LLVMFuzzerTestOneInput:
   24|  10.5k|{
   25|  10.5k|    constexpr auto var_count = 8;
   26|  10.5k|    constexpr auto bits      = 3;
   27|       |
   28|  10.5k|    using vector_t = immer::flex_vector<int, bo_memory, bits, bits>;
   29|  10.5k|    using size_t   = std::uint8_t;
   30|       |
   31|  10.5k|    auto vars = std::array<vector_t, var_count>{};
   32|       |
   33|  10.5k|    auto is_valid_var = [&](auto idx) { return idx >= 0 && idx < var_count; };
   34|  10.5k|    auto is_valid_var_neq = [](auto other) {
   35|  10.5k|        return [=](auto idx) {
   36|  10.5k|            return idx >= 0 && idx < var_count && idx != other;
   37|  10.5k|        };
   38|  10.5k|    };
   39|  10.5k|    auto is_valid_index = [](auto& v) {
   40|  10.5k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
   41|  10.5k|    };
   42|  10.5k|    auto is_valid_size = [](auto& v) {
   43|  10.5k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
   44|  10.5k|    };
   45|  10.5k|    auto can_concat = [](auto&& v1, auto&& v2) {
   46|  10.5k|        return v1.size() + v2.size() < vector_t::max_size();
   47|  10.5k|    };
   48|  10.5k|    auto can_compare = [](auto&& v) {
   49|       |        // avoid comparing vectors that are too big, and hence, slow to compare
   50|  10.5k|        return v.size() < (1 << 15);
   51|  10.5k|    };
   52|  10.5k|    return fuzzer_input{data, size}.run([&](auto& in) {
   53|  10.5k|        enum ops
   54|  10.5k|        {
   55|  10.5k|            op_push_back,
   56|  10.5k|            op_update,
   57|  10.5k|            op_take,
   58|  10.5k|            op_drop,
   59|  10.5k|            op_concat,
   60|  10.5k|            op_push_back_move,
   61|  10.5k|            op_update_move,
   62|  10.5k|            op_take_move,
   63|  10.5k|            op_drop_move,
   64|  10.5k|            op_concat_move_l,
   65|  10.5k|            op_concat_move_r,
   66|  10.5k|            op_concat_move_lr,
   67|  10.5k|            op_insert,
   68|  10.5k|            op_erase,
   69|  10.5k|            op_compare,
   70|  10.5k|        };
   71|  10.5k|        auto src = read<char>(in, is_valid_var);
   72|  10.5k|        auto dst = read<char>(in, is_valid_var);
   73|  10.5k|        switch (read<char>(in)) {
   74|  10.5k|        case op_push_back: {
   75|  10.5k|            vars[dst] = vars[src].push_back(42);
   76|  10.5k|            break;
   77|  10.5k|        }
   78|  10.5k|        case op_update: {
   79|  10.5k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
   80|  10.5k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
   81|  10.5k|            break;
   82|  10.5k|        }
   83|  10.5k|        case op_take: {
   84|  10.5k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   85|  10.5k|            vars[dst] = vars[src].take(idx);
   86|  10.5k|            break;
   87|  10.5k|        }
   88|  10.5k|        case op_drop: {
   89|  10.5k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   90|  10.5k|            vars[dst] = vars[src].drop(idx);
   91|  10.5k|            break;
   92|  10.5k|        }
   93|  10.5k|        case op_concat: {
   94|  10.5k|            auto src2 = read<char>(in, is_valid_var);
   95|  10.5k|            if (can_concat(vars[src], vars[src2]))
   96|  10.5k|                vars[dst] = vars[src] + vars[src2];
   97|  10.5k|            break;
   98|  10.5k|        }
   99|  10.5k|        case op_push_back_move: {
  100|  10.5k|            vars[dst] = std::move(vars[src]).push_back(21);
  101|  10.5k|            break;
  102|  10.5k|        }
  103|  10.5k|        case op_update_move: {
  104|  10.5k|            auto idx = read<size_t>(in, is_valid_index(vars[src]));
  105|  10.5k|            vars[dst] =
  106|  10.5k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
  107|  10.5k|            break;
  108|  10.5k|        }
  109|  10.5k|        case op_take_move: {
  110|  10.5k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  111|  10.5k|            vars[dst] = std::move(vars[src]).take(idx);
  112|  10.5k|            break;
  113|  10.5k|        }
  114|  10.5k|        case op_drop_move: {
  115|  10.5k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  116|  10.5k|            vars[dst] = std::move(vars[src]).drop(idx);
  117|  10.5k|            break;
  118|  10.5k|        }
  119|  10.5k|        case op_concat_move_l: {
  120|  10.5k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  121|  10.5k|            if (can_concat(vars[src], vars[src2]))
  122|  10.5k|                vars[dst] = std::move(vars[src]) + vars[src2];
  123|  10.5k|            break;
  124|  10.5k|        }
  125|  10.5k|        case op_concat_move_r: {
  126|  10.5k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  127|  10.5k|            if (can_concat(vars[src], vars[src2]))
  128|  10.5k|                vars[dst] = vars[src] + std::move(vars[src2]);
  129|  10.5k|            break;
  130|  10.5k|        }
  131|  10.5k|        case op_concat_move_lr: {
  132|  10.5k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  133|  10.5k|            if (can_concat(vars[src], vars[src2]))
  134|  10.5k|                vars[dst] = std::move(vars[src]) + std::move(vars[src2]);
  135|  10.5k|            break;
  136|  10.5k|        }
  137|  10.5k|        case op_compare: {
  138|  10.5k|            using std::swap;
  139|  10.5k|            if (can_compare(vars[src]) && vars[src] == vars[dst])
  140|  10.5k|                swap(vars[src], vars[dst]);
  141|  10.5k|            break;
  142|  10.5k|        }
  143|  10.5k|        case op_erase: {
  144|  10.5k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
  145|  10.5k|            vars[dst] = vars[src].erase(idx);
  146|  10.5k|            break;
  147|  10.5k|        }
  148|  10.5k|        case op_insert: {
  149|  10.5k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  150|  10.5k|            vars[dst] = vars[src].insert(idx, immer::box<int>{42});
  151|  10.5k|            break;
  152|  10.5k|        }
  153|  10.5k|        default:
  154|  10.5k|            break;
  155|  10.5k|        };
  156|  10.5k|        return true;
  157|  10.5k|    });
  158|  10.5k|}
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_:
   52|  2.53M|    return fuzzer_input{data, size}.run([&](auto& in) {
   53|  2.53M|        enum ops
   54|  2.53M|        {
   55|  2.53M|            op_push_back,
   56|  2.53M|            op_update,
   57|  2.53M|            op_take,
   58|  2.53M|            op_drop,
   59|  2.53M|            op_concat,
   60|  2.53M|            op_push_back_move,
   61|  2.53M|            op_update_move,
   62|  2.53M|            op_take_move,
   63|  2.53M|            op_drop_move,
   64|  2.53M|            op_concat_move_l,
   65|  2.53M|            op_concat_move_r,
   66|  2.53M|            op_concat_move_lr,
   67|  2.53M|            op_insert,
   68|  2.53M|            op_erase,
   69|  2.53M|            op_compare,
   70|  2.53M|        };
   71|  2.53M|        auto src = read<char>(in, is_valid_var);
   72|  2.53M|        auto dst = read<char>(in, is_valid_var);
   73|  2.53M|        switch (read<char>(in)) {
   74|   347k|        case op_push_back: {
  ------------------
  |  Branch (74:9): [True: 347k, False: 2.18M]
  ------------------
   75|   347k|            vars[dst] = vars[src].push_back(42);
   76|   347k|            break;
   77|      0|        }
   78|   171k|        case op_update: {
  ------------------
  |  Branch (78:9): [True: 171k, False: 2.36M]
  ------------------
   79|   171k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
   80|   171k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
   81|   171k|            break;
   82|      0|        }
   83|  1.89k|        case op_take: {
  ------------------
  |  Branch (83:9): [True: 1.89k, False: 2.53M]
  ------------------
   84|  1.89k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   85|  1.89k|            vars[dst] = vars[src].take(idx);
   86|  1.89k|            break;
   87|      0|        }
   88|  16.9k|        case op_drop: {
  ------------------
  |  Branch (88:9): [True: 16.9k, False: 2.51M]
  ------------------
   89|  16.9k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   90|  16.9k|            vars[dst] = vars[src].drop(idx);
   91|  16.9k|            break;
   92|      0|        }
   93|   651k|        case op_concat: {
  ------------------
  |  Branch (93:9): [True: 651k, False: 1.88M]
  ------------------
   94|   651k|            auto src2 = read<char>(in, is_valid_var);
   95|   651k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (95:17): [True: 638k, False: 12.4k]
  ------------------
   96|   638k|                vars[dst] = vars[src] + vars[src2];
   97|   651k|            break;
   98|      0|        }
   99|  24.1k|        case op_push_back_move: {
  ------------------
  |  Branch (99:9): [True: 24.1k, False: 2.51M]
  ------------------
  100|  24.1k|            vars[dst] = std::move(vars[src]).push_back(21);
  101|  24.1k|            break;
  102|      0|        }
  103|  32.2k|        case op_update_move: {
  ------------------
  |  Branch (103:9): [True: 32.2k, False: 2.50M]
  ------------------
  104|  32.2k|            auto idx = read<size_t>(in, is_valid_index(vars[src]));
  105|  32.2k|            vars[dst] =
  106|  32.2k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
  107|  32.2k|            break;
  108|      0|        }
  109|  31.4k|        case op_take_move: {
  ------------------
  |  Branch (109:9): [True: 31.4k, False: 2.50M]
  ------------------
  110|  31.4k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  111|  31.4k|            vars[dst] = std::move(vars[src]).take(idx);
  112|  31.4k|            break;
  113|      0|        }
  114|  67.6k|        case op_drop_move: {
  ------------------
  |  Branch (114:9): [True: 67.6k, False: 2.46M]
  ------------------
  115|  67.6k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  116|  67.6k|            vars[dst] = std::move(vars[src]).drop(idx);
  117|  67.6k|            break;
  118|      0|        }
  119|   184k|        case op_concat_move_l: {
  ------------------
  |  Branch (119:9): [True: 184k, False: 2.35M]
  ------------------
  120|   184k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  121|   184k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (121:17): [True: 181k, False: 2.13k]
  ------------------
  122|   181k|                vars[dst] = std::move(vars[src]) + vars[src2];
  123|   184k|            break;
  124|      0|        }
  125|  4.03k|        case op_concat_move_r: {
  ------------------
  |  Branch (125:9): [True: 4.03k, False: 2.53M]
  ------------------
  126|  4.03k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  127|  4.03k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (127:17): [True: 3.65k, False: 375]
  ------------------
  128|  3.65k|                vars[dst] = vars[src] + std::move(vars[src2]);
  129|  4.03k|            break;
  130|      0|        }
  131|   852k|        case op_concat_move_lr: {
  ------------------
  |  Branch (131:9): [True: 852k, False: 1.68M]
  ------------------
  132|   852k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  133|   852k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (133:17): [True: 845k, False: 7.31k]
  ------------------
  134|   845k|                vars[dst] = std::move(vars[src]) + std::move(vars[src2]);
  135|   852k|            break;
  136|      0|        }
  137|  92.7k|        case op_compare: {
  ------------------
  |  Branch (137:9): [True: 92.7k, False: 2.44M]
  ------------------
  138|  92.7k|            using std::swap;
  139|  92.7k|            if (can_compare(vars[src]) && vars[src] == vars[dst])
  ------------------
  |  Branch (139:17): [True: 75.5k, False: 17.2k]
  |  Branch (139:43): [True: 5.59k, False: 69.9k]
  ------------------
  140|  5.59k|                swap(vars[src], vars[dst]);
  141|  92.7k|            break;
  142|      0|        }
  143|  5.95k|        case op_erase: {
  ------------------
  |  Branch (143:9): [True: 5.95k, False: 2.53M]
  ------------------
  144|  5.95k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
  145|  5.95k|            vars[dst] = vars[src].erase(idx);
  146|  5.95k|            break;
  147|      0|        }
  148|  15.7k|        case op_insert: {
  ------------------
  |  Branch (148:9): [True: 15.7k, False: 2.52M]
  ------------------
  149|  15.7k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  150|  15.7k|            vars[dst] = vars[src].insert(idx, immer::box<int>{42});
  151|  15.7k|            break;
  152|      0|        }
  153|  26.2k|        default:
  ------------------
  |  Branch (153:9): [True: 26.2k, False: 2.51M]
  ------------------
  154|  26.2k|            break;
  155|  2.53M|        };
  156|  2.52M|        return true;
  157|  2.53M|    });
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_0clIcEEDaT_:
   33|  6.09M|    auto is_valid_var = [&](auto idx) { return idx >= 0 && idx < var_count; };
  ------------------
  |  Branch (33:48): [True: 5.89M, False: 199k]
  |  Branch (33:60): [True: 5.70M, False: 191k]
  ------------------
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_ENKUlSC_E_clIhEEDaSC_:
   40|   246k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
  ------------------
  |  Branch (40:39): [True: 246k, False: 0]
  |  Branch (40:51): [True: 209k, False: 36.7k]
  ------------------
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_:
   39|   210k|    auto is_valid_index = [](auto& v) {
   40|   210k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
   41|   210k|    };
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_ENKUlS2_E_clIiEEDaS2_:
   80|   171k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_ENKUlSC_E_clIhEEDaSC_:
   43|   146k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
  ------------------
  |  Branch (43:39): [True: 146k, False: 0]
  |  Branch (43:51): [True: 133k, False: 13.4k]
  ------------------
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_:
   42|   133k|    auto is_valid_size = [](auto& v) {
   43|   133k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
   44|   133k|    };
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_4clIRN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEESC_EEDaOT_OT0_:
   45|  1.69M|    auto can_concat = [](auto&& v1, auto&& v2) {
   46|  1.69M|        return v1.size() + v2.size() < vector_t::max_size();
   47|  1.69M|    };
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_ENKUlS2_E0_clIiEEDaS2_:
  106|  32.2k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_ENKUlS1_E_clIcEEDaS1_:
   35|  1.09M|        return [=](auto idx) {
   36|  1.09M|            return idx >= 0 && idx < var_count && idx != other;
  ------------------
  |  Branch (36:20): [True: 1.08M, False: 10.3k]
  |  Branch (36:32): [True: 1.06M, False: 17.0k]
  |  Branch (36:51): [True: 1.04M, False: 24.9k]
  ------------------
   37|  1.09M|        };
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_:
   34|  1.04M|    auto is_valid_var_neq = [](auto other) {
   35|  1.04M|        return [=](auto idx) {
   36|  1.04M|            return idx >= 0 && idx < var_count && idx != other;
   37|  1.04M|        };
   38|  1.04M|    };
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_5clIRN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaOT_:
   48|  92.7k|    auto can_compare = [](auto&& v) {
   49|       |        // avoid comparing vectors that are too big, and hence, slow to compare
   50|  92.7k|        return v.size() < (1 << 15);
   51|  92.7k|    };

flex-vector-bo.cpp:_ZN12fuzzer_input3runIZ22LLVMFuzzerTestOneInputE3$_6EEiT_:
   50|  10.5k|    {
   51|  10.5k|        if (size_ > fuzzer_input_max_size)
  ------------------
  |  Branch (51:13): [True: 6, False: 10.5k]
  ------------------
   52|      6|            return 0;
   53|  10.5k|        try {
   54|  2.53M|            while (step(*this))
  ------------------
  |  Branch (54:20): [True: 2.52M, False: 10.5k]
  ------------------
   55|  2.52M|                continue;
   56|  10.5k|        } catch (const no_more_input&) {
   57|  10.5k|        };
   58|  10.5k|        return 0;
   59|  10.5k|    }
flex-vector-bo.cpp:_Z4readIcZ22LLVMFuzzerTestOneInputE3$_0ET_R12fuzzer_inputT0_:
   70|  5.71M|{
   71|  5.71M|    auto x = read<T>(fz);
   72|  6.10M|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 390k, False: 5.71M]
  ------------------
   73|   390k|        x = read<T>(fz);
   74|  5.71M|    return x;
   75|  5.71M|}
_Z4readIcERKT_R12fuzzer_input:
   64|  9.72M|{
   65|  9.72M|    return *reinterpret_cast<const T*>(fz.next(sizeof(T), alignof(T)));
   66|  9.72M|}
_ZN12fuzzer_input4nextEmm:
   40|  10.1M|    {
   41|  10.1M|        auto& p = const_cast<void*&>(reinterpret_cast<const void*&>(data_));
   42|  10.1M|        auto r  = std::align(align, size, p, size_);
   43|  10.1M|        if (r == nullptr)
  ------------------
  |  Branch (43:13): [True: 10.5k, False: 10.1M]
  ------------------
   44|  10.5k|            throw no_more_input{};
   45|  10.1M|        return next(size);
   46|  10.1M|    }
_ZN12fuzzer_input4nextEm:
   30|  10.1M|    {
   31|  10.1M|        if (size_ < size)
  ------------------
  |  Branch (31:13): [True: 0, False: 10.1M]
  ------------------
   32|      0|            throw no_more_input{};
   33|  10.1M|        auto r = data_;
   34|  10.1M|        data_ += size;
   35|  10.1M|        size_ -= size;
   36|  10.1M|        return r;
   37|  10.1M|    }
flex-vector-bo.cpp:_Z4readIhZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS2_13memory_policyINS2_11heap_policyINS2_8cpp_heapEEENS2_22unsafe_refcount_policyENS2_14no_lock_policyENS2_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_EUlSD_E_ESD_R12fuzzer_inputT0_:
   70|   210k|{
   71|   210k|    auto x = read<T>(fz);
   72|   246k|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 36.7k, False: 210k]
  ------------------
   73|  36.7k|        x = read<T>(fz);
   74|   210k|    return x;
   75|   210k|}
_Z4readIhERKT_R12fuzzer_input:
   64|   393k|{
   65|   393k|    return *reinterpret_cast<const T*>(fz.next(sizeof(T), alignof(T)));
   66|   393k|}
flex-vector-bo.cpp:_Z4readIhZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS2_13memory_policyINS2_11heap_policyINS2_8cpp_heapEEENS2_22unsafe_refcount_policyENS2_14no_lock_policyENS2_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_EUlSD_E_ESD_R12fuzzer_inputT0_:
   70|   133k|{
   71|   133k|    auto x = read<T>(fz);
   72|   147k|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 13.4k, False: 133k]
  ------------------
   73|  13.4k|        x = read<T>(fz);
   74|   133k|    return x;
   75|   133k|}
flex-vector-bo.cpp:_Z4readIcZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_EUlS2_E_ES2_R12fuzzer_inputT0_:
   70|  1.04M|{
   71|  1.04M|    auto x = read<T>(fz);
   72|  1.09M|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 52.2k, False: 1.04M]
  ------------------
   73|  52.2k|        x = read<T>(fz);
   74|  1.04M|    return x;
   75|  1.04M|}

_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEEC2IiviEEOT_:
   85|  15.6k|        : impl_{detail::make<heap, holder>(std::forward<Arg>(arg))}
   86|  15.6k|    {
   87|  15.6k|    }
_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE6holderC2IJiEEEDpOT_:
   47|  15.6k|            : value(std::forward<Args>(args)...)
   48|  15.6k|        {
   49|  15.6k|        }
_ZNK5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEEcvRKiEv:
  142|  15.6k|    operator const T&() const { return get(); }
_ZNK5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE3getEv:
  139|  15.6k|    IMMER_NODISCARD const T& get() const { return impl_->value; }
_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEED2Ev:
  131|  15.6k|    {
  132|  15.6k|        if (impl_ && impl_->dec()) {
  ------------------
  |  Branch (132:13): [True: 15.6k, False: 0]
  |  Branch (132:22): [True: 15.6k, False: 0]
  ------------------
  133|  15.6k|            impl_->~holder();
  134|  15.6k|            heap::deallocate(sizeof(holder), impl_);
  135|  15.6k|        }
  136|  15.6k|    }

_ZN5immer6detail3csl3getINS_22unsafe_refcount_policyEEEDcRKNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEES3_NS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS3_NS1_7inheritINSC_5applyISA_E4type5owneeEvE4typeEE4typeEE4typeE:
  170|   431M|        {
  171|   431M|            return x.get_(type_t<U>{});
  172|   431M|        }
_ZNK5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_IS9_EEDcNS1_6type_tIT_EE:
  184|   431M|        {
  185|   431M|            return n.get_(t);
  186|   431M|        }
_ZNK5immer6detail3csl6memberINS_22unsafe_refcount_policyENS1_7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4typeEE4type4get_ENS1_6type_tIS3_EE:
  128|   431M|        const T& get_(type_t<T>) const { return d; }
_ZN5immer6detail3csl3getINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEEEDcRNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyIS7_NS_22unsafe_refcount_policyENS_14no_lock_policyES3_Lb1ELb1EEELj3ELj3EE11impl_data_tENS1_6memberISF_NS1_7inheritISA_vE4typeEE4typeEE4typeE:
  165|  34.7M|        {
  166|  34.7M|            return x.get_(type_t<U>{});
  167|  34.7M|        }
_ZN5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_ISK_EEDcNS1_6type_tIT_EE:
  179|  34.7M|        {
  180|  34.7M|            return n.get_(t);
  181|  34.7M|        }
_ZN5immer6detail3csl7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4type4get_ENS1_6type_tISA_EE:
  102|  34.7M|        T& get_(type_t<T>) { return *this; }
_ZN5immer6detail3csl3getINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEEEDcRKNS1_10member_twoINS0_4rbts4nodeIiNS_13memory_policyIS7_NS_22unsafe_refcount_policyENS_14no_lock_policyES3_Lb1ELb1EEELj3ELj3EE11impl_data_tENS1_6memberISF_NS1_7inheritISA_vE4typeEE4typeEE4typeE:
  170|   287k|        {
  171|   287k|            return x.get_(type_t<U>{});
  172|   287k|        }
_ZNK5immer6detail3csl10member_twoINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11impl_data_tENS1_6memberIS9_NS1_7inheritINSB_5applyIS8_E4type5owneeEvE4typeEE4typeEE4type4get_ISK_EEDcNS1_6type_tIT_EE:
  184|   287k|        {
  185|   287k|            return n.get_(t);
  186|   287k|        }
_ZNK5immer6detail3csl7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4type4get_ENS1_6type_tISA_EE:
  103|   287k|        const T& get_(type_t<T>) const { return *this; }

_ZNK5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EdeEv:
   99|  9.63M|    ReferenceT operator*() const { return access_t::dereference(derived()); }
_ZN5immer6detail20iterator_core_access11dereferenceIRKNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDcOT_:
   22|  9.63M|    {
   23|  9.63M|        return x.dereference();
   24|  9.63M|    }
_ZNK5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_E7derivedEv:
   86|  9.72M|    {
   87|  9.72M|        static_assert(std::is_base_of<iterator_facade, DerivedT>::value,
   88|  9.72M|                      "must pass a derived thing");
   89|  9.72M|        return *static_cast<const DerivedT*>(this);
   90|  9.72M|    }
_ZN5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EpLEl:
  151|   180k|    {
  152|   180k|        access_t::advance(derived(), n);
  153|   180k|        return derived();
  154|   180k|    }
_ZN5immer6detail20iterator_core_access7advanceIRNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEElEEDcOT_T0_:
   46|   180k|    {
   47|   180k|        return x.advance(d);
   48|   180k|    }
_ZN5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_E7derivedEv:
   92|  17.2M|    {
   93|  17.2M|        static_assert(std::is_base_of<iterator_facade, DerivedT>::value,
   94|  17.2M|                      "must pass a derived thing");
   95|  17.2M|        return *static_cast<DerivedT*>(this);
   96|  17.2M|    }
_ZN5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EppEv:
  119|  8.42M|    {
  120|  8.42M|        access_t::increment(derived());
  121|  8.42M|        return derived();
  122|  8.42M|    }
_ZN5immer6detail20iterator_core_access9incrementIRNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDcOT_:
   28|  8.42M|    {
   29|  8.42M|        return x.increment();
   30|  8.42M|    }
_ZNK5immer6detail15iterator_facadeINS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENSt3__126random_access_iterator_tagEiRKilPSF_EplISI_TnNSD_9enable_ifIXsrT_16is_random_accessEbE4typeELb1EEESC_l:
  164|  95.3k|    {
  165|  95.3k|        auto tmp = derived();
  166|  95.3k|        return tmp += n;
  167|  95.3k|    }

_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE17make_inner_n_intoEPvmj:
  213|  1.32M|    {
  214|  1.32M|        assert(n <= branches<B>);
  ------------------
  |  Branch (214:9): [True: 1.32M, False: 0]
  ------------------
  215|  1.32M|        assert(size >= sizeof_inner_n(n));
  ------------------
  |  Branch (215:9): [True: 1.32M, False: 0]
  ------------------
  216|  1.32M|        auto p                       = new (buffer) node_t;
  217|  1.32M|        p->impl.d.data.inner.relaxed = nullptr;
  218|  1.32M|#if IMMER_TAGGED_NODE
  219|  1.32M|        p->impl.d.kind = node_t::kind_t::inner;
  220|  1.32M|#endif
  221|  1.32M|        return p;
  222|  1.32M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14sizeof_inner_nEj:
  145|  36.3M|    {
  146|  36.3M|        return keep_headroom ? max_sizeof_inner : sizeof_packed_inner_n(n);
  ------------------
  |  Branch (146:16): [True: 36.3M, Folded]
  ------------------
  147|  36.3M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE3incEv:
  956|   112M|    {
  957|   112M|        refs(this).inc();
  958|   112M|        return this;
  959|   112M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4refsEPKSB_:
  203|   431M|    {
  204|   431M|        return auto_const_cast(get<refs_t>(x->impl));
  205|   431M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE16make_leaf_n_intoEPvmj:
  330|  1.19M|    {
  331|  1.19M|        assert(n <= branches<BL>);
  ------------------
  |  Branch (331:9): [True: 1.19M, False: 0]
  ------------------
  332|  1.19M|        assert(size >= sizeof_leaf_n(n));
  ------------------
  |  Branch (332:9): [True: 1.19M, False: 0]
  ------------------
  333|  1.19M|        auto p = new (buffer) node_t;
  334|  1.19M|#if IMMER_TAGGED_NODE
  335|  1.19M|        p->impl.d.kind = node_t::kind_t::leaf;
  336|  1.19M|#endif
  337|  1.19M|        return p;
  338|  1.19M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13sizeof_leaf_nEj:
  160|  5.17M|    {
  161|  5.17M|        return keep_headroom ? max_sizeof_leaf : sizeof_packed_leaf_n(n);
  ------------------
  |  Branch (161:16): [True: 5.17M, Folded]
  ------------------
  162|  5.17M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7relaxedEv:
  172|   618M|    {
  173|   618M|        IMMER_ASSERT_TAGGED(kind() == kind_t::inner);
  ------------------
  |  |   68|   618M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (173:9): [True: 618M, False: 0]
  ------------------
  174|   618M|        return impl.d.data.inner.relaxed;
  175|   618M|    }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4kindEv:
  168|   943M|    kind_t kind() const { return impl.d.kind; }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE3decEv:
  967|   231M|    bool dec() const { return refs(this).dec(); }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5innerEv:
  184|   269M|    {
  185|   269M|        IMMER_ASSERT_TAGGED(kind() == kind_t::inner);
  ------------------
  |  |   68|   269M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (185:9): [True: 269M, False: 0]
  ------------------
  186|   269M|        return impl.d.data.inner.get_storage_ptr();
  187|   269M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14delete_inner_rEPSB_j:
  832|  31.1M|    {
  833|  31.1M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::inner);
  ------------------
  |  |   68|  31.1M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (833:9): [True: 31.1M, False: 0]
  ------------------
  834|  31.1M|        auto r = p->relaxed();
  835|  31.1M|        assert(r);
  ------------------
  |  Branch (835:9): [True: 31.1M, False: 0]
  ------------------
  836|  31.1M|        static_if<!embed_relaxed>([&](auto) {
  837|  31.1M|            if (node_t::refs(r).dec())
  838|  31.1M|                heap::deallocate(node_t::ownee(r).owned()
  839|  31.1M|                                     ? node_t::max_sizeof_relaxed
  840|  31.1M|                                     : node_t::sizeof_relaxed_n(n),
  841|  31.1M|                                 r);
  842|  31.1M|        });
  843|  31.1M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_inner_r
  ------------------
  |  Branch (843:26): [True: 0, False: 31.1M]
  ------------------
  844|  31.1M|                                          : node_t::sizeof_inner_r_n(n),
  845|  31.1M|                         p);
  846|  31.1M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5owneeEPSB_:
  210|  34.7M|    static ownee_t& ownee(node_t* x) { return get<ownee_t>(x->impl); }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE16sizeof_inner_r_nEj:
  150|  62.1M|    {
  151|  62.1M|        return keep_headroom ? max_sizeof_inner_r : sizeof_packed_inner_r_n(n);
  ------------------
  |  Branch (151:16): [True: 62.1M, Folded]
  ------------------
  152|  62.1M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11delete_leafEPSB_j:
  861|  1.59M|    {
  862|  1.59M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::leaf);
  ------------------
  |  |   68|  1.59M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (862:9): [True: 1.59M, False: 0]
  ------------------
  863|  1.59M|        detail::destroy_n(p->leaf(), n);
  864|  1.59M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_leaf
  ------------------
  |  Branch (864:26): [True: 0, False: 1.59M]
  ------------------
  865|  1.59M|                                          : node_t::sizeof_leaf_n(n),
  866|  1.59M|                         p);
  867|  1.59M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4leafEv:
  190|  11.3M|    {
  191|  11.3M|        IMMER_ASSERT_TAGGED(kind() == kind_t::leaf);
  ------------------
  |  |   68|  11.3M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (191:9): [True: 11.3M, False: 0]
  ------------------
  192|  11.3M|        return impl.d.data.leaf.get_storage_ptr();
  193|  11.3M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12delete_innerEPSB_j:
  808|  1.40M|    {
  809|  1.40M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::inner);
  ------------------
  |  |   68|  1.40M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (809:9): [True: 1.40M, False: 0]
  ------------------
  810|  1.40M|        assert(!p->relaxed());
  ------------------
  |  Branch (810:9): [True: 1.40M, False: 0]
  ------------------
  811|  1.40M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_inner
  ------------------
  |  Branch (811:26): [True: 0, False: 1.40M]
  ------------------
  812|  1.40M|                                          : node_t::sizeof_inner_n(n),
  813|  1.40M|                         p);
  814|  1.40M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE17copy_leaf_emplaceIiEEPSB_SD_jOT_:
  794|   295k|    {
  795|   295k|        auto dst = copy_leaf_n(n + 1, src, n);
  796|   295k|        IMMER_TRY {
  ------------------
  |  |   49|   295k|#define IMMER_TRY try
  ------------------
  797|   295k|            new (dst->leaf() + n) T(std::forward<U>(x));
  798|   295k|        }
  799|   295k|        IMMER_CATCH (...) {
  800|      0|            detail::destroy_n(dst->leaf(), n);
  801|      0|            heap::deallocate(node_t::sizeof_leaf_n(n + 1), dst);
  802|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  803|      0|        }
  804|   295k|        return dst;
  805|   295k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11copy_leaf_nEjPSB_j:
  696|   295k|    {
  697|   295k|        assert(allocn >= n);
  ------------------
  |  Branch (697:9): [True: 295k, False: 0]
  ------------------
  698|   295k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   295k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (698:9): [True: 295k, False: 0]
  ------------------
  699|   295k|        auto dst = make_leaf_n(allocn);
  700|   295k|        IMMER_TRY {
  ------------------
  |  |   49|   295k|#define IMMER_TRY try
  ------------------
  701|   295k|            detail::uninitialized_copy(
  702|   295k|                src->leaf(), src->leaf() + n, dst->leaf());
  703|   295k|        }
  704|   295k|        IMMER_CATCH (...) {
  705|      0|            heap::deallocate(node_t::sizeof_leaf_n(allocn), dst);
  706|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  707|      0|        }
  708|   295k|        return dst;
  709|   295k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_leaf_nEj:
  341|  1.19M|    {
  342|  1.19M|        assert(n <= branches<BL>);
  ------------------
  |  Branch (342:9): [True: 1.19M, False: 0]
  ------------------
  343|  1.19M|        auto m = heap::allocate(sizeof_leaf_n(n));
  344|  1.19M|        return make_leaf_n_into(m, sizeof_leaf_n(n), n);
  345|  1.19M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_leaf_nIiEEPSB_jOT_:
  470|  52.2k|    {
  471|  52.2k|        assert(n >= 1);
  ------------------
  |  Branch (471:9): [True: 52.2k, False: 0]
  ------------------
  472|  52.2k|        auto p = make_leaf_n(n);
  473|  52.2k|        IMMER_TRY {
  ------------------
  |  |   49|  52.2k|#define IMMER_TRY try
  ------------------
  474|  52.2k|            new (p->leaf()) T(std::forward<U>(x));
  475|  52.2k|        }
  476|  52.2k|        IMMER_CATCH (...) {
  477|      0|            heap::deallocate(node_t::sizeof_leaf_n(n), p);
  478|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  479|      0|        }
  480|  52.2k|        return p;
  481|  52.2k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13do_copy_innerEPSB_SC_j:
  558|  1.20M|    {
  559|  1.20M|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|  1.20M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (559:9): [True: 1.20M, False: 0]
  ------------------
  560|  1.20M|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  1.20M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (560:9): [True: 1.20M, False: 0]
  ------------------
  561|  1.20M|        auto p = src->inner();
  562|  1.20M|        inc_nodes(p, n);
  563|  1.20M|        std::copy(p, p + n, dst->inner());
  564|  1.20M|        return dst;
  565|  1.20M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9inc_nodesEPPSB_j:
  970|  23.7M|    {
  971|   108M|        for (auto i = p, e = i + n; i != e; ++i)
  ------------------
  |  Branch (971:37): [True: 85.0M, False: 23.7M]
  ------------------
  972|  85.0M|            refs(*i).inc();
  973|  23.7M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14copy_inner_r_nEjPSB_j:
  588|   193k|    {
  589|   193k|        assert(allocn >= n);
  ------------------
  |  Branch (589:9): [True: 193k, False: 0]
  ------------------
  590|   193k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   193k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (590:9): [True: 193k, False: 0]
  ------------------
  591|   193k|        auto dst = make_inner_r_n(allocn);
  592|   193k|        return do_copy_inner_r(dst, src, n);
  593|   193k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15do_copy_inner_rEPSB_SC_j:
  610|   252k|    {
  611|   252k|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|   252k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (611:9): [True: 252k, False: 0]
  ------------------
  612|   252k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   252k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (612:9): [True: 252k, False: 0]
  ------------------
  613|   252k|        auto src_r = src->relaxed();
  614|   252k|        auto dst_r = dst->relaxed();
  615|   252k|        inc_nodes(src->inner(), n);
  616|   252k|        std::copy(src->inner(), src->inner() + n, dst->inner());
  617|   252k|        std::copy(src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  618|   252k|        dst_r->d.count = n;
  619|   252k|        return dst;
  620|   252k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14make_inner_r_nEj:
  243|  30.9M|    {
  244|  30.9M|        assert(n <= branches<B>);
  ------------------
  |  Branch (244:9): [True: 30.9M, False: 0]
  ------------------
  245|  30.9M|        auto mp = heap::allocate(sizeof_inner_r_n(n));
  246|  30.9M|        auto mr = static_cast<void*>(nullptr);
  247|  30.9M|        if (embed_relaxed) {
  ------------------
  |  Branch (247:13): [True: 30.9M, Folded]
  ------------------
  248|  30.9M|            mr = reinterpret_cast<unsigned char*>(mp) + sizeof_inner_n(n);
  249|  30.9M|        } else {
  250|      0|            IMMER_TRY {
  ------------------
  |  |   49|      0|#define IMMER_TRY try
  ------------------
  251|      0|                mr = heap::allocate(sizeof_relaxed_n(n), norefs_tag{});
  252|      0|            }
  253|      0|            IMMER_CATCH (...) {
  254|      0|                heap::deallocate(sizeof_inner_r_n(n), mp);
  255|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  256|      0|            }
  257|      0|        }
  258|  30.9M|        auto p                       = new (mp) node_t;
  259|  30.9M|        auto r                       = new (mr) relaxed_t;
  260|  30.9M|        r->d.count                   = 0;
  261|  30.9M|        p->impl.d.data.inner.relaxed = r;
  262|  30.9M|#if IMMER_TAGGED_NODE
  263|  30.9M|        p->impl.d.kind = node_t::kind_t::inner;
  264|  30.9M|#endif
  265|  30.9M|        return p;
  266|  30.9M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9make_pathEjPSB_:
  498|   442k|    {
  499|   442k|        IMMER_ASSERT_TAGGED(node->kind() == kind_t::leaf);
  ------------------
  |  |   68|   442k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (499:9): [True: 442k, False: 0]
  ------------------
  500|   442k|        if (shift == endshift<B, BL>)
  ------------------
  |  Branch (500:13): [True: 368k, False: 74.1k]
  ------------------
  501|   368k|            return node;
  502|  74.1k|        else {
  503|  74.1k|            auto n = node_t::make_inner_n(1);
  504|  74.1k|            IMMER_TRY {
  ------------------
  |  |   49|  74.1k|#define IMMER_TRY try
  ------------------
  505|  74.1k|                n->inner()[0] = make_path(shift - B, node);
  506|  74.1k|            }
  507|  74.1k|            IMMER_CATCH (...) {
  508|      0|                heap::deallocate(node_t::sizeof_inner_n(1), n);
  509|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  510|      0|            }
  511|  74.1k|            return n;
  512|  74.1k|        }
  513|   442k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12make_inner_nEj:
  224|  1.32M|    {
  225|  1.32M|        assert(n <= branches<B>);
  ------------------
  |  Branch (225:9): [True: 1.32M, False: 0]
  ------------------
  226|  1.32M|        auto m = heap::allocate(sizeof_inner_n(n));
  227|  1.32M|        return make_inner_n_into(m, sizeof_inner_n(n), n);
  228|  1.32M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9copy_leafEPSB_j:
  666|   184k|    {
  667|   184k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   184k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (667:9): [True: 184k, False: 0]
  ------------------
  668|   184k|        auto dst = make_leaf_n(n);
  669|   184k|        IMMER_TRY {
  ------------------
  |  |   49|   184k|#define IMMER_TRY try
  ------------------
  670|   184k|            detail::uninitialized_copy(
  671|   184k|                src->leaf(), src->leaf() + n, dst->leaf());
  672|   184k|        }
  673|   184k|        IMMER_CATCH (...) {
  674|      0|            heap::deallocate(node_t::sizeof_leaf_n(n), dst);
  675|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  676|      0|        }
  677|   184k|        return dst;
  678|   184k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15make_inner_sr_nEjPNS0_3csl6memberINSB_14relaxed_data_tEvE4typeE:
  269|   234k|    {
  270|   234k|        return static_if<embed_relaxed, node_t*>(
  271|   234k|            [&](auto) { return node_t::make_inner_r_n(n); },
  272|   234k|            [&](auto) {
  273|   234k|                auto p =
  274|   234k|                    new (heap::allocate(node_t::sizeof_inner_r_n(n))) node_t;
  275|   234k|                assert(r->d.count >= n);
  276|   234k|                node_t::refs(r).inc();
  277|   234k|                p->impl.d.data.inner.relaxed = r;
  278|   234k|#if IMMER_TAGGED_NODE
  279|   234k|                p->impl.d.kind = node_t::kind_t::inner;
  280|   234k|#endif
  281|   234k|                return p;
  282|   234k|            });
  283|   234k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15make_inner_sr_nEjPNS0_3csl6memberINSB_14relaxed_data_tEvE4typeEENKUlT_E_clINS0_7empty_tEEEDaSI_:
  271|   234k|            [&](auto) { return node_t::make_inner_r_n(n); },
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE24do_copy_inner_replace_srEPSB_SC_jjSC_:
  652|   234k|    {
  653|   234k|        if (embed_relaxed)
  ------------------
  |  Branch (653:13): [True: 234k, Folded]
  ------------------
  654|   234k|            return do_copy_inner_replace_r(dst, src, n, offset, child);
  655|      0|        else {
  656|      0|            auto p = src->inner();
  657|      0|            inc_nodes(p, offset);
  658|      0|            inc_nodes(p + offset + 1, n - offset - 1);
  659|      0|            std::copy(p, p + n, dst->inner());
  660|      0|            dst->inner()[offset] = child;
  661|      0|            return dst;
  662|      0|        }
  663|   234k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE23do_copy_inner_replace_rEPSB_SC_jjSC_:
  624|   234k|    {
  625|   234k|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|   234k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (625:9): [True: 234k, False: 0]
  ------------------
  626|   234k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   234k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (626:9): [True: 234k, False: 0]
  ------------------
  627|   234k|        auto src_r = src->relaxed();
  628|   234k|        auto dst_r = dst->relaxed();
  629|   234k|        auto p     = src->inner();
  630|   234k|        inc_nodes(p, offset);
  631|   234k|        inc_nodes(p + offset + 1, n - offset - 1);
  632|   234k|        std::copy(src->inner(), src->inner() + n, dst->inner());
  633|   234k|        std::copy(src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  634|   234k|        dst_r->d.count       = n;
  635|   234k|        dst->inner()[offset] = child;
  636|   234k|        return dst;
  637|   234k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE21do_copy_inner_replaceEPSB_SC_jjSC_:
  569|  71.7k|    {
  570|  71.7k|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|  71.7k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (570:9): [True: 71.7k, False: 0]
  ------------------
  571|  71.7k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  71.7k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (571:9): [True: 71.7k, False: 0]
  ------------------
  572|  71.7k|        auto p = src->inner();
  573|  71.7k|        inc_nodes(p, offset);
  574|  71.7k|        inc_nodes(p + offset + 1, n - offset - 1);
  575|  71.7k|        std::copy(p, p + n, dst->inner());
  576|  71.7k|        dst->inner()[offset] = child;
  577|  71.7k|        return dst;
  578|  71.7k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12copy_inner_nEjPSB_j:
  543|  10.2k|    {
  544|  10.2k|        assert(allocn >= n);
  ------------------
  |  Branch (544:9): [True: 10.2k, False: 0]
  ------------------
  545|  10.2k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  10.2k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (545:9): [True: 10.2k, False: 0]
  ------------------
  546|  10.2k|        auto dst = make_inner_n(allocn);
  547|  10.2k|        return do_copy_inner(dst, src, n);
  548|  10.2k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12copy_inner_rEPSB_j:
  581|  3.71k|    {
  582|  3.71k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  3.71k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (582:9): [True: 3.71k, False: 0]
  ------------------
  583|  3.71k|        auto dst = make_inner_r_n(n);
  584|  3.71k|        return do_copy_inner_r(dst, src, n);
  585|  3.71k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13compute_shiftEv:
  977|  3.35M|    {
  978|  3.35M|        if (kind() == kind_t::leaf)
  ------------------
  |  Branch (978:13): [True: 313k, False: 3.03M]
  ------------------
  979|   313k|            return endshift<B, BL>;
  980|  3.03M|        else
  981|  3.03M|            return B + inner()[0]->compute_shift();
  982|  3.35M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5checkEjm:
  986|   313k|    {
  987|       |#if IMMER_DEBUG_DEEP_CHECK
  988|       |        assert(size > 0);
  989|       |        if (shift == endshift<B, BL>) {
  990|       |            IMMER_ASSERT_TAGGED(kind() == kind_t::leaf);
  991|       |            assert(size <= branches<BL>);
  992|       |        } else if (auto r = relaxed()) {
  993|       |            auto count = r->d.count;
  994|       |            assert(count > 0);
  995|       |            assert(count <= branches<B>);
  996|       |            if (r->d.sizes[count - 1] != size) {
  997|       |                IMMER_TRACE_F("check");
  998|       |                IMMER_TRACE_E(r->d.sizes[count - 1]);
  999|       |                IMMER_TRACE_E(size);
 1000|       |            }
 1001|       |            assert(r->d.sizes[count - 1] == size);
 1002|       |            for (auto i = 1u; i < count; ++i)
 1003|       |                assert(r->d.sizes[i - 1] < r->d.sizes[i]);
 1004|       |            auto last_size = size_t{};
 1005|       |            for (auto i = 0u; i < count; ++i) {
 1006|       |                assert(inner()[i]->check(shift - B, r->d.sizes[i] - last_size));
 1007|       |                last_size = r->d.sizes[i];
 1008|       |            }
 1009|       |        } else {
 1010|       |            assert(size <= branches<B> << shift);
 1011|       |            auto count =
 1012|       |                (size >> shift) + (size - ((size >> shift) << shift) > 0);
 1013|       |            assert(count <= branches<B>);
 1014|       |            if (count) {
 1015|       |                for (auto i = 1u; i < count - 1; ++i)
 1016|       |                    assert(inner()[i]->check(shift - B, 1 << shift));
 1017|       |                assert(inner()[count - 1]->check(
 1018|       |                    shift - B, size - ((count - 1) << shift)));
 1019|       |            }
 1020|       |        }
 1021|       |#endif // IMMER_DEBUG_DEEP_CHECK
 1022|   313k|        return true;
 1023|   313k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9copy_leafEPSB_jj:
  778|   281k|    {
  779|   281k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   281k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (779:9): [True: 281k, False: 0]
  ------------------
  780|   281k|        auto dst = make_leaf_n(last - idx);
  781|   281k|        IMMER_TRY {
  ------------------
  |  |   49|   281k|#define IMMER_TRY try
  ------------------
  782|   281k|            detail::uninitialized_copy(
  783|   281k|                src->leaf() + idx, src->leaf() + last, dst->leaf());
  784|   281k|        }
  785|   281k|        IMMER_CATCH (...) {
  786|      0|            heap::deallocate(node_t::sizeof_leaf_n(last - idx), dst);
  787|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  788|      0|        }
  789|   281k|        return dst;
  790|   281k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9copy_leafEPSB_jSC_j:
  712|   268k|    {
  713|   268k|        IMMER_ASSERT_TAGGED(src1->kind() == kind_t::leaf);
  ------------------
  |  |   68|   268k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (713:9): [True: 268k, False: 0]
  ------------------
  714|   268k|        IMMER_ASSERT_TAGGED(src2->kind() == kind_t::leaf);
  ------------------
  |  |   68|   268k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (714:9): [True: 268k, False: 0]
  ------------------
  715|   268k|        auto dst = make_leaf_n(n1 + n2);
  716|   268k|        IMMER_TRY {
  ------------------
  |  |   49|   268k|#define IMMER_TRY try
  ------------------
  717|   268k|            detail::uninitialized_copy(
  718|   268k|                src1->leaf(), src1->leaf() + n1, dst->leaf());
  719|   268k|        }
  720|   268k|        IMMER_CATCH (...) {
  721|      0|            heap::deallocate(node_t::sizeof_leaf_n(n1 + n2), dst);
  722|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  723|      0|        }
  724|   268k|        IMMER_TRY {
  ------------------
  |  |   49|   268k|#define IMMER_TRY try
  ------------------
  725|   268k|            detail::uninitialized_copy(
  726|   268k|                src2->leaf(), src2->leaf() + n2, dst->leaf() + n1);
  727|   268k|        }
  728|   268k|        IMMER_CATCH (...) {
  729|      0|            detail::destroy_n(dst->leaf(), n1);
  730|      0|            heap::deallocate(node_t::sizeof_leaf_n(n1 + n2), dst);
  731|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  732|      0|        }
  733|   268k|        return dst;
  734|   268k|    }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10can_mutateENS9_5applyIS6_E4type4editE:
  870|  2.62M|    {
  871|  2.62M|        return refs(this).unique() || ownee(this).can_mutate(e);
  ------------------
  |  Branch (871:16): [True: 2.34M, False: 287k]
  |  Branch (871:39): [True: 0, False: 287k]
  ------------------
  872|  2.62M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5owneeEPKSB_:
  207|   287k|    {
  208|   287k|        return get<ownee_t>(x->impl);
  209|   287k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_j:
  681|  45.4k|    {
  682|  45.4k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|  45.4k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (682:9): [True: 45.4k, False: 0]
  ------------------
  683|  45.4k|        auto dst = make_leaf_e(e);
  684|  45.4k|        IMMER_TRY {
  ------------------
  |  |   49|  45.4k|#define IMMER_TRY try
  ------------------
  685|  45.4k|            detail::uninitialized_copy(
  686|  45.4k|                src->leaf(), src->leaf() + n, dst->leaf());
  687|  45.4k|        }
  688|  45.4k|        IMMER_CATCH (...) {
  689|      0|            heap::deallocate(node_t::max_sizeof_leaf, dst);
  690|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  691|      0|        }
  692|  45.4k|        return dst;
  693|  45.4k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_leaf_eENS9_5applyIS6_E4type4editE:
  348|   406k|    {
  349|   406k|        auto p   = new (heap::allocate(max_sizeof_leaf)) node_t;
  350|   406k|        ownee(p) = e;
  351|   406k|#if IMMER_TAGGED_NODE
  352|   406k|        p->impl.d.kind = node_t::kind_t::leaf;
  353|   406k|#endif
  354|   406k|        return p;
  355|   406k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_leaf_eIiEEPSB_NS9_5applyIS6_E4type4editEOT_:
  485|  9.92k|    {
  486|  9.92k|        auto p = make_leaf_e(e);
  487|  9.92k|        IMMER_TRY {
  ------------------
  |  |   49|  9.92k|#define IMMER_TRY try
  ------------------
  488|  9.92k|            new (p->leaf()) T(std::forward<U>(x));
  489|  9.92k|        }
  490|  9.92k|        IMMER_CATCH (...) {
  491|      0|            heap::deallocate(node_t::max_sizeof_leaf, p);
  492|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  493|      0|        }
  494|  9.92k|        return p;
  495|  9.92k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE24ensure_mutable_relaxed_nENS9_5applyIS6_E4type4editEj:
  930|   176k|    {
  931|   176k|        auto src_r = relaxed();
  932|   176k|        return static_if<embed_relaxed, relaxed_t*>(
  933|   176k|            [&](auto) { return src_r; },
  934|   176k|            [&](auto) {
  935|   176k|                if (node_t::refs(src_r).unique() ||
  936|   176k|                    node_t::ownee(src_r).can_mutate(e))
  937|   176k|                    return src_r;
  938|   176k|                else {
  939|   176k|                    auto dst_r =
  940|   176k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  941|   176k|                    if (src_r) {
  942|   176k|                        std::copy(
  943|   176k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  944|   176k|                        if (node_t::refs(src_r).dec())
  945|   176k|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  946|   176k|                                             src_r);
  947|   176k|                    }
  948|   176k|                    dst_r->d.count                   = n;
  949|   176k|                    node_t::ownee(dst_r)             = e;
  950|   176k|                    return impl.d.data.inner.relaxed = dst_r;
  951|   176k|                }
  952|   176k|            });
  953|   176k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE24ensure_mutable_relaxed_nENS9_5applyIS6_E4type4editEjENKUlT_E_clINS0_7empty_tEEEDaSG_:
  933|   176k|            [&](auto) { return src_r; },
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14copy_inner_r_eENS9_5applyIS6_E4type4editEPSB_j:
  596|  18.2k|    {
  597|  18.2k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  18.2k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (597:9): [True: 18.2k, False: 0]
  ------------------
  598|  18.2k|        auto dst = make_inner_r_e(e);
  599|  18.2k|        return do_copy_inner_r(dst, src, n);
  600|  18.2k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14make_inner_r_eENS9_5applyIS6_E4type4editE:
  286|   165k|    {
  287|   165k|        auto mp = heap::allocate(max_sizeof_inner_r);
  288|   165k|        auto mr = static_cast<void*>(nullptr);
  289|   165k|        if (embed_relaxed) {
  ------------------
  |  Branch (289:13): [True: 165k, Folded]
  ------------------
  290|   165k|            mr = reinterpret_cast<unsigned char*>(mp) + max_sizeof_inner;
  291|   165k|        } else {
  292|      0|            IMMER_TRY {
  ------------------
  |  |   49|      0|#define IMMER_TRY try
  ------------------
  293|      0|                mr = heap::allocate(max_sizeof_relaxed, norefs_tag{});
  294|      0|            }
  295|      0|            IMMER_CATCH (...) {
  296|      0|                heap::deallocate(max_sizeof_inner_r, mp);
  297|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  298|      0|            }
  299|      0|        }
  300|   165k|        auto p   = new (mp) node_t;
  301|   165k|        auto r   = new (mr) relaxed_t;
  302|   165k|        ownee(p) = e;
  303|   165k|        static_if<!embed_relaxed>([&](auto) { node_t::ownee(r) = e; });
  304|   165k|        r->d.count                   = 0;
  305|   165k|        p->impl.d.data.inner.relaxed = r;
  306|   165k|#if IMMER_TAGGED_NODE
  307|   165k|        p->impl.d.kind = node_t::kind_t::inner;
  308|   165k|#endif
  309|   165k|        return p;
  310|   165k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_path_eENS9_5applyIS6_E4type4editEjPSB_:
  516|   399k|    {
  517|   399k|        IMMER_ASSERT_TAGGED(node->kind() == kind_t::leaf);
  ------------------
  |  |   68|   399k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (517:9): [True: 399k, False: 0]
  ------------------
  518|   399k|        if (shift == endshift<B, BL>)
  ------------------
  |  Branch (518:13): [True: 345k, False: 53.3k]
  ------------------
  519|   345k|            return node;
  520|  53.3k|        else {
  521|  53.3k|            auto n = node_t::make_inner_e(e);
  522|  53.3k|            IMMER_TRY {
  ------------------
  |  |   49|  53.3k|#define IMMER_TRY try
  ------------------
  523|  53.3k|                n->inner()[0] = make_path_e(e, shift - B, node);
  524|  53.3k|            }
  525|  53.3k|            IMMER_CATCH (...) {
  526|      0|                heap::deallocate(node_t::max_sizeof_inner, n);
  527|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  528|      0|            }
  529|  53.3k|            return n;
  530|  53.3k|        }
  531|   399k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12make_inner_eENS9_5applyIS6_E4type4editE:
  231|  84.6k|    {
  232|  84.6k|        auto m                       = heap::allocate(max_sizeof_inner);
  233|  84.6k|        auto p                       = new (m) node_t;
  234|  84.6k|        ownee(p)                     = e;
  235|  84.6k|        p->impl.d.data.inner.relaxed = nullptr;
  236|  84.6k|#if IMMER_TAGGED_NODE
  237|  84.6k|        p->impl.d.kind = node_t::kind_t::inner;
  238|  84.6k|#endif
  239|  84.6k|        return p;
  240|  84.6k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12copy_inner_eENS9_5applyIS6_E4type4editEPSB_j:
  551|  20.1k|    {
  552|  20.1k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  20.1k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (552:9): [True: 20.1k, False: 0]
  ------------------
  553|  20.1k|        auto dst = make_inner_e(e);
  554|  20.1k|        return do_copy_inner(dst, src, n);
  555|  20.1k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15copy_inner_sr_eENS9_5applyIS6_E4type4editEPSB_j:
  603|  36.6k|    {
  604|  36.6k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  36.6k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (604:9): [True: 36.6k, False: 0]
  ------------------
  605|  36.6k|        auto dst = make_inner_sr_e(e, src->relaxed());
  606|  36.6k|        return do_copy_inner_sr(dst, src, n);
  607|  36.6k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15make_inner_sr_eENS9_5applyIS6_E4type4editEPNS0_3csl6memberINSB_14relaxed_data_tEvE4typeE:
  313|  36.6k|    {
  314|  36.6k|        return static_if<embed_relaxed, node_t*>(
  315|  36.6k|            [&](auto) { return node_t::make_inner_r_e(e); },
  316|  36.6k|            [&](auto) {
  317|  36.6k|                auto p =
  318|  36.6k|                    new (heap::allocate(node_t::max_sizeof_inner_r)) node_t;
  319|  36.6k|                node_t::refs(r).inc();
  320|  36.6k|                p->impl.d.data.inner.relaxed = r;
  321|  36.6k|                node_t::ownee(p)             = e;
  322|  36.6k|#if IMMER_TAGGED_NODE
  323|  36.6k|                p->impl.d.kind = node_t::kind_t::inner;
  324|  36.6k|#endif
  325|  36.6k|                return p;
  326|  36.6k|            });
  327|  36.6k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15make_inner_sr_eENS9_5applyIS6_E4type4editEPNS0_3csl6memberINSB_14relaxed_data_tEvE4typeEENKUlT_E_clINS0_7empty_tEEEDaSM_:
  315|  36.6k|            [&](auto) { return node_t::make_inner_r_e(e); },
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE16do_copy_inner_srEPSB_SC_j:
  640|  36.6k|    {
  641|  36.6k|        if (embed_relaxed)
  ------------------
  |  Branch (641:13): [True: 36.6k, Folded]
  ------------------
  642|  36.6k|            return do_copy_inner_r(dst, src, n);
  643|      0|        else {
  644|      0|            inc_nodes(src->inner(), n);
  645|      0|            std::copy(src->inner(), src->inner() + n, dst->inner());
  646|      0|            return dst;
  647|      0|        }
  648|  36.6k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_jj:
  763|   350k|    {
  764|   350k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   350k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (764:9): [True: 350k, False: 0]
  ------------------
  765|   350k|        auto dst = make_leaf_e(e);
  766|   350k|        IMMER_TRY {
  ------------------
  |  |   49|   350k|#define IMMER_TRY try
  ------------------
  767|   350k|            detail::uninitialized_copy(
  768|   350k|                src->leaf() + idx, src->leaf() + last, dst->leaf());
  769|   350k|        }
  770|   350k|        IMMER_CATCH (...) {
  771|      0|            heap::deallocate(max_sizeof_leaf, dst);
  772|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  773|      0|        }
  774|   350k|        return dst;
  775|   350k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE22ensure_mutable_relaxedENS9_5applyIS6_E4type4editE:
  877|   207k|    {
  878|   207k|        auto src_r = relaxed();
  879|   207k|        return static_if<embed_relaxed, relaxed_t*>(
  880|   207k|            [&](auto) { return src_r; },
  881|   207k|            [&](auto) {
  882|   207k|                if (node_t::refs(src_r).unique() ||
  883|   207k|                    node_t::ownee(src_r).can_mutate(e))
  884|   207k|                    return src_r;
  885|   207k|                else {
  886|   207k|                    auto dst_r = impl.d.data.inner.relaxed =
  887|   207k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  888|   207k|                    if (src_r) {
  889|   207k|                        auto n = dst_r->d.count = src_r->d.count;
  890|   207k|                        std::copy(
  891|   207k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  892|   207k|                        if (node_t::refs(src_r).dec())
  893|   207k|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  894|   207k|                                             src_r);
  895|   207k|                    }
  896|   207k|                    node_t::ownee(dst_r) = e;
  897|   207k|                    return dst_r;
  898|   207k|                }
  899|   207k|            });
  900|   207k|    }
_ZZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE22ensure_mutable_relaxedENS9_5applyIS6_E4type4editEENKUlT_E_clINS0_7empty_tEEEDaSG_:
  880|   207k|            [&](auto) { return src_r; },
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_jSG_j:
  738|    485|    {
  739|    485|        IMMER_ASSERT_TAGGED(src1->kind() == kind_t::leaf);
  ------------------
  |  |   68|    485|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (739:9): [True: 485, False: 0]
  ------------------
  740|    485|        IMMER_ASSERT_TAGGED(src2->kind() == kind_t::leaf);
  ------------------
  |  |   68|    485|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (740:9): [True: 485, False: 0]
  ------------------
  741|    485|        auto dst = make_leaf_e(e);
  742|    485|        IMMER_TRY {
  ------------------
  |  |   49|    485|#define IMMER_TRY try
  ------------------
  743|    485|            detail::uninitialized_copy(
  744|    485|                src1->leaf(), src1->leaf() + n1, dst->leaf());
  745|    485|        }
  746|    485|        IMMER_CATCH (...) {
  747|      0|            heap::deallocate(max_sizeof_leaf, dst);
  748|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  749|      0|        }
  750|    485|        IMMER_TRY {
  ------------------
  |  |   49|    485|#define IMMER_TRY try
  ------------------
  751|    485|            detail::uninitialized_copy(
  752|    485|                src2->leaf(), src2->leaf() + n2, dst->leaf() + n1);
  753|    485|        }
  754|    485|        IMMER_CATCH (...) {
  755|      0|            detail::destroy_n(dst->leaf(), n1);
  756|      0|            heap::deallocate(max_sizeof_leaf, dst);
  757|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  758|      0|        }
  759|    485|        return dst;
  760|    485|    }

_ZN5immer6detail4rbts11dec_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  523|   156M|    {
  524|   156M|        using node_t = node_type<Pos>;
  525|   156M|        auto node    = p.node();
  526|   156M|        if (node->dec()) {
  ------------------
  |  Branch (526:13): [True: 31.1M, False: 125M]
  ------------------
  527|  31.1M|            p.each(this_t{});
  528|  31.1M|            node_t::delete_inner_r(node, p.count());
  529|  31.1M|        }
  530|   156M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  14.9M|    {
  535|  14.9M|        using node_t = node_type<Pos>;
  536|  14.9M|        auto node    = p.node();
  537|  14.9M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 434k, False: 14.5M]
  ------------------
  538|   434k|            p.each(this_t{});
  539|   434k|            node_t::delete_inner(node, p.count());
  540|   434k|        }
  541|  14.9M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  1.69M|    {
  546|  1.69M|        using node_t = node_type<Pos>;
  547|  1.69M|        auto node    = p.node();
  548|  1.69M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 562k, False: 1.12M]
  ------------------
  549|   562k|            node_t::delete_leaf(node, p.count());
  550|   562k|        }
  551|  1.69M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  545|   397k|    {
  546|   397k|        using node_t = node_type<Pos>;
  547|   397k|        auto node    = p.node();
  548|   397k|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 52.4k, False: 345k]
  ------------------
  549|  52.4k|            node_t::delete_leaf(node, p.count());
  550|  52.4k|        }
  551|   397k|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  2.87M|    {
  535|  2.87M|        using node_t = node_type<Pos>;
  536|  2.87M|        auto node    = p.node();
  537|  2.87M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 94.6k, False: 2.77M]
  ------------------
  538|  94.6k|            p.each(this_t{});
  539|  94.6k|            node_t::delete_inner(node, p.count());
  540|  94.6k|        }
  541|  2.87M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|   916k|    {
  535|   916k|        using node_t = node_type<Pos>;
  536|   916k|        auto node    = p.node();
  537|   916k|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 866k, False: 50.0k]
  ------------------
  538|   866k|            p.each(this_t{});
  539|   866k|            node_t::delete_inner(node, p.count());
  540|   866k|        }
  541|   916k|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  1.47M|    {
  535|  1.47M|        using node_t = node_type<Pos>;
  536|  1.47M|        auto node    = p.node();
  537|  1.47M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 0, False: 1.47M]
  ------------------
  538|      0|            p.each(this_t{});
  539|      0|            node_t::delete_inner(node, p.count());
  540|      0|        }
  541|  1.47M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  51.1M|    {
  546|  51.1M|        using node_t = node_type<Pos>;
  547|  51.1M|        auto node    = p.node();
  548|  51.1M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 982k, False: 50.1M]
  ------------------
  549|   982k|            node_t::delete_leaf(node, p.count());
  550|   982k|        }
  551|  51.1M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  1.33M|    {
  546|  1.33M|        using node_t = node_type<Pos>;
  547|  1.33M|        auto node    = p.node();
  548|  1.33M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 0, False: 1.33M]
  ------------------
  549|      0|            node_t::delete_leaf(node, p.count());
  550|      0|        }
  551|  1.33M|    }
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_relaxedIRNS1_11relaxed_posISC_EEEEPSC_OT_SI_j:
  791|   195k|    {
  792|   195k|        auto level    = pos.shift();
  793|   195k|        auto idx      = pos.count() - 1;
  794|   195k|        auto children = pos.size(idx);
  795|   195k|        auto new_idx =
  796|   195k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (796:13): [True: 13.4k, False: 181k]
  |  Branch (796:47): [True: 884, False: 180k]
  ------------------
  797|   195k|        auto new_child = static_cast<node_t*>(nullptr);
  798|   195k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (798:13): [True: 3.74k, False: 191k]
  ------------------
  799|  3.74k|            return nullptr;
  800|   191k|        else if (idx == new_idx) {
  ------------------
  |  Branch (800:18): [True: 180k, False: 10.6k]
  ------------------
  801|   180k|            new_child = pos.last_oh_csh(this_t{}, idx, children, tail, ts);
  802|   180k|            if (!new_child) {
  ------------------
  |  Branch (802:17): [True: 4.04k, False: 176k]
  ------------------
  803|  4.04k|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (803:21): [True: 1.81k, False: 2.22k]
  ------------------
  804|  1.81k|                    new_child = node_t::make_path(level - B, tail);
  805|  2.22k|                else
  806|  2.22k|                    return nullptr;
  807|  4.04k|            }
  808|   180k|        } else
  809|  10.6k|            new_child = node_t::make_path(level - B, tail);
  810|   189k|        IMMER_TRY {
  ------------------
  |  |   49|   189k|#define IMMER_TRY try
  ------------------
  811|   189k|            auto count = new_idx + 1;
  812|   189k|            auto new_parent =
  813|   189k|                node_t::copy_inner_r_n(count, pos.node(), new_idx);
  814|   189k|            auto new_relaxed              = new_parent->relaxed();
  815|   189k|            new_parent->inner()[new_idx]  = new_child;
  816|   189k|            new_relaxed->d.sizes[new_idx] = pos.size() + ts;
  817|   189k|            new_relaxed->d.count          = count;
  818|   189k|            assert(new_relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (818:13): [True: 189k, False: 0]
  ------------------
  819|   189k|            return new_parent;
  820|   189k|        }
  821|   189k|        IMMER_CATCH (...) {
  822|      0|            auto shift = pos.shift();
  823|      0|            auto size  = new_idx == idx ? children + ts : ts;
  ------------------
  |  Branch (823:26): [True: 0, False: 0]
  ------------------
  824|      0|            if (shift > BL) {
  ------------------
  |  Branch (824:17): [True: 0, False: 0]
  ------------------
  825|      0|                tail->inc();
  826|      0|                dec_inner(new_child, shift - B, size);
  827|      0|            }
  828|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  829|      0|        }
  830|   189k|    }
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EEJRjEEEPSC_OT_SJ_DpOT0_:
  834|  39.9k|    {
  835|  39.9k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 39.9k, False: 0]
  ------------------
  836|  39.9k|        auto idx        = pos.index(pos.size() - 1);
  837|  39.9k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|  39.9k|        auto count      = new_idx + 1;
  839|  39.9k|        auto new_parent = node_t::make_inner_n(count);
  840|  39.9k|        IMMER_TRY {
  ------------------
  |  |   49|  39.9k|#define IMMER_TRY try
  ------------------
  841|  39.9k|            new_parent->inner()[new_idx] =
  842|  39.9k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 29.9k, False: 10.0k]
  ------------------
  843|       |                               /* otherwise */
  844|  39.9k|                               : node_t::make_path(pos.shift() - B, tail);
  845|  39.9k|        }
  846|  39.9k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|  39.9k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|  39.9k|    }
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_11regular_posISC_EEJEEEPSC_OT_SI_DpOT0_:
  834|   823k|    {
  835|   823k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 823k, False: 0]
  ------------------
  836|   823k|        auto idx        = pos.index(pos.size() - 1);
  837|   823k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|   823k|        auto count      = new_idx + 1;
  839|   823k|        auto new_parent = node_t::make_inner_n(count);
  840|   823k|        IMMER_TRY {
  ------------------
  |  |   49|   823k|#define IMMER_TRY try
  ------------------
  841|   823k|            new_parent->inner()[new_idx] =
  842|   823k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 517k, False: 306k]
  ------------------
  843|       |                               /* otherwise */
  844|   823k|                               : node_t::make_path(pos.shift() - B, tail);
  845|   823k|        }
  846|   823k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|   823k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|   823k|    }
_ZN5immer6detail4rbts9dec_innerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEvPT_jm:
  562|    426|{
  563|    426|    visit_maybe_relaxed_sub(node, shift, size, dec_visitor());
  564|    426|}
_ZN5immer6detail4rbts17push_tail_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EEJEEEPSC_OT_SI_DpOT0_:
  834|   297k|    {
  835|   297k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 297k, False: 0]
  ------------------
  836|   297k|        auto idx        = pos.index(pos.size() - 1);
  837|   297k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|   297k|        auto count      = new_idx + 1;
  839|   297k|        auto new_parent = node_t::make_inner_n(count);
  840|   297k|        IMMER_TRY {
  ------------------
  |  |   49|   297k|#define IMMER_TRY try
  ------------------
  841|   297k|            new_parent->inner()[new_idx] =
  842|   297k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 276k, False: 20.8k]
  ------------------
  843|       |                               /* otherwise */
  844|   297k|                               : node_t::make_path(pos.shift() - B, tail);
  845|   297k|        }
  846|   297k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|   297k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|   297k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|   119k|    {
  503|   119k|        auto offset = pos.index(idx);
  504|   119k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|   119k|        IMMER_TRY {
  ------------------
  |  |   49|   119k|#define IMMER_TRY try
  ------------------
  506|   119k|            node->leaf()[offset] =
  507|   119k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|   119k|            return node;
  509|   119k|        }
  510|   119k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|   119k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_relaxedIRNS1_11relaxed_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  466|   234k|    {
  467|   234k|        auto offset = pos.index(idx);
  468|   234k|        auto count  = pos.count();
  469|   234k|        auto node   = node_t::make_inner_sr_n(count, pos.relaxed());
  470|   234k|        IMMER_TRY {
  ------------------
  |  |   49|   234k|#define IMMER_TRY try
  ------------------
  471|   234k|            auto child = pos.towards_oh(this_t{}, idx, offset, fn);
  472|   234k|            node_t::do_copy_inner_replace_sr(
  473|   234k|                node, pos.node(), count, offset, child);
  474|   234k|            return node;
  475|   234k|        }
  476|   234k|        IMMER_CATCH (...) {
  477|      0|            node_t::delete_inner_r(node, count);
  478|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  479|      0|        }
  480|   234k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  52.0k|    {
  485|  52.0k|        auto offset = pos.index(idx);
  486|  52.0k|        auto count  = pos.count();
  487|  52.0k|        auto node   = node_t::make_inner_n(count);
  488|  52.0k|        IMMER_TRY {
  ------------------
  |  |   49|  52.0k|#define IMMER_TRY try
  ------------------
  489|  52.0k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  52.0k|            node_t::do_copy_inner_replace(
  491|  52.0k|                node, pos.node(), count, offset, child);
  492|  52.0k|            return node;
  493|  52.0k|        }
  494|  52.0k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  52.0k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|  14.5k|    {
  503|  14.5k|        auto offset = pos.index(idx);
  504|  14.5k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|  14.5k|        IMMER_TRY {
  ------------------
  |  |   49|  14.5k|#define IMMER_TRY try
  ------------------
  506|  14.5k|            node->leaf()[offset] =
  507|  14.5k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|  14.5k|            return node;
  509|  14.5k|        }
  510|  14.5k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|  14.5k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_8full_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  12.7k|    {
  485|  12.7k|        auto offset = pos.index(idx);
  486|  12.7k|        auto count  = pos.count();
  487|  12.7k|        auto node   = node_t::make_inner_n(count);
  488|  12.7k|        IMMER_TRY {
  ------------------
  |  |   49|  12.7k|#define IMMER_TRY try
  ------------------
  489|  12.7k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  12.7k|            node_t::do_copy_inner_replace(
  491|  12.7k|                node, pos.node(), count, offset, child);
  492|  12.7k|            return node;
  493|  12.7k|        }
  494|  12.7k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  12.7k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_8leaf_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|  37.5k|    {
  503|  37.5k|        auto offset = pos.index(idx);
  504|  37.5k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|  37.5k|        IMMER_TRY {
  ------------------
  |  |   49|  37.5k|#define IMMER_TRY try
  ------------------
  506|  37.5k|            node->leaf()[offset] =
  507|  37.5k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|  37.5k|            return node;
  509|  37.5k|        }
  510|  37.5k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|  37.5k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_11regular_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  6.91k|    {
  485|  6.91k|        auto offset = pos.index(idx);
  486|  6.91k|        auto count  = pos.count();
  487|  6.91k|        auto node   = node_t::make_inner_n(count);
  488|  6.91k|        IMMER_TRY {
  ------------------
  |  |   49|  6.91k|#define IMMER_TRY try
  ------------------
  489|  6.91k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  6.91k|            node_t::do_copy_inner_replace(
  491|  6.91k|                node, pos.node(), count, offset, child);
  492|  6.91k|            return node;
  493|  6.91k|        }
  494|  6.91k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  6.91k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1096|  29.4k|    {
 1097|  29.4k|        auto idx = pos.index(last);
 1098|  29.4k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1098:13): [True: 29.4k, Folded]
  |  Branch (1098:25): [True: 22.3k, False: 7.07k]
  ------------------
 1099|  22.3k|            return pos.towards_oh(this_t{}, last, idx);
 1100|  22.3k|        } else {
 1101|  7.07k|            using std::get;
 1102|  7.07k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1103|  7.07k|            auto next = get<1>(subs);
 1104|  7.07k|            auto ts   = get<2>(subs);
 1105|  7.07k|            auto tail = get<3>(subs);
 1106|  7.07k|            IMMER_TRY {
  ------------------
  |  |   49|  7.07k|#define IMMER_TRY try
  ------------------
 1107|  7.07k|                if (next) {
  ------------------
  |  Branch (1107:21): [True: 3.95k, False: 3.12k]
  ------------------
 1108|  3.95k|                    auto count = idx + 1;
 1109|  3.95k|                    auto newn  = node_t::copy_inner_r_n(count, pos.node(), idx);
 1110|  3.95k|                    auto newr  = newn->relaxed();
 1111|  3.95k|                    newn->inner()[idx] = next;
 1112|  3.95k|                    newr->d.sizes[idx] = last + 1 - ts;
 1113|  3.95k|                    newr->d.count      = count;
 1114|  3.95k|                    assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (1114:21): [True: 3.95k, False: 0]
  ------------------
 1115|  3.95k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1116|  3.95k|                } else if (idx == 0) {
  ------------------
  |  Branch (1116:28): [True: 0, False: 3.12k]
  ------------------
 1117|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1118|  3.12k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1118:28): [True: 3.12k, Folded]
  |  Branch (1118:40): [True: 1.67k, False: 1.45k]
  |  Branch (1118:52): [True: 1.06k, False: 611]
  ------------------
 1119|  1.06k|                    auto newn = pos.node()->inner()[0];
 1120|  1.06k|                    return std::make_tuple(
 1121|  1.06k|                        pos.shift() - B, newn->inc(), ts, tail);
 1122|  2.06k|                } else {
 1123|  2.06k|                    auto newn = node_t::copy_inner_r(pos.node(), idx);
 1124|  2.06k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1125|  2.06k|                }
 1126|  7.07k|            }
 1127|  7.07k|            IMMER_CATCH (...) {
 1128|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  ------------------
 1129|      0|                if (next)
  ------------------
  |  Branch (1129:21): [True: 0, False: 0]
  ------------------
 1130|      0|                    dec_inner(next,
 1131|      0|                              pos.shift() - B,
 1132|      0|                              last + 1 - ts - pos.size_before(idx));
 1133|      0|                if (tail)
  ------------------
  |  Branch (1133:21): [True: 0, False: 0]
  ------------------
 1134|      0|                    dec_leaf(tail, ts);
 1135|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1136|      0|            }
 1137|  7.07k|        }
 1138|  29.4k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  1.64k|    {
 1182|  1.64k|        auto old_tail_size = pos.count();
 1183|  1.64k|        auto new_tail_size = pos.index(last) + 1;
 1184|  1.64k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 408, False: 1.23k]
  ------------------
 1185|  1.64k|                                 ? pos.node()->inc()
 1186|  1.64k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  1.64k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  1.64k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  4.16k|    {
 1182|  4.16k|        auto old_tail_size = pos.count();
 1183|  4.16k|        auto new_tail_size = pos.index(last) + 1;
 1184|  4.16k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.50k, False: 2.66k]
  ------------------
 1185|  4.16k|                                 ? pos.node()->inc()
 1186|  4.16k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  4.16k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  4.16k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1096|  3.67k|    {
 1097|  3.67k|        auto idx = pos.index(last);
 1098|  3.67k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1098:13): [Folded, False: 3.67k]
  |  Branch (1098:25): [True: 0, False: 0]
  ------------------
 1099|      0|            return pos.towards_oh(this_t{}, last, idx);
 1100|  3.67k|        } else {
 1101|  3.67k|            using std::get;
 1102|  3.67k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1103|  3.67k|            auto next = get<1>(subs);
 1104|  3.67k|            auto ts   = get<2>(subs);
 1105|  3.67k|            auto tail = get<3>(subs);
 1106|  3.67k|            IMMER_TRY {
  ------------------
  |  |   49|  3.67k|#define IMMER_TRY try
  ------------------
 1107|  3.67k|                if (next) {
  ------------------
  |  Branch (1107:21): [True: 780, False: 2.89k]
  ------------------
 1108|    780|                    auto count = idx + 1;
 1109|    780|                    auto newn  = node_t::copy_inner_r_n(count, pos.node(), idx);
 1110|    780|                    auto newr  = newn->relaxed();
 1111|    780|                    newn->inner()[idx] = next;
 1112|    780|                    newr->d.sizes[idx] = last + 1 - ts;
 1113|    780|                    newr->d.count      = count;
 1114|    780|                    assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (1114:21): [True: 780, False: 0]
  ------------------
 1115|    780|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1116|  2.89k|                } else if (idx == 0) {
  ------------------
  |  Branch (1116:28): [True: 1.24k, False: 1.65k]
  ------------------
 1117|  1.24k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1118|  1.65k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1118:28): [Folded, False: 1.65k]
  |  Branch (1118:40): [True: 0, False: 0]
  |  Branch (1118:52): [True: 0, False: 0]
  ------------------
 1119|      0|                    auto newn = pos.node()->inner()[0];
 1120|      0|                    return std::make_tuple(
 1121|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1122|  1.65k|                } else {
 1123|  1.65k|                    auto newn = node_t::copy_inner_r(pos.node(), idx);
 1124|  1.65k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1125|  1.65k|                }
 1126|  3.67k|            }
 1127|  3.67k|            IMMER_CATCH (...) {
 1128|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  |  Branch (1128:17): [True: 0, False: 0]
  ------------------
 1129|      0|                if (next)
  ------------------
  |  Branch (1129:21): [True: 0, False: 0]
  ------------------
 1130|      0|                    dec_inner(next,
 1131|      0|                              pos.shift() - B,
 1132|      0|                              last + 1 - ts - pos.size_before(idx));
 1133|      0|                if (tail)
  ------------------
  |  Branch (1133:21): [True: 0, False: 0]
  ------------------
 1134|      0|                    dec_leaf(tail, ts);
 1135|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1136|      0|            }
 1137|  3.67k|        }
 1138|  3.67k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  2.90k|    {
 1143|  2.90k|        auto idx = pos.index(last);
 1144|  2.90k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 2.90k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  2.90k|        } else {
 1147|  2.90k|            using std::get;
 1148|  2.90k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.90k|            auto next = get<1>(subs);
 1150|  2.90k|            auto ts   = get<2>(subs);
 1151|  2.90k|            auto tail = get<3>(subs);
 1152|  2.90k|            IMMER_TRY {
  ------------------
  |  |   49|  2.90k|#define IMMER_TRY try
  ------------------
 1153|  2.90k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 1.55k, False: 1.35k]
  ------------------
 1154|  1.55k|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|  1.55k|                    newn->inner()[idx] = next;
 1156|  1.55k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  1.55k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 603, False: 754]
  ------------------
 1158|    603|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|    754|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 754]
  |  Branch (1159:40): [True: 0, False: 0]
  |  Branch (1159:52): [True: 0, False: 0]
  ------------------
 1160|      0|                    auto newn = pos.node()->inner()[0];
 1161|      0|                    return std::make_tuple(
 1162|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|    754|                } else {
 1164|    754|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|    754|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|    754|                }
 1167|  2.90k|            }
 1168|  2.90k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  2.90k|        }
 1177|  2.90k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  5.87k|    {
 1182|  5.87k|        auto old_tail_size = pos.count();
 1183|  5.87k|        auto new_tail_size = pos.index(last) + 1;
 1184|  5.87k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.86k, False: 4.00k]
  ------------------
 1185|  5.87k|                                 ? pos.node()->inc()
 1186|  5.87k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  5.87k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  5.87k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  2.18k|    {
 1143|  2.18k|        auto idx = pos.index(last);
 1144|  2.18k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 2.18k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  2.18k|        } else {
 1147|  2.18k|            using std::get;
 1148|  2.18k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.18k|            auto next = get<1>(subs);
 1150|  2.18k|            auto ts   = get<2>(subs);
 1151|  2.18k|            auto tail = get<3>(subs);
 1152|  2.18k|            IMMER_TRY {
  ------------------
  |  |   49|  2.18k|#define IMMER_TRY try
  ------------------
 1153|  2.18k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 266, False: 1.91k]
  ------------------
 1154|    266|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    266|                    newn->inner()[idx] = next;
 1156|    266|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  1.91k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 582, False: 1.33k]
  ------------------
 1158|    582|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  1.33k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 1.33k]
  |  Branch (1159:40): [True: 0, False: 0]
  |  Branch (1159:52): [True: 0, False: 0]
  ------------------
 1160|      0|                    auto newn = pos.node()->inner()[0];
 1161|      0|                    return std::make_tuple(
 1162|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  1.33k|                } else {
 1164|  1.33k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.33k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.33k|                }
 1167|  2.18k|            }
 1168|  2.18k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  2.18k|        }
 1177|  2.18k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  2.61k|    {
 1182|  2.61k|        auto old_tail_size = pos.count();
 1183|  2.61k|        auto new_tail_size = pos.index(last) + 1;
 1184|  2.61k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.25k, False: 1.35k]
  ------------------
 1185|  2.61k|                                 ? pos.node()->inc()
 1186|  2.61k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  2.61k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  2.61k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_11regular_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  2.69k|    {
 1143|  2.69k|        auto idx = pos.index(last);
 1144|  2.69k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 2.69k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  2.69k|        } else {
 1147|  2.69k|            using std::get;
 1148|  2.69k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.69k|            auto next = get<1>(subs);
 1150|  2.69k|            auto ts   = get<2>(subs);
 1151|  2.69k|            auto tail = get<3>(subs);
 1152|  2.69k|            IMMER_TRY {
  ------------------
  |  |   49|  2.69k|#define IMMER_TRY try
  ------------------
 1153|  2.69k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 669, False: 2.02k]
  ------------------
 1154|    669|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    669|                    newn->inner()[idx] = next;
 1156|    669|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.02k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 860, False: 1.16k]
  ------------------
 1158|    860|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  1.16k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 1.16k]
  |  Branch (1159:40): [True: 0, False: 0]
  |  Branch (1159:52): [True: 0, False: 0]
  ------------------
 1160|      0|                    auto newn = pos.node()->inner()[0];
 1161|      0|                    return std::make_tuple(
 1162|      0|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  1.16k|                } else {
 1164|  1.16k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.16k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.16k|                }
 1167|  2.69k|            }
 1168|  2.69k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  2.69k|        }
 1177|  2.69k|    }
_ZN5immer6detail4rbts8dec_leafINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEvPT_j:
  556|  38.7k|{
  557|  38.7k|    make_leaf_sub_pos(node, n).visit(dec_visitor{});
  558|  38.7k|}
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  8.03k|    {
 1143|  8.03k|        auto idx = pos.index(last);
 1144|  8.03k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [True: 8.03k, Folded]
  |  Branch (1144:25): [True: 5.67k, False: 2.35k]
  ------------------
 1145|  5.67k|            return pos.towards_oh(this_t{}, last, idx);
 1146|  5.67k|        } else {
 1147|  2.35k|            using std::get;
 1148|  2.35k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.35k|            auto next = get<1>(subs);
 1150|  2.35k|            auto ts   = get<2>(subs);
 1151|  2.35k|            auto tail = get<3>(subs);
 1152|  2.35k|            IMMER_TRY {
  ------------------
  |  |   49|  2.35k|#define IMMER_TRY try
  ------------------
 1153|  2.35k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 550, False: 1.80k]
  ------------------
 1154|    550|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    550|                    newn->inner()[idx] = next;
 1156|    550|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  1.80k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 0, False: 1.80k]
  ------------------
 1158|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  1.80k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [True: 1.80k, Folded]
  |  Branch (1159:40): [True: 1.10k, False: 707]
  |  Branch (1159:52): [True: 694, False: 408]
  ------------------
 1160|    694|                    auto newn = pos.node()->inner()[0];
 1161|    694|                    return std::make_tuple(
 1162|    694|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  1.11k|                } else {
 1164|  1.11k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.11k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.11k|                }
 1167|  2.35k|            }
 1168|  2.35k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  2.35k|        }
 1177|  8.03k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|  1.71k|    {
 1182|  1.71k|        auto old_tail_size = pos.count();
 1183|  1.71k|        auto new_tail_size = pos.index(last) + 1;
 1184|  1.71k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 672, False: 1.04k]
  ------------------
 1185|  1.71k|                                 ? pos.node()->inc()
 1186|  1.71k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  1.71k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  1.71k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1142|  5.41k|    {
 1143|  5.41k|        auto idx = pos.index(last);
 1144|  5.41k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [True: 5.41k, Folded]
  |  Branch (1144:25): [True: 2.19k, False: 3.21k]
  ------------------
 1145|  2.19k|            return pos.towards_oh(this_t{}, last, idx);
 1146|  3.21k|        } else {
 1147|  3.21k|            using std::get;
 1148|  3.21k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  3.21k|            auto next = get<1>(subs);
 1150|  3.21k|            auto ts   = get<2>(subs);
 1151|  3.21k|            auto tail = get<3>(subs);
 1152|  3.21k|            IMMER_TRY {
  ------------------
  |  |   49|  3.21k|#define IMMER_TRY try
  ------------------
 1153|  3.21k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 393, False: 2.82k]
  ------------------
 1154|    393|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    393|                    newn->inner()[idx] = next;
 1156|    393|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.82k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 0, False: 2.82k]
  ------------------
 1158|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  2.82k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [True: 2.82k, Folded]
  |  Branch (1159:40): [True: 756, False: 2.06k]
  |  Branch (1159:52): [True: 323, False: 433]
  ------------------
 1160|    323|                    auto newn = pos.node()->inner()[0];
 1161|    323|                    return std::make_tuple(
 1162|    323|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  2.50k|                } else {
 1164|  2.50k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  2.50k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  2.50k|                }
 1167|  3.21k|            }
 1168|  3.21k|            IMMER_CATCH (...) {
 1169|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  |  Branch (1169:17): [True: 0, False: 0]
  ------------------
 1170|      0|                assert(tail);
  ------------------
  |  Branch (1170:17): [True: 0, False: 0]
  ------------------
 1171|      0|                if (next)
  ------------------
  |  Branch (1171:21): [True: 0, False: 0]
  ------------------
 1172|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1173|      0|                dec_leaf(tail, ts);
 1174|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1175|      0|            }
 1176|  3.21k|        }
 1177|  5.41k|    }
_ZN5immer6detail4rbts19slice_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_m:
 1181|    743|    {
 1182|    743|        auto old_tail_size = pos.count();
 1183|    743|        auto new_tail_size = pos.index(last) + 1;
 1184|    743|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 328, False: 415]
  ------------------
 1185|    743|                                 ? pos.node()->inc()
 1186|    743|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|    743|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|    743|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE11visit_innerIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  26.1k|    {
 1415|  26.1k|        auto idx                = pos.subindex(first);
 1416|  26.1k|        auto count              = pos.count();
 1417|  26.1k|        auto left_size          = pos.size_before(idx);
 1418|  26.1k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  26.1k|        auto dropped_size       = first;
 1420|  26.1k|        auto child_dropped_size = dropped_size - left_size;
 1421|  26.1k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 26.1k, Folded]
  |  Branch (1421:25): [True: 24.2k, False: 1.88k]
  |  Branch (1421:45): [True: 3.68k, False: 20.5k]
  ------------------
 1422|  3.68k|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  22.4k|        } else {
 1424|  22.4k|            using std::get;
 1425|  22.4k|            auto n    = pos.node();
 1426|  22.4k|            auto newc = count - idx;
 1427|  22.4k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  22.4k|            IMMER_TRY {
  ------------------
  |  |   49|  22.4k|#define IMMER_TRY try
  ------------------
 1429|  22.4k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  22.4k|                auto newr     = newn->relaxed();
 1431|  22.4k|                newr->d.count = count - idx;
 1432|  22.4k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  22.4k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 22.4k, False: 0]
  ------------------
 1434|  22.4k|                pos.copy_sizes(idx + 1,
 1435|  22.4k|                               newr->d.count - 1,
 1436|  22.4k|                               newr->d.sizes[0],
 1437|  22.4k|                               newr->d.sizes + 1);
 1438|  22.4k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 22.4k, False: 0]
  ------------------
 1439|  22.4k|                       pos.size() - dropped_size);
 1440|  22.4k|                newn->inner()[0] = get<1>(subs);
 1441|  22.4k|                std::copy(n->inner() + idx + 1,
 1442|  22.4k|                          n->inner() + count,
 1443|  22.4k|                          newn->inner() + 1);
 1444|  22.4k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  22.4k|                return std::make_tuple(pos.shift(), newn);
 1446|  22.4k|            }
 1447|  22.4k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  22.4k|        }
 1452|  26.1k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1456|  20.7k|    {
 1457|  20.7k|        auto n = node_t::copy_leaf(pos.node(), pos.index(first), pos.count());
 1458|  20.7k|        return std::make_tuple(0, n);
 1459|  20.7k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE11visit_innerIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|   101k|    {
 1415|   101k|        auto idx                = pos.subindex(first);
 1416|   101k|        auto count              = pos.count();
 1417|   101k|        auto left_size          = pos.size_before(idx);
 1418|   101k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|   101k|        auto dropped_size       = first;
 1420|   101k|        auto child_dropped_size = dropped_size - left_size;
 1421|   101k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 101k]
  |  Branch (1421:25): [True: 0, False: 0]
  |  Branch (1421:45): [True: 0, False: 0]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|   101k|        } else {
 1424|   101k|            using std::get;
 1425|   101k|            auto n    = pos.node();
 1426|   101k|            auto newc = count - idx;
 1427|   101k|            auto newn = node_t::make_inner_r_n(newc);
 1428|   101k|            IMMER_TRY {
  ------------------
  |  |   49|   101k|#define IMMER_TRY try
  ------------------
 1429|   101k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|   101k|                auto newr     = newn->relaxed();
 1431|   101k|                newr->d.count = count - idx;
 1432|   101k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|   101k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 101k, False: 0]
  ------------------
 1434|   101k|                pos.copy_sizes(idx + 1,
 1435|   101k|                               newr->d.count - 1,
 1436|   101k|                               newr->d.sizes[0],
 1437|   101k|                               newr->d.sizes + 1);
 1438|   101k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 101k, False: 0]
  ------------------
 1439|   101k|                       pos.size() - dropped_size);
 1440|   101k|                newn->inner()[0] = get<1>(subs);
 1441|   101k|                std::copy(n->inner() + idx + 1,
 1442|   101k|                          n->inner() + count,
 1443|   101k|                          newn->inner() + 1);
 1444|   101k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|   101k|                return std::make_tuple(pos.shift(), newn);
 1446|   101k|            }
 1447|   101k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|   101k|        }
 1452|   101k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE11visit_innerIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  1.70k|    {
 1415|  1.70k|        auto idx                = pos.subindex(first);
 1416|  1.70k|        auto count              = pos.count();
 1417|  1.70k|        auto left_size          = pos.size_before(idx);
 1418|  1.70k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  1.70k|        auto dropped_size       = first;
 1420|  1.70k|        auto child_dropped_size = dropped_size - left_size;
 1421|  1.70k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 1.70k]
  |  Branch (1421:25): [True: 0, False: 0]
  |  Branch (1421:45): [True: 0, False: 0]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  1.70k|        } else {
 1424|  1.70k|            using std::get;
 1425|  1.70k|            auto n    = pos.node();
 1426|  1.70k|            auto newc = count - idx;
 1427|  1.70k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  1.70k|            IMMER_TRY {
  ------------------
  |  |   49|  1.70k|#define IMMER_TRY try
  ------------------
 1429|  1.70k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  1.70k|                auto newr     = newn->relaxed();
 1431|  1.70k|                newr->d.count = count - idx;
 1432|  1.70k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  1.70k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 1.70k, False: 0]
  ------------------
 1434|  1.70k|                pos.copy_sizes(idx + 1,
 1435|  1.70k|                               newr->d.count - 1,
 1436|  1.70k|                               newr->d.sizes[0],
 1437|  1.70k|                               newr->d.sizes + 1);
 1438|  1.70k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 1.70k, False: 0]
  ------------------
 1439|  1.70k|                       pos.size() - dropped_size);
 1440|  1.70k|                newn->inner()[0] = get<1>(subs);
 1441|  1.70k|                std::copy(n->inner() + idx + 1,
 1442|  1.70k|                          n->inner() + count,
 1443|  1.70k|                          newn->inner() + 1);
 1444|  1.70k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  1.70k|                return std::make_tuple(pos.shift(), newn);
 1446|  1.70k|            }
 1447|  1.70k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  1.70k|        }
 1452|  1.70k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1456|  9.86k|    {
 1457|  9.86k|        auto n = node_t::copy_leaf(pos.node(), pos.index(first), pos.count());
 1458|  9.86k|        return std::make_tuple(0, n);
 1459|  9.86k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE11visit_innerIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  7.42k|    {
 1415|  7.42k|        auto idx                = pos.subindex(first);
 1416|  7.42k|        auto count              = pos.count();
 1417|  7.42k|        auto left_size          = pos.size_before(idx);
 1418|  7.42k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  7.42k|        auto dropped_size       = first;
 1420|  7.42k|        auto child_dropped_size = dropped_size - left_size;
 1421|  7.42k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 7.42k]
  |  Branch (1421:25): [True: 0, False: 0]
  |  Branch (1421:45): [True: 0, False: 0]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  7.42k|        } else {
 1424|  7.42k|            using std::get;
 1425|  7.42k|            auto n    = pos.node();
 1426|  7.42k|            auto newc = count - idx;
 1427|  7.42k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  7.42k|            IMMER_TRY {
  ------------------
  |  |   49|  7.42k|#define IMMER_TRY try
  ------------------
 1429|  7.42k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  7.42k|                auto newr     = newn->relaxed();
 1431|  7.42k|                newr->d.count = count - idx;
 1432|  7.42k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  7.42k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 7.42k, False: 0]
  ------------------
 1434|  7.42k|                pos.copy_sizes(idx + 1,
 1435|  7.42k|                               newr->d.count - 1,
 1436|  7.42k|                               newr->d.sizes[0],
 1437|  7.42k|                               newr->d.sizes + 1);
 1438|  7.42k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 7.42k, False: 0]
  ------------------
 1439|  7.42k|                       pos.size() - dropped_size);
 1440|  7.42k|                newn->inner()[0] = get<1>(subs);
 1441|  7.42k|                std::copy(n->inner() + idx + 1,
 1442|  7.42k|                          n->inner() + count,
 1443|  7.42k|                          newn->inner() + 1);
 1444|  7.42k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  7.42k|                return std::make_tuple(pos.shift(), newn);
 1446|  7.42k|            }
 1447|  7.42k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  7.42k|        }
 1452|  7.42k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE11visit_innerIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|  9.73k|    {
 1415|  9.73k|        auto idx                = pos.subindex(first);
 1416|  9.73k|        auto count              = pos.count();
 1417|  9.73k|        auto left_size          = pos.size_before(idx);
 1418|  9.73k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  9.73k|        auto dropped_size       = first;
 1420|  9.73k|        auto child_dropped_size = dropped_size - left_size;
 1421|  9.73k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 9.73k, Folded]
  |  Branch (1421:25): [True: 6.60k, False: 3.12k]
  |  Branch (1421:45): [True: 2.32k, False: 4.28k]
  ------------------
 1422|  2.32k|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  7.40k|        } else {
 1424|  7.40k|            using std::get;
 1425|  7.40k|            auto n    = pos.node();
 1426|  7.40k|            auto newc = count - idx;
 1427|  7.40k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  7.40k|            IMMER_TRY {
  ------------------
  |  |   49|  7.40k|#define IMMER_TRY try
  ------------------
 1429|  7.40k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  7.40k|                auto newr     = newn->relaxed();
 1431|  7.40k|                newr->d.count = count - idx;
 1432|  7.40k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  7.40k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 7.40k, False: 0]
  ------------------
 1434|  7.40k|                pos.copy_sizes(idx + 1,
 1435|  7.40k|                               newr->d.count - 1,
 1436|  7.40k|                               newr->d.sizes[0],
 1437|  7.40k|                               newr->d.sizes + 1);
 1438|  7.40k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 7.40k, False: 0]
  ------------------
 1439|  7.40k|                       pos.size() - dropped_size);
 1440|  7.40k|                newn->inner()[0] = get<1>(subs);
 1441|  7.40k|                std::copy(n->inner() + idx + 1,
 1442|  7.40k|                          n->inner() + count,
 1443|  7.40k|                          newn->inner() + 1);
 1444|  7.40k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  7.40k|                return std::make_tuple(pos.shift(), newn);
 1446|  7.40k|            }
 1447|  7.40k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  7.40k|        }
 1452|  9.73k|    }
_ZN5immer6detail4rbts18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE11visit_innerIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_m:
 1414|    745|    {
 1415|    745|        auto idx                = pos.subindex(first);
 1416|    745|        auto count              = pos.count();
 1417|    745|        auto left_size          = pos.size_before(idx);
 1418|    745|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|    745|        auto dropped_size       = first;
 1420|    745|        auto child_dropped_size = dropped_size - left_size;
 1421|    745|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 745, Folded]
  |  Branch (1421:25): [True: 278, False: 467]
  |  Branch (1421:45): [True: 0, False: 278]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|    745|        } else {
 1424|    745|            using std::get;
 1425|    745|            auto n    = pos.node();
 1426|    745|            auto newc = count - idx;
 1427|    745|            auto newn = node_t::make_inner_r_n(newc);
 1428|    745|            IMMER_TRY {
  ------------------
  |  |   49|    745|#define IMMER_TRY try
  ------------------
 1429|    745|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|    745|                auto newr     = newn->relaxed();
 1431|    745|                newr->d.count = count - idx;
 1432|    745|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|    745|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 745, False: 0]
  ------------------
 1434|    745|                pos.copy_sizes(idx + 1,
 1435|    745|                               newr->d.count - 1,
 1436|    745|                               newr->d.sizes[0],
 1437|    745|                               newr->d.sizes + 1);
 1438|    745|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 745, False: 0]
  ------------------
 1439|    745|                       pos.size() - dropped_size);
 1440|    745|                newn->inner()[0] = get<1>(subs);
 1441|    745|                std::copy(n->inner() + idx + 1,
 1442|    745|                          n->inner() + count,
 1443|    745|                          newn->inner() + 1);
 1444|    745|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|    745|                return std::make_tuple(pos.shift(), newn);
 1446|    745|            }
 1447|    745|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|    745|        }
 1452|    745|    }
_ZN5immer6detail4rbts12concat_treesINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11relaxed_posIT_EEPSE_jSG_jm:
 2001|  7.26k|{
 2002|  7.26k|    return make_singleton_regular_sub_pos(ltail, ltcount)
 2003|  7.26k|        .visit(concat_trees_left_visitor<Node>{},
 2004|  7.26k|               empty_leaf_pos<Node>{},
 2005|  7.26k|               rroot,
 2006|  7.26k|               rshift,
 2007|  7.26k|               rsize)
 2008|  7.26k|        .realize();
 2009|  7.26k|}
_ZN5immer6detail4rbts25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_25singleton_regular_sub_posISC_EENS1_14empty_leaf_posISC_EEJRPSC_RjRmEEENS1_17concat_center_posISC_EEOT_OT0_DpOT1_:
 1971|  7.26k|    {
 1972|  7.26k|        return visit_maybe_relaxed_sub(
 1973|  7.26k|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  7.26k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  5.11k|    {
 1959|  5.11k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  5.11k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  21.7k|{
 1873|  21.7k|    auto lshift = lpos.shift();
 1874|  21.7k|    auto rshift = rpos.shift();
 1875|  21.7k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 21.7k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  21.7k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 16.9k, False: 4.83k]
  ------------------
 1879|  16.9k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  16.9k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  16.9k|    } else {
 1882|  4.83k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 4.83k, False: 0]
  ------------------
 1883|  4.83k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 4.83k]
  |  Branch (1883:9): [True: 4.83k, False: 0]
  |  Branch (1883:9): [True: 4.83k, False: 0]
  ------------------
 1884|  4.83k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  4.83k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  4.83k|    }
 1887|  21.7k|}
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8each_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1512|  12.2M|    {
 1513|  12.2M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.00M, False: 11.2M]
  ------------------
 1514|  1.00M|            auto s = size_t{};
 1515|  4.01M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 3.01M, False: 1.00M]
  ------------------
 1516|  3.01M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  3.01M|                s = sizes_[i];
 1518|  3.01M|            }
 1519|  11.2M|        } else {
 1520|  30.0M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 18.8M, False: 11.2M]
  ------------------
 1521|  18.8M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  18.8M|                    .visit(v, args...);
 1523|  11.2M|        }
 1524|  12.2M|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|  7.33M|    {
 1734|  7.33M|        auto count = p.count();
 1735|  7.33M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 7.33M, False: 0]
  ------------------
 1736|  7.33M|        plan.counts[plan.n++] = count;
 1737|  7.33M|        plan.total += count;
 1738|  7.33M|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|   102M|    {
 1734|   102M|        auto count = p.count();
 1735|   102M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 102M, False: 0]
  ------------------
 1736|   102M|        plan.counts[plan.n++] = count;
 1737|   102M|        plan.total += count;
 1738|   102M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE7shuffleEj:
 1762|  12.2M|    {
 1763|       |        // gcc seems to not really understand this code... :(
 1764|  12.2M|#if !defined(_MSC_VER)
 1765|  12.2M|#pragma GCC diagnostic push
 1766|  12.2M|#pragma GCC diagnostic ignored "-Warray-bounds"
 1767|  12.2M|#endif
 1768|  12.2M|        constexpr count_t rrb_extras    = 2;
 1769|  12.2M|        constexpr count_t rrb_invariant = 1;
 1770|  12.2M|        const auto bits                 = shift == BL ? BL : B;
  ------------------
  |  Branch (1770:43): [True: 1.00M, False: 11.2M]
  ------------------
 1771|  12.2M|        const auto branches             = count_t{1} << bits;
 1772|  12.2M|        const auto optimal              = ((total - 1) >> bits) + 1;
 1773|  12.2M|        count_t i                       = 0;
 1774|  15.2M|        while (n >= optimal + rrb_extras) {
  ------------------
  |  Branch (1774:16): [True: 3.01M, False: 12.2M]
  ------------------
 1775|       |            // skip ok nodes
 1776|  6.49M|            while (counts[i] > branches - rrb_invariant)
  ------------------
  |  Branch (1776:20): [True: 3.48M, False: 3.01M]
  ------------------
 1777|  3.48M|                i++;
 1778|  3.01M|            assert(i < n);
  ------------------
  |  Branch (1778:13): [True: 3.01M, False: 0]
  ------------------
 1779|       |            // short node, redistribute
 1780|  3.01M|            auto remaining = counts[i];
 1781|  11.1M|            do {
 1782|  11.1M|                auto next  = counts[i + 1];
 1783|  11.1M|                auto count = std::min(remaining + next, branches);
 1784|  11.1M|                counts[i]  = count;
 1785|  11.1M|                assert(counts[i]);
  ------------------
  |  Branch (1785:17): [True: 11.1M, False: 0]
  ------------------
 1786|  11.1M|                remaining += next - count;
 1787|  11.1M|                ++i;
 1788|  11.1M|            } while (remaining > 0);
  ------------------
  |  Branch (1788:22): [True: 8.11M, False: 3.01M]
  ------------------
 1789|       |            // remove node
 1790|  3.01M|            std::move(counts + i + 1, counts + n, counts + i);
 1791|  3.01M|            --n;
 1792|  3.01M|            --i;
 1793|  3.01M|        }
 1794|  12.2M|#if !defined(_MSC_VER)
 1795|  12.2M|#pragma GCC diagnostic pop
 1796|  12.2M|#endif
 1797|  12.2M|    }
_ZNK5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
 1478|  24.4M|    auto shift() const { return shift_; }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPjj:
 1577|  12.2M|        : curr_{counts}
 1578|  12.2M|        , n_{n}
 1579|  12.2M|        , result_{
 1580|  12.2M|              shift + B, node_t::make_inner_r_n(std::min(n_, branches<B>)), 0}
 1581|  12.2M|    {
 1582|  12.2M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPSC_m:
 1481|  12.2M|        : shift_{s}
 1482|  12.2M|        , count_{1}
 1483|  12.2M|        , nodes_{n0}
 1484|  12.2M|        , sizes_{s0}
 1485|  12.2M|    {
 1486|  12.2M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8each_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1512|  12.2M|    {
 1513|  12.2M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.00M, False: 11.2M]
  ------------------
 1514|  1.00M|            auto s = size_t{};
 1515|  4.01M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 3.01M, False: 1.00M]
  ------------------
 1516|  3.01M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  3.01M|                s = sizes_[i];
 1518|  3.01M|            }
 1519|  11.2M|        } else {
 1520|  30.0M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 18.8M, False: 11.2M]
  ------------------
 1521|  18.8M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  18.8M|                    .visit(v, args...);
 1523|  11.2M|        }
 1524|  12.2M|    }
_ZN5immer6detail4rbts21concat_merger_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1721|  7.33M|    {
 1722|  7.33M|        merger.merge_leaf(p);
 1723|  7.33M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10merge_leafIRNS1_12leaf_sub_posISC_EEEEvOT_:
 1614|  7.33M|    {
 1615|  7.33M|        auto from       = p.node();
 1616|  7.33M|        auto from_size  = p.size();
 1617|  7.33M|        auto from_count = p.count();
 1618|  7.33M|        assert(from_size);
  ------------------
  |  Branch (1618:9): [True: 7.33M, False: 0]
  ------------------
 1619|  7.33M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1619:13): [True: 7.22M, False: 113k]
  |  Branch (1619:21): [True: 7.17M, False: 46.9k]
  ------------------
 1620|  7.17M|            add_child(from, from_size);
 1621|  7.17M|            from->inc();
 1622|  7.17M|        } else {
 1623|   160k|            auto from_offset = count_t{};
 1624|   160k|            auto from_data   = from->leaf();
 1625|   224k|            do {
 1626|   224k|                if (!to_) {
  ------------------
  |  Branch (1626:21): [True: 110k, False: 113k]
  ------------------
 1627|   110k|                    to_        = node_t::make_leaf_n(*curr_);
 1628|   110k|                    to_offset_ = 0;
 1629|   110k|                }
 1630|   224k|                auto data = to_->leaf();
 1631|   224k|                auto to_copy =
 1632|   224k|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1633|   224k|                detail::uninitialized_copy(from_data + from_offset,
 1634|   224k|                                           from_data + from_offset + to_copy,
 1635|   224k|                                           data + to_offset_);
 1636|   224k|                to_offset_ += to_copy;
 1637|   224k|                from_offset += to_copy;
 1638|   224k|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1638:21): [True: 110k, False: 113k]
  ------------------
 1639|   110k|                    add_child(to_, to_offset_);
 1640|   110k|                    to_ = nullptr;
 1641|   110k|                }
 1642|   224k|            } while (from_offset != from_count);
  ------------------
  |  Branch (1642:22): [True: 63.4k, False: 160k]
  ------------------
 1643|   160k|        }
 1644|  7.33M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9add_childEPSC_m:
 1589|   115M|    {
 1590|   115M|        assert(size);
  ------------------
  |  Branch (1590:9): [True: 115M, False: 0]
  ------------------
 1591|   115M|        ++curr_;
 1592|   115M|        auto parent  = result_.nodes_[result_.count_ - 1];
 1593|   115M|        auto relaxed = parent->relaxed();
 1594|   115M|        if (relaxed->d.count == branches<B>) {
  ------------------
  |  Branch (1594:13): [True: 7.71M, False: 107M]
  ------------------
 1595|  7.71M|            assert(result_.count_ < result_t::max_children);
  ------------------
  |  Branch (1595:13): [True: 7.71M, False: 0]
  ------------------
 1596|  7.71M|            n_ -= branches<B>;
 1597|  7.71M|            parent  = node_t::make_inner_r_n(std::min(n_, branches<B>));
 1598|  7.71M|            relaxed = parent->relaxed();
 1599|  7.71M|            result_.nodes_[result_.count_] = parent;
 1600|  7.71M|            result_.sizes_[result_.count_] = result_.sizes_[result_.count_ - 1];
 1601|  7.71M|            assert(result_.sizes_[result_.count_]);
  ------------------
  |  Branch (1601:13): [True: 7.71M, False: 0]
  ------------------
 1602|  7.71M|            ++result_.count_;
 1603|  7.71M|        }
 1604|   115M|        auto idx = relaxed->d.count++;
 1605|   115M|        result_.sizes_[result_.count_ - 1] += size;
 1606|   115M|        assert(result_.sizes_[result_.count_ - 1]);
  ------------------
  |  Branch (1606:9): [True: 115M, False: 0]
  ------------------
 1607|   115M|        relaxed->d.sizes[idx] = size + (idx ? relaxed->d.sizes[idx - 1] : 0);
  ------------------
  |  Branch (1607:41): [True: 95.2M, False: 19.9M]
  ------------------
 1608|   115M|        assert(relaxed->d.sizes[idx]);
  ------------------
  |  Branch (1608:9): [True: 115M, False: 0]
  ------------------
 1609|   115M|        parent->inner()[idx] = p;
 1610|   115M|    };
_ZN5immer6detail4rbts21concat_merger_visitor11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1715|   102M|    {
 1716|   102M|        merger.merge_inner(p);
 1717|   102M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11merge_innerIRNS1_11relaxed_posISC_EEEEvOT_:
 1648|   102M|    {
 1649|   102M|        auto from       = p.node();
 1650|   102M|        auto from_size  = p.size();
 1651|   102M|        auto from_count = p.count();
 1652|   102M|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 102M, False: 0]
  ------------------
 1653|   102M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 92.6M, False: 9.43M]
  |  Branch (1653:21): [True: 90.2M, False: 2.37M]
  ------------------
 1654|  90.2M|            add_child(from, from_size);
 1655|  90.2M|            from->inc();
 1656|  90.2M|        } else {
 1657|  11.8M|            auto from_offset = count_t{};
 1658|  11.8M|            auto from_data   = from->inner();
 1659|  18.2M|            do {
 1660|  18.2M|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 8.84M, False: 9.43M]
  ------------------
 1661|  8.84M|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|  8.84M|                    to_offset_ = 0;
 1663|  8.84M|                    to_size_   = 0;
 1664|  8.84M|                }
 1665|  18.2M|                auto data = to_->inner();
 1666|  18.2M|                auto to_copy =
 1667|  18.2M|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|  18.2M|                std::copy(from_data + from_offset,
 1669|  18.2M|                          from_data + from_offset + to_copy,
 1670|  18.2M|                          data + to_offset_);
 1671|  18.2M|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|  18.2M|                auto sizes = to_->relaxed()->d.sizes;
 1673|  18.2M|                p.copy_sizes(
 1674|  18.2M|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|  18.2M|                to_offset_ += to_copy;
 1676|  18.2M|                from_offset += to_copy;
 1677|  18.2M|                to_size_ = sizes[to_offset_ - 1];
 1678|  18.2M|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 18.2M, False: 0]
  ------------------
 1679|  18.2M|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 8.84M, False: 9.43M]
  ------------------
 1680|  8.84M|                    to_->relaxed()->d.count = to_offset_;
 1681|  8.84M|                    add_child(to_, to_size_);
 1682|  8.84M|                    to_ = nullptr;
 1683|  8.84M|                }
 1684|  18.2M|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 6.47M, False: 11.8M]
  ------------------
 1685|  11.8M|        }
 1686|   102M|    }
_ZNK5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE6finishEv:
 1689|  12.2M|    {
 1690|  12.2M|        assert(!to_);
  ------------------
  |  Branch (1690:9): [True: 12.2M, False: 0]
  ------------------
 1691|  12.2M|        return result_;
 1692|  12.2M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8each_subINS1_11dec_visitorEJEEEvT_DpOT0_:
 1512|  12.2M|    {
 1513|  12.2M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.00M, False: 11.2M]
  ------------------
 1514|  1.00M|            auto s = size_t{};
 1515|  4.01M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 3.01M, False: 1.00M]
  ------------------
 1516|  3.01M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  3.01M|                s = sizes_[i];
 1518|  3.01M|            }
 1519|  11.2M|        } else {
 1520|  30.0M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 18.8M, False: 11.2M]
  ------------------
 1521|  18.8M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  18.8M|                    .visit(v, args...);
 1523|  11.2M|        }
 1524|  12.2M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPSC_mSE_mSE_m:
 1503|   999k|        : shift_{s}
 1504|   999k|        , count_{3}
 1505|   999k|        , nodes_{n0, n1, n2}
 1506|   999k|        , sizes_{s0, s0 + s1, s0 + s1 + s2}
 1507|   999k|    {
 1508|   999k|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPSC_mSE_m:
 1489|  7.26k|        : shift_{s}
 1490|  7.26k|        , count_{2}
 1491|  7.26k|        , nodes_{n0, n1}
 1492|  7.26k|        , sizes_{s0, s0 + s1}
 1493|  7.26k|    {
 1494|  7.26k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  16.6k|    {
 1918|  16.6k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  16.6k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|    281|    {
 1918|    281|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|    281|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  2.43k|{
 1873|  2.43k|    auto lshift = lpos.shift();
 1874|  2.43k|    auto rshift = rpos.shift();
 1875|  2.43k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 2.43k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  2.43k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 610, False: 1.82k]
  ------------------
 1879|    610|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    610|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  1.82k|    } else {
 1882|  1.82k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 1.82k, False: 0]
  ------------------
 1883|  1.82k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 1.82k]
  |  Branch (1883:9): [True: 1.82k, False: 0]
  |  Branch (1883:9): [True: 1.82k, False: 0]
  ------------------
 1884|  1.82k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  1.82k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  1.82k|    }
 1887|  2.43k|}
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_8full_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|    931|    {
 1918|    931|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|    931|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|    931|{
 1873|    931|    auto lshift = lpos.shift();
 1874|    931|    auto rshift = rpos.shift();
 1875|    931|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 931]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|    931|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 321, False: 610]
  ------------------
 1879|    321|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    321|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|    610|    } else {
 1882|    610|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 610, False: 0]
  ------------------
 1883|    610|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 610]
  |  Branch (1883:9): [True: 610, False: 0]
  |  Branch (1883:9): [True: 610, False: 0]
  ------------------
 1884|    610|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|    610|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|    610|    }
 1887|    931|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_12null_sub_posERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSE_IT_EEOT0_OT1_OT2_:
 1823|    723|{
 1824|    723|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|    723|    plan.fill(lpos, cpos, rpos);
 1826|    723|    plan.shuffle(cpos.shift());
 1827|    723|    IMMER_TRY {
  ------------------
  |  |   49|    723|#define IMMER_TRY try
  ------------------
 1828|    723|        return plan.merge(lpos, cpos, rpos);
 1829|    723|    }
 1830|    723|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|    723|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_8full_posISH_EEEEvOT_OT0_OT1_:
 1752|    723|    {
 1753|    723|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 723, False: 0]
  ------------------
 1754|    723|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 723, False: 0]
  ------------------
 1755|    723|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|    723|        lpos.each_left_sub(visitor_t{}, *this);
 1757|    723|        cpos.each_sub(visitor_t{}, *this);
 1758|    723|        rpos.each_right_sub(visitor_t{}, *this);
 1759|    723|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|  4.73M|    {
 1734|  4.73M|        auto count = p.count();
 1735|  4.73M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 4.73M, False: 0]
  ------------------
 1736|  4.73M|        plan.counts[plan.n++] = count;
 1737|  4.73M|        plan.total += count;
 1738|  4.73M|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|   537k|    {
 1734|   537k|        auto count = p.count();
 1735|   537k|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 537k, False: 0]
  ------------------
 1736|   537k|        plan.counts[plan.n++] = count;
 1737|   537k|        plan.total += count;
 1738|   537k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_8full_posISH_EEEENS7_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|    723|    {
 1803|    723|        using node_t    = node_type<CPos>;
 1804|    723|        using merger_t  = concat_merger<node_t>;
 1805|    723|        using visitor_t = concat_merger_visitor;
 1806|    723|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|    723|        IMMER_TRY {
  ------------------
  |  |   49|    723|#define IMMER_TRY try
  ------------------
 1808|    723|            lpos.each_left_sub(visitor_t{}, merger);
 1809|    723|            cpos.each_sub(visitor_t{}, merger);
 1810|    723|            rpos.each_right_sub(visitor_t{}, merger);
 1811|    723|            cpos.each_sub(dec_visitor{});
 1812|    723|            return merger.finish();
 1813|    723|        }
 1814|    723|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|    723|    }
_ZN5immer6detail4rbts21concat_merger_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1721|  4.73M|    {
 1722|  4.73M|        merger.merge_leaf(p);
 1723|  4.73M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10merge_leafIRNS1_13full_leaf_posISC_EEEEvOT_:
 1614|  4.73M|    {
 1615|  4.73M|        auto from       = p.node();
 1616|  4.73M|        auto from_size  = p.size();
 1617|  4.73M|        auto from_count = p.count();
 1618|  4.73M|        assert(from_size);
  ------------------
  |  Branch (1618:9): [True: 4.73M, False: 0]
  ------------------
 1619|  4.73M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1619:13): [True: 4.73M, False: 0]
  |  Branch (1619:21): [True: 4.73M, False: 0]
  ------------------
 1620|  4.73M|            add_child(from, from_size);
 1621|  4.73M|            from->inc();
 1622|  4.73M|        } else {
 1623|      0|            auto from_offset = count_t{};
 1624|      0|            auto from_data   = from->leaf();
 1625|      0|            do {
 1626|      0|                if (!to_) {
  ------------------
  |  Branch (1626:21): [True: 0, False: 0]
  ------------------
 1627|      0|                    to_        = node_t::make_leaf_n(*curr_);
 1628|      0|                    to_offset_ = 0;
 1629|      0|                }
 1630|      0|                auto data = to_->leaf();
 1631|      0|                auto to_copy =
 1632|      0|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1633|      0|                detail::uninitialized_copy(from_data + from_offset,
 1634|      0|                                           from_data + from_offset + to_copy,
 1635|      0|                                           data + to_offset_);
 1636|      0|                to_offset_ += to_copy;
 1637|      0|                from_offset += to_copy;
 1638|      0|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1638:21): [True: 0, False: 0]
  ------------------
 1639|      0|                    add_child(to_, to_offset_);
 1640|      0|                    to_ = nullptr;
 1641|      0|                }
 1642|      0|            } while (from_offset != from_count);
  ------------------
  |  Branch (1642:22): [True: 0, False: 0]
  ------------------
 1643|      0|        }
 1644|  4.73M|    }
_ZN5immer6detail4rbts21concat_merger_visitor11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1715|   537k|    {
 1716|   537k|        merger.merge_inner(p);
 1717|   537k|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11merge_innerIRNS1_8full_posISC_EEEEvOT_:
 1648|   537k|    {
 1649|   537k|        auto from       = p.node();
 1650|   537k|        auto from_size  = p.size();
 1651|   537k|        auto from_count = p.count();
 1652|   537k|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 537k, False: 0]
  ------------------
 1653|   537k|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 537k, False: 0]
  |  Branch (1653:21): [True: 537k, False: 0]
  ------------------
 1654|   537k|            add_child(from, from_size);
 1655|   537k|            from->inc();
 1656|   537k|        } else {
 1657|      0|            auto from_offset = count_t{};
 1658|      0|            auto from_data   = from->inner();
 1659|      0|            do {
 1660|      0|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 0, False: 0]
  ------------------
 1661|      0|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|      0|                    to_offset_ = 0;
 1663|      0|                    to_size_   = 0;
 1664|      0|                }
 1665|      0|                auto data = to_->inner();
 1666|      0|                auto to_copy =
 1667|      0|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|      0|                std::copy(from_data + from_offset,
 1669|      0|                          from_data + from_offset + to_copy,
 1670|      0|                          data + to_offset_);
 1671|      0|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|      0|                auto sizes = to_->relaxed()->d.sizes;
 1673|      0|                p.copy_sizes(
 1674|      0|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|      0|                to_offset_ += to_copy;
 1676|      0|                from_offset += to_copy;
 1677|      0|                to_size_ = sizes[to_offset_ - 1];
 1678|      0|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 0, False: 0]
  ------------------
 1679|      0|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 0, False: 0]
  ------------------
 1680|      0|                    to_->relaxed()->d.count = to_offset_;
 1681|      0|                    add_child(to_, to_size_);
 1682|      0|                    to_ = nullptr;
 1683|      0|                }
 1684|      0|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 0, False: 0]
  ------------------
 1685|      0|        }
 1686|   537k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|    610|    {
 1945|    610|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|    610|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EERNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|  2.43k|    {
 1925|  2.43k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|  2.43k|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_13full_leaf_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|  2.43k|{
 1839|  2.43k|    static_assert(Node::bits >= 2, "");
 1840|  2.43k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 2.43k, False: 0]
  ------------------
 1841|  2.43k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 2.43k, False: 0]
  ------------------
 1842|  2.43k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 2.43k, False: 0]
  ------------------
 1843|  2.43k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 0, False: 2.43k]
  ------------------
 1844|      0|        return {
 1845|      0|            Node::bits_leaf,
 1846|      0|            lpos.node()->inc(),
 1847|      0|            lpos.count(),
 1848|      0|            tpos.node()->inc(),
 1849|      0|            tpos.count(),
 1850|      0|            rpos.node()->inc(),
 1851|      0|            rpos.count(),
 1852|      0|        };
 1853|  2.43k|    else
 1854|  2.43k|        return {
 1855|  2.43k|            Node::bits_leaf,
 1856|  2.43k|            lpos.node()->inc(),
 1857|  2.43k|            lpos.count(),
 1858|  2.43k|            rpos.node()->inc(),
 1859|  2.43k|            rpos.count(),
 1860|  2.43k|        };
 1861|  2.43k|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|    610|{
 1824|    610|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|    610|    plan.fill(lpos, cpos, rpos);
 1826|    610|    plan.shuffle(cpos.shift());
 1827|    610|    IMMER_TRY {
  ------------------
  |  |   49|    610|#define IMMER_TRY try
  ------------------
 1828|    610|        return plan.merge(lpos, cpos, rpos);
 1829|    610|    }
 1830|    610|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|    610|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEEvOT_OT0_OT1_:
 1752|    610|    {
 1753|    610|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 610, False: 0]
  ------------------
 1754|    610|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 610, False: 0]
  ------------------
 1755|    610|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|    610|        lpos.each_left_sub(visitor_t{}, *this);
 1757|    610|        cpos.each_sub(visitor_t{}, *this);
 1758|    610|        rpos.each_right_sub(visitor_t{}, *this);
 1759|    610|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|    610|    {
 1803|    610|        using node_t    = node_type<CPos>;
 1804|    610|        using merger_t  = concat_merger<node_t>;
 1805|    610|        using visitor_t = concat_merger_visitor;
 1806|    610|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|    610|        IMMER_TRY {
  ------------------
  |  |   49|    610|#define IMMER_TRY try
  ------------------
 1808|    610|            lpos.each_left_sub(visitor_t{}, merger);
 1809|    610|            cpos.each_sub(visitor_t{}, merger);
 1810|    610|            rpos.each_right_sub(visitor_t{}, merger);
 1811|    610|            cpos.each_sub(dec_visitor{});
 1812|    610|            return merger.finish();
 1813|    610|        }
 1814|    610|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|    610|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_12null_sub_posERNS1_17concat_center_posISC_EERNS1_15regular_sub_posISC_EEEENSE_IT_EEOT0_OT1_OT2_:
 1823|  1.58k|{
 1824|  1.58k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.58k|    plan.fill(lpos, cpos, rpos);
 1826|  1.58k|    plan.shuffle(cpos.shift());
 1827|  1.58k|    IMMER_TRY {
  ------------------
  |  |   49|  1.58k|#define IMMER_TRY try
  ------------------
 1828|  1.58k|        return plan.merge(lpos, cpos, rpos);
 1829|  1.58k|    }
 1830|  1.58k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.58k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISH_EEEEvOT_OT0_OT1_:
 1752|  1.58k|    {
 1753|  1.58k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.58k, False: 0]
  ------------------
 1754|  1.58k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.58k, False: 0]
  ------------------
 1755|  1.58k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.58k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.58k|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.58k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.58k|    }
_ZN5immer6detail4rbts34concat_rebalance_plan_fill_visitor10visit_nodeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21concat_rebalance_planILj3ELj3EEEEEvOT_RT0_:
 1733|  3.55M|    {
 1734|  3.55M|        auto count = p.count();
 1735|  3.55M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 3.55M, False: 0]
  ------------------
 1736|  3.55M|        plan.counts[plan.n++] = count;
 1737|  3.55M|        plan.total += count;
 1738|  3.55M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISH_EEEENS7_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|  1.58k|    {
 1803|  1.58k|        using node_t    = node_type<CPos>;
 1804|  1.58k|        using merger_t  = concat_merger<node_t>;
 1805|  1.58k|        using visitor_t = concat_merger_visitor;
 1806|  1.58k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.58k|        IMMER_TRY {
  ------------------
  |  |   49|  1.58k|#define IMMER_TRY try
  ------------------
 1808|  1.58k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.58k|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.58k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.58k|            cpos.each_sub(dec_visitor{});
 1812|  1.58k|            return merger.finish();
 1813|  1.58k|        }
 1814|  1.58k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.58k|    }
_ZN5immer6detail4rbts21concat_merger_visitor11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_13concat_mergerISE_EEEEvOT_RT0_:
 1715|  3.55M|    {
 1716|  3.55M|        merger.merge_inner(p);
 1717|  3.55M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11merge_innerIRNS1_15regular_sub_posISC_EEEEvOT_:
 1648|  3.55M|    {
 1649|  3.55M|        auto from       = p.node();
 1650|  3.55M|        auto from_size  = p.size();
 1651|  3.55M|        auto from_count = p.count();
 1652|  3.55M|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 3.55M, False: 0]
  ------------------
 1653|  3.55M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 1.97M, False: 1.57M]
  |  Branch (1653:21): [True: 1.97M, False: 0]
  ------------------
 1654|  1.97M|            add_child(from, from_size);
 1655|  1.97M|            from->inc();
 1656|  1.97M|        } else {
 1657|  1.57M|            auto from_offset = count_t{};
 1658|  1.57M|            auto from_data   = from->inner();
 1659|  3.15M|            do {
 1660|  3.15M|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 1.57M, False: 1.57M]
  ------------------
 1661|  1.57M|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|  1.57M|                    to_offset_ = 0;
 1663|  1.57M|                    to_size_   = 0;
 1664|  1.57M|                }
 1665|  3.15M|                auto data = to_->inner();
 1666|  3.15M|                auto to_copy =
 1667|  3.15M|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|  3.15M|                std::copy(from_data + from_offset,
 1669|  3.15M|                          from_data + from_offset + to_copy,
 1670|  3.15M|                          data + to_offset_);
 1671|  3.15M|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|  3.15M|                auto sizes = to_->relaxed()->d.sizes;
 1673|  3.15M|                p.copy_sizes(
 1674|  3.15M|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|  3.15M|                to_offset_ += to_copy;
 1676|  3.15M|                from_offset += to_copy;
 1677|  3.15M|                to_size_ = sizes[to_offset_ - 1];
 1678|  3.15M|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 3.15M, False: 0]
  ------------------
 1679|  3.15M|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 1.57M, False: 1.57M]
  ------------------
 1680|  1.57M|                    to_->relaxed()->d.count = to_offset_;
 1681|  1.57M|                    add_child(to_, to_size_);
 1682|  1.57M|                    to_ = nullptr;
 1683|  1.57M|                }
 1684|  3.15M|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 1.57M, False: 1.57M]
  ------------------
 1685|  1.57M|        }
 1686|  3.55M|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|  1.82k|    {
 1945|  1.82k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  1.82k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EESH_RNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|  4.83k|    {
 1925|  4.83k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|  4.83k|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|  4.83k|{
 1839|  4.83k|    static_assert(Node::bits >= 2, "");
 1840|  4.83k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 4.83k, False: 0]
  ------------------
 1841|  4.83k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 4.83k, False: 0]
  ------------------
 1842|  4.83k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 4.83k, False: 0]
  ------------------
 1843|  4.83k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 0, False: 4.83k]
  ------------------
 1844|      0|        return {
 1845|      0|            Node::bits_leaf,
 1846|      0|            lpos.node()->inc(),
 1847|      0|            lpos.count(),
 1848|      0|            tpos.node()->inc(),
 1849|      0|            tpos.count(),
 1850|      0|            rpos.node()->inc(),
 1851|      0|            rpos.count(),
 1852|      0|        };
 1853|  4.83k|    else
 1854|  4.83k|        return {
 1855|  4.83k|            Node::bits_leaf,
 1856|  4.83k|            lpos.node()->inc(),
 1857|  4.83k|            lpos.count(),
 1858|  4.83k|            rpos.node()->inc(),
 1859|  4.83k|            rpos.count(),
 1860|  4.83k|        };
 1861|  4.83k|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_15regular_sub_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  1.82k|{
 1824|  1.82k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.82k|    plan.fill(lpos, cpos, rpos);
 1826|  1.82k|    plan.shuffle(cpos.shift());
 1827|  1.82k|    IMMER_TRY {
  ------------------
  |  |   49|  1.82k|#define IMMER_TRY try
  ------------------
 1828|  1.82k|        return plan.merge(lpos, cpos, rpos);
 1829|  1.82k|    }
 1830|  1.82k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.82k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEEvOT_OT0_OT1_:
 1752|  1.82k|    {
 1753|  1.82k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.82k, False: 0]
  ------------------
 1754|  1.82k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.82k, False: 0]
  ------------------
 1755|  1.82k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.82k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.82k|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.82k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.82k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  1.82k|    {
 1803|  1.82k|        using node_t    = node_type<CPos>;
 1804|  1.82k|        using merger_t  = concat_merger<node_t>;
 1805|  1.82k|        using visitor_t = concat_merger_visitor;
 1806|  1.82k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.82k|        IMMER_TRY {
  ------------------
  |  |   49|  1.82k|#define IMMER_TRY try
  ------------------
 1808|  1.82k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.82k|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.82k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.82k|            cpos.each_sub(dec_visitor{});
 1812|  1.82k|            return merger.finish();
 1813|  1.82k|        }
 1814|  1.82k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.82k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_12null_sub_posERNS1_17concat_center_posISC_EERNS1_11relaxed_posISC_EEEENSE_IT_EEOT0_OT1_OT2_:
 1823|  57.1k|{
 1824|  57.1k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  57.1k|    plan.fill(lpos, cpos, rpos);
 1826|  57.1k|    plan.shuffle(cpos.shift());
 1827|  57.1k|    IMMER_TRY {
  ------------------
  |  |   49|  57.1k|#define IMMER_TRY try
  ------------------
 1828|  57.1k|        return plan.merge(lpos, cpos, rpos);
 1829|  57.1k|    }
 1830|  57.1k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  57.1k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISH_EEEEvOT_OT0_OT1_:
 1752|  57.1k|    {
 1753|  57.1k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 57.1k, False: 0]
  ------------------
 1754|  57.1k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 57.1k, False: 0]
  ------------------
 1755|  57.1k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  57.1k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  57.1k|        cpos.each_sub(visitor_t{}, *this);
 1758|  57.1k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  57.1k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_12null_sub_posERNS1_17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISH_EEEENS7_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|  57.1k|    {
 1803|  57.1k|        using node_t    = node_type<CPos>;
 1804|  57.1k|        using merger_t  = concat_merger<node_t>;
 1805|  57.1k|        using visitor_t = concat_merger_visitor;
 1806|  57.1k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  57.1k|        IMMER_TRY {
  ------------------
  |  |   49|  57.1k|#define IMMER_TRY try
  ------------------
 1808|  57.1k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  57.1k|            cpos.each_sub(visitor_t{}, merger);
 1810|  57.1k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  57.1k|            cpos.each_sub(dec_visitor{});
 1812|  57.1k|            return merger.finish();
 1813|  57.1k|        }
 1814|  57.1k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  57.1k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|  4.83k|    {
 1945|  4.83k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  4.83k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_25singleton_regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_11relaxed_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  4.83k|{
 1824|  4.83k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  4.83k|    plan.fill(lpos, cpos, rpos);
 1826|  4.83k|    plan.shuffle(cpos.shift());
 1827|  4.83k|    IMMER_TRY {
  ------------------
  |  |   49|  4.83k|#define IMMER_TRY try
  ------------------
 1828|  4.83k|        return plan.merge(lpos, cpos, rpos);
 1829|  4.83k|    }
 1830|  4.83k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  4.83k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEEvOT_OT0_OT1_:
 1752|  4.83k|    {
 1753|  4.83k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 4.83k, False: 0]
  ------------------
 1754|  4.83k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 4.83k, False: 0]
  ------------------
 1755|  4.83k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  4.83k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  4.83k|        cpos.each_sub(visitor_t{}, *this);
 1758|  4.83k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  4.83k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  4.83k|    {
 1803|  4.83k|        using node_t    = node_type<CPos>;
 1804|  4.83k|        using merger_t  = concat_merger<node_t>;
 1805|  4.83k|        using visitor_t = concat_merger_visitor;
 1806|  4.83k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  4.83k|        IMMER_TRY {
  ------------------
  |  |   49|  4.83k|#define IMMER_TRY try
  ------------------
 1808|  4.83k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  4.83k|            cpos.each_sub(visitor_t{}, merger);
 1810|  4.83k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  4.83k|            cpos.each_sub(dec_visitor{});
 1812|  4.83k|            return merger.finish();
 1813|  4.83k|        }
 1814|  4.83k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  4.83k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EERNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  2.15k|    {
 1959|  2.15k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  2.15k|    }
_ZNO5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7realizeEv:
 1527|  1.00M|    {
 1528|  1.00M|        if (count_ > 1) {
  ------------------
  |  Branch (1528:13): [True: 47.6k, False: 958k]
  ------------------
 1529|  47.6k|            IMMER_TRY {
  ------------------
  |  |   49|  47.6k|#define IMMER_TRY try
  ------------------
 1530|  47.6k|                auto result = node_t::make_inner_r_n(count_);
 1531|  47.6k|                auto r      = result->relaxed();
 1532|  47.6k|                r->d.count  = count_;
 1533|  47.6k|                std::copy(nodes_, nodes_ + count_, result->inner());
 1534|  47.6k|                std::copy(sizes_, sizes_ + count_, r->d.sizes);
 1535|  47.6k|                return {result, shift_, r};
 1536|  47.6k|            }
 1537|  47.6k|            IMMER_CATCH (...) {
 1538|      0|                each_sub(dec_visitor{});
 1539|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1540|      0|            }
 1541|   958k|        } else {
 1542|   958k|            assert(shift_ >= B + BL);
  ------------------
  |  Branch (1542:13): [True: 958k, False: 0]
  ------------------
 1543|   958k|            return {nodes_[0], shift_ - B, nodes_[0]->relaxed()};
 1544|   958k|        }
 1545|  1.00M|    }
_ZN5immer6detail4rbts12concat_treesINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11relaxed_posIT_EEPSE_jmSG_jSG_jm:
 1986|   999k|{
 1987|   999k|    return visit_maybe_relaxed_sub(lroot,
 1988|   999k|                                   lshift,
 1989|   999k|                                   lsize,
 1990|   999k|                                   concat_trees_left_visitor<Node>{},
 1991|   999k|                                   make_leaf_pos(ltail, ltcount),
 1992|   999k|                                   rroot,
 1993|   999k|                                   rshift,
 1994|   999k|                                   rsize)
 1995|   999k|        .realize();
 1996|   999k|}
_ZN5immer6detail4rbts25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EENS1_8leaf_posISC_EEJRPSC_RjRmEEENS1_17concat_center_posISC_EEOT_OT0_DpOT1_:
 1971|   982k|    {
 1972|   982k|        return visit_maybe_relaxed_sub(
 1973|   982k|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|   982k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|   975k|    {
 1959|   975k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|   975k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  10.6M|{
 1873|  10.6M|    auto lshift = lpos.shift();
 1874|  10.6M|    auto rshift = rpos.shift();
 1875|  10.6M|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 2.96M, False: 7.70M]
  ------------------
 1876|  2.96M|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  2.96M|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  7.70M|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 32.7k, False: 7.67M]
  ------------------
 1879|  32.7k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  32.7k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  7.67M|    } else {
 1882|  7.67M|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 7.67M, False: 0]
  ------------------
 1883|  7.67M|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 7.67M]
  |  Branch (1883:9): [True: 7.67M, False: 0]
  |  Branch (1883:9): [True: 7.67M, False: 0]
  ------------------
 1884|  7.67M|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  7.67M|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  7.67M|    }
 1887|  10.6M|}
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  2.96M|    {
 1898|  2.96M|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  2.96M|    }
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  4.10k|    {
 1898|  4.10k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  4.10k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  1.15M|{
 1873|  1.15M|    auto lshift = lpos.shift();
 1874|  1.15M|    auto rshift = rpos.shift();
 1875|  1.15M|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 2.13k, False: 1.15M]
  ------------------
 1876|  2.13k|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  2.13k|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  1.15M|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 7.48k, False: 1.14M]
  ------------------
 1879|  7.48k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  7.48k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  1.14M|    } else {
 1882|  1.14M|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 1.14M, False: 0]
  ------------------
 1883|  1.14M|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 1.14M]
  |  Branch (1883:9): [True: 1.14M, False: 0]
  |  Branch (1883:9): [True: 1.14M, False: 0]
  ------------------
 1884|  1.14M|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  1.14M|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  1.14M|    }
 1887|  1.15M|}
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EENS1_12null_sub_posEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  3.01k|{
 1824|  3.01k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  3.01k|    plan.fill(lpos, cpos, rpos);
 1826|  3.01k|    plan.shuffle(cpos.shift());
 1827|  3.01k|    IMMER_TRY {
  ------------------
  |  |   49|  3.01k|#define IMMER_TRY try
  ------------------
 1828|  3.01k|        return plan.merge(lpos, cpos, rpos);
 1829|  3.01k|    }
 1830|  3.01k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  3.01k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEEvOT_OT0_OT1_:
 1752|  3.01k|    {
 1753|  3.01k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 3.01k, False: 0]
  ------------------
 1754|  3.01k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 3.01k, False: 0]
  ------------------
 1755|  3.01k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  3.01k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  3.01k|        cpos.each_sub(visitor_t{}, *this);
 1758|  3.01k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  3.01k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|  3.01k|    {
 1803|  3.01k|        using node_t    = node_type<CPos>;
 1804|  3.01k|        using merger_t  = concat_merger<node_t>;
 1805|  3.01k|        using visitor_t = concat_merger_visitor;
 1806|  3.01k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  3.01k|        IMMER_TRY {
  ------------------
  |  |   49|  3.01k|#define IMMER_TRY try
  ------------------
 1808|  3.01k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  3.01k|            cpos.each_sub(visitor_t{}, merger);
 1810|  3.01k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  3.01k|            cpos.each_sub(dec_visitor{});
 1812|  3.01k|            return merger.finish();
 1813|  3.01k|        }
 1814|  3.01k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  3.01k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  1.14M|    {
 1918|  1.14M|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  1.14M|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|   302k|    {
 1918|   302k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|   302k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|   313k|{
 1873|   313k|    auto lshift = lpos.shift();
 1874|   313k|    auto rshift = rpos.shift();
 1875|   313k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 883, False: 312k]
  ------------------
 1876|    883|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|    883|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|   312k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 337, False: 312k]
  ------------------
 1879|    337|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    337|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|   312k|    } else {
 1882|   312k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 312k, False: 0]
  ------------------
 1883|   312k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 312k]
  |  Branch (1883:9): [True: 312k, False: 0]
  |  Branch (1883:9): [True: 312k, False: 0]
  ------------------
 1884|   312k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|   312k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|   312k|    }
 1887|   313k|}
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  1.28k|    {
 1898|  1.28k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  1.28k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_8full_posISC_EERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  18.3k|    {
 1918|  18.3k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  18.3k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  18.3k|{
 1873|  18.3k|    auto lshift = lpos.shift();
 1874|  18.3k|    auto rshift = rpos.shift();
 1875|  18.3k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 18.3k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  18.3k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 204, False: 18.1k]
  ------------------
 1879|    204|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    204|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  18.1k|    } else {
 1882|  18.1k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 18.1k, False: 0]
  ------------------
 1883|  18.1k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 18.1k]
  |  Branch (1883:9): [True: 18.1k, False: 0]
  |  Branch (1883:9): [True: 18.1k, False: 0]
  ------------------
 1884|  18.1k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  18.1k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  18.1k|    }
 1887|  18.3k|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|  12.8k|    {
 1945|  12.8k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  12.8k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EERNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|   320k|    {
 1925|   320k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|   320k|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_13full_leaf_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|   320k|{
 1839|   320k|    static_assert(Node::bits >= 2, "");
 1840|   320k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 320k, False: 0]
  ------------------
 1841|   320k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 320k, False: 0]
  ------------------
 1842|   320k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 320k, False: 0]
  ------------------
 1843|   320k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 320k, False: 0]
  ------------------
 1844|   320k|        return {
 1845|   320k|            Node::bits_leaf,
 1846|   320k|            lpos.node()->inc(),
 1847|   320k|            lpos.count(),
 1848|   320k|            tpos.node()->inc(),
 1849|   320k|            tpos.count(),
 1850|   320k|            rpos.node()->inc(),
 1851|   320k|            rpos.count(),
 1852|   320k|        };
 1853|      0|    else
 1854|      0|        return {
 1855|      0|            Node::bits_leaf,
 1856|      0|            lpos.node()->inc(),
 1857|      0|            lpos.count(),
 1858|      0|            rpos.node()->inc(),
 1859|      0|            rpos.count(),
 1860|      0|        };
 1861|   320k|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  7.12k|    {
 1938|  7.12k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  7.12k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  18.1k|{
 1824|  18.1k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  18.1k|    plan.fill(lpos, cpos, rpos);
 1826|  18.1k|    plan.shuffle(cpos.shift());
 1827|  18.1k|    IMMER_TRY {
  ------------------
  |  |   49|  18.1k|#define IMMER_TRY try
  ------------------
 1828|  18.1k|        return plan.merge(lpos, cpos, rpos);
 1829|  18.1k|    }
 1830|  18.1k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  18.1k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEEvOT_OT0_OT1_:
 1752|  18.1k|    {
 1753|  18.1k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 18.1k, False: 0]
  ------------------
 1754|  18.1k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 18.1k, False: 0]
  ------------------
 1755|  18.1k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  18.1k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  18.1k|        cpos.each_sub(visitor_t{}, *this);
 1758|  18.1k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  18.1k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  18.1k|    {
 1803|  18.1k|        using node_t    = node_type<CPos>;
 1804|  18.1k|        using merger_t  = concat_merger<node_t>;
 1805|  18.1k|        using visitor_t = concat_merger_visitor;
 1806|  18.1k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  18.1k|        IMMER_TRY {
  ------------------
  |  |   49|  18.1k|#define IMMER_TRY try
  ------------------
 1808|  18.1k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  18.1k|            cpos.each_sub(visitor_t{}, merger);
 1810|  18.1k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  18.1k|            cpos.each_sub(dec_visitor{});
 1812|  18.1k|            return merger.finish();
 1813|  18.1k|        }
 1814|  18.1k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  18.1k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|   307k|    {
 1945|   307k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|   307k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1924|   678k|    {
 1925|   678k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|   678k|    }
_ZN5immer6detail4rbts12concat_leafsINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EESF_EENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1838|   678k|{
 1839|   678k|    static_assert(Node::bits >= 2, "");
 1840|   678k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 678k, False: 0]
  ------------------
 1841|   678k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 678k, False: 0]
  ------------------
 1842|   678k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 678k, False: 0]
  ------------------
 1843|   678k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 678k, False: 0]
  ------------------
 1844|   678k|        return {
 1845|   678k|            Node::bits_leaf,
 1846|   678k|            lpos.node()->inc(),
 1847|   678k|            lpos.count(),
 1848|   678k|            tpos.node()->inc(),
 1849|   678k|            tpos.count(),
 1850|   678k|            rpos.node()->inc(),
 1851|   678k|            rpos.count(),
 1852|   678k|        };
 1853|      0|    else
 1854|      0|        return {
 1855|      0|            Node::bits_leaf,
 1856|      0|            lpos.node()->inc(),
 1857|      0|            lpos.count(),
 1858|      0|            rpos.node()->inc(),
 1859|      0|            rpos.count(),
 1860|      0|        };
 1861|   678k|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  10.7k|    {
 1938|  10.7k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  10.7k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EESF_EENSG_IT_EEOT0_OT1_OT2_:
 1823|   312k|{
 1824|   312k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|   312k|    plan.fill(lpos, cpos, rpos);
 1826|   312k|    plan.shuffle(cpos.shift());
 1827|   312k|    IMMER_TRY {
  ------------------
  |  |   49|   312k|#define IMMER_TRY try
  ------------------
 1828|   312k|        return plan.merge(lpos, cpos, rpos);
 1829|   312k|    }
 1830|   312k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|   312k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EEvOT_OT0_OT1_:
 1752|   312k|    {
 1753|   312k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 312k, False: 0]
  ------------------
 1754|   312k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 312k, False: 0]
  ------------------
 1755|   312k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|   312k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|   312k|        cpos.each_sub(visitor_t{}, *this);
 1758|   312k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|   312k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSN_OT1_:
 1802|   312k|    {
 1803|   312k|        using node_t    = node_type<CPos>;
 1804|   312k|        using merger_t  = concat_merger<node_t>;
 1805|   312k|        using visitor_t = concat_merger_visitor;
 1806|   312k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|   312k|        IMMER_TRY {
  ------------------
  |  |   49|   312k|#define IMMER_TRY try
  ------------------
 1808|   312k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|   312k|            cpos.each_sub(visitor_t{}, merger);
 1810|   312k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|   312k|            cpos.each_sub(dec_visitor{});
 1812|   312k|            return merger.finish();
 1813|   312k|        }
 1814|   312k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|   312k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1944|   678k|    {
 1945|   678k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|   678k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  1.43M|    {
 1938|  1.43M|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  1.43M|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_15regular_sub_posISC_EERNS1_17concat_center_posISC_EERNS1_11relaxed_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  1.14M|{
 1824|  1.14M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.14M|    plan.fill(lpos, cpos, rpos);
 1826|  1.14M|    plan.shuffle(cpos.shift());
 1827|  1.14M|    IMMER_TRY {
  ------------------
  |  |   49|  1.14M|#define IMMER_TRY try
  ------------------
 1828|  1.14M|        return plan.merge(lpos, cpos, rpos);
 1829|  1.14M|    }
 1830|  1.14M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.14M|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEEvOT_OT0_OT1_:
 1752|  1.14M|    {
 1753|  1.14M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.14M, False: 0]
  ------------------
 1754|  1.14M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.14M, False: 0]
  ------------------
 1755|  1.14M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.14M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.14M|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.14M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.14M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_11relaxed_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  1.14M|    {
 1803|  1.14M|        using node_t    = node_type<CPos>;
 1804|  1.14M|        using merger_t  = concat_merger<node_t>;
 1805|  1.14M|        using visitor_t = concat_merger_visitor;
 1806|  1.14M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.14M|        IMMER_TRY {
  ------------------
  |  |   49|  1.14M|#define IMMER_TRY try
  ------------------
 1808|  1.14M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.14M|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.14M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.14M|            cpos.each_sub(dec_visitor{});
 1812|  1.14M|            return merger.finish();
 1813|  1.14M|        }
 1814|  1.14M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.14M|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EENS1_12null_sub_posEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  2.97M|{
 1824|  2.97M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  2.97M|    plan.fill(lpos, cpos, rpos);
 1826|  2.97M|    plan.shuffle(cpos.shift());
 1827|  2.97M|    IMMER_TRY {
  ------------------
  |  |   49|  2.97M|#define IMMER_TRY try
  ------------------
 1828|  2.97M|        return plan.merge(lpos, cpos, rpos);
 1829|  2.97M|    }
 1830|  2.97M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  2.97M|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEEvOT_OT0_OT1_:
 1752|  2.97M|    {
 1753|  2.97M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 2.97M, False: 0]
  ------------------
 1754|  2.97M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 2.97M, False: 0]
  ------------------
 1755|  2.97M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  2.97M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  2.97M|        cpos.each_sub(visitor_t{}, *this);
 1758|  2.97M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  2.97M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_12null_sub_posEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSP_OT1_:
 1802|  2.97M|    {
 1803|  2.97M|        using node_t    = node_type<CPos>;
 1804|  2.97M|        using merger_t  = concat_merger<node_t>;
 1805|  2.97M|        using visitor_t = concat_merger_visitor;
 1806|  2.97M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  2.97M|        IMMER_TRY {
  ------------------
  |  |   49|  2.97M|#define IMMER_TRY try
  ------------------
 1808|  2.97M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  2.97M|            cpos.each_sub(visitor_t{}, merger);
 1810|  2.97M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  2.97M|            cpos.each_sub(dec_visitor{});
 1812|  2.97M|            return merger.finish();
 1813|  2.97M|        }
 1814|  2.97M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  2.97M|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  6.73M|    {
 1918|  6.73M|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  6.73M|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_15regular_sub_posISC_EERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  1.29k|    {
 1918|  1.29k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  1.29k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  19.8k|{
 1873|  19.8k|    auto lshift = lpos.shift();
 1874|  19.8k|    auto rshift = rpos.shift();
 1875|  19.8k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 11.8k, False: 7.92k]
  ------------------
 1876|  11.8k|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  11.8k|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  11.8k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 635, False: 7.28k]
  ------------------
 1879|    635|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    635|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  7.28k|    } else {
 1882|  7.28k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 7.28k, False: 0]
  ------------------
 1883|  7.28k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 7.28k]
  |  Branch (1883:9): [True: 7.28k, False: 0]
  |  Branch (1883:9): [True: 7.28k, False: 0]
  ------------------
 1884|  7.28k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  7.28k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  7.28k|    }
 1887|  19.8k|}
_ZN5immer6detail4rbts19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1897|  11.4k|    {
 1898|  11.4k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  11.4k|    }
_ZN5immer6detail4rbts20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_8full_posISC_EERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1917|  3.75k|    {
 1918|  3.75k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  3.75k|    }
_ZN5immer6detail4rbts13concat_innersINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posIT_EEOT0_OT1_OT2_:
 1872|  3.75k|{
 1873|  3.75k|    auto lshift = lpos.shift();
 1874|  3.75k|    auto rshift = rpos.shift();
 1875|  3.75k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 3.75k]
  ------------------
 1876|      0|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|      0|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  3.75k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 198, False: 3.55k]
  ------------------
 1879|    198|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    198|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  3.55k|    } else {
 1882|  3.55k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 3.55k, False: 0]
  ------------------
 1883|  3.55k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 3.55k]
  |  Branch (1883:9): [True: 3.55k, False: 0]
  |  Branch (1883:9): [True: 3.55k, False: 0]
  ------------------
 1884|  3.55k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  3.55k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  3.55k|    }
 1887|  3.75k|}
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_8full_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  1.73k|    {
 1938|  1.73k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  1.73k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EERNS1_8full_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  3.55k|{
 1824|  3.55k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  3.55k|    plan.fill(lpos, cpos, rpos);
 1826|  3.55k|    plan.shuffle(cpos.shift());
 1827|  3.55k|    IMMER_TRY {
  ------------------
  |  |   49|  3.55k|#define IMMER_TRY try
  ------------------
 1828|  3.55k|        return plan.merge(lpos, cpos, rpos);
 1829|  3.55k|    }
 1830|  3.55k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  3.55k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEEvOT_OT0_OT1_:
 1752|  3.55k|    {
 1753|  3.55k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 3.55k, False: 0]
  ------------------
 1754|  3.55k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 3.55k, False: 0]
  ------------------
 1755|  3.55k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  3.55k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  3.55k|        cpos.each_sub(visitor_t{}, *this);
 1758|  3.55k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  3.55k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_8full_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  3.55k|    {
 1803|  3.55k|        using node_t    = node_type<CPos>;
 1804|  3.55k|        using merger_t  = concat_merger<node_t>;
 1805|  3.55k|        using visitor_t = concat_merger_visitor;
 1806|  3.55k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  3.55k|        IMMER_TRY {
  ------------------
  |  |   49|  3.55k|#define IMMER_TRY try
  ------------------
 1808|  3.55k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  3.55k|            cpos.each_sub(visitor_t{}, merger);
 1810|  3.55k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  3.55k|            cpos.each_sub(dec_visitor{});
 1812|  3.55k|            return merger.finish();
 1813|  3.55k|        }
 1814|  3.55k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  3.55k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  1.18k|    {
 1938|  1.18k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  1.18k|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EERNS1_15regular_sub_posISC_EEEENSG_IT_EEOT0_OT1_OT2_:
 1823|  7.28k|{
 1824|  7.28k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  7.28k|    plan.fill(lpos, cpos, rpos);
 1826|  7.28k|    plan.shuffle(cpos.shift());
 1827|  7.28k|    IMMER_TRY {
  ------------------
  |  |   49|  7.28k|#define IMMER_TRY try
  ------------------
 1828|  7.28k|        return plan.merge(lpos, cpos, rpos);
 1829|  7.28k|    }
 1830|  7.28k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  7.28k|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEEvOT_OT0_OT1_:
 1752|  7.28k|    {
 1753|  7.28k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 7.28k, False: 0]
  ------------------
 1754|  7.28k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 7.28k, False: 0]
  ------------------
 1755|  7.28k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  7.28k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  7.28k|        cpos.each_sub(visitor_t{}, *this);
 1758|  7.28k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  7.28k|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EERNS1_15regular_sub_posISF_EEEENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSQ_OT1_:
 1802|  7.28k|    {
 1803|  7.28k|        using node_t    = node_type<CPos>;
 1804|  7.28k|        using merger_t  = concat_merger<node_t>;
 1805|  7.28k|        using visitor_t = concat_merger_visitor;
 1806|  7.28k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  7.28k|        IMMER_TRY {
  ------------------
  |  |   49|  7.28k|#define IMMER_TRY try
  ------------------
 1808|  7.28k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  7.28k|            cpos.each_sub(visitor_t{}, merger);
 1810|  7.28k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  7.28k|            cpos.each_sub(dec_visitor{});
 1812|  7.28k|            return merger.finish();
 1813|  7.28k|        }
 1814|  7.28k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  7.28k|    }
_ZN5immer6detail4rbts19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11visit_innerIRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EESH_EENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1937|  6.70M|    {
 1938|  6.70M|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  6.70M|    }
_ZN5immer6detail4rbts16concat_rebalanceINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERNS1_11relaxed_posISC_EERNS1_17concat_center_posISC_EESF_EENSG_IT_EEOT0_OT1_OT2_:
 1823|  7.67M|{
 1824|  7.67M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  7.67M|    plan.fill(lpos, cpos, rpos);
 1826|  7.67M|    plan.shuffle(cpos.shift());
 1827|  7.67M|    IMMER_TRY {
  ------------------
  |  |   49|  7.67M|#define IMMER_TRY try
  ------------------
 1828|  7.67M|        return plan.merge(lpos, cpos, rpos);
 1829|  7.67M|    }
 1830|  7.67M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  7.67M|}
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE4fillIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EEvOT_OT0_OT1_:
 1752|  7.67M|    {
 1753|  7.67M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 7.67M, False: 0]
  ------------------
 1754|  7.67M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 7.67M, False: 0]
  ------------------
 1755|  7.67M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  7.67M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  7.67M|        cpos.each_sub(visitor_t{}, *this);
 1758|  7.67M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  7.67M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE5mergeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_17concat_center_posISF_EESH_EENSI_INSt3__15decayIT0_E4type6node_tEEEOT_OSN_OT1_:
 1802|  7.67M|    {
 1803|  7.67M|        using node_t    = node_type<CPos>;
 1804|  7.67M|        using merger_t  = concat_merger<node_t>;
 1805|  7.67M|        using visitor_t = concat_merger_visitor;
 1806|  7.67M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  7.67M|        IMMER_TRY {
  ------------------
  |  |   49|  7.67M|#define IMMER_TRY try
  ------------------
 1808|  7.67M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  7.67M|            cpos.each_sub(visitor_t{}, merger);
 1810|  7.67M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  7.67M|            cpos.each_sub(dec_visitor{});
 1812|  7.67M|            return merger.finish();
 1813|  7.67M|        }
 1814|  7.67M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  7.67M|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EERNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  7.03k|    {
 1959|  7.03k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  7.03k|    }
_ZN5immer6detail4rbts25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EENS1_8leaf_posISC_EEJRPSC_RjRmEEENS1_17concat_center_posISC_EEOT_OT0_DpOT1_:
 1971|  16.8k|    {
 1972|  16.8k|        return visit_maybe_relaxed_sub(
 1973|  16.8k|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  16.8k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_11relaxed_posISC_EERNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  6.59k|    {
 1959|  6.59k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  6.59k|    }
_ZN5immer6detail4rbts26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_nodeIRNS1_15regular_sub_posISC_EESH_RNS1_8leaf_posISC_EEEENS1_17concat_center_posISC_EEOT_OT0_OT1_:
 1958|  10.2k|    {
 1959|  10.2k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  10.2k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEEPSC_OT_NSA_5applyIS7_E4type4editESI_j:
  680|   172k|    {
  681|   172k|        auto node     = pos.node();
  682|   172k|        auto level    = pos.shift();
  683|   172k|        auto idx      = pos.count() - 1;
  684|   172k|        auto children = pos.size(idx);
  685|   172k|        auto new_idx =
  686|   172k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (686:13): [True: 2.70k, False: 169k]
  |  Branch (686:47): [True: 383, False: 169k]
  ------------------
  687|   172k|        auto new_child = static_cast<node_t*>(nullptr);
  688|   172k|        auto mutate    = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (688:26): [True: 172k, Folded]
  |  Branch (688:38): [True: 169k, False: 3.13k]
  ------------------
  689|       |
  690|   172k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (690:13): [True: 809, False: 171k]
  ------------------
  691|    809|            return nullptr;
  692|   171k|        else if (idx == new_idx) {
  ------------------
  |  Branch (692:18): [True: 169k, False: 2.28k]
  ------------------
  693|   169k|            new_child =
  694|   169k|                mutate ? pos.last_oh_csh(this_t{}, idx, children, e, tail, ts)
  ------------------
  |  Branch (694:17): [True: 166k, False: 2.59k]
  ------------------
  695|   169k|                       : pos.last_oh_csh(
  696|  2.59k|                             this_no_mut_t{}, idx, children, e, tail, ts);
  697|   169k|            if (!new_child) {
  ------------------
  |  Branch (697:17): [True: 1.09k, False: 168k]
  ------------------
  698|  1.09k|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (698:21): [True: 397, False: 694]
  ------------------
  699|    397|                    new_child = node_t::make_path_e(e, level - B, tail);
  700|    694|                else
  701|    694|                    return nullptr;
  702|  1.09k|            }
  703|   169k|        } else
  704|  2.28k|            new_child = node_t::make_path_e(e, level - B, tail);
  705|       |
  706|   171k|        if (mutate) {
  ------------------
  |  Branch (706:13): [True: 168k, False: 2.72k]
  ------------------
  707|   168k|            auto count             = new_idx + 1;
  708|   168k|            auto relaxed           = node->ensure_mutable_relaxed_n(e, new_idx);
  709|   168k|            node->inner()[new_idx] = new_child;
  710|   168k|            relaxed->d.sizes[new_idx] = pos.size() + ts;
  711|   168k|            relaxed->d.count          = count;
  712|   168k|            assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (712:13): [True: 168k, False: 0]
  ------------------
  713|   168k|            return node;
  714|   168k|        } else {
  715|  2.72k|            IMMER_TRY {
  ------------------
  |  |   49|  2.72k|#define IMMER_TRY try
  ------------------
  716|  2.72k|                auto count    = new_idx + 1;
  717|  2.72k|                auto new_node = node_t::copy_inner_r_e(e, pos.node(), new_idx);
  718|  2.72k|                auto relaxed  = new_node->relaxed();
  719|  2.72k|                new_node->inner()[new_idx] = new_child;
  720|  2.72k|                relaxed->d.sizes[new_idx]  = pos.size() + ts;
  721|  2.72k|                relaxed->d.count           = count;
  722|  2.72k|                assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (722:17): [True: 2.72k, False: 0]
  ------------------
  723|  2.72k|                if (Mutating)
  ------------------
  |  Branch (723:21): [True: 2.72k, Folded]
  ------------------
  724|  2.72k|                    pos.visit(dec_visitor{});
  725|  2.72k|                return new_node;
  726|  2.72k|            }
  727|  2.72k|            IMMER_CATCH (...) {
  728|      0|                auto shift = pos.shift();
  729|      0|                auto size  = new_idx == idx ? children + ts : ts;
  ------------------
  |  Branch (729:30): [True: 0, False: 0]
  ------------------
  730|      0|                if (shift > BL) {
  ------------------
  |  Branch (730:21): [True: 0, False: 0]
  ------------------
  731|      0|                    tail->inc();
  732|      0|                    dec_inner(new_child, shift - B, size);
  733|      0|                }
  734|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  735|      0|            }
  736|  2.72k|        }
  737|   171k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEJRjEEEPSC_OT_NSA_5applyIS7_E4type4editESJ_DpOT0_:
  741|   154k|    {
  742|   154k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 154k, False: 0]
  ------------------
  743|   154k|        auto node    = pos.node();
  744|   154k|        auto idx     = pos.index(pos.size() - 1);
  745|   154k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|   154k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 154k, Folded]
  |  Branch (746:36): [True: 153k, False: 1.05k]
  ------------------
  747|   154k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 153k, False: 1.05k]
  ------------------
  748|   153k|            node->inner()[new_idx] =
  749|   153k|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 150k, False: 2.71k]
  ------------------
  750|       |                               /* otherwise */
  751|   153k|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|   153k|            return node;
  753|   153k|        } else {
  754|  1.05k|            auto new_parent = node_t::make_inner_e(e);
  755|  1.05k|            IMMER_TRY {
  ------------------
  |  |   49|  1.05k|#define IMMER_TRY try
  ------------------
  756|  1.05k|                new_parent->inner()[new_idx] =
  757|  1.05k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 741, False: 311]
  ------------------
  758|  1.05k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  1.05k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  1.05k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  1.05k|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 1.05k, Folded]
  ------------------
  763|  1.05k|                    pos.visit(dec_visitor{});
  764|  1.05k|                return new_parent;
  765|  1.05k|            }
  766|  1.05k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  1.05k|        }
  771|   154k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_11regular_posISC_EEJEEEPSC_OT_NSA_5applyIS7_E4type4editESI_DpOT0_:
  741|  1.05M|    {
  742|  1.05M|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 1.05M, False: 0]
  ------------------
  743|  1.05M|        auto node    = pos.node();
  744|  1.05M|        auto idx     = pos.index(pos.size() - 1);
  745|  1.05M|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  1.05M|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 1.05M, Folded]
  |  Branch (746:36): [True: 1.04M, False: 1.77k]
  ------------------
  747|  1.05M|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 1.04M, False: 1.77k]
  ------------------
  748|  1.04M|            node->inner()[new_idx] =
  749|  1.04M|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 727k, False: 321k]
  ------------------
  750|       |                               /* otherwise */
  751|  1.04M|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|  1.04M|            return node;
  753|  1.04M|        } else {
  754|  1.77k|            auto new_parent = node_t::make_inner_e(e);
  755|  1.77k|            IMMER_TRY {
  ------------------
  |  |   49|  1.77k|#define IMMER_TRY try
  ------------------
  756|  1.77k|                new_parent->inner()[new_idx] =
  757|  1.77k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 1.11k, False: 655]
  ------------------
  758|  1.77k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  1.77k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  1.77k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  1.77k|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 1.77k, Folded]
  ------------------
  763|  1.77k|                    pos.visit(dec_visitor{});
  764|  1.77k|                return new_parent;
  765|  1.77k|            }
  766|  1.77k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  1.77k|        }
  771|  1.05M|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_11regular_posISC_EEJEEEPSC_OT_NSA_5applyIS7_E4type4editESI_DpOT0_:
  741|  4.70k|    {
  742|  4.70k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 4.70k, False: 0]
  ------------------
  743|  4.70k|        auto node    = pos.node();
  744|  4.70k|        auto idx     = pos.index(pos.size() - 1);
  745|  4.70k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  4.70k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [Folded, False: 4.70k]
  |  Branch (746:36): [True: 0, False: 0]
  ------------------
  747|  4.70k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 0, False: 4.70k]
  ------------------
  748|      0|            node->inner()[new_idx] =
  749|      0|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 0, False: 0]
  ------------------
  750|       |                               /* otherwise */
  751|      0|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|      0|            return node;
  753|  4.70k|        } else {
  754|  4.70k|            auto new_parent = node_t::make_inner_e(e);
  755|  4.70k|            IMMER_TRY {
  ------------------
  |  |   49|  4.70k|#define IMMER_TRY try
  ------------------
  756|  4.70k|                new_parent->inner()[new_idx] =
  757|  4.70k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 1.90k, False: 2.79k]
  ------------------
  758|  4.70k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  4.70k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  4.70k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  4.70k|                if (Mutating)
  ------------------
  |  Branch (762:21): [Folded, False: 4.70k]
  ------------------
  763|      0|                    pos.visit(dec_visitor{});
  764|  4.70k|                return new_parent;
  765|  4.70k|            }
  766|  4.70k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  4.70k|        }
  771|  4.70k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEEPSC_OT_NSA_5applyIS7_E4type4editESI_j:
  680|  7.41k|    {
  681|  7.41k|        auto node     = pos.node();
  682|  7.41k|        auto level    = pos.shift();
  683|  7.41k|        auto idx      = pos.count() - 1;
  684|  7.41k|        auto children = pos.size(idx);
  685|  7.41k|        auto new_idx =
  686|  7.41k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (686:13): [True: 806, False: 6.61k]
  |  Branch (686:47): [True: 670, False: 5.94k]
  ------------------
  687|  7.41k|        auto new_child = static_cast<node_t*>(nullptr);
  688|  7.41k|        auto mutate    = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (688:26): [Folded, False: 7.41k]
  |  Branch (688:38): [True: 0, False: 0]
  ------------------
  689|       |
  690|  7.41k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (690:13): [True: 710, False: 6.70k]
  ------------------
  691|    710|            return nullptr;
  692|  6.70k|        else if (idx == new_idx) {
  ------------------
  |  Branch (692:18): [True: 5.94k, False: 766]
  ------------------
  693|  5.94k|            new_child =
  694|  5.94k|                mutate ? pos.last_oh_csh(this_t{}, idx, children, e, tail, ts)
  ------------------
  |  Branch (694:17): [True: 0, False: 5.94k]
  ------------------
  695|  5.94k|                       : pos.last_oh_csh(
  696|  5.94k|                             this_no_mut_t{}, idx, children, e, tail, ts);
  697|  5.94k|            if (!new_child) {
  ------------------
  |  Branch (697:17): [True: 893, False: 5.04k]
  ------------------
  698|    893|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (698:21): [True: 394, False: 499]
  ------------------
  699|    394|                    new_child = node_t::make_path_e(e, level - B, tail);
  700|    499|                else
  701|    499|                    return nullptr;
  702|    893|            }
  703|  5.94k|        } else
  704|    766|            new_child = node_t::make_path_e(e, level - B, tail);
  705|       |
  706|  6.20k|        if (mutate) {
  ------------------
  |  Branch (706:13): [True: 0, False: 6.20k]
  ------------------
  707|      0|            auto count             = new_idx + 1;
  708|      0|            auto relaxed           = node->ensure_mutable_relaxed_n(e, new_idx);
  709|      0|            node->inner()[new_idx] = new_child;
  710|      0|            relaxed->d.sizes[new_idx] = pos.size() + ts;
  711|      0|            relaxed->d.count          = count;
  712|      0|            assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (712:13): [True: 0, False: 0]
  ------------------
  713|      0|            return node;
  714|  6.20k|        } else {
  715|  6.20k|            IMMER_TRY {
  ------------------
  |  |   49|  6.20k|#define IMMER_TRY try
  ------------------
  716|  6.20k|                auto count    = new_idx + 1;
  717|  6.20k|                auto new_node = node_t::copy_inner_r_e(e, pos.node(), new_idx);
  718|  6.20k|                auto relaxed  = new_node->relaxed();
  719|  6.20k|                new_node->inner()[new_idx] = new_child;
  720|  6.20k|                relaxed->d.sizes[new_idx]  = pos.size() + ts;
  721|  6.20k|                relaxed->d.count           = count;
  722|  6.20k|                assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (722:17): [True: 6.20k, False: 0]
  ------------------
  723|  6.20k|                if (Mutating)
  ------------------
  |  Branch (723:21): [Folded, False: 6.20k]
  ------------------
  724|      0|                    pos.visit(dec_visitor{});
  725|  6.20k|                return new_node;
  726|  6.20k|            }
  727|  6.20k|            IMMER_CATCH (...) {
  728|      0|                auto shift = pos.shift();
  729|      0|                auto size  = new_idx == idx ? children + ts : ts;
  ------------------
  |  Branch (729:30): [True: 0, False: 0]
  ------------------
  730|      0|                if (shift > BL) {
  ------------------
  |  Branch (730:21): [True: 0, False: 0]
  ------------------
  731|      0|                    tail->inc();
  732|      0|                    dec_inner(new_child, shift - B, size);
  733|      0|                }
  734|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  735|      0|            }
  736|  6.20k|        }
  737|  6.20k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEJRjEEEPSC_OT_NSA_5applyIS7_E4type4editESJ_DpOT0_:
  741|  1.12k|    {
  742|  1.12k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 1.12k, False: 0]
  ------------------
  743|  1.12k|        auto node    = pos.node();
  744|  1.12k|        auto idx     = pos.index(pos.size() - 1);
  745|  1.12k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  1.12k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [Folded, False: 1.12k]
  |  Branch (746:36): [True: 0, False: 0]
  ------------------
  747|  1.12k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 0, False: 1.12k]
  ------------------
  748|      0|            node->inner()[new_idx] =
  749|      0|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 0, False: 0]
  ------------------
  750|       |                               /* otherwise */
  751|      0|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|      0|            return node;
  753|  1.12k|        } else {
  754|  1.12k|            auto new_parent = node_t::make_inner_e(e);
  755|  1.12k|            IMMER_TRY {
  ------------------
  |  |   49|  1.12k|#define IMMER_TRY try
  ------------------
  756|  1.12k|                new_parent->inner()[new_idx] =
  757|  1.12k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 626, False: 497]
  ------------------
  758|  1.12k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  1.12k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  1.12k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  1.12k|                if (Mutating)
  ------------------
  |  Branch (762:21): [Folded, False: 1.12k]
  ------------------
  763|      0|                    pos.visit(dec_visitor{});
  764|  1.12k|                return new_parent;
  765|  1.12k|            }
  766|  1.12k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  1.12k|        }
  771|  1.12k|    }
_ZN5immer6detail4rbts21push_tail_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEJEEEPSC_OT_NSA_5applyIS7_E4type4editESI_DpOT0_:
  741|   181k|    {
  742|   181k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 181k, False: 0]
  ------------------
  743|   181k|        auto node    = pos.node();
  744|   181k|        auto idx     = pos.index(pos.size() - 1);
  745|   181k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|   181k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 181k, Folded]
  |  Branch (746:36): [True: 181k, False: 622]
  ------------------
  747|   181k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 181k, False: 622]
  ------------------
  748|   181k|            node->inner()[new_idx] =
  749|   181k|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 172k, False: 8.69k]
  ------------------
  750|       |                               /* otherwise */
  751|   181k|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|   181k|            return node;
  753|   181k|        } else {
  754|    622|            auto new_parent = node_t::make_inner_e(e);
  755|    622|            IMMER_TRY {
  ------------------
  |  |   49|    622|#define IMMER_TRY try
  ------------------
  756|    622|                new_parent->inner()[new_idx] =
  757|    622|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 310, False: 312]
  ------------------
  758|    622|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|    622|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|    622|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|    622|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 622, Folded]
  ------------------
  763|    622|                    pos.visit(dec_visitor{});
  764|    622|                return new_parent;
  765|    622|            }
  766|    622|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|    622|        }
  771|   181k|    }
_ZN5immer6detail4rbts17dec_empty_regularINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEvPT_:
  580|  2.08k|{
  581|  2.08k|    make_empty_regular_pos(node).visit(dec_visitor());
  582|  2.08k|}
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_relaxedIRNS1_11relaxed_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  595|   125k|    {
  596|   125k|        auto offset = pos.index(idx);
  597|   125k|        auto count  = pos.count();
  598|   125k|        auto node   = pos.node();
  599|   125k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (599:13): [True: 88.6k, False: 36.6k]
  ------------------
  600|  88.6k|            return pos.towards_oh(
  601|  88.6k|                this_t{}, idx, offset, e, &node->inner()[offset]);
  602|  88.6k|        } else {
  603|  36.6k|            auto new_node = node_t::copy_inner_sr_e(e, node, count);
  604|  36.6k|            IMMER_TRY {
  ------------------
  |  |   49|  36.6k|#define IMMER_TRY try
  ------------------
  605|  36.6k|                auto& res = pos.towards_oh(
  606|  36.6k|                    this_t{}, idx, offset, e, &new_node->inner()[offset]);
  607|  36.6k|                pos.visit(dec_visitor{});
  608|  36.6k|                *location = new_node;
  609|  36.6k|                return res;
  610|  36.6k|            }
  611|  36.6k|            IMMER_CATCH (...) {
  612|      0|                dec_relaxed(new_node, pos.shift());
  613|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  614|      0|            }
  615|  36.6k|        }
  616|   125k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_12leaf_sub_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  652|  18.9k|    {
  653|  18.9k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 18.9k, False: 0]
  ------------------
  654|  18.9k|        auto node = pos.node();
  655|  18.9k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 1.42k, False: 17.4k]
  ------------------
  656|  1.42k|            return node->leaf()[pos.index(idx)];
  657|  17.4k|        } else {
  658|  17.4k|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|  17.4k|            pos.visit(dec_visitor{});
  660|  17.4k|            *location = new_node;
  661|  17.4k|            return new_node->leaf()[pos.index(idx)];
  662|  17.4k|        }
  663|  18.9k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_15regular_sub_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  621|  5.42k|    {
  622|  5.42k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 5.42k, False: 0]
  ------------------
  623|  5.42k|        auto offset = pos.index(idx);
  624|  5.42k|        auto count  = pos.count();
  625|  5.42k|        auto node   = pos.node();
  626|  5.42k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 3.37k, False: 2.04k]
  ------------------
  627|  3.37k|            return pos.towards_oh_ch(
  628|  3.37k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  3.37k|        } else {
  630|  2.04k|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|  2.04k|            IMMER_TRY {
  ------------------
  |  |   49|  2.04k|#define IMMER_TRY try
  ------------------
  632|  2.04k|                auto& res = pos.towards_oh_ch(this_t{},
  633|  2.04k|                                              idx,
  634|  2.04k|                                              offset,
  635|  2.04k|                                              count,
  636|  2.04k|                                              e,
  637|  2.04k|                                              &new_node->inner()[offset]);
  638|  2.04k|                pos.visit(dec_visitor{});
  639|  2.04k|                *location = new_node;
  640|  2.04k|                return res;
  641|  2.04k|            }
  642|  2.04k|            IMMER_CATCH (...) {
  643|      0|                dec_regular(new_node, pos.shift(), pos.size());
  644|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  645|      0|            }
  646|  2.04k|        }
  647|  5.42k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  652|  3.21k|    {
  653|  3.21k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 3.21k, False: 0]
  ------------------
  654|  3.21k|        auto node = pos.node();
  655|  3.21k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 1.25k, False: 1.95k]
  ------------------
  656|  1.25k|            return node->leaf()[pos.index(idx)];
  657|  1.95k|        } else {
  658|  1.95k|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|  1.95k|            pos.visit(dec_visitor{});
  660|  1.95k|            *location = new_node;
  661|  1.95k|            return new_node->leaf()[pos.index(idx)];
  662|  1.95k|        }
  663|  3.21k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_8full_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  621|  2.21k|    {
  622|  2.21k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 2.21k, False: 0]
  ------------------
  623|  2.21k|        auto offset = pos.index(idx);
  624|  2.21k|        auto count  = pos.count();
  625|  2.21k|        auto node   = pos.node();
  626|  2.21k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 1.04k, False: 1.16k]
  ------------------
  627|  1.04k|            return pos.towards_oh_ch(
  628|  1.04k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  1.16k|        } else {
  630|  1.16k|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|  1.16k|            IMMER_TRY {
  ------------------
  |  |   49|  1.16k|#define IMMER_TRY try
  ------------------
  632|  1.16k|                auto& res = pos.towards_oh_ch(this_t{},
  633|  1.16k|                                              idx,
  634|  1.16k|                                              offset,
  635|  1.16k|                                              count,
  636|  1.16k|                                              e,
  637|  1.16k|                                              &new_node->inner()[offset]);
  638|  1.16k|                pos.visit(dec_visitor{});
  639|  1.16k|                *location = new_node;
  640|  1.16k|                return res;
  641|  1.16k|            }
  642|  1.16k|            IMMER_CATCH (...) {
  643|      0|                dec_regular(new_node, pos.shift(), pos.size());
  644|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  645|      0|            }
  646|  1.16k|        }
  647|  2.21k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_8leaf_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  652|  2.21k|    {
  653|  2.21k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 2.21k, False: 0]
  ------------------
  654|  2.21k|        auto node = pos.node();
  655|  2.21k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 1.63k, False: 580]
  ------------------
  656|  1.63k|            return node->leaf()[pos.index(idx)];
  657|  1.63k|        } else {
  658|    580|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|    580|            pos.visit(dec_visitor{});
  660|    580|            *location = new_node;
  661|    580|            return new_node->leaf()[pos.index(idx)];
  662|    580|        }
  663|  2.21k|    }
_ZN5immer6detail4rbts15get_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_regularIRNS1_11regular_posISC_EEEERiOT_mNSA_5applyIS7_E4type4editEPPSC_:
  621|  1.76k|    {
  622|  1.76k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 1.76k, False: 0]
  ------------------
  623|  1.76k|        auto offset = pos.index(idx);
  624|  1.76k|        auto count  = pos.count();
  625|  1.76k|        auto node   = pos.node();
  626|  1.76k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 1.33k, False: 435]
  ------------------
  627|  1.33k|            return pos.towards_oh_ch(
  628|  1.33k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  1.33k|        } else {
  630|    435|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|    435|            IMMER_TRY {
  ------------------
  |  |   49|    435|#define IMMER_TRY try
  ------------------
  632|    435|                auto& res = pos.towards_oh_ch(this_t{},
  633|    435|                                              idx,
  634|    435|                                              offset,
  635|    435|                                              count,
  636|    435|                                              e,
  637|    435|                                              &new_node->inner()[offset]);
  638|    435|                pos.visit(dec_visitor{});
  639|    435|                *location = new_node;
  640|    435|                return res;
  641|    435|            }
  642|    435|            IMMER_CATCH (...) {
  643|      0|                dec_regular(new_node, pos.shift(), pos.size());
  644|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  645|      0|            }
  646|    435|        }
  647|  1.76k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  30.1k|    {
  914|  30.1k|        auto idx    = pos.index(last);
  915|  30.1k|        auto node   = pos.node();
  916|  30.1k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [True: 30.1k, Folded]
  |  Branch (916:35): [True: 21.7k, False: 8.46k]
  ------------------
  917|  30.1k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [True: 30.1k, Folded]
  |  Branch (917:25): [True: 17.9k, False: 12.2k]
  ------------------
  918|  17.9k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 14.1k, False: 3.82k]
  ------------------
  919|  17.9k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|  17.9k|            if (Mutating)
  ------------------
  |  Branch (920:17): [True: 17.9k, Folded]
  ------------------
  921|  17.9k|                pos.visit(dec_right_visitor{}, count_t{1});
  922|  17.9k|            return res;
  923|  17.9k|        } else {
  924|  12.2k|            using std::get;
  925|  12.2k|            auto subs =
  926|  12.2k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 7.60k, False: 4.63k]
  ------------------
  927|  12.2k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  12.2k|            auto next = get<1>(subs);
  929|  12.2k|            auto ts   = get<2>(subs);
  930|  12.2k|            auto tail = get<3>(subs);
  931|  12.2k|            IMMER_TRY {
  ------------------
  |  |   49|  12.2k|#define IMMER_TRY try
  ------------------
  932|  12.2k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 9.00k, False: 3.22k]
  ------------------
  933|  9.00k|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 5.69k, False: 3.31k]
  ------------------
  934|  5.69k|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|  5.69k|                        pos.each_right(dec_visitor{}, idx + 1);
  936|  5.69k|                        node->inner()[idx] = next;
  937|  5.69k|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|  5.69k|                        nodr->d.count      = idx + 1;
  939|  5.69k|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 5.69k, False: 0]
  ------------------
  940|  5.69k|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|  5.69k|                    } else {
  942|  3.31k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|  3.31k|                        auto newr = newn->relaxed();
  944|  3.31k|                        newn->inner()[idx] = next;
  945|  3.31k|                        newr->d.sizes[idx] = last + 1 - ts;
  946|  3.31k|                        newr->d.count      = idx + 1;
  947|  3.31k|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 3.31k, False: 0]
  ------------------
  948|  3.31k|                        if (Mutating)
  ------------------
  |  Branch (948:29): [True: 3.31k, Folded]
  ------------------
  949|  3.31k|                            pos.visit(dec_visitor{});
  950|  3.31k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|  3.31k|                    }
  952|  9.00k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 0, False: 3.22k]
  ------------------
  953|      0|                    if (Mutating)
  ------------------
  |  Branch (953:25): [True: 0, Folded]
  ------------------
  954|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  3.22k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [True: 3.22k, Folded]
  |  Branch (956:40): [True: 2.43k, False: 798]
  |  Branch (956:52): [True: 1.80k, False: 629]
  ------------------
  957|  1.80k|                    auto newn = pos.node()->inner()[0];
  958|  1.80k|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 855, False: 947]
  ------------------
  959|    855|                        newn->inc();
  960|  1.80k|                    if (Mutating)
  ------------------
  |  Branch (960:25): [True: 1.80k, Folded]
  ------------------
  961|  1.80k|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|  1.80k|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|  1.80k|                } else {
  964|  1.42k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 961, False: 466]
  ------------------
  965|    961|                        pos.each_right(dec_visitor{}, idx + 1);
  966|    961|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|    961|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|    961|                    } else {
  969|    466|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    466|                        if (Mutating)
  ------------------
  |  Branch (970:29): [True: 466, Folded]
  ------------------
  971|    466|                            pos.visit(dec_visitor{});
  972|    466|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    466|                    }
  974|  1.42k|                }
  975|  12.2k|            }
  976|  12.2k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  12.2k|        }
  987|  30.1k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|    876|    {
 1060|    876|        auto old_tail_size = pos.count();
 1061|    876|        auto new_tail_size = pos.index(last) + 1;
 1062|    876|        auto node          = pos.node();
 1063|    876|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 876, Folded]
  |  Branch (1063:42): [True: 280, False: 596]
  ------------------
 1064|    876|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 213, False: 663]
  ------------------
 1065|    213|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 213]
  ------------------
 1066|      0|                node->inc();
 1067|    213|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    663|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 270, False: 393]
  ------------------
 1069|    270|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    270|                              old_tail_size - new_tail_size);
 1071|    270|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    393|        } else {
 1073|    393|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    393|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 393, Folded]
  ------------------
 1075|    393|                pos.visit(dec_visitor{});
 1076|    393|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    393|        }
 1078|    876|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|    729|    {
 1060|    729|        auto old_tail_size = pos.count();
 1061|    729|        auto new_tail_size = pos.index(last) + 1;
 1062|    729|        auto node          = pos.node();
 1063|    729|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 729]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|    729|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 368, False: 361]
  ------------------
 1065|    368|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 368, Folded]
  ------------------
 1066|    368|                node->inc();
 1067|    368|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    368|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 361]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    361|        } else {
 1073|    361|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    361|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 361]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    361|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    361|        }
 1078|    729|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  11.1k|    {
  914|  11.1k|        auto idx    = pos.index(last);
  915|  11.1k|        auto node   = pos.node();
  916|  11.1k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [Folded, False: 11.1k]
  |  Branch (916:35): [True: 0, False: 0]
  ------------------
  917|  11.1k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [True: 11.1k, Folded]
  |  Branch (917:25): [True: 9.21k, False: 1.90k]
  ------------------
  918|  9.21k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 0, False: 9.21k]
  ------------------
  919|  9.21k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|  9.21k|            if (Mutating)
  ------------------
  |  Branch (920:17): [Folded, False: 9.21k]
  ------------------
  921|      0|                pos.visit(dec_right_visitor{}, count_t{1});
  922|  9.21k|            return res;
  923|  9.21k|        } else {
  924|  1.90k|            using std::get;
  925|  1.90k|            auto subs =
  926|  1.90k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 0, False: 1.90k]
  ------------------
  927|  1.90k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  1.90k|            auto next = get<1>(subs);
  929|  1.90k|            auto ts   = get<2>(subs);
  930|  1.90k|            auto tail = get<3>(subs);
  931|  1.90k|            IMMER_TRY {
  ------------------
  |  |   49|  1.90k|#define IMMER_TRY try
  ------------------
  932|  1.90k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 888, False: 1.01k]
  ------------------
  933|    888|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 0, False: 888]
  ------------------
  934|      0|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  936|      0|                        node->inner()[idx] = next;
  937|      0|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|      0|                        nodr->d.count      = idx + 1;
  939|      0|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 0, False: 0]
  ------------------
  940|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|    888|                    } else {
  942|    888|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|    888|                        auto newr = newn->relaxed();
  944|    888|                        newn->inner()[idx] = next;
  945|    888|                        newr->d.sizes[idx] = last + 1 - ts;
  946|    888|                        newr->d.count      = idx + 1;
  947|    888|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 888, False: 0]
  ------------------
  948|    888|                        if (Mutating)
  ------------------
  |  Branch (948:29): [Folded, False: 888]
  ------------------
  949|      0|                            pos.visit(dec_visitor{});
  950|    888|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|    888|                    }
  952|  1.01k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 0, False: 1.01k]
  ------------------
  953|      0|                    if (Mutating)
  ------------------
  |  Branch (953:25): [Folded, False: 0]
  ------------------
  954|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  1.01k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [True: 1.01k, Folded]
  |  Branch (956:40): [True: 637, False: 381]
  |  Branch (956:52): [True: 326, False: 311]
  ------------------
  957|    326|                    auto newn = pos.node()->inner()[0];
  958|    326|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 326, False: 0]
  ------------------
  959|    326|                        newn->inc();
  960|    326|                    if (Mutating)
  ------------------
  |  Branch (960:25): [Folded, False: 326]
  ------------------
  961|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|    326|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|    692|                } else {
  964|    692|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 0, False: 692]
  ------------------
  965|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  966|      0|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|    692|                    } else {
  969|    692|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    692|                        if (Mutating)
  ------------------
  |  Branch (970:29): [Folded, False: 692]
  ------------------
  971|      0|                            pos.visit(dec_visitor{});
  972|    692|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    692|                    }
  974|    692|                }
  975|  1.90k|            }
  976|  1.90k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  1.90k|        }
  987|  11.1k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  1.19k|    {
  992|  1.19k|        auto idx    = pos.index(last);
  993|  1.19k|        auto node   = pos.node();
  994|  1.19k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 1.19k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  1.19k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 1.19k, Folded]
  |  Branch (995:25): [True: 279, False: 914]
  ------------------
  996|    279|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 279]
  ------------------
  997|    279|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|    279|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 279]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|    279|            return res;
 1001|    914|        } else {
 1002|    914|            using std::get;
 1003|    914|            auto subs =
 1004|    914|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 914]
  ------------------
 1005|    914|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|    914|            auto next = get<1>(subs);
 1007|    914|            auto ts   = get<2>(subs);
 1008|    914|            auto tail = get<3>(subs);
 1009|    914|            IMMER_TRY {
  ------------------
  |  |   49|    914|#define IMMER_TRY try
  ------------------
 1010|    914|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 269, False: 645]
  ------------------
 1011|    269|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 269]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    269|                    } else {
 1016|    269|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    269|                        newn->inner()[idx] = next;
 1018|    269|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 269]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    269|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    269|                    }
 1022|    645|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 645]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 0]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    645|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 645, Folded]
  |  Branch (1026:40): [True: 397, False: 248]
  |  Branch (1026:52): [True: 195, False: 202]
  ------------------
 1027|    195|                    auto newn = pos.node()->inner()[0];
 1028|    195|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 195, False: 0]
  ------------------
 1029|    195|                        newn->inc();
 1030|    195|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 195]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    195|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    450|                } else {
 1034|    450|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 450]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    450|                    } else {
 1038|    450|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    450|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 450]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    450|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    450|                    }
 1043|    450|                }
 1044|    914|            }
 1045|    914|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|    914|        }
 1055|  1.19k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.84k|    {
 1060|  1.84k|        auto old_tail_size = pos.count();
 1061|  1.84k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.84k|        auto node          = pos.node();
 1063|  1.84k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 1.84k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  1.84k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 1.14k, False: 693]
  ------------------
 1065|  1.14k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 1.14k, Folded]
  ------------------
 1066|  1.14k|                node->inc();
 1067|  1.14k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.14k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 693]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    693|        } else {
 1073|    693|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    693|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 693]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    693|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    693|        }
 1078|  1.84k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  1.66k|    {
  992|  1.66k|        auto idx    = pos.index(last);
  993|  1.66k|        auto node   = pos.node();
  994|  1.66k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 1.66k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  1.66k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 1.66k, Folded]
  |  Branch (995:25): [True: 416, False: 1.24k]
  ------------------
  996|    416|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 416]
  ------------------
  997|    416|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|    416|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 416]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|    416|            return res;
 1001|  1.24k|        } else {
 1002|  1.24k|            using std::get;
 1003|  1.24k|            auto subs =
 1004|  1.24k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 1.24k]
  ------------------
 1005|  1.24k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  1.24k|            auto next = get<1>(subs);
 1007|  1.24k|            auto ts   = get<2>(subs);
 1008|  1.24k|            auto tail = get<3>(subs);
 1009|  1.24k|            IMMER_TRY {
  ------------------
  |  |   49|  1.24k|#define IMMER_TRY try
  ------------------
 1010|  1.24k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 313, False: 932]
  ------------------
 1011|    313|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 313]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    313|                    } else {
 1016|    313|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    313|                        newn->inner()[idx] = next;
 1018|    313|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 313]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    313|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    313|                    }
 1022|    932|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 932]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 0]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    932|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 932, Folded]
  |  Branch (1026:40): [True: 551, False: 381]
  |  Branch (1026:52): [True: 224, False: 327]
  ------------------
 1027|    224|                    auto newn = pos.node()->inner()[0];
 1028|    224|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 224, False: 0]
  ------------------
 1029|    224|                        newn->inc();
 1030|    224|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 224]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    224|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    708|                } else {
 1034|    708|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 708]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    708|                    } else {
 1038|    708|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    708|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 708]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    708|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    708|                    }
 1043|    708|                }
 1044|  1.24k|            }
 1045|  1.24k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  1.24k|        }
 1055|  1.66k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  3.26k|    {
 1060|  3.26k|        auto old_tail_size = pos.count();
 1061|  3.26k|        auto new_tail_size = pos.index(last) + 1;
 1062|  3.26k|        auto node          = pos.node();
 1063|  3.26k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 3.26k, Folded]
  |  Branch (1063:42): [True: 317, False: 2.95k]
  ------------------
 1064|  3.26k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 1.76k, False: 1.50k]
  ------------------
 1065|  1.76k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 1.76k]
  ------------------
 1066|      0|                node->inc();
 1067|  1.76k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.76k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 312, False: 1.19k]
  ------------------
 1069|    312|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    312|                              old_tail_size - new_tail_size);
 1071|    312|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.19k|        } else {
 1073|  1.19k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.19k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 1.19k, Folded]
  ------------------
 1075|  1.19k|                pos.visit(dec_visitor{});
 1076|  1.19k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.19k|        }
 1078|  3.26k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.77k|    {
  992|  3.77k|        auto idx    = pos.index(last);
  993|  3.77k|        auto node   = pos.node();
  994|  3.77k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.77k, Folded]
  |  Branch (994:35): [True: 1.66k, False: 2.11k]
  ------------------
  995|  3.77k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.77k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 0, Folded]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  3.77k|        } else {
 1002|  3.77k|            using std::get;
 1003|  3.77k|            auto subs =
 1004|  3.77k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 1.66k, False: 2.11k]
  ------------------
 1005|  3.77k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.77k|            auto next = get<1>(subs);
 1007|  3.77k|            auto ts   = get<2>(subs);
 1008|  3.77k|            auto tail = get<3>(subs);
 1009|  3.77k|            IMMER_TRY {
  ------------------
  |  |   49|  3.77k|#define IMMER_TRY try
  ------------------
 1010|  3.77k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 1.00k, False: 2.77k]
  ------------------
 1011|  1.00k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 459, False: 543]
  ------------------
 1012|    459|                        node->inner()[idx] = next;
 1013|    459|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    459|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    543|                    } else {
 1016|    543|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    543|                        newn->inner()[idx] = next;
 1018|    543|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 543, Folded]
  ------------------
 1019|    543|                            pos.visit(dec_visitor{});
 1020|    543|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    543|                    }
 1022|  2.77k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 1.04k, False: 1.72k]
  ------------------
 1023|  1.04k|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 1.04k, Folded]
  ------------------
 1024|  1.04k|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|  1.04k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.72k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 1.72k]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 0, Folded]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  1.72k|                } else {
 1034|  1.72k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 399, False: 1.32k]
  ------------------
 1035|    399|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    399|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.32k|                    } else {
 1038|  1.32k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  1.32k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 1.32k, Folded]
  ------------------
 1040|  1.32k|                            pos.visit(dec_visitor{});
 1041|  1.32k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  1.32k|                    }
 1043|  1.72k|                }
 1044|  3.77k|            }
 1045|  3.77k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  3.77k|        }
 1055|  3.77k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  3.78k|    {
  879|  3.78k|        using node_t = node_type<Pos>;
  880|  3.78k|        auto node    = p.node();
  881|  3.78k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 2.23k, False: 1.54k]
  ------------------
  882|  2.23k|            p.each_right(dec_t{}, idx);
  883|  2.23k|            node_t::delete_inner(node, p.count());
  884|  2.23k|        }
  885|  3.78k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  9.84k|    {
 1060|  9.84k|        auto old_tail_size = pos.count();
 1061|  9.84k|        auto new_tail_size = pos.index(last) + 1;
 1062|  9.84k|        auto node          = pos.node();
 1063|  9.84k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 9.84k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  9.84k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 4.41k, False: 5.42k]
  ------------------
 1065|  4.41k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 4.41k, Folded]
  ------------------
 1066|  4.41k|                node->inc();
 1067|  4.41k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  5.42k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 5.42k]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  5.42k|        } else {
 1073|  5.42k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  5.42k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 5.42k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  5.42k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  5.42k|        }
 1078|  9.84k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  5.31k|    {
  992|  5.31k|        auto idx    = pos.index(last);
  993|  5.31k|        auto node   = pos.node();
  994|  5.31k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 5.31k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  5.31k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 5.31k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 0]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  5.31k|        } else {
 1002|  5.31k|            using std::get;
 1003|  5.31k|            auto subs =
 1004|  5.31k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 5.31k]
  ------------------
 1005|  5.31k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  5.31k|            auto next = get<1>(subs);
 1007|  5.31k|            auto ts   = get<2>(subs);
 1008|  5.31k|            auto tail = get<3>(subs);
 1009|  5.31k|            IMMER_TRY {
  ------------------
  |  |   49|  5.31k|#define IMMER_TRY try
  ------------------
 1010|  5.31k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 693, False: 4.62k]
  ------------------
 1011|    693|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 693]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    693|                    } else {
 1016|    693|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    693|                        newn->inner()[idx] = next;
 1018|    693|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 693]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    693|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    693|                    }
 1022|  4.62k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 934, False: 3.68k]
  ------------------
 1023|    934|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 934]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    934|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  3.68k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 3.68k]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 0]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  3.68k|                } else {
 1034|  3.68k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 3.68k]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  3.68k|                    } else {
 1038|  3.68k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  3.68k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 3.68k]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|  3.68k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  3.68k|                    }
 1043|  3.68k|                }
 1044|  5.31k|            }
 1045|  5.31k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  5.31k|        }
 1055|  5.31k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|    418|    {
 1060|    418|        auto old_tail_size = pos.count();
 1061|    418|        auto new_tail_size = pos.index(last) + 1;
 1062|    418|        auto node          = pos.node();
 1063|    418|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 418]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|    418|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 213, False: 205]
  ------------------
 1065|    213|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 213, Folded]
  ------------------
 1066|    213|                node->inc();
 1067|    213|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    213|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 205]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    205|        } else {
 1073|    205|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    205|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 205]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    205|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    205|        }
 1078|    418|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.45k|    {
 1060|  1.45k|        auto old_tail_size = pos.count();
 1061|  1.45k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.45k|        auto node          = pos.node();
 1063|  1.45k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.45k, Folded]
  |  Branch (1063:42): [True: 203, False: 1.24k]
  ------------------
 1064|  1.45k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 620, False: 830]
  ------------------
 1065|    620|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 620]
  ------------------
 1066|      0|                node->inc();
 1067|    620|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    830|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 203, False: 627]
  ------------------
 1069|    203|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    203|                              old_tail_size - new_tail_size);
 1071|    203|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    627|        } else {
 1073|    627|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    627|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 627, Folded]
  ------------------
 1075|    627|                pos.visit(dec_visitor{});
 1076|    627|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    627|        }
 1078|  1.45k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_11regular_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.42k|    {
  992|  3.42k|        auto idx    = pos.index(last);
  993|  3.42k|        auto node   = pos.node();
  994|  3.42k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.42k, Folded]
  |  Branch (994:35): [True: 2.50k, False: 918]
  ------------------
  995|  3.42k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.42k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 0, Folded]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  3.42k|        } else {
 1002|  3.42k|            using std::get;
 1003|  3.42k|            auto subs =
 1004|  3.42k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 2.50k, False: 918]
  ------------------
 1005|  3.42k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.42k|            auto next = get<1>(subs);
 1007|  3.42k|            auto ts   = get<2>(subs);
 1008|  3.42k|            auto tail = get<3>(subs);
 1009|  3.42k|            IMMER_TRY {
  ------------------
  |  |   49|  3.42k|#define IMMER_TRY try
  ------------------
 1010|  3.42k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 1.50k, False: 1.92k]
  ------------------
 1011|  1.50k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 1.04k, False: 463]
  ------------------
 1012|  1.04k|                        node->inner()[idx] = next;
 1013|  1.04k|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|  1.04k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|  1.04k|                    } else {
 1016|    463|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    463|                        newn->inner()[idx] = next;
 1018|    463|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 463, Folded]
  ------------------
 1019|    463|                            pos.visit(dec_visitor{});
 1020|    463|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    463|                    }
 1022|  1.92k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 1.14k, False: 778]
  ------------------
 1023|  1.14k|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 1.14k, Folded]
  ------------------
 1024|  1.14k|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|  1.14k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.14k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 778]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 0, Folded]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    778|                } else {
 1034|    778|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 527, False: 251]
  ------------------
 1035|    527|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    527|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    527|                    } else {
 1038|    251|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    251|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 251, Folded]
  ------------------
 1040|    251|                            pos.visit(dec_visitor{});
 1041|    251|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    251|                    }
 1043|    778|                }
 1044|  3.42k|            }
 1045|  3.42k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  3.42k|        }
 1055|  3.42k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  1.14k|    {
  879|  1.14k|        using node_t = node_type<Pos>;
  880|  1.14k|        auto node    = p.node();
  881|  1.14k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 940, False: 204]
  ------------------
  882|    940|            p.each_right(dec_t{}, idx);
  883|    940|            node_t::delete_inner(node, p.count());
  884|    940|        }
  885|  1.14k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  2.44k|    {
 1060|  2.44k|        auto old_tail_size = pos.count();
 1061|  2.44k|        auto new_tail_size = pos.index(last) + 1;
 1062|  2.44k|        auto node          = pos.node();
 1063|  2.44k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 2.44k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  2.44k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 396, False: 2.04k]
  ------------------
 1065|    396|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 396, Folded]
  ------------------
 1066|    396|                node->inc();
 1067|    396|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  2.04k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 2.04k]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  2.04k|        } else {
 1073|  2.04k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  2.04k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 2.04k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  2.04k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  2.04k|        }
 1078|  2.44k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_11regular_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.38k|    {
  992|  3.38k|        auto idx    = pos.index(last);
  993|  3.38k|        auto node   = pos.node();
  994|  3.38k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 3.38k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  3.38k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.38k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 0]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  3.38k|        } else {
 1002|  3.38k|            using std::get;
 1003|  3.38k|            auto subs =
 1004|  3.38k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 3.38k]
  ------------------
 1005|  3.38k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.38k|            auto next = get<1>(subs);
 1007|  3.38k|            auto ts   = get<2>(subs);
 1008|  3.38k|            auto tail = get<3>(subs);
 1009|  3.38k|            IMMER_TRY {
  ------------------
  |  |   49|  3.38k|#define IMMER_TRY try
  ------------------
 1010|  3.38k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 974, False: 2.40k]
  ------------------
 1011|    974|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 974]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    974|                    } else {
 1016|    974|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    974|                        newn->inner()[idx] = next;
 1018|    974|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 974]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    974|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    974|                    }
 1022|  2.40k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 822, False: 1.58k]
  ------------------
 1023|    822|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 822]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    822|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.58k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 1.58k]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 0]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  1.58k|                } else {
 1034|  1.58k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 1.58k]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.58k|                    } else {
 1038|  1.58k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  1.58k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 1.58k]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|  1.58k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  1.58k|                    }
 1043|  1.58k|                }
 1044|  3.38k|            }
 1045|  3.38k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  3.38k|        }
 1055|  3.38k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
  867|  20.2k|    {
  868|  20.2k|        using node_t = node_type<Pos>;
  869|  20.2k|        auto node    = p.node();
  870|  20.2k|        if (node->dec()) {
  ------------------
  |  Branch (870:13): [True: 15.3k, False: 4.93k]
  ------------------
  871|  15.3k|            p.each_right(dec_t{}, idx);
  872|  15.3k|            node_t::delete_inner_r(node, p.count());
  873|  15.3k|        }
  874|  20.2k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.80k|    {
 1060|  1.80k|        auto old_tail_size = pos.count();
 1061|  1.80k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.80k|        auto node          = pos.node();
 1063|  1.80k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.80k, Folded]
  |  Branch (1063:42): [True: 334, False: 1.46k]
  ------------------
 1064|  1.80k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 480, False: 1.32k]
  ------------------
 1065|    480|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 480]
  ------------------
 1066|      0|                node->inc();
 1067|    480|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.32k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 305, False: 1.01k]
  ------------------
 1069|    305|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    305|                              old_tail_size - new_tail_size);
 1071|    305|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.01k|        } else {
 1073|  1.01k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.01k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 1.01k, Folded]
  ------------------
 1075|  1.01k|                pos.visit(dec_visitor{});
 1076|  1.01k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.01k|        }
 1078|  1.80k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  2.76k|    {
  914|  2.76k|        auto idx    = pos.index(last);
  915|  2.76k|        auto node   = pos.node();
  916|  2.76k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [True: 2.76k, Folded]
  |  Branch (916:35): [True: 1.58k, False: 1.17k]
  ------------------
  917|  2.76k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [Folded, False: 2.76k]
  |  Branch (917:25): [True: 0, False: 0]
  ------------------
  918|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 0, False: 0]
  ------------------
  919|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|      0|            if (Mutating)
  ------------------
  |  Branch (920:17): [True: 0, Folded]
  ------------------
  921|      0|                pos.visit(dec_right_visitor{}, count_t{1});
  922|      0|            return res;
  923|  2.76k|        } else {
  924|  2.76k|            using std::get;
  925|  2.76k|            auto subs =
  926|  2.76k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 1.58k, False: 1.17k]
  ------------------
  927|  2.76k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  2.76k|            auto next = get<1>(subs);
  929|  2.76k|            auto ts   = get<2>(subs);
  930|  2.76k|            auto tail = get<3>(subs);
  931|  2.76k|            IMMER_TRY {
  ------------------
  |  |   49|  2.76k|#define IMMER_TRY try
  ------------------
  932|  2.76k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 985, False: 1.78k]
  ------------------
  933|    985|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 538, False: 447]
  ------------------
  934|    538|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|    538|                        pos.each_right(dec_visitor{}, idx + 1);
  936|    538|                        node->inner()[idx] = next;
  937|    538|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|    538|                        nodr->d.count      = idx + 1;
  939|    538|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 538, False: 0]
  ------------------
  940|    538|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|    538|                    } else {
  942|    447|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|    447|                        auto newr = newn->relaxed();
  944|    447|                        newn->inner()[idx] = next;
  945|    447|                        newr->d.sizes[idx] = last + 1 - ts;
  946|    447|                        newr->d.count      = idx + 1;
  947|    447|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 447, False: 0]
  ------------------
  948|    447|                        if (Mutating)
  ------------------
  |  Branch (948:29): [True: 447, Folded]
  ------------------
  949|    447|                            pos.visit(dec_visitor{});
  950|    447|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|    447|                    }
  952|  1.78k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 496, False: 1.28k]
  ------------------
  953|    496|                    if (Mutating)
  ------------------
  |  Branch (953:25): [True: 496, Folded]
  ------------------
  954|    496|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|    496|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  1.28k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [Folded, False: 1.28k]
  |  Branch (956:40): [True: 0, False: 0]
  |  Branch (956:52): [True: 0, False: 0]
  ------------------
  957|      0|                    auto newn = pos.node()->inner()[0];
  958|      0|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 0, False: 0]
  ------------------
  959|      0|                        newn->inc();
  960|      0|                    if (Mutating)
  ------------------
  |  Branch (960:25): [True: 0, Folded]
  ------------------
  961|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|  1.28k|                } else {
  964|  1.28k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 804, False: 483]
  ------------------
  965|    804|                        pos.each_right(dec_visitor{}, idx + 1);
  966|    804|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|    804|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|    804|                    } else {
  969|    483|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    483|                        if (Mutating)
  ------------------
  |  Branch (970:29): [True: 483, Folded]
  ------------------
  971|    483|                            pos.visit(dec_visitor{});
  972|    483|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    483|                    }
  974|  1.28k|                }
  975|  2.76k|            }
  976|  2.76k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  2.76k|        }
  987|  2.76k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  4.62k|    {
  992|  4.62k|        auto idx    = pos.index(last);
  993|  4.62k|        auto node   = pos.node();
  994|  4.62k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 4.62k, Folded]
  |  Branch (994:35): [True: 3.49k, False: 1.12k]
  ------------------
  995|  4.62k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 4.62k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 0, Folded]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  4.62k|        } else {
 1002|  4.62k|            using std::get;
 1003|  4.62k|            auto subs =
 1004|  4.62k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 3.49k, False: 1.12k]
  ------------------
 1005|  4.62k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  4.62k|            auto next = get<1>(subs);
 1007|  4.62k|            auto ts   = get<2>(subs);
 1008|  4.62k|            auto tail = get<3>(subs);
 1009|  4.62k|            IMMER_TRY {
  ------------------
  |  |   49|  4.62k|#define IMMER_TRY try
  ------------------
 1010|  4.62k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 3.27k, False: 1.34k]
  ------------------
 1011|  3.27k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 2.72k, False: 549]
  ------------------
 1012|  2.72k|                        node->inner()[idx] = next;
 1013|  2.72k|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|  2.72k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|  2.72k|                    } else {
 1016|    549|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    549|                        newn->inner()[idx] = next;
 1018|    549|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 549, Folded]
  ------------------
 1019|    549|                            pos.visit(dec_visitor{});
 1020|    549|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    549|                    }
 1022|  3.27k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 662, False: 684]
  ------------------
 1023|    662|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 662, Folded]
  ------------------
 1024|    662|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    662|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    684|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 684]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 0, Folded]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    684|                } else {
 1034|    684|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 365, False: 319]
  ------------------
 1035|    365|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    365|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    365|                    } else {
 1038|    319|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    319|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 319, Folded]
  ------------------
 1040|    319|                            pos.visit(dec_visitor{});
 1041|    319|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    319|                    }
 1043|    684|                }
 1044|  4.62k|            }
 1045|  4.62k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  4.62k|        }
 1055|  4.62k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  10.4k|    {
  879|  10.4k|        using node_t = node_type<Pos>;
  880|  10.4k|        auto node    = p.node();
  881|  10.4k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 7.29k, False: 3.11k]
  ------------------
  882|  7.29k|            p.each_right(dec_t{}, idx);
  883|  7.29k|            node_t::delete_inner(node, p.count());
  884|  7.29k|        }
  885|  10.4k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  4.54k|    {
 1060|  4.54k|        auto old_tail_size = pos.count();
 1061|  4.54k|        auto new_tail_size = pos.index(last) + 1;
 1062|  4.54k|        auto node          = pos.node();
 1063|  4.54k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 4.54k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  4.54k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 1.19k, False: 3.34k]
  ------------------
 1065|  1.19k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 1.19k, Folded]
  ------------------
 1066|  1.19k|                node->inc();
 1067|  1.19k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  3.34k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 3.34k]
  ------------------
 1069|      0|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|      0|                              old_tail_size - new_tail_size);
 1071|      0|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  3.34k|        } else {
 1073|  3.34k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  3.34k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 3.34k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  3.34k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  3.34k|        }
 1078|  4.54k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  913|  3.96k|    {
  914|  3.96k|        auto idx    = pos.index(last);
  915|  3.96k|        auto node   = pos.node();
  916|  3.96k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [Folded, False: 3.96k]
  |  Branch (916:35): [True: 0, False: 0]
  ------------------
  917|  3.96k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [Folded, False: 3.96k]
  |  Branch (917:25): [True: 0, False: 0]
  ------------------
  918|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 0, False: 0]
  ------------------
  919|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|      0|            if (Mutating)
  ------------------
  |  Branch (920:17): [Folded, False: 0]
  ------------------
  921|      0|                pos.visit(dec_right_visitor{}, count_t{1});
  922|      0|            return res;
  923|  3.96k|        } else {
  924|  3.96k|            using std::get;
  925|  3.96k|            auto subs =
  926|  3.96k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 0, False: 3.96k]
  ------------------
  927|  3.96k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  3.96k|            auto next = get<1>(subs);
  929|  3.96k|            auto ts   = get<2>(subs);
  930|  3.96k|            auto tail = get<3>(subs);
  931|  3.96k|            IMMER_TRY {
  ------------------
  |  |   49|  3.96k|#define IMMER_TRY try
  ------------------
  932|  3.96k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 825, False: 3.13k]
  ------------------
  933|    825|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 0, False: 825]
  ------------------
  934|      0|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  936|      0|                        node->inner()[idx] = next;
  937|      0|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|      0|                        nodr->d.count      = idx + 1;
  939|      0|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 0, False: 0]
  ------------------
  940|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|    825|                    } else {
  942|    825|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|    825|                        auto newr = newn->relaxed();
  944|    825|                        newn->inner()[idx] = next;
  945|    825|                        newr->d.sizes[idx] = last + 1 - ts;
  946|    825|                        newr->d.count      = idx + 1;
  947|    825|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 825, False: 0]
  ------------------
  948|    825|                        if (Mutating)
  ------------------
  |  Branch (948:29): [Folded, False: 825]
  ------------------
  949|      0|                            pos.visit(dec_visitor{});
  950|    825|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|    825|                    }
  952|  3.13k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 984, False: 2.15k]
  ------------------
  953|    984|                    if (Mutating)
  ------------------
  |  Branch (953:25): [Folded, False: 984]
  ------------------
  954|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|    984|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  2.15k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [Folded, False: 2.15k]
  |  Branch (956:40): [True: 0, False: 0]
  |  Branch (956:52): [True: 0, False: 0]
  ------------------
  957|      0|                    auto newn = pos.node()->inner()[0];
  958|      0|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 0, False: 0]
  ------------------
  959|      0|                        newn->inc();
  960|      0|                    if (Mutating)
  ------------------
  |  Branch (960:25): [Folded, False: 0]
  ------------------
  961|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|  2.15k|                } else {
  964|  2.15k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 0, False: 2.15k]
  ------------------
  965|      0|                        pos.each_right(dec_visitor{}, idx + 1);
  966|      0|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|  2.15k|                    } else {
  969|  2.15k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|  2.15k|                        if (Mutating)
  ------------------
  |  Branch (970:29): [Folded, False: 2.15k]
  ------------------
  971|      0|                            pos.visit(dec_visitor{});
  972|  2.15k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|  2.15k|                    }
  974|  2.15k|                }
  975|  3.96k|            }
  976|  3.96k|            IMMER_CATCH (...) {
  977|      0|                assert(!mutate);
  ------------------
  |  Branch (977:17): [True: 0, False: 0]
  ------------------
  978|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  |  Branch (978:17): [True: 0, False: 0]
  ------------------
  979|      0|                if (next)
  ------------------
  |  Branch (979:21): [True: 0, False: 0]
  ------------------
  980|      0|                    dec_inner(next,
  981|      0|                              pos.shift() - B,
  982|      0|                              last + 1 - ts - pos.size_before(idx));
  983|      0|                dec_leaf(tail, ts);
  984|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  985|      0|            }
  986|  3.96k|        }
  987|  3.96k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.17k|    {
  992|  3.17k|        auto idx    = pos.index(last);
  993|  3.17k|        auto node   = pos.node();
  994|  3.17k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 3.17k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  3.17k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.17k]
  |  Branch (995:25): [True: 0, False: 0]
  ------------------
  996|      0|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 0]
  ------------------
  997|      0|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|      0|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 0]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|      0|            return res;
 1001|  3.17k|        } else {
 1002|  3.17k|            using std::get;
 1003|  3.17k|            auto subs =
 1004|  3.17k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 3.17k]
  ------------------
 1005|  3.17k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.17k|            auto next = get<1>(subs);
 1007|  3.17k|            auto ts   = get<2>(subs);
 1008|  3.17k|            auto tail = get<3>(subs);
 1009|  3.17k|            IMMER_TRY {
  ------------------
  |  |   49|  3.17k|#define IMMER_TRY try
  ------------------
 1010|  3.17k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 2.05k, False: 1.12k]
  ------------------
 1011|  2.05k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 2.05k]
  ------------------
 1012|      0|                        node->inner()[idx] = next;
 1013|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|  2.05k|                    } else {
 1016|  2.05k|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|  2.05k|                        newn->inner()[idx] = next;
 1018|  2.05k|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 2.05k]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|  2.05k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|  2.05k|                    }
 1022|  2.05k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 680, False: 440]
  ------------------
 1023|    680|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 680]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    680|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    680|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 440]
  |  Branch (1026:40): [True: 0, False: 0]
  |  Branch (1026:52): [True: 0, False: 0]
  ------------------
 1027|      0|                    auto newn = pos.node()->inner()[0];
 1028|      0|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 0, False: 0]
  ------------------
 1029|      0|                        newn->inc();
 1030|      0|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 0]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|      0|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    440|                } else {
 1034|    440|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 440]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    440|                    } else {
 1038|    440|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    440|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 440]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    440|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    440|                    }
 1043|    440|                }
 1044|  3.17k|            }
 1045|  3.17k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  3.17k|        }
 1055|  3.17k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  12.7k|    {
  992|  12.7k|        auto idx    = pos.index(last);
  993|  12.7k|        auto node   = pos.node();
  994|  12.7k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 12.7k, Folded]
  |  Branch (994:35): [True: 8.63k, False: 4.08k]
  ------------------
  995|  12.7k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 12.7k, Folded]
  |  Branch (995:25): [True: 7.36k, False: 5.35k]
  ------------------
  996|  7.36k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 5.17k, False: 2.18k]
  ------------------
  997|  7.36k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|  7.36k|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 7.36k, Folded]
  ------------------
  999|  7.36k|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|  7.36k|            return res;
 1001|  7.36k|        } else {
 1002|  5.35k|            using std::get;
 1003|  5.35k|            auto subs =
 1004|  5.35k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 3.45k, False: 1.90k]
  ------------------
 1005|  5.35k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  5.35k|            auto next = get<1>(subs);
 1007|  5.35k|            auto ts   = get<2>(subs);
 1008|  5.35k|            auto tail = get<3>(subs);
 1009|  5.35k|            IMMER_TRY {
  ------------------
  |  |   49|  5.35k|#define IMMER_TRY try
  ------------------
 1010|  5.35k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 1.38k, False: 3.97k]
  ------------------
 1011|  1.38k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 583, False: 798]
  ------------------
 1012|    583|                        node->inner()[idx] = next;
 1013|    583|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    583|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    798|                    } else {
 1016|    798|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    798|                        newn->inner()[idx] = next;
 1018|    798|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 798, Folded]
  ------------------
 1019|    798|                            pos.visit(dec_visitor{});
 1020|    798|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    798|                    }
 1022|  3.97k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 3.97k]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 0, Folded]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  3.97k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 3.97k, Folded]
  |  Branch (1026:40): [True: 3.53k, False: 437]
  |  Branch (1026:52): [True: 2.37k, False: 1.16k]
  ------------------
 1027|  2.37k|                    auto newn = pos.node()->inner()[0];
 1028|  2.37k|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 667, False: 1.71k]
  ------------------
 1029|    667|                        newn->inc();
 1030|  2.37k|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 2.37k, Folded]
  ------------------
 1031|  2.37k|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|  2.37k|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  2.37k|                } else {
 1034|  1.59k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 1.16k, False: 435]
  ------------------
 1035|  1.16k|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|  1.16k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.16k|                    } else {
 1038|    435|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    435|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 435, Folded]
  ------------------
 1040|    435|                            pos.visit(dec_visitor{});
 1041|    435|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    435|                    }
 1043|  1.59k|                }
 1044|  5.35k|            }
 1045|  5.35k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  5.35k|        }
 1055|  12.7k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|  1.67k|    {
 1060|  1.67k|        auto old_tail_size = pos.count();
 1061|  1.67k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.67k|        auto node          = pos.node();
 1063|  1.67k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.67k, Folded]
  |  Branch (1063:42): [True: 688, False: 989]
  ------------------
 1064|  1.67k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 265, False: 1.41k]
  ------------------
 1065|    265|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 265]
  ------------------
 1066|      0|                node->inc();
 1067|    265|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.41k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 687, False: 725]
  ------------------
 1069|    687|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    687|                              old_tail_size - new_tail_size);
 1071|    687|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    725|        } else {
 1073|    725|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    725|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 725, Folded]
  ------------------
 1075|    725|                pos.visit(dec_visitor{});
 1076|    725|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    725|        }
 1078|  1.67k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
  991|  3.89k|    {
  992|  3.89k|        auto idx    = pos.index(last);
  993|  3.89k|        auto node   = pos.node();
  994|  3.89k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.89k, Folded]
  |  Branch (994:35): [True: 1.97k, False: 1.92k]
  ------------------
  995|  3.89k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 3.89k, Folded]
  |  Branch (995:25): [True: 2.21k, False: 1.68k]
  ------------------
  996|  2.21k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 1.17k, False: 1.04k]
  ------------------
  997|  2.21k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|  2.21k|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 2.21k, Folded]
  ------------------
  999|  2.21k|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|  2.21k|            return res;
 1001|  2.21k|        } else {
 1002|  1.68k|            using std::get;
 1003|  1.68k|            auto subs =
 1004|  1.68k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 798, False: 889]
  ------------------
 1005|  1.68k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  1.68k|            auto next = get<1>(subs);
 1007|  1.68k|            auto ts   = get<2>(subs);
 1008|  1.68k|            auto tail = get<3>(subs);
 1009|  1.68k|            IMMER_TRY {
  ------------------
  |  |   49|  1.68k|#define IMMER_TRY try
  ------------------
 1010|  1.68k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 476, False: 1.21k]
  ------------------
 1011|    476|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 199, False: 277]
  ------------------
 1012|    199|                        node->inner()[idx] = next;
 1013|    199|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    199|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    277|                    } else {
 1016|    277|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    277|                        newn->inner()[idx] = next;
 1018|    277|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 277, Folded]
  ------------------
 1019|    277|                            pos.visit(dec_visitor{});
 1020|    277|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    277|                    }
 1022|  1.21k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 1.21k]
  ------------------
 1023|      0|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 0, Folded]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.21k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 1.21k, Folded]
  |  Branch (1026:40): [True: 740, False: 471]
  |  Branch (1026:52): [True: 519, False: 221]
  ------------------
 1027|    519|                    auto newn = pos.node()->inner()[0];
 1028|    519|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 261, False: 258]
  ------------------
 1029|    261|                        newn->inc();
 1030|    519|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 519, Folded]
  ------------------
 1031|    519|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    519|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    692|                } else {
 1034|    692|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 341, False: 351]
  ------------------
 1035|    341|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    341|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    351|                    } else {
 1038|    351|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    351|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 351, Folded]
  ------------------
 1040|    351|                            pos.visit(dec_visitor{});
 1041|    351|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    351|                    }
 1043|    692|                }
 1044|  1.68k|            }
 1045|  1.68k|            IMMER_CATCH (...) {
 1046|      0|                assert(!mutate);
  ------------------
  |  Branch (1046:17): [True: 0, False: 0]
  ------------------
 1047|      0|                assert(!next || pos.shift() > BL);
  ------------------
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  |  Branch (1047:17): [True: 0, False: 0]
  ------------------
 1048|      0|                assert(tail);
  ------------------
  |  Branch (1048:17): [True: 0, False: 0]
  ------------------
 1049|      0|                if (next)
  ------------------
  |  Branch (1049:21): [True: 0, False: 0]
  ------------------
 1050|      0|                    dec_regular(next, pos.shift() - B, last + 1 - ts);
 1051|      0|                dec_leaf(tail, ts);
 1052|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1053|      0|            }
 1054|  1.68k|        }
 1055|  3.89k|    }
_ZN5immer6detail4rbts23slice_right_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_8leaf_posISC_EEEENSt3__15tupleIJjPSC_jSK_EEEOT_mNSA_5applyIS7_E4type4editE:
 1059|    775|    {
 1060|    775|        auto old_tail_size = pos.count();
 1061|    775|        auto new_tail_size = pos.index(last) + 1;
 1062|    775|        auto node          = pos.node();
 1063|    775|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 775, Folded]
  |  Branch (1063:42): [True: 253, False: 522]
  ------------------
 1064|    775|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 200, False: 575]
  ------------------
 1065|    200|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 200]
  ------------------
 1066|      0|                node->inc();
 1067|    200|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    575|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 253, False: 322]
  ------------------
 1069|    253|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    253|                              old_tail_size - new_tail_size);
 1071|    253|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    322|        } else {
 1073|    322|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    322|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 322, Folded]
  ------------------
 1075|    322|                pos.visit(dec_visitor{});
 1076|    322|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    322|        }
 1078|    775|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|    947|    {
 1378|    947|        auto node   = pos.node();
 1379|    947|        auto idx    = pos.index(first);
 1380|    947|        auto count  = pos.count();
 1381|    947|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [True: 0, Folded]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|    947|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 670, False: 277]
  ------------------
 1384|    947|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 670, False: 277]
  ------------------
 1385|    670|            auto data     = node->leaf();
 1386|    670|            auto newcount = count - idx;
 1387|    670|            std::move(data + idx, data + count, data);
 1388|    670|            detail::destroy_n(data + newcount, idx);
 1389|    670|            return std::make_tuple(0, node);
 1390|    670|        } else {
 1391|    277|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|    277|            if (Mutating)
  ------------------
  |  Branch (1392:17): [True: 277, Folded]
  ------------------
 1393|    277|                pos.visit(dec_visitor{});
 1394|    277|            return std::make_tuple(0, newn);
 1395|    277|        }
 1396|    947|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|  58.1k|    {
 1247|  58.1k|        auto idx                = pos.subindex(first);
 1248|  58.1k|        auto count              = pos.count();
 1249|  58.1k|        auto node               = pos.node();
 1250|  58.1k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [True: 58.1k, Folded]
  |  Branch (1250:47): [True: 51.0k, False: 7.10k]
  ------------------
 1251|  58.1k|        auto left_size          = pos.size_before(idx);
 1252|  58.1k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  58.1k|        auto dropped_size       = first;
 1254|  58.1k|        auto child_dropped_size = dropped_size - left_size;
 1255|  58.1k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [True: 58.1k, Folded]
  |  Branch (1255:25): [True: 56.2k, False: 1.90k]
  |  Branch (1255:45): [True: 4.47k, False: 51.7k]
  ------------------
 1256|  4.47k|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 1.90k, False: 2.56k]
  ------------------
 1257|  4.47k|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|  4.47k|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 1.90k, False: 2.56k]
  ------------------
 1259|  1.90k|                pos.visit(dec_left_visitor{}, idx);
 1260|  2.56k|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [True: 2.56k, Folded]
  ------------------
 1261|  2.56k|                pos.visit(dec_visitor{});
 1262|  4.47k|            return r;
 1263|  53.6k|        } else {
 1264|  53.6k|            using std::get;
 1265|  53.6k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 49.1k, False: 4.54k]
  ------------------
 1266|  53.6k|                                   : node_t::make_inner_r_e(e);
 1267|  53.6k|            auto newr     = newn->relaxed();
 1268|  53.6k|            auto newcount = count - idx;
 1269|  53.6k|            auto new_child_size = child_size - child_dropped_size;
 1270|  53.6k|            IMMER_TRY {
  ------------------
  |  |   49|  53.6k|#define IMMER_TRY try
  ------------------
 1271|  53.6k|                auto subs =
 1272|  53.6k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 49.1k, False: 4.54k]
  ------------------
 1273|  53.6k|                           : pos.towards_sub_oh(
 1274|  4.54k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  53.6k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 49.1k, False: 4.54k]
  ------------------
 1276|  49.1k|                    pos.each_left(dec_visitor{}, idx);
 1277|  53.6k|                pos.copy_sizes(
 1278|  53.6k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  53.6k|                std::copy(node->inner() + idx + 1,
 1280|  53.6k|                          node->inner() + count,
 1281|  53.6k|                          newn->inner() + 1);
 1282|  53.6k|                newn->inner()[0] = get<1>(subs);
 1283|  53.6k|                newr->d.sizes[0] = new_child_size;
 1284|  53.6k|                newr->d.count    = newcount;
 1285|  53.6k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 53.6k, False: 0]
  ------------------
 1286|  53.6k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 4.54k, False: 49.1k]
  ------------------
 1287|  4.54k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  4.54k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [True: 4.54k, Folded]
  ------------------
 1289|  4.54k|                        pos.visit(dec_visitor{});
 1290|  4.54k|                }
 1291|  53.6k|                return std::make_tuple(pos.shift(), newn);
 1292|  53.6k|            }
 1293|  53.6k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|  53.6k|        }
 1299|  58.1k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|  2.20k|    {
 1247|  2.20k|        auto idx                = pos.subindex(first);
 1248|  2.20k|        auto count              = pos.count();
 1249|  2.20k|        auto node               = pos.node();
 1250|  2.20k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [Folded, False: 2.20k]
  |  Branch (1250:47): [True: 0, False: 0]
  ------------------
 1251|  2.20k|        auto left_size          = pos.size_before(idx);
 1252|  2.20k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  2.20k|        auto dropped_size       = first;
 1254|  2.20k|        auto child_dropped_size = dropped_size - left_size;
 1255|  2.20k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [True: 2.20k, Folded]
  |  Branch (1255:25): [True: 1.00k, False: 1.20k]
  |  Branch (1255:45): [True: 764, False: 238]
  ------------------
 1256|    764|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 0, False: 764]
  ------------------
 1257|    764|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|    764|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 0, False: 764]
  ------------------
 1259|      0|                pos.visit(dec_left_visitor{}, idx);
 1260|    764|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [Folded, False: 764]
  ------------------
 1261|      0|                pos.visit(dec_visitor{});
 1262|    764|            return r;
 1263|  1.44k|        } else {
 1264|  1.44k|            using std::get;
 1265|  1.44k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 0, False: 1.44k]
  ------------------
 1266|  1.44k|                                   : node_t::make_inner_r_e(e);
 1267|  1.44k|            auto newr     = newn->relaxed();
 1268|  1.44k|            auto newcount = count - idx;
 1269|  1.44k|            auto new_child_size = child_size - child_dropped_size;
 1270|  1.44k|            IMMER_TRY {
  ------------------
  |  |   49|  1.44k|#define IMMER_TRY try
  ------------------
 1271|  1.44k|                auto subs =
 1272|  1.44k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 0, False: 1.44k]
  ------------------
 1273|  1.44k|                           : pos.towards_sub_oh(
 1274|  1.44k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  1.44k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 0, False: 1.44k]
  ------------------
 1276|      0|                    pos.each_left(dec_visitor{}, idx);
 1277|  1.44k|                pos.copy_sizes(
 1278|  1.44k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  1.44k|                std::copy(node->inner() + idx + 1,
 1280|  1.44k|                          node->inner() + count,
 1281|  1.44k|                          newn->inner() + 1);
 1282|  1.44k|                newn->inner()[0] = get<1>(subs);
 1283|  1.44k|                newr->d.sizes[0] = new_child_size;
 1284|  1.44k|                newr->d.count    = newcount;
 1285|  1.44k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 1.44k, False: 0]
  ------------------
 1286|  1.44k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 1.44k, False: 0]
  ------------------
 1287|  1.44k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  1.44k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [Folded, False: 1.44k]
  ------------------
 1289|      0|                        pos.visit(dec_visitor{});
 1290|  1.44k|                }
 1291|  1.44k|                return std::make_tuple(pos.shift(), newn);
 1292|  1.44k|            }
 1293|  1.44k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|  1.44k|        }
 1299|  2.20k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  2.09k|    {
 1304|  2.09k|        auto idx    = pos.subindex(first);
 1305|  2.09k|        auto count  = pos.count();
 1306|  2.09k|        auto node   = pos.node();
 1307|  2.09k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 2.09k]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [Folded, False: 0]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  2.09k|        auto left_size          = pos.size_before(idx);
 1313|  2.09k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  2.09k|        auto dropped_size       = first;
 1315|  2.09k|        auto child_dropped_size = dropped_size - left_size;
 1316|  2.09k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 2.09k, Folded]
  |  Branch (1316:25): [True: 876, False: 1.21k]
  |  Branch (1316:45): [True: 497, False: 379]
  ------------------
 1317|    497|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 497]
  ------------------
 1318|    497|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|    497|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 497]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|    497|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 497]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|    497|            return r;
 1324|  1.59k|        } else {
 1325|  1.59k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.59k|            auto newcount = count - idx;
 1330|  1.59k|            auto newn =
 1331|  1.59k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.59k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.59k|                       : node_t::make_inner_r_e(e);
 1336|  1.59k|            auto newr = newn->relaxed();
 1337|  1.59k|            IMMER_TRY {
  ------------------
  |  |   49|  1.59k|#define IMMER_TRY try
  ------------------
 1338|  1.59k|                auto subs =
 1339|  1.59k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.59k]
  ------------------
 1340|  1.59k|                           : pos.towards_sub_oh(
 1341|  1.59k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.59k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.59k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.59k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.59k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.59k, False: 0]
  ------------------
 1346|  1.59k|                pos.copy_sizes(
 1347|  1.59k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.59k|                newr->d.count    = newcount;
 1349|  1.59k|                newn->inner()[0] = get<1>(subs);
 1350|  1.59k|                std::copy(node->inner() + idx + 1,
 1351|  1.59k|                          node->inner() + count,
 1352|  1.59k|                          newn->inner() + 1);
 1353|  1.59k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.59k, False: 0]
  ------------------
 1354|  1.59k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.59k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 1.59k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  1.59k|                }
 1358|  1.59k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.59k|            }
 1360|  1.59k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.59k|        }
 1373|  2.09k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|    636|    {
 1304|    636|        auto idx    = pos.subindex(first);
 1305|    636|        auto count  = pos.count();
 1306|    636|        auto node   = pos.node();
 1307|    636|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 636]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [Folded, False: 0]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|    636|        auto left_size          = pos.size_before(idx);
 1313|    636|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|    636|        auto dropped_size       = first;
 1315|    636|        auto child_dropped_size = dropped_size - left_size;
 1316|    636|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 636, Folded]
  |  Branch (1316:25): [True: 202, False: 434]
  |  Branch (1316:45): [True: 0, False: 202]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 0]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|    636|        } else {
 1325|    636|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|    636|            auto newcount = count - idx;
 1330|    636|            auto newn =
 1331|    636|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 636]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|    636|                       : node_t::make_inner_r_e(e);
 1336|    636|            auto newr = newn->relaxed();
 1337|    636|            IMMER_TRY {
  ------------------
  |  |   49|    636|#define IMMER_TRY try
  ------------------
 1338|    636|                auto subs =
 1339|    636|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 636]
  ------------------
 1340|    636|                           : pos.towards_sub_oh(
 1341|    636|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|    636|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 636]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|    636|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|    636|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 636, False: 0]
  ------------------
 1346|    636|                pos.copy_sizes(
 1347|    636|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|    636|                newr->d.count    = newcount;
 1349|    636|                newn->inner()[0] = get<1>(subs);
 1350|    636|                std::copy(node->inner() + idx + 1,
 1351|    636|                          node->inner() + count,
 1352|    636|                          newn->inner() + 1);
 1353|    636|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 636, False: 0]
  ------------------
 1354|    636|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|    636|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 636]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|    636|                }
 1358|    636|                return std::make_tuple(pos.shift(), newn);
 1359|    636|            }
 1360|    636|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|    636|        }
 1373|    636|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_13full_leaf_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|  8.36k|    {
 1378|  8.36k|        auto node   = pos.node();
 1379|  8.36k|        auto idx    = pos.index(first);
 1380|  8.36k|        auto count  = pos.count();
 1381|  8.36k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [Folded, False: 8.36k]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|      0|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 0, False: 0]
  ------------------
 1384|  8.36k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 0, False: 8.36k]
  ------------------
 1385|      0|            auto data     = node->leaf();
 1386|      0|            auto newcount = count - idx;
 1387|      0|            std::move(data + idx, data + count, data);
 1388|      0|            detail::destroy_n(data + newcount, idx);
 1389|      0|            return std::make_tuple(0, node);
 1390|  8.36k|        } else {
 1391|  8.36k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  8.36k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [Folded, False: 8.36k]
  ------------------
 1393|      0|                pos.visit(dec_visitor{});
 1394|  8.36k|            return std::make_tuple(0, newn);
 1395|  8.36k|        }
 1396|  8.36k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_8full_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  2.35k|    {
 1304|  2.35k|        auto idx    = pos.subindex(first);
 1305|  2.35k|        auto count  = pos.count();
 1306|  2.35k|        auto node   = pos.node();
 1307|  2.35k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 2.35k]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [Folded, False: 0]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  2.35k|        auto left_size          = pos.size_before(idx);
 1313|  2.35k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  2.35k|        auto dropped_size       = first;
 1315|  2.35k|        auto child_dropped_size = dropped_size - left_size;
 1316|  2.35k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 2.35k]
  |  Branch (1316:25): [True: 0, False: 0]
  |  Branch (1316:45): [True: 0, False: 0]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 0]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  2.35k|        } else {
 1325|  2.35k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  2.35k|            auto newcount = count - idx;
 1330|  2.35k|            auto newn =
 1331|  2.35k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 2.35k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  2.35k|                       : node_t::make_inner_r_e(e);
 1336|  2.35k|            auto newr = newn->relaxed();
 1337|  2.35k|            IMMER_TRY {
  ------------------
  |  |   49|  2.35k|#define IMMER_TRY try
  ------------------
 1338|  2.35k|                auto subs =
 1339|  2.35k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 2.35k]
  ------------------
 1340|  2.35k|                           : pos.towards_sub_oh(
 1341|  2.35k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  2.35k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 2.35k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  2.35k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  2.35k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 2.35k, False: 0]
  ------------------
 1346|  2.35k|                pos.copy_sizes(
 1347|  2.35k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  2.35k|                newr->d.count    = newcount;
 1349|  2.35k|                newn->inner()[0] = get<1>(subs);
 1350|  2.35k|                std::copy(node->inner() + idx + 1,
 1351|  2.35k|                          node->inner() + count,
 1352|  2.35k|                          newn->inner() + 1);
 1353|  2.35k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 2.35k, False: 0]
  ------------------
 1354|  2.35k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  2.35k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 2.35k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  2.35k|                }
 1358|  2.35k|                return std::make_tuple(pos.shift(), newn);
 1359|  2.35k|            }
 1360|  2.35k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  2.35k|        }
 1373|  2.35k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|  4.19k|    {
 1378|  4.19k|        auto node   = pos.node();
 1379|  4.19k|        auto idx    = pos.index(first);
 1380|  4.19k|        auto count  = pos.count();
 1381|  4.19k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [True: 0, Folded]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|  4.19k|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 1.90k, False: 2.29k]
  ------------------
 1384|  4.19k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 1.90k, False: 2.29k]
  ------------------
 1385|  1.90k|            auto data     = node->leaf();
 1386|  1.90k|            auto newcount = count - idx;
 1387|  1.90k|            std::move(data + idx, data + count, data);
 1388|  1.90k|            detail::destroy_n(data + newcount, idx);
 1389|  1.90k|            return std::make_tuple(0, node);
 1390|  2.29k|        } else {
 1391|  2.29k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  2.29k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [True: 2.29k, Folded]
  ------------------
 1393|  2.29k|                pos.visit(dec_visitor{});
 1394|  2.29k|            return std::make_tuple(0, newn);
 1395|  2.29k|        }
 1396|  4.19k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  2.29k|    {
 1304|  2.29k|        auto idx    = pos.subindex(first);
 1305|  2.29k|        auto count  = pos.count();
 1306|  2.29k|        auto node   = pos.node();
 1307|  2.29k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [True: 0, Folded]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [Folded, False: 0]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  2.29k|        auto left_size          = pos.size_before(idx);
 1313|  2.29k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  2.29k|        auto dropped_size       = first;
 1315|  2.29k|        auto child_dropped_size = dropped_size - left_size;
 1316|  2.29k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 2.29k]
  |  Branch (1316:25): [True: 0, False: 0]
  |  Branch (1316:45): [True: 0, False: 0]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [True: 0, Folded]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  2.29k|        } else {
 1325|  2.29k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  2.29k|            auto newcount = count - idx;
 1330|  2.29k|            auto newn =
 1331|  2.29k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 2.29k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  2.29k|                       : node_t::make_inner_r_e(e);
 1336|  2.29k|            auto newr = newn->relaxed();
 1337|  2.29k|            IMMER_TRY {
  ------------------
  |  |   49|  2.29k|#define IMMER_TRY try
  ------------------
 1338|  2.29k|                auto subs =
 1339|  2.29k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 2.29k]
  ------------------
 1340|  2.29k|                           : pos.towards_sub_oh(
 1341|  2.29k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  2.29k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 2.29k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  2.29k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  2.29k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 2.29k, False: 0]
  ------------------
 1346|  2.29k|                pos.copy_sizes(
 1347|  2.29k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  2.29k|                newr->d.count    = newcount;
 1349|  2.29k|                newn->inner()[0] = get<1>(subs);
 1350|  2.29k|                std::copy(node->inner() + idx + 1,
 1351|  2.29k|                          node->inner() + count,
 1352|  2.29k|                          newn->inner() + 1);
 1353|  2.29k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 2.29k, False: 0]
  ------------------
 1354|  2.29k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  2.29k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 2.29k, Folded]
  ------------------
 1356|  2.29k|                        pos.visit(dec_visitor{});
 1357|  2.29k|                }
 1358|  2.29k|                return std::make_tuple(pos.shift(), newn);
 1359|  2.29k|            }
 1360|  2.29k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  2.29k|        }
 1373|  2.29k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE10visit_leafIRNS1_12leaf_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1377|  46.4k|    {
 1378|  46.4k|        auto node   = pos.node();
 1379|  46.4k|        auto idx    = pos.index(first);
 1380|  46.4k|        auto count  = pos.count();
 1381|  46.4k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [Folded, False: 46.4k]
  ------------------
 1382|      0|                      std::is_nothrow_move_constructible<value_t>::value &&
  ------------------
  |  Branch (1382:23): [True: 0, Folded]
  ------------------
 1383|      0|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 0, False: 0]
  ------------------
 1384|  46.4k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 0, False: 46.4k]
  ------------------
 1385|      0|            auto data     = node->leaf();
 1386|      0|            auto newcount = count - idx;
 1387|      0|            std::move(data + idx, data + count, data);
 1388|      0|            detail::destroy_n(data + newcount, idx);
 1389|      0|            return std::make_tuple(0, node);
 1390|  46.4k|        } else {
 1391|  46.4k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  46.4k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [Folded, False: 46.4k]
  ------------------
 1393|      0|                pos.visit(dec_visitor{});
 1394|  46.4k|            return std::make_tuple(0, newn);
 1395|  46.4k|        }
 1396|  46.4k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  2.18k|    {
 1304|  2.18k|        auto idx    = pos.subindex(first);
 1305|  2.18k|        auto count  = pos.count();
 1306|  2.18k|        auto node   = pos.node();
 1307|  2.18k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 2.18k]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [Folded, False: 0]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  2.18k|        auto left_size          = pos.size_before(idx);
 1313|  2.18k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  2.18k|        auto dropped_size       = first;
 1315|  2.18k|        auto child_dropped_size = dropped_size - left_size;
 1316|  2.18k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 2.18k]
  |  Branch (1316:25): [True: 0, False: 0]
  |  Branch (1316:45): [True: 0, False: 0]
  ------------------
 1317|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 0]
  ------------------
 1318|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|      0|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 0]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|      0|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 0]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|      0|            return r;
 1324|  2.18k|        } else {
 1325|  2.18k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  2.18k|            auto newcount = count - idx;
 1330|  2.18k|            auto newn =
 1331|  2.18k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 2.18k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  2.18k|                       : node_t::make_inner_r_e(e);
 1336|  2.18k|            auto newr = newn->relaxed();
 1337|  2.18k|            IMMER_TRY {
  ------------------
  |  |   49|  2.18k|#define IMMER_TRY try
  ------------------
 1338|  2.18k|                auto subs =
 1339|  2.18k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 2.18k]
  ------------------
 1340|  2.18k|                           : pos.towards_sub_oh(
 1341|  2.18k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  2.18k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 2.18k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  2.18k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  2.18k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 2.18k, False: 0]
  ------------------
 1346|  2.18k|                pos.copy_sizes(
 1347|  2.18k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  2.18k|                newr->d.count    = newcount;
 1349|  2.18k|                newn->inner()[0] = get<1>(subs);
 1350|  2.18k|                std::copy(node->inner() + idx + 1,
 1351|  2.18k|                          node->inner() + count,
 1352|  2.18k|                          newn->inner() + 1);
 1353|  2.18k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 2.18k, False: 0]
  ------------------
 1354|  2.18k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  2.18k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 2.18k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  2.18k|                }
 1358|  2.18k|                return std::make_tuple(pos.shift(), newn);
 1359|  2.18k|            }
 1360|  2.18k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  2.18k|        }
 1373|  2.18k|    }
_ZN5immer6detail4rbts16dec_left_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
 1198|  1.90k|    {
 1199|  1.90k|        using node_t = node_type<Pos>;
 1200|  1.90k|        auto node    = p.node();
 1201|  1.90k|        if (node->dec()) {
  ------------------
  |  Branch (1201:13): [True: 1.90k, False: 0]
  ------------------
 1202|  1.90k|            p.each_left(dec_t{}, idx);
 1203|  1.90k|            node_t::delete_inner_r(node, p.count());
 1204|  1.90k|        }
 1205|  1.90k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb1EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|   200k|    {
 1247|   200k|        auto idx                = pos.subindex(first);
 1248|   200k|        auto count              = pos.count();
 1249|   200k|        auto node               = pos.node();
 1250|   200k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [True: 200k, Folded]
  |  Branch (1250:47): [True: 158k, False: 42.6k]
  ------------------
 1251|   200k|        auto left_size          = pos.size_before(idx);
 1252|   200k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|   200k|        auto dropped_size       = first;
 1254|   200k|        auto child_dropped_size = dropped_size - left_size;
 1255|   200k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [Folded, False: 200k]
  |  Branch (1255:25): [True: 0, False: 0]
  |  Branch (1255:45): [True: 0, False: 0]
  ------------------
 1256|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 0, False: 0]
  ------------------
 1257|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|      0|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 0, False: 0]
  ------------------
 1259|      0|                pos.visit(dec_left_visitor{}, idx);
 1260|      0|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [True: 0, Folded]
  ------------------
 1261|      0|                pos.visit(dec_visitor{});
 1262|      0|            return r;
 1263|   200k|        } else {
 1264|   200k|            using std::get;
 1265|   200k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 158k, False: 42.6k]
  ------------------
 1266|   200k|                                   : node_t::make_inner_r_e(e);
 1267|   200k|            auto newr     = newn->relaxed();
 1268|   200k|            auto newcount = count - idx;
 1269|   200k|            auto new_child_size = child_size - child_dropped_size;
 1270|   200k|            IMMER_TRY {
  ------------------
  |  |   49|   200k|#define IMMER_TRY try
  ------------------
 1271|   200k|                auto subs =
 1272|   200k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 158k, False: 42.6k]
  ------------------
 1273|   200k|                           : pos.towards_sub_oh(
 1274|  42.6k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|   200k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 158k, False: 42.6k]
  ------------------
 1276|   158k|                    pos.each_left(dec_visitor{}, idx);
 1277|   200k|                pos.copy_sizes(
 1278|   200k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|   200k|                std::copy(node->inner() + idx + 1,
 1280|   200k|                          node->inner() + count,
 1281|   200k|                          newn->inner() + 1);
 1282|   200k|                newn->inner()[0] = get<1>(subs);
 1283|   200k|                newr->d.sizes[0] = new_child_size;
 1284|   200k|                newr->d.count    = newcount;
 1285|   200k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 200k, False: 0]
  ------------------
 1286|   200k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 42.6k, False: 158k]
  ------------------
 1287|  42.6k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  42.6k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [True: 42.6k, Folded]
  ------------------
 1289|  42.6k|                        pos.visit(dec_visitor{});
 1290|  42.6k|                }
 1291|   200k|                return std::make_tuple(pos.shift(), newn);
 1292|   200k|            }
 1293|   200k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|   200k|        }
 1299|   200k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0ELb0EE13visit_relaxedIRNS1_11relaxed_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1246|  50.1k|    {
 1247|  50.1k|        auto idx                = pos.subindex(first);
 1248|  50.1k|        auto count              = pos.count();
 1249|  50.1k|        auto node               = pos.node();
 1250|  50.1k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [Folded, False: 50.1k]
  |  Branch (1250:47): [True: 0, False: 0]
  ------------------
 1251|  50.1k|        auto left_size          = pos.size_before(idx);
 1252|  50.1k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  50.1k|        auto dropped_size       = first;
 1254|  50.1k|        auto child_dropped_size = dropped_size - left_size;
 1255|  50.1k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [Folded, False: 50.1k]
  |  Branch (1255:25): [True: 0, False: 0]
  |  Branch (1255:45): [True: 0, False: 0]
  ------------------
 1256|      0|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 0, False: 0]
  ------------------
 1257|      0|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|      0|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 0, False: 0]
  ------------------
 1259|      0|                pos.visit(dec_left_visitor{}, idx);
 1260|      0|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [Folded, False: 0]
  ------------------
 1261|      0|                pos.visit(dec_visitor{});
 1262|      0|            return r;
 1263|  50.1k|        } else {
 1264|  50.1k|            using std::get;
 1265|  50.1k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 0, False: 50.1k]
  ------------------
 1266|  50.1k|                                   : node_t::make_inner_r_e(e);
 1267|  50.1k|            auto newr     = newn->relaxed();
 1268|  50.1k|            auto newcount = count - idx;
 1269|  50.1k|            auto new_child_size = child_size - child_dropped_size;
 1270|  50.1k|            IMMER_TRY {
  ------------------
  |  |   49|  50.1k|#define IMMER_TRY try
  ------------------
 1271|  50.1k|                auto subs =
 1272|  50.1k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 0, False: 50.1k]
  ------------------
 1273|  50.1k|                           : pos.towards_sub_oh(
 1274|  50.1k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  50.1k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 0, False: 50.1k]
  ------------------
 1276|      0|                    pos.each_left(dec_visitor{}, idx);
 1277|  50.1k|                pos.copy_sizes(
 1278|  50.1k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  50.1k|                std::copy(node->inner() + idx + 1,
 1280|  50.1k|                          node->inner() + count,
 1281|  50.1k|                          newn->inner() + 1);
 1282|  50.1k|                newn->inner()[0] = get<1>(subs);
 1283|  50.1k|                newr->d.sizes[0] = new_child_size;
 1284|  50.1k|                newr->d.count    = newcount;
 1285|  50.1k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 50.1k, False: 0]
  ------------------
 1286|  50.1k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 50.1k, False: 0]
  ------------------
 1287|  50.1k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  50.1k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [Folded, False: 50.1k]
  ------------------
 1289|      0|                        pos.visit(dec_visitor{});
 1290|  50.1k|                }
 1291|  50.1k|                return std::make_tuple(pos.shift(), newn);
 1292|  50.1k|            }
 1293|  50.1k|            IMMER_CATCH (...) {
 1294|      0|                if (!mutate)
  ------------------
  |  Branch (1294:21): [True: 0, False: 0]
  ------------------
 1295|      0|                    node_t::delete_inner_r_e(newn);
 1296|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1297|      0|            }
 1298|  50.1k|        }
 1299|  50.1k|    }
_ZN5immer6detail4rbts22slice_left_mut_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1ELb1EE13visit_regularIRNS1_15regular_sub_posISC_EEEENSt3__15tupleIJjPSC_EEEOT_mNSA_5applyIS7_E4type4editE:
 1303|  2.76k|    {
 1304|  2.76k|        auto idx    = pos.subindex(first);
 1305|  2.76k|        auto count  = pos.count();
 1306|  2.76k|        auto node   = pos.node();
 1307|  2.76k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [True: 0, Folded]
  ------------------
 1308|       |                      // this is more restrictive than actually needed because
 1309|       |                      // it causes the algorithm to also avoid mutating the leaf
 1310|       |                      // in place
 1311|      0|                      && !node_t::embed_relaxed && node->can_mutate(e);
  ------------------
  |  Branch (1311:26): [Folded, False: 0]
  |  Branch (1311:52): [True: 0, False: 0]
  ------------------
 1312|  2.76k|        auto left_size          = pos.size_before(idx);
 1313|  2.76k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  2.76k|        auto dropped_size       = first;
 1315|  2.76k|        auto child_dropped_size = dropped_size - left_size;
 1316|  2.76k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 2.76k, Folded]
  |  Branch (1316:25): [True: 1.89k, False: 876]
  |  Branch (1316:45): [True: 1.11k, False: 779]
  ------------------
 1317|  1.11k|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 1.11k]
  ------------------
 1318|  1.11k|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|  1.11k|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 1.11k]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|  1.11k|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [True: 1.11k, Folded]
  ------------------
 1322|  1.11k|                pos.visit(dec_visitor{});
 1323|  1.11k|            return r;
 1324|  1.65k|        } else {
 1325|  1.65k|            using std::get;
 1326|       |            // if possible, we convert the node to a relaxed one simply by
 1327|       |            // allocating a `relaxed_t` size table for it... maybe some of this
 1328|       |            // magic should be moved as a `node<...>` static method...
 1329|  1.65k|            auto newcount = count - idx;
 1330|  1.65k|            auto newn =
 1331|  1.65k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.65k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.65k|                       : node_t::make_inner_r_e(e);
 1336|  1.65k|            auto newr = newn->relaxed();
 1337|  1.65k|            IMMER_TRY {
  ------------------
  |  |   49|  1.65k|#define IMMER_TRY try
  ------------------
 1338|  1.65k|                auto subs =
 1339|  1.65k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.65k]
  ------------------
 1340|  1.65k|                           : pos.towards_sub_oh(
 1341|  1.65k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.65k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.65k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.65k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.65k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.65k, False: 0]
  ------------------
 1346|  1.65k|                pos.copy_sizes(
 1347|  1.65k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.65k|                newr->d.count    = newcount;
 1349|  1.65k|                newn->inner()[0] = get<1>(subs);
 1350|  1.65k|                std::copy(node->inner() + idx + 1,
 1351|  1.65k|                          node->inner() + count,
 1352|  1.65k|                          newn->inner() + 1);
 1353|  1.65k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.65k, False: 0]
  ------------------
 1354|  1.65k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.65k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 1.65k, Folded]
  ------------------
 1356|  1.65k|                        pos.visit(dec_visitor{});
 1357|  1.65k|                }
 1358|  1.65k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.65k|            }
 1360|  1.65k|            IMMER_CATCH (...) {
 1361|      0|                if (!mutate)
  ------------------
  |  Branch (1361:21): [True: 0, False: 0]
  ------------------
 1362|      0|                    node_t::delete_inner_r_e(newn);
 1363|      0|                else {
 1364|       |                    // restore the regular node that we were
 1365|       |                    // attempting to relax...
 1366|      0|                    node_t::heap::deallocate(node_t::max_sizeof_relaxed,
 1367|      0|                                             node->impl.d.data.inner.relaxed);
 1368|      0|                    node->impl.d.data.inner.relaxed = nullptr;
 1369|      0|                }
 1370|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1371|      0|            }
 1372|  1.65k|        }
 1373|  2.76k|    }
_ZN5immer6detail4rbts14equals_visitor3rrb10visit_nodeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSE_Lj3ELj3EEESF_EEbOT_OT0_PT1_jm:
  349|  12.3k|        {
  350|  12.3k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 12.3k, False: 0]
  ------------------
  351|  12.3k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 11.5k, False: 864]
  ------------------
  352|  12.3k|                       ? visit_maybe_relaxed_sub(rootl,
  353|  11.5k|                                                 shiftl,
  354|  11.5k|                                                 sizel,
  355|  11.5k|                                                 this_t{},
  356|  11.5k|                                                 posr,
  357|  11.5k|                                                 first,
  358|  11.5k|                                                 size_t{})
  359|  12.3k|                       : posr.first_sub_inner(
  360|    864|                             rrb{}, first, rootl, shiftl, sizel);
  361|  12.3k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESG_RNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  32.1k|    {
  383|  32.1k|        auto nl = posl.node();
  384|  32.1k|        auto nr = posr.node();
  385|  32.1k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 9.99k, False: 22.1k]
  ------------------
  386|  9.99k|            return true;
  387|  22.1k|        auto cl = posl.count();
  388|  22.1k|        auto cr = posr.count();
  389|  22.1k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 22.1k, False: 0]
  ------------------
  390|  22.1k|        auto sbr = size_t{};
  391|  22.1k|        auto i   = count_t{};
  392|  22.1k|        auto j   = count_t{};
  393|   122k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 109k, False: 13.2k]
  ------------------
  394|   109k|            auto sbl = posl.size_before(i);
  395|   194k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 174k, False: 19.5k]
  |  Branch (395:34): [True: 85.1k, False: 89.4k]
  ------------------
  396|  85.1k|                ;
  397|   109k|            auto res =
  398|   109k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 54.0k, False: 54.9k]
  ------------------
  399|   109k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|   109k|                    : posl.nth_sub(i,
  401|  54.9k|                                   for_each_chunk_p_visitor{},
  402|  54.9k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|   109k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 8.88k, False: 100k]
  ------------------
  404|  8.88k|                return false;
  405|   109k|        }
  406|  13.2k|        return true;
  407|  22.1k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  25.9k|        {
  337|  25.9k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  25.9k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESG_RNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  427|  26.6k|    {
  428|  26.6k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 16.4k, False: 10.1k]
  ------------------
  429|  16.4k|            return true;
  430|  10.1k|        auto cl = posl.count();
  431|  10.1k|        auto cr = posr.count();
  432|  10.1k|        auto mp = std::min(cl, cr);
  433|  10.1k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 8.67k, False: 1.44k]
  ------------------
  434|  10.1k|                          posl.node()->leaf() + mp,
  435|  10.1k|                          posr.node()->leaf()) &&
  436|  8.67k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 8.21k, False: 461]
  ------------------
  437|  8.67k|                          posl.node()->leaf() + posl.count(),
  438|  8.67k|                          first + (idx + mp));
  439|  26.6k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESH_RNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  23.6k|        {
  330|  23.6k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  23.6k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIX12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  412|  4.22k|    {
  413|  4.22k|        return this_t::visit_relaxed(posl, posr, first, idx);
  414|  4.22k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  4.22k|    {
  383|  4.22k|        auto nl = posl.node();
  384|  4.22k|        auto nr = posr.node();
  385|  4.22k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 4.22k]
  ------------------
  386|      0|            return true;
  387|  4.22k|        auto cl = posl.count();
  388|  4.22k|        auto cr = posr.count();
  389|  4.22k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 4.22k, False: 0]
  ------------------
  390|  4.22k|        auto sbr = size_t{};
  391|  4.22k|        auto i   = count_t{};
  392|  4.22k|        auto j   = count_t{};
  393|  15.5k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 13.5k, False: 2.04k]
  ------------------
  394|  13.5k|            auto sbl = posl.size_before(i);
  395|  22.9k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 19.1k, False: 3.79k]
  |  Branch (395:34): [True: 9.40k, False: 9.71k]
  ------------------
  396|  9.40k|                ;
  397|  13.5k|            auto res =
  398|  13.5k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 8.22k, False: 5.28k]
  ------------------
  399|  13.5k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  13.5k|                    : posl.nth_sub(i,
  401|  5.28k|                                   for_each_chunk_p_visitor{},
  402|  5.28k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  13.5k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 2.18k, False: 11.3k]
  ------------------
  404|  2.18k|                return false;
  405|  13.5k|        }
  406|  2.04k|        return true;
  407|  4.22k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  5.35k|        {
  337|  5.35k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  5.35k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_12leaf_sub_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  427|  12.4k|    {
  428|  12.4k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 7.95k, False: 4.44k]
  ------------------
  429|  7.95k|            return true;
  430|  4.44k|        auto cl = posl.count();
  431|  4.44k|        auto cr = posr.count();
  432|  4.44k|        auto mp = std::min(cl, cr);
  433|  4.44k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 4.10k, False: 338]
  ------------------
  434|  4.44k|                          posl.node()->leaf() + mp,
  435|  4.44k|                          posr.node()->leaf()) &&
  436|  4.10k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 3.82k, False: 282]
  ------------------
  437|  4.10k|                          posl.node()->leaf() + posl.count(),
  438|  4.10k|                          first + (idx + mp));
  439|  12.4k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  1.96k|        {
  330|  1.96k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  1.96k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIX12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  412|  2.21k|    {
  413|  2.21k|        return this_t::visit_relaxed(posl, posr, first, idx);
  414|  2.21k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  2.21k|    {
  383|  2.21k|        auto nl = posl.node();
  384|  2.21k|        auto nr = posr.node();
  385|  2.21k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 2.21k]
  ------------------
  386|      0|            return true;
  387|  2.21k|        auto cl = posl.count();
  388|  2.21k|        auto cr = posr.count();
  389|  2.21k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 2.21k, False: 0]
  ------------------
  390|  2.21k|        auto sbr = size_t{};
  391|  2.21k|        auto i   = count_t{};
  392|  2.21k|        auto j   = count_t{};
  393|  16.8k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 15.2k, False: 1.60k]
  ------------------
  394|  15.2k|            auto sbl = posl.size_before(i);
  395|  27.1k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 23.3k, False: 3.73k]
  |  Branch (395:34): [True: 11.8k, False: 11.4k]
  ------------------
  396|  11.8k|                ;
  397|  15.2k|            auto res =
  398|  15.2k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 9.24k, False: 5.98k]
  ------------------
  399|  15.2k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  15.2k|                    : posl.nth_sub(i,
  401|  5.98k|                                   for_each_chunk_p_visitor{},
  402|  5.98k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  15.2k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 614, False: 14.6k]
  ------------------
  404|    614|                return false;
  405|  15.2k|        }
  406|  1.60k|        return true;
  407|  2.21k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_8full_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  7.74k|        {
  337|  7.74k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  7.74k|        }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_8full_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|    580|        {
  330|    580|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    580|        }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_8full_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|    925|        {
  330|    925|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    925|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIXnt12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  419|  1.83k|    {
  420|  1.83k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 1.83k, False: 0]
  ------------------
  421|  1.83k|                   ? this_t::visit_regular(posl, posr.node())
  422|  1.83k|                   : this_t::visit_regular(posr, posl.node());
  423|  1.83k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  13.8k|    {
  444|  13.8k|        auto node = pos.node();
  445|  13.8k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 9.39k, False: 4.45k]
  |  Branch (445:33): [True: 2.51k, False: 1.93k]
  ------------------
  446|  13.8k|    }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  450|  29.4k|    {
  451|  29.4k|        auto node = pos.node();
  452|  29.4k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 19.5k, False: 9.88k]
  |  Branch (452:33): [True: 7.31k, False: 2.57k]
  ------------------
  453|  9.88k|                                           node->leaf() + pos.count(),
  454|  9.88k|                                           other->leaf());
  455|  29.4k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  12.6k|    {
  444|  12.6k|        auto node = pos.node();
  445|  12.6k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 7.17k, False: 5.44k]
  |  Branch (445:33): [True: 2.28k, False: 3.15k]
  ------------------
  446|  12.6k|    }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  450|  2.84k|    {
  451|  2.84k|        auto node = pos.node();
  452|  2.84k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 1.51k, False: 1.33k]
  |  Branch (452:33): [True: 490, False: 847]
  ------------------
  453|  1.33k|                                           node->leaf() + pos.count(),
  454|  1.33k|                                           other->leaf());
  455|  2.84k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  3.02k|    {
  444|  3.02k|        auto node = pos.node();
  445|  3.02k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 287, False: 2.73k]
  |  Branch (445:33): [True: 1.59k, False: 1.14k]
  ------------------
  446|  3.02k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  112|   254k|    {
  113|   254k|        auto data = as_const(pos.node()->leaf());
  114|   254k|        return fn(data, data + pos.count());
  115|   254k|    }
_ZZN5immer6detail4rbts14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaOT_ENUlSE_T0_E_clIPKiSK_EEDaSE_SG_:
  367|  1.20M|        return [iter](auto f, auto e) mutable {
  368|  1.20M|            if (f == &*iter) {
  ------------------
  |  Branch (368:17): [True: 85.0k, False: 1.11M]
  ------------------
  369|  85.0k|                iter += e - f;
  370|  85.0k|                return true;
  371|  85.0k|            }
  372|  9.50M|            for (; f != e; ++f, ++iter)
  ------------------
  |  Branch (372:20): [True: 8.39M, False: 1.11M]
  ------------------
  373|  8.39M|                if (*f != *iter)
  ------------------
  |  Branch (373:21): [True: 4.64k, False: 8.39M]
  ------------------
  374|  4.64k|                    return false;
  375|  1.11M|            return true;
  376|  1.11M|        };
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|  4.51M|    {
   54|  4.51M|        return pos.towards(this_t{}, idx);
   55|  4.51M|    }
_ZN5immer6detail4rbts18region_for_visitorIiE10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   59|   980k|    {
   60|   980k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|   980k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|   290k|    {
   54|   290k|        return pos.towards(this_t{}, idx);
   55|   290k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   59|   270k|    {
   60|   270k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|   270k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|   288k|    {
   54|   288k|        return pos.towards(this_t{}, idx);
   55|   288k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   59|  20.3k|    {
   60|  20.3k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|  20.3k|    }
_ZN5immer6detail4rbts18region_for_visitorIiE11visit_innerIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEENSt3__15tupleIJPimmEEEOT_m:
   53|  30.7k|    {
   54|  30.7k|        return pos.towards(this_t{}, idx);
   55|  30.7k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|  20.9k|    {
  107|  20.9k|        return pos.each_pred(this_t{}, fn);
  108|  20.9k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESH_RNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|    910|        {
  330|    910|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    910|        }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESG_RNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIXnt12is_relaxed_vIT0_EEbE4typeEOT_OSM_OT1_m:
  419|  9.99k|    {
  420|  9.99k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 9.99k, False: 0]
  ------------------
  421|  9.99k|                   ? this_t::visit_regular(posl, posr.node())
  422|  9.99k|                   : this_t::visit_regular(posr, posl.node());
  423|  9.99k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  112|   931k|    {
  113|   931k|        auto data = as_const(pos.node()->leaf());
  114|   931k|        return fn(data, data + pos.count());
  115|   931k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|  17.8k|    {
  107|  17.8k|        return pos.each_pred(this_t{}, fn);
  108|  17.8k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  112|  15.5k|    {
  113|  15.5k|        auto data = as_const(pos.node()->leaf());
  114|  15.5k|        return fn(data, data + pos.count());
  115|  15.5k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|  3.89k|    {
  107|  3.89k|        return pos.each_pred(this_t{}, fn);
  108|  3.89k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  4.98k|        {
  330|  4.98k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  4.98k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_15regular_sub_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  3.66k|    {
  383|  3.66k|        auto nl = posl.node();
  384|  3.66k|        auto nr = posr.node();
  385|  3.66k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 3.66k]
  ------------------
  386|      0|            return true;
  387|  3.66k|        auto cl = posl.count();
  388|  3.66k|        auto cr = posr.count();
  389|  3.66k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 3.66k, False: 0]
  ------------------
  390|  3.66k|        auto sbr = size_t{};
  391|  3.66k|        auto i   = count_t{};
  392|  3.66k|        auto j   = count_t{};
  393|  15.7k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 13.9k, False: 1.86k]
  ------------------
  394|  13.9k|            auto sbl = posl.size_before(i);
  395|  22.4k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 19.5k, False: 2.89k]
  |  Branch (395:34): [True: 8.52k, False: 11.0k]
  ------------------
  396|  8.52k|                ;
  397|  13.9k|            auto res =
  398|  13.9k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 7.83k, False: 6.07k]
  ------------------
  399|  13.9k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  13.9k|                    : posl.nth_sub(i,
  401|  6.07k|                                   for_each_chunk_p_visitor{},
  402|  6.07k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  13.9k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 1.80k, False: 12.1k]
  ------------------
  404|  1.80k|                return false;
  405|  13.9k|        }
  406|  1.86k|        return true;
  407|  3.66k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  336|  11.8k|        {
  337|  11.8k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  11.8k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_13full_leaf_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  427|  11.8k|    {
  428|  11.8k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 9.05k, False: 2.75k]
  ------------------
  429|  9.05k|            return true;
  430|  2.75k|        auto cl = posl.count();
  431|  2.75k|        auto cr = posr.count();
  432|  2.75k|        auto mp = std::min(cl, cr);
  433|  2.75k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 2.44k, False: 314]
  ------------------
  434|  2.75k|                          posl.node()->leaf() + mp,
  435|  2.75k|                          posr.node()->leaf()) &&
  436|  2.44k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 2.44k, False: 0]
  ------------------
  437|  2.44k|                          posl.node()->leaf() + posl.count(),
  438|  2.44k|                          first + (idx + mp));
  439|  11.8k|    }
_ZN5immer6detail4rbts14equals_visitor10this_aux_t11visit_innerIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_11relaxed_posISF_EERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEEEEbOT_jOT0_OT1_m:
  329|  4.55k|        {
  330|  4.55k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  4.55k|        }
_ZN5immer6detail4rbts14equals_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_8full_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEbOT_OT0_OT1_m:
  382|  1.92k|    {
  383|  1.92k|        auto nl = posl.node();
  384|  1.92k|        auto nr = posr.node();
  385|  1.92k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 1.92k]
  ------------------
  386|      0|            return true;
  387|  1.92k|        auto cl = posl.count();
  388|  1.92k|        auto cr = posr.count();
  389|  1.92k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 1.92k, False: 0]
  ------------------
  390|  1.92k|        auto sbr = size_t{};
  391|  1.92k|        auto i   = count_t{};
  392|  1.92k|        auto j   = count_t{};
  393|  15.8k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 14.2k, False: 1.61k]
  ------------------
  394|  14.2k|            auto sbl = posl.size_before(i);
  395|  26.0k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 24.9k, False: 1.07k]
  |  Branch (395:34): [True: 11.7k, False: 13.2k]
  ------------------
  396|  11.7k|                ;
  397|  14.2k|            auto res =
  398|  14.2k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 9.06k, False: 5.21k]
  ------------------
  399|  14.2k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  14.2k|                    : posl.nth_sub(i,
  401|  5.21k|                                   for_each_chunk_p_visitor{},
  402|  5.21k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  14.2k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 307, False: 13.9k]
  ------------------
  404|    307|                return false;
  405|  14.2k|        }
  406|  1.61k|        return true;
  407|  1.92k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_8full_posISE_EERNS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEENSt3__19enable_ifIXnt12is_relaxed_vIT0_EEbE4typeEOT_OSP_OT1_m:
  419|  2.62k|    {
  420|  2.62k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 2.62k, False: 0]
  ------------------
  421|  2.62k|                   ? this_t::visit_regular(posl, posr.node())
  422|  2.62k|                   : this_t::visit_regular(posr, posl.node());
  423|  2.62k|    }
_ZN5immer6detail4rbts24for_each_chunk_p_visitor11visit_innerIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSD_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEbSM_OSN_:
  106|   141k|    {
  107|   141k|        return pos.each_pred(this_t{}, fn);
  108|   141k|    }
_ZN5immer6detail4rbts14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaOT_:
  366|  77.5k|    {
  367|  77.5k|        return [iter](auto f, auto e) mutable {
  368|  77.5k|            if (f == &*iter) {
  369|  77.5k|                iter += e - f;
  370|  77.5k|                return true;
  371|  77.5k|            }
  372|  77.5k|            for (; f != e; ++f, ++iter)
  373|  77.5k|                if (*f != *iter)
  374|  77.5k|                    return false;
  375|  77.5k|            return true;
  376|  77.5k|        };
  377|  77.5k|    }
_ZN5immer6detail4rbts14equals_visitor3rrb10visit_nodeIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_16rrbtree_iteratorIiSE_Lj3ELj3EEESF_EEbOT_OT0_PT1_jm:
  349|  1.13k|        {
  350|  1.13k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 1.13k, False: 0]
  ------------------
  351|  1.13k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 864, False: 268]
  ------------------
  352|  1.13k|                       ? visit_maybe_relaxed_sub(rootl,
  353|    864|                                                 shiftl,
  354|    864|                                                 sizel,
  355|    864|                                                 this_t{},
  356|    864|                                                 posr,
  357|    864|                                                 first,
  358|    864|                                                 size_t{})
  359|  1.13k|                       : posr.first_sub_inner(
  360|    268|                             rrb{}, first, rootl, shiftl, sizel);
  361|  1.13k|        }
_ZN5immer6detail4rbts14equals_visitor3rrb10visit_nodeIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSE_Lj3ELj3EEESF_EEbOT_OT0_PT1_jm:
  349|  8.67k|        {
  350|  8.67k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 8.67k, False: 0]
  ------------------
  351|  8.67k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 8.67k, False: 0]
  ------------------
  352|  8.67k|                       ? visit_maybe_relaxed_sub(rootl,
  353|  8.67k|                                                 shiftl,
  354|  8.67k|                                                 sizel,
  355|  8.67k|                                                 this_t{},
  356|  8.67k|                                                 posr,
  357|  8.67k|                                                 first,
  358|  8.67k|                                                 size_t{})
  359|  8.67k|                       : posr.first_sub_inner(
  360|      0|                             rrb{}, first, rootl, shiftl, sizel);
  361|  8.67k|        }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  450|  6.52k|    {
  451|  6.52k|        auto node = pos.node();
  452|  6.52k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 1.77k, False: 4.75k]
  |  Branch (452:33): [True: 2.05k, False: 2.70k]
  ------------------
  453|  4.75k|                                           node->leaf() + pos.count(),
  454|  4.75k|                                           other->leaf());
  455|  6.52k|    }

_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_11dec_visitorEJEEEDcPT_jmT0_DpOT1_:
 1838|   152M|{
 1839|   152M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 152M, False: 0]
  ------------------
 1840|   152M|    auto relaxed = node->relaxed();
 1841|   152M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 137M, False: 14.9M]
  ------------------
 1842|   137M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 137M, False: 0]
  ------------------
 1843|   137M|        return make_relaxed_pos(node, shift, relaxed)
 1844|   137M|            .visit(v, std::forward<Args>(args)...);
 1845|   137M|    } else {
 1846|  14.9M|        return make_regular_sub_pos(node, shift, size)
 1847|  14.9M|            .visit(v, std::forward<Args>(args)...);
 1848|  14.9M|    }
 1849|   152M|}
_ZN5immer6detail4rbts16make_relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11relaxed_posIT_EEPSE_jPNSE_9relaxed_tE:
 1828|   386M|{
 1829|   386M|    assert(node);
  ------------------
  |  Branch (1829:5): [True: 386M, False: 0]
  ------------------
 1830|   386M|    assert(relaxed);
  ------------------
  |  Branch (1830:5): [True: 386M, False: 0]
  ------------------
 1831|   386M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1831:5): [True: 386M, False: 0]
  ------------------
 1832|   386M|    return {node, shift, relaxed};
 1833|   386M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1813|   156M|    {
 1814|   156M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   156M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
 1431|   260M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
 1476|  31.1M|    {
 1477|  31.1M|        each_left(v, relaxed_->d.count, args...);
 1478|  31.1M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_leftINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1623|  31.3M|    {
 1624|  31.3M|        auto p = node_->inner();
 1625|  31.3M|        auto s = size_t{};
 1626|  31.3M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 6.48M, False: 24.8M]
  ------------------
 1627|  52.6M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 46.1M, False: 6.48M]
  ------------------
 1628|  46.1M|                IMMER_PREFETCH(p + i + 1);
 1629|  46.1M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  46.1M|                    .visit(v, args...);
 1631|  46.1M|                s = relaxed_->d.sizes[i];
 1632|  46.1M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 46.1M, False: 0]
  ------------------
 1633|  46.1M|            }
 1634|  24.8M|        } else {
 1635|  24.8M|            auto ss = shift_ - B;
 1636|   175M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 150M, False: 24.8M]
  ------------------
 1637|   150M|                visit_maybe_relaxed_sub(
 1638|   150M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|   150M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 150M, False: 0]
  ------------------
 1641|   150M|            }
 1642|  24.8M|        }
 1643|  31.3M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
 1430|   237M|    count_t count() const { return relaxed_->d.count; }
_ZN5immer6detail4rbts20make_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_15regular_sub_posIT_EEPSE_jm:
 1044|  24.9M|{
 1045|  24.9M|    assert(node);
  ------------------
  |  Branch (1045:5): [True: 24.9M, False: 0]
  ------------------
 1046|  24.9M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1046:5): [True: 24.9M, False: 0]
  ------------------
 1047|  24.9M|    assert(size > 0);
  ------------------
  |  Branch (1047:5): [True: 24.9M, False: 0]
  ------------------
 1048|  24.9M|    assert(size <= (branches<NodeT::bits, size_t> << shift));
  ------------------
  |  Branch (1048:5): [True: 24.9M, False: 0]
  ------------------
 1049|  24.9M|    return {node, shift, size};
 1050|  24.9M|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1036|  14.9M|    {
 1037|  14.9M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  14.9M|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  785|  25.0M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
  825|   434k|    {
  826|   434k|        return each_regular(*this, v, args...);
  827|   434k|    }
_ZN5immer6detail4rbts12each_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_DpOT1_:
  343|   434k|{
  344|   434k|    constexpr auto B  = bits<Pos>;
  345|   434k|    constexpr auto BL = bits_leaf<Pos>;
  346|   434k|    auto n            = p.node()->inner();
  347|   434k|    auto last         = p.count() - 1;
  348|   434k|    auto e            = n + last;
  349|   434k|    if (p.shift() == BL) {
  ------------------
  |  Branch (349:9): [True: 91.4k, False: 342k]
  ------------------
  350|   229k|        for (; n != e; ++n) {
  ------------------
  |  Branch (350:16): [True: 138k, False: 91.4k]
  ------------------
  351|   138k|            IMMER_PREFETCH(n + 1);
  352|   138k|            make_full_leaf_pos(*n).visit(v, args...);
  353|   138k|        }
  354|  91.4k|        make_leaf_pos(*n, p.size()).visit(v, args...);
  355|   342k|    } else {
  356|   342k|        auto ss = p.shift() - B;
  357|  1.27M|        for (; n != e; ++n)
  ------------------
  |  Branch (357:16): [True: 934k, False: 342k]
  ------------------
  358|   934k|            make_full_pos(*n, ss).visit(v, args...);
  359|   342k|        make_regular_pos(*n, ss, p.size()).visit(v, args...);
  360|   342k|    }
  361|   434k|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  787|  9.73M|    shift_t shift() const { return shift_; }
_ZN5immer6detail4rbts18make_full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_13full_leaf_posIT_EEPSE_:
  214|  12.1M|{
  215|  12.1M|    assert(node);
  ------------------
  |  Branch (215:5): [True: 12.1M, False: 0]
  ------------------
  216|  12.1M|    return {node};
  217|  12.1M|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  207|  1.69M|    {
  208|  1.69M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.69M|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  199|  7.41M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
  198|  10.9M|    count_t count() const { return branches<BL>; }
_ZN5immer6detail4rbts13make_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_8leaf_posIT_EEPSE_m:
  119|  1.48M|{
  120|  1.48M|    assert(node);
  ------------------
  |  Branch (120:5): [True: 1.48M, False: 0]
  ------------------
  121|  1.48M|    assert(size > 0);
  ------------------
  |  Branch (121:5): [True: 1.48M, False: 0]
  ------------------
  122|  1.48M|    return {node, size};
  123|  1.48M|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
  786|  6.78M|    size_t size() const { return size_; }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  112|   397k|    {
  113|   397k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|   397k|    }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  104|  1.48M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
  103|  2.13M|    count_t count() const { return index(size_ - 1) + 1; }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  107|  2.20M|    count_t index(size_t idx) const { return idx & mask<BL>; }
_ZN5immer6detail4rbts13make_full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_8full_posIT_EEPSE_j:
 1412|  4.34M|{
 1413|  4.34M|    assert(node);
  ------------------
  |  Branch (1413:5): [True: 4.34M, False: 0]
  ------------------
 1414|  4.34M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1414:5): [True: 4.34M, False: 0]
  ------------------
 1415|  4.34M|    return {node, shift};
 1416|  4.34M|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1405|  2.87M|    {
 1406|  2.87M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.87M|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
 1159|  3.48M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
 1185|  94.6k|    {
 1186|  94.6k|        auto p = node_->inner();
 1187|  94.6k|        auto e = p + branches<B>;
 1188|  94.6k|        if (shift_ == BL) {
  ------------------
  |  Branch (1188:13): [True: 82.5k, False: 12.1k]
  ------------------
 1189|   742k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1189:20): [True: 660k, False: 82.5k]
  ------------------
 1190|   660k|                IMMER_PREFETCH(p + 1);
 1191|   660k|                make_full_leaf_pos(*p).visit(v, args...);
 1192|   660k|            }
 1193|  82.5k|        } else {
 1194|  12.1k|            auto ss = shift_ - B;
 1195|   109k|            for (; p != e; ++p)
  ------------------
  |  Branch (1195:20): [True: 96.8k, False: 12.1k]
  ------------------
 1196|  96.8k|                make_full_pos(*p, ss).visit(v, args...);
 1197|  12.1k|        }
 1198|  94.6k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
 1158|  1.23M|    count_t count() const { return branches<B>; }
_ZN5immer6detail4rbts16make_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11regular_posIT_EEPSE_jm:
  690|  2.84M|{
  691|  2.84M|    assert(node);
  ------------------
  |  Branch (691:5): [True: 2.84M, False: 0]
  ------------------
  692|  2.84M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (692:5): [True: 2.84M, False: 0]
  ------------------
  693|  2.84M|    assert(size > 0);
  ------------------
  |  Branch (693:5): [True: 2.84M, False: 0]
  ------------------
  694|  2.84M|    return {node, shift, size};
  695|  2.84M|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  336|   916k|    {
  337|   916k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|   916k|    }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  231|  4.99M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4eachINS1_11dec_visitorEJEEEvT_DpOT0_:
  243|   866k|    {
  244|   866k|        return each_regular(*this, v, args...);
  245|   866k|    }
_ZN5immer6detail4rbts12each_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_DpOT1_:
  343|   866k|{
  344|   866k|    constexpr auto B  = bits<Pos>;
  345|   866k|    constexpr auto BL = bits_leaf<Pos>;
  346|   866k|    auto n            = p.node()->inner();
  347|   866k|    auto last         = p.count() - 1;
  348|   866k|    auto e            = n + last;
  349|   866k|    if (p.shift() == BL) {
  ------------------
  |  Branch (349:9): [True: 302k, False: 564k]
  ------------------
  350|  1.17M|        for (; n != e; ++n) {
  ------------------
  |  Branch (350:16): [True: 872k, False: 302k]
  ------------------
  351|   872k|            IMMER_PREFETCH(n + 1);
  352|   872k|            make_full_leaf_pos(*n).visit(v, args...);
  353|   872k|        }
  354|   302k|        make_leaf_pos(*n, p.size()).visit(v, args...);
  355|   564k|    } else {
  356|   564k|        auto ss = p.shift() - B;
  357|  2.38M|        for (; n != e; ++n)
  ------------------
  |  Branch (357:16): [True: 1.82M, False: 564k]
  ------------------
  358|  1.82M|            make_full_pos(*n, ss).visit(v, args...);
  359|   564k|        make_regular_pos(*n, ss, p.size()).visit(v, args...);
  360|   564k|    }
  361|   866k|}
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  233|  4.65M|    shift_t shift() const { return shift_; }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
  232|  7.77M|    size_t size() const { return size_; }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
  230|  3.09M|    count_t count() const { return index(size_ - 1) + 1; }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  234|  6.95M|    count_t index(size_t idx) const { return (idx >> shift_) & mask<B>; }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
  784|  18.2M|    count_t count() const { return subindex(size_ - 1) + 1; }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8subindexEm:
  789|  21.4M|    count_t subindex(size_t idx) const { return idx >> shift_; }
_ZN5immer6detail4rbts22make_empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_17empty_regular_posIT_EEPSE_:
   64|  1.47M|{
   65|  1.47M|    return {node};
   66|  1.47M|}
_ZN5immer6detail4rbts17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
   57|  1.47M|    {
   58|  1.47M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
   59|  1.47M|    }
_ZNK5immer6detail4rbts17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
   41|  1.47M|    node_t* node() const { return node_; }
_ZN5immer6detail4rbts17make_leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_12leaf_sub_posIT_EEPSE_j:
  151|  69.7M|{
  152|  69.7M|    assert(node);
  ------------------
  |  Branch (152:5): [True: 69.7M, False: 0]
  ------------------
  153|  69.7M|    assert(count <= branches<NodeT::bits_leaf>);
  ------------------
  |  Branch (153:5): [True: 69.7M, False: 0]
  ------------------
  154|  69.7M|    return {node, count};
  155|  69.7M|}
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  144|  51.1M|    {
  145|  51.1M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  51.1M|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  136|  62.5M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
  135|  19.5M|    count_t count() const { return count_; }
_ZN5immer6detail4rbts19make_empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_14empty_leaf_posIT_EEPSE_:
   88|  1.33M|{
   89|  1.33M|    assert(node);
  ------------------
  |  Branch (89:5): [True: 1.33M, False: 0]
  ------------------
   90|  1.33M|    return {node};
   91|  1.33M|}
_ZN5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
   81|  1.33M|    {
   82|  1.33M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
   83|  1.33M|    }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
   75|  1.33M|    node_t* node() const { return node_; }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
   74|  7.26k|    count_t count() const { return 0; }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcT_DpOT0_:
 1813|   195k|    {
 1814|   195k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   195k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
 1433|  24.5M|    shift_t shift() const { return shift_; }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEj:
 1443|  11.6M|    {
 1444|  11.6M|        return size_sbh(offset, size_before(offset));
 1445|  11.6M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8size_sbhEjm:
 1448|  12.0M|    {
 1449|  12.0M|        assert(size_before_hint == size_before(offset));
  ------------------
  |  Branch (1449:9): [True: 12.0M, False: 0]
  ------------------
 1450|  12.0M|        return relaxed_->d.sizes[offset] - size_before_hint;
 1451|  12.0M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11size_beforeEj:
 1438|  43.1M|    {
 1439|  43.1M|        return offset ? relaxed_->d.sizes[offset - 1] : 0;
  ------------------
  |  Branch (1439:16): [True: 28.3M, False: 14.8M]
  ------------------
 1440|  43.1M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11last_oh_cshINS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcT_jmDpOT0_:
 1737|   180k|    {
 1738|   180k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 180k, False: 0]
  ------------------
 1739|   180k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 180k, False: 0]
  ------------------
 1740|   180k|        auto child   = node_->inner()[offset_hint];
 1741|   180k|        auto is_leaf = shift_ == BL;
 1742|   180k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 180k]
  ------------------
 1743|   180k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|   180k|                   : visit_maybe_relaxed_sub(
 1745|   180k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|   180k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcPT_jmT0_DpOT1_:
 1838|   180k|{
 1839|   180k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 180k, False: 0]
  ------------------
 1840|   180k|    auto relaxed = node->relaxed();
 1841|   180k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 140k, False: 39.9k]
  ------------------
 1842|   140k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 140k, False: 0]
  ------------------
 1843|   140k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   140k|            .visit(v, std::forward<Args>(args)...);
 1845|   140k|    } else {
 1846|  39.9k|        return make_regular_sub_pos(node, shift, size)
 1847|  39.9k|            .visit(v, std::forward<Args>(args)...);
 1848|  39.9k|    }
 1849|   180k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_RjEEEDcT_DpOT0_:
 1036|  39.9k|    {
 1037|  39.9k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  39.9k|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  788|  2.13M|    count_t index(size_t idx) const { return (idx >> shift_) & mask<B>; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7last_ohINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_jDpOT0_:
  952|   306k|    {
  953|   306k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|   306k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_17push_tail_visitorISD_EEJRPSD_EEEDcOT_T0_jDpOT1_:
  677|   306k|{
  678|   306k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 306k, False: 0]
  ------------------
  679|   306k|    constexpr auto B  = bits<Pos>;
  680|   306k|    constexpr auto BL = bits_leaf<Pos>;
  681|   306k|    auto child        = p.node()->inner()[offset_hint];
  682|   306k|    auto is_leaf      = p.shift() == BL;
  683|   306k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 306k]
  ------------------
  684|   306k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   306k|                         .visit(v, args...);
  686|   306k|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_DpOT0_:
  336|   823k|    {
  337|   823k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|   823k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7last_ohINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_jDpOT0_:
  330|   517k|    {
  331|   517k|        return last_oh_regular(*this, v, offset_hint, args...);
  332|   517k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_17push_tail_visitorISD_EEJRPSD_EEEDcOT_T0_jDpOT1_:
  677|   517k|{
  678|   517k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 517k, False: 0]
  ------------------
  679|   517k|    constexpr auto B  = bits<Pos>;
  680|   517k|    constexpr auto BL = bits_leaf<Pos>;
  681|   517k|    auto child        = p.node()->inner()[offset_hint];
  682|   517k|    auto is_leaf      = p.shift() == BL;
  683|   517k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 517k]
  ------------------
  684|   517k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   517k|                         .visit(v, args...);
  686|   517k|}
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
 1432|   102M|    size_t size() const { return relaxed_->d.sizes[relaxed_->d.count - 1]; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17push_tail_visitorISC_EEJRPSC_EEEDcT_DpOT0_:
 1036|   297k|    {
 1037|   297k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   297k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_DpOT0_:
  144|  58.5k|    {
  145|  58.5k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  58.5k|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  139|  1.20M|    count_t index(size_t idx) const { return idx & mask<BL>; }
flex-vector-bo.cpp:_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSJ_E_EEEDcPSJ_jmT0_DpOT1_:
 1838|   286k|{
 1839|   286k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 286k, False: 0]
  ------------------
 1840|   286k|    auto relaxed = node->relaxed();
 1841|   286k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 234k, False: 52.0k]
  ------------------
 1842|   234k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 234k, False: 0]
  ------------------
 1843|   234k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   234k|            .visit(v, std::forward<Args>(args)...);
 1845|   234k|    } else {
 1846|  52.0k|        return make_regular_sub_pos(node, shift, size)
 1847|  52.0k|            .visit(v, std::forward<Args>(args)...);
 1848|  52.0k|    }
 1849|   286k|}
flex-vector-bo.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1813|   234k|    {
 1814|   234k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   234k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
 1454|  16.1M|    {
 1455|  16.1M|        auto offset = idx >> shift_;
 1456|  23.2M|        while (relaxed_->d.sizes[offset] <= idx)
  ------------------
  |  Branch (1456:16): [True: 7.06M, False: 16.1M]
  ------------------
 1457|  7.06M|            ++offset;
 1458|  16.1M|        return offset;
 1459|  16.1M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7relaxedEv:
 1435|   234k|    relaxed_t* relaxed() const { return relaxed_; }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjDpOT0_:
 1686|   234k|    {
 1687|   234k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 234k, False: 0]
  ------------------
 1688|   234k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 59.0k, False: 175k]
  ------------------
 1689|   234k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|   234k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjmDpOT0_:
 1698|   234k|    {
 1699|   234k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|   234k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjmDpOT0_:
 1717|   234k|    {
 1718|   234k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 234k, False: 0]
  ------------------
 1719|   234k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 59.0k, False: 175k]
  |  Branch (1719:9): [True: 234k, False: 0]
  ------------------
 1720|   234k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   234k|        auto child     = node_->inner()[offset_hint];
 1722|   234k|        auto is_leaf   = shift_ == BL;
 1723|   234k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   234k|        auto next_idx  = idx - left_size_hint;
 1725|   234k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 61.0k, False: 173k]
  ------------------
 1726|   234k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  61.0k|                         .visit(v, next_idx, args...)
 1728|   234k|                   : visit_maybe_relaxed_sub(
 1729|   173k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   234k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  144|  61.0k|    {
  145|  61.0k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  61.0k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1036|  52.0k|    {
 1037|  52.0k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  52.0k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13towards_oh_chINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
  938|  52.0k|    {
  939|  52.0k|        return towards_oh_ch_regular(
  940|  52.0k|            *this, v, idx, offset_hint, count(), args...);
  941|  52.0k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_14update_visitorISD_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcOSL_T0_mjjDpOT1_:
  632|  52.0k|{
  633|  52.0k|    constexpr auto B  = bits<Pos>;
  634|  52.0k|    constexpr auto BL = bits_leaf<Pos>;
  635|  52.0k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 52.0k, False: 0]
  ------------------
  636|  52.0k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 52.0k, False: 0]
  ------------------
  637|  52.0k|    auto is_leaf = p.shift() == BL;
  638|  52.0k|    auto child   = p.node()->inner()[offset_hint];
  639|  52.0k|    auto is_full = offset_hint + 1 != count_hint;
  640|  52.0k|    return is_full
  ------------------
  |  Branch (640:12): [True: 9.51k, False: 42.5k]
  ------------------
  641|  52.0k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 2.06k, False: 7.44k]
  ------------------
  642|  9.51k|                          : make_full_pos(child, p.shift() - B)
  643|  7.44k|                                .visit(v, idx, args...))
  644|  52.0k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 36.0k, False: 6.47k]
  ------------------
  645|  42.5k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  42.5k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  6.47k|                            .visit(v, idx, args...));
  648|  52.0k|}
flex-vector-bo.cpp:_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  207|  14.5k|    {
  208|  14.5k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  14.5k|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  202|   330k|    count_t index(size_t idx) const { return idx & mask<BL>; }
flex-vector-bo.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1405|  12.7k|    {
 1406|  12.7k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  12.7k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
 1162|   662k|    count_t index(size_t idx) const { return (idx >> shift_) & mask<B>; }
flex-vector-bo.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13towards_oh_chINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
 1329|  12.7k|    {
 1330|  12.7k|        return towards_oh(v, idx, offset_hint, args...);
 1331|  12.7k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjDpOT0_:
 1336|  12.7k|    {
 1337|  12.7k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 12.7k, False: 0]
  ------------------
 1338|  12.7k|        auto is_leaf = shift_ == BL;
 1339|  12.7k|        auto child   = node_->inner()[offset_hint];
 1340|  12.7k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 8.63k, False: 4.12k]
  ------------------
 1341|  12.7k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  12.7k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  12.7k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  112|  37.5k|    {
  113|  37.5k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  37.5k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  336|  6.91k|    {
  337|  6.91k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  6.91k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13towards_oh_chINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
  316|  6.91k|    {
  317|  6.91k|        return towards_oh_ch_regular(
  318|  6.91k|            *this, v, idx, offset_hint, count(), args...);
  319|  6.91k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_14update_visitorISD_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcOSL_T0_mjjDpOT1_:
  632|  6.91k|{
  633|  6.91k|    constexpr auto B  = bits<Pos>;
  634|  6.91k|    constexpr auto BL = bits_leaf<Pos>;
  635|  6.91k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 6.91k, False: 0]
  ------------------
  636|  6.91k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 6.91k, False: 0]
  ------------------
  637|  6.91k|    auto is_leaf = p.shift() == BL;
  638|  6.91k|    auto child   = p.node()->inner()[offset_hint];
  639|  6.91k|    auto is_full = offset_hint + 1 != count_hint;
  640|  6.91k|    return is_full
  ------------------
  |  Branch (640:12): [True: 5.06k, False: 1.85k]
  ------------------
  641|  6.91k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 3.87k, False: 1.18k]
  ------------------
  642|  5.06k|                          : make_full_pos(child, p.shift() - B)
  643|  1.18k|                                .visit(v, idx, args...))
  644|  6.91k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.41k, False: 436]
  ------------------
  645|  1.85k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.85k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    436|                            .visit(v, idx, args...));
  648|  6.91k|}
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  37.4k|{
 1839|  37.4k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 37.4k, False: 0]
  ------------------
 1840|  37.4k|    auto relaxed = node->relaxed();
 1841|  37.4k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 29.4k, False: 8.03k]
  ------------------
 1842|  29.4k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 29.4k, False: 0]
  ------------------
 1843|  29.4k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  29.4k|            .visit(v, std::forward<Args>(args)...);
 1845|  29.4k|    } else {
 1846|  8.03k|        return make_regular_sub_pos(node, shift, size)
 1847|  8.03k|            .visit(v, std::forward<Args>(args)...);
 1848|  8.03k|    }
 1849|  37.4k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1813|  29.4k|    {
 1814|  29.4k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  29.4k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
 1686|  22.3k|    {
 1687|  22.3k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 22.3k, False: 0]
  ------------------
 1688|  22.3k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 22.3k]
  ------------------
 1689|  22.3k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  22.3k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjmDpOT0_:
 1698|  22.3k|    {
 1699|  22.3k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  22.3k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjmDpOT0_:
 1717|  22.3k|    {
 1718|  22.3k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 22.3k, False: 0]
  ------------------
 1719|  22.3k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 22.3k]
  |  Branch (1719:9): [True: 22.3k, False: 0]
  ------------------
 1720|  22.3k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  22.3k|        auto child     = node_->inner()[offset_hint];
 1722|  22.3k|        auto is_leaf   = shift_ == BL;
 1723|  22.3k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  22.3k|        auto next_idx  = idx - left_size_hint;
 1725|  22.3k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 1.64k, False: 20.7k]
  ------------------
 1726|  22.3k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  1.64k|                         .visit(v, next_idx, args...)
 1728|  22.3k|                   : visit_maybe_relaxed_sub(
 1729|  20.7k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  22.3k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
  144|  1.64k|    {
  145|  1.64k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.64k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1686|  10.7k|    {
 1687|  10.7k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 10.7k, False: 0]
  ------------------
 1688|  10.7k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 9.14k, False: 1.59k]
  ------------------
 1689|  10.7k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  10.7k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjmDpOT0_:
 1698|  10.7k|    {
 1699|  10.7k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  10.7k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjmDpOT0_:
 1717|  10.7k|    {
 1718|  10.7k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 10.7k, False: 0]
  ------------------
 1719|  10.7k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 9.14k, False: 1.59k]
  |  Branch (1719:9): [True: 10.7k, False: 0]
  ------------------
 1720|  10.7k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  10.7k|        auto child     = node_->inner()[offset_hint];
 1722|  10.7k|        auto is_leaf   = shift_ == BL;
 1723|  10.7k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  10.7k|        auto next_idx  = idx - left_size_hint;
 1725|  10.7k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 4.16k, False: 6.57k]
  ------------------
 1726|  10.7k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  4.16k|                         .visit(v, next_idx, args...)
 1728|  10.7k|                   : visit_maybe_relaxed_sub(
 1729|  6.57k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  10.7k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  144|  4.16k|    {
  145|  4.16k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.16k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  6.57k|{
 1839|  6.57k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 6.57k, False: 0]
  ------------------
 1840|  6.57k|    auto relaxed = node->relaxed();
 1841|  6.57k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.67k, False: 2.90k]
  ------------------
 1842|  3.67k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.67k, False: 0]
  ------------------
 1843|  3.67k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.67k|            .visit(v, std::forward<Args>(args)...);
 1845|  3.67k|    } else {
 1846|  2.90k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.90k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.90k|    }
 1849|  6.57k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1813|  3.67k|    {
 1814|  3.67k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.67k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1036|  2.90k|    {
 1037|  2.90k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.90k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
  927|  5.26k|    {
  928|  5.26k|        return towards_oh_ch_regular(
  929|  5.26k|            *this, v, idx, offset_hint, count(), args...);
  930|  5.26k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_19slice_right_visitorISD_Lb0EEEJEEEDcOT_T0_mjjDpOT1_:
  632|  5.26k|{
  633|  5.26k|    constexpr auto B  = bits<Pos>;
  634|  5.26k|    constexpr auto BL = bits_leaf<Pos>;
  635|  5.26k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 5.26k, False: 0]
  ------------------
  636|  5.26k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 5.26k, False: 0]
  ------------------
  637|  5.26k|    auto is_leaf = p.shift() == BL;
  638|  5.26k|    auto child   = p.node()->inner()[offset_hint];
  639|  5.26k|    auto is_full = offset_hint + 1 != count_hint;
  640|  5.26k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.61k, False: 3.64k]
  ------------------
  641|  5.26k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 830, False: 789]
  ------------------
  642|  1.61k|                          : make_full_pos(child, p.shift() - B)
  643|    789|                                .visit(v, idx, args...))
  644|  5.26k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.39k, False: 2.25k]
  ------------------
  645|  3.64k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  3.64k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.25k|                            .visit(v, idx, args...));
  648|  5.26k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  207|  5.87k|    {
  208|  5.87k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  5.87k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1405|  2.18k|    {
 1406|  2.18k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.18k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1336|  5.39k|    {
 1337|  5.39k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 5.39k, False: 0]
  ------------------
 1338|  5.39k|        auto is_leaf = shift_ == BL;
 1339|  5.39k|        auto child   = node_->inner()[offset_hint];
 1340|  5.39k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 4.41k, False: 989]
  ------------------
 1341|  5.39k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  5.39k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  5.39k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
 1161|  55.0k|    shift_t shift() const { return shift_; }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  112|  2.61k|    {
  113|  2.61k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.61k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  336|  2.69k|    {
  337|  2.69k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  2.69k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
  305|  2.69k|    {
  306|  2.69k|        return towards_oh_ch_regular(
  307|  2.69k|            *this, v, idx, offset_hint, count(), args...);
  308|  2.69k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_19slice_right_visitorISD_Lb0EEEJEEEDcOT_T0_mjjDpOT1_:
  632|  2.69k|{
  633|  2.69k|    constexpr auto B  = bits<Pos>;
  634|  2.69k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.69k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.69k, False: 0]
  ------------------
  636|  2.69k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.69k, False: 0]
  ------------------
  637|  2.69k|    auto is_leaf = p.shift() == BL;
  638|  2.69k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.69k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.69k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.03k, False: 1.65k]
  ------------------
  641|  2.69k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 630, False: 403]
  ------------------
  642|  1.03k|                          : make_full_pos(child, p.shift() - B)
  643|    403|                                .visit(v, idx, args...))
  644|  2.69k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.22k, False: 436]
  ------------------
  645|  1.65k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.65k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    436|                            .visit(v, idx, args...));
  648|  2.69k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1036|  8.03k|    {
 1037|  8.03k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  8.03k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
  927|  5.67k|    {
  928|  5.67k|        return towards_oh_ch_regular(
  929|  5.67k|            *this, v, idx, offset_hint, count(), args...);
  930|  5.67k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_19slice_right_visitorISD_Lb1EEEJEEEDcOT_T0_mjjDpOT1_:
  632|  5.67k|{
  633|  5.67k|    constexpr auto B  = bits<Pos>;
  634|  5.67k|    constexpr auto BL = bits_leaf<Pos>;
  635|  5.67k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 5.67k, False: 0]
  ------------------
  636|  5.67k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 5.67k, False: 0]
  ------------------
  637|  5.67k|    auto is_leaf = p.shift() == BL;
  638|  5.67k|    auto child   = p.node()->inner()[offset_hint];
  639|  5.67k|    auto is_full = offset_hint + 1 != count_hint;
  640|  5.67k|    return is_full
  ------------------
  |  Branch (640:12): [True: 4.93k, False: 743]
  ------------------
  641|  5.67k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.08k, False: 3.84k]
  ------------------
  642|  4.93k|                          : make_full_pos(child, p.shift() - B)
  643|  3.84k|                                .visit(v, idx, args...))
  644|  5.67k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 743, False: 0]
  ------------------
  645|    743|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    743|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  5.67k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
  207|  1.71k|    {
  208|  1.71k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.71k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1405|  5.41k|    {
 1406|  5.41k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  5.41k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_19slice_right_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
 1336|  2.19k|    {
 1337|  2.19k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 2.19k, False: 0]
  ------------------
 1338|  2.19k|        auto is_leaf = shift_ == BL;
 1339|  2.19k|        auto child   = node_->inner()[offset_hint];
 1340|  2.19k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 627, False: 1.56k]
  ------------------
 1341|  2.19k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  2.19k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  2.19k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
  112|    743|    {
  113|    743|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    743|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_18slice_left_visitorISC_Lb1EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  34.2k|{
 1839|  34.2k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 34.2k, False: 0]
  ------------------
 1840|  34.2k|    auto relaxed = node->relaxed();
 1841|  34.2k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 26.1k, False: 8.15k]
  ------------------
 1842|  26.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 26.1k, False: 0]
  ------------------
 1843|  26.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  26.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  26.1k|    } else {
 1846|  8.15k|        return make_regular_sub_pos(node, shift, size)
 1847|  8.15k|            .visit(v, std::forward<Args>(args)...);
 1848|  8.15k|    }
 1849|  34.2k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1813|  26.1k|    {
 1814|  26.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  26.1k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8subindexEm:
 1434|  4.95M|    count_t subindex(size_t idx) const { return index(idx); }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
 1705|  3.68k|    {
 1706|  3.68k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 3.68k, False: 0]
  ------------------
 1707|  3.68k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 3.37k, False: 309]
  ------------------
 1708|  3.68k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  3.68k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_18slice_left_visitorISC_Lb1EEEJEEEDcT_mjmDpOT0_:
 1717|  3.68k|    {
 1718|  3.68k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 3.68k, False: 0]
  ------------------
 1719|  3.68k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 3.37k, False: 309]
  |  Branch (1719:9): [True: 3.68k, False: 0]
  ------------------
 1720|  3.68k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  3.68k|        auto child     = node_->inner()[offset_hint];
 1722|  3.68k|        auto is_leaf   = shift_ == BL;
 1723|  3.68k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  3.68k|        auto next_idx  = idx - left_size_hint;
 1725|  3.68k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 3.68k]
  ------------------
 1726|  3.68k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  3.68k|                   : visit_maybe_relaxed_sub(
 1729|  3.68k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  3.68k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1705|   124k|    {
 1706|   124k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 124k, False: 0]
  ------------------
 1707|   124k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 39.3k, False: 84.6k]
  ------------------
 1708|   124k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|   124k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjmDpOT0_:
 1717|   124k|    {
 1718|   124k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 124k, False: 0]
  ------------------
 1719|   124k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 39.3k, False: 84.6k]
  |  Branch (1719:9): [True: 124k, False: 0]
  ------------------
 1720|   124k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   124k|        auto child     = node_->inner()[offset_hint];
 1722|   124k|        auto is_leaf   = shift_ == BL;
 1723|   124k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   124k|        auto next_idx  = idx - left_size_hint;
 1725|   124k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 20.7k, False: 103k]
  ------------------
 1726|   124k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  20.7k|                         .visit(v, next_idx, args...)
 1728|   124k|                   : visit_maybe_relaxed_sub(
 1729|   103k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   124k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  144|  20.7k|    {
  145|  20.7k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  20.7k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|   103k|{
 1839|   103k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 103k, False: 0]
  ------------------
 1840|   103k|    auto relaxed = node->relaxed();
 1841|   103k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 101k, False: 1.70k]
  ------------------
 1842|   101k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 101k, False: 0]
  ------------------
 1843|   101k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   101k|            .visit(v, std::forward<Args>(args)...);
 1845|   101k|    } else {
 1846|  1.70k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.70k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.70k|    }
 1849|   103k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1813|   101k|    {
 1814|   101k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   101k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1036|  1.70k|    {
 1037|  1.70k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.70k|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11size_beforeEj:
  791|  1.66M|    {
  792|  1.66M|        return size_t{offset} << shift_;
  793|  1.66M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8size_sbhEjm:
  803|  20.7k|    {
  804|  20.7k|        assert(size_before_hint == size_before(offset));
  ------------------
  |  Branch (804:9): [True: 20.7k, False: 0]
  ------------------
  805|  20.7k|        return offset == subindex(size_ - 1) ? size_ - size_before_hint
  ------------------
  |  Branch (805:16): [True: 8.14k, False: 12.6k]
  ------------------
  806|  20.7k|                                             : size_t{1} << shift_;
  807|  20.7k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
  946|  9.11k|    {
  947|  9.11k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  9.11k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_18slice_left_visitorISD_Lb0EEEJEEEDcOT_T0_mjDpOT1_:
  653|  9.11k|{
  654|  9.11k|    constexpr auto B  = bits<Pos>;
  655|  9.11k|    constexpr auto BL = bits_leaf<Pos>;
  656|  9.11k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 9.11k, False: 0]
  ------------------
  657|  9.11k|    auto is_leaf = p.shift() == BL;
  658|  9.11k|    auto child   = p.node()->inner()[offset_hint];
  659|  9.11k|    auto lsize   = offset_hint << p.shift();
  660|  9.11k|    auto size    = p.this_size();
  661|  9.11k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  9.11k|    return is_full
  ------------------
  |  Branch (662:12): [True: 9.11k, False: 0]
  ------------------
  663|  9.11k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 4.57k, False: 4.54k]
  ------------------
  664|  9.11k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  9.11k|                      : make_full_pos(child, p.shift() - B)
  666|  4.54k|                            .visit(v, idx - lsize, args...))
  667|  9.11k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 0]
  ------------------
  668|      0|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|      0|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|      0|                            .visit(v, idx - lsize, args...));
  672|  9.11k|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9this_sizeEv:
  794|  20.7k|    size_t this_size() const { return size_; }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJmEEEDcT_DpOT0_:
  207|  9.86k|    {
  208|  9.86k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  9.86k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJmEEEDcT_DpOT0_:
 1405|  7.42k|    {
 1406|  7.42k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  7.42k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8subindexEm:
 1163|  11.1k|    count_t subindex(size_t idx) const { return idx >> shift_; }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11size_beforeEj:
 1170|  51.3k|    {
 1171|  51.3k|        return size_t{offset} << shift_;
 1172|  51.3k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8size_sbhEjm:
 1166|  11.1k|    {
 1167|  11.1k|        return size_t{1} << shift_;
 1168|  11.1k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb0EEEJEEEDcT_mjDpOT0_:
 1348|  8.17k|    {
 1349|  8.17k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1349:9): [True: 8.17k, False: 0]
  ------------------
 1350|  8.17k|        auto is_leaf = shift_ == BL;
 1351|  8.17k|        auto child   = node_->inner()[offset_hint];
 1352|  8.17k|        auto lsize   = size_t{offset_hint} << shift_;
 1353|  8.17k|        return is_leaf
  ------------------
  |  Branch (1353:16): [True: 5.29k, False: 2.88k]
  ------------------
 1354|  8.17k|                   ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
 1355|  8.17k|                   : make_full_pos(child, shift_ - B)
 1356|  2.88k|                         .visit(v, idx - lsize, args...);
 1357|  8.17k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
 1175|  11.1k|    {
 1176|  11.1k|        auto e = sizes + n;
 1177|  63.6k|        for (; sizes != e; ++sizes) {
  ------------------
  |  Branch (1177:16): [True: 52.4k, False: 11.1k]
  ------------------
 1178|  52.4k|            init = *sizes = init + (size_t{1} << shift_);
 1179|       |            assert(init);
  ------------------
  |  Branch (1179:13): [True: 52.4k, False: 0]
  ------------------
 1180|  52.4k|        }
 1181|  11.1k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
 1160|   545k|    size_t size() const { return branches<B, size_t> << shift_; }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
  810|  3.16M|    {
  811|  3.16M|        if (n) {
  ------------------
  |  Branch (811:13): [True: 3.16M, False: 4.21k]
  ------------------
  812|  3.16M|            auto last = offset + n - 1;
  813|  3.16M|            auto e    = sizes + n - 1;
  814|  12.6M|            for (; sizes != e; ++sizes) {
  ------------------
  |  Branch (814:20): [True: 9.47M, False: 3.16M]
  ------------------
  815|  9.47M|                init = *sizes = init + (size_t{1} << shift_);
  816|  9.47M|                assert(init);
  ------------------
  |  Branch (816:17): [True: 9.47M, False: 0]
  ------------------
  817|  9.47M|            }
  818|  3.16M|            *sizes = init + size(last);
  819|       |            assert(*sizes);
  ------------------
  |  Branch (819:13): [True: 3.16M, False: 0]
  ------------------
  820|  3.16M|        }
  821|  3.16M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEj:
  797|  3.18M|    {
  798|  3.18M|        return offset == subindex(size_ - 1) ? size_ - size_before(offset)
  ------------------
  |  Branch (798:16): [True: 1.59M, False: 1.59M]
  ------------------
  799|  3.18M|                                             : size_t{1} << shift_;
  800|  3.18M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
 1462|  18.7M|    {
 1463|  18.7M|        auto e     = sizes + n;
 1464|  18.7M|        auto prev  = size_before(offset);
 1465|  18.7M|        auto these = relaxed_->d.sizes + offset;
 1466|  85.7M|        for (; sizes != e; ++sizes, ++these) {
  ------------------
  |  Branch (1466:16): [True: 67.0M, False: 18.7M]
  ------------------
 1467|  67.0M|            auto this_size = *these;
 1468|  67.0M|            init = *sizes = init + (this_size - prev);
 1469|  67.0M|            assert(init);
  ------------------
  |  Branch (1469:13): [True: 67.0M, False: 0]
  ------------------
 1470|  67.0M|            prev = this_size;
 1471|  67.0M|        }
 1472|  18.7M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1036|  8.15k|    {
 1037|  8.15k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  8.15k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_18slice_left_visitorISC_Lb1EEEJEEEDcT_mjDpOT0_:
  946|  2.32k|    {
  947|  2.32k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  2.32k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_18slice_left_visitorISD_Lb1EEEJEEEDcOT_T0_mjDpOT1_:
  653|  2.32k|{
  654|  2.32k|    constexpr auto B  = bits<Pos>;
  655|  2.32k|    constexpr auto BL = bits_leaf<Pos>;
  656|  2.32k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 2.32k, False: 0]
  ------------------
  657|  2.32k|    auto is_leaf = p.shift() == BL;
  658|  2.32k|    auto child   = p.node()->inner()[offset_hint];
  659|  2.32k|    auto lsize   = offset_hint << p.shift();
  660|  2.32k|    auto size    = p.this_size();
  661|  2.32k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  2.32k|    return is_full
  ------------------
  |  Branch (662:12): [True: 745, False: 1.58k]
  ------------------
  663|  2.32k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 0, False: 745]
  ------------------
  664|    745|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|    745|                      : make_full_pos(child, p.shift() - B)
  666|    745|                            .visit(v, idx - lsize, args...))
  667|  2.32k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 1.58k]
  ------------------
  668|  1.58k|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|  1.58k|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|  1.58k|                            .visit(v, idx - lsize, args...));
  672|  2.32k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJmEEEDcT_DpOT0_:
 1405|    745|    {
 1406|    745|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    745|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJmEEEDcT_DpOT0_:
 1036|  1.58k|    {
 1037|  1.58k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.58k|    }
_ZN5immer6detail4rbts30make_singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaPT_j:
  766|  7.26k|{
  767|  7.26k|    assert(leaf);
  ------------------
  |  Branch (767:5): [True: 7.26k, False: 0]
  ------------------
  768|  7.26k|    IMMER_ASSERT_TAGGED(leaf->kind() == NodeT::kind_t::leaf);
  ------------------
  |  |   68|  7.26k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (768:5): [True: 7.26k, False: 0]
  ------------------
  769|  7.26k|    assert(count > 0);
  ------------------
  |  Branch (769:5): [True: 7.26k, False: 0]
  ------------------
  770|  7.26k|    return singleton_regular_sub_pos<NodeT>{leaf, count};
  771|  7.26k|}
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_25concat_trees_left_visitorISC_EEJNS1_14empty_leaf_posISC_EERPSC_RjRmEEEDcT_DpOT0_:
  759|  7.26k|    {
  760|  7.26k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  761|  7.26k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_26concat_trees_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  7.26k|{
 1839|  7.26k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.26k, False: 0]
  ------------------
 1840|  7.26k|    auto relaxed = node->relaxed();
 1841|  7.26k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 5.11k, False: 2.15k]
  ------------------
 1842|  5.11k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 5.11k, False: 0]
  ------------------
 1843|  5.11k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  5.11k|            .visit(v, std::forward<Args>(args)...);
 1845|  5.11k|    } else {
 1846|  2.15k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.15k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.15k|    }
 1849|  7.26k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  5.11k|    {
 1814|  5.11k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  5.11k|    }
_ZNK5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  735|  25.1k|    shift_t shift() const { return BL; }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  744|  7.26k|    {
  745|  7.26k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
  144|  7.33M|    {
  145|  7.33M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.33M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
 1813|   102M|    {
 1814|   102M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   102M|    }
_ZN5immer6detail4rbts12null_sub_pos14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  707|  2.98M|    {
  708|  2.98M|    }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
  744|  7.26k|    {
  745|  7.26k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
  144|  7.33M|    {
  145|  7.33M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.33M|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
  137|  7.33M|    size_t size() const { return count_; }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
 1813|   102M|    {
 1814|   102M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   102M|    }
_ZN5immer6detail4rbts12null_sub_pos14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEEvT_DpOT0_:
  707|  2.98M|    {
  708|  2.98M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1762|  16.9k|    {
 1763|  16.9k|        auto child      = node_->inner()[0];
 1764|  16.9k|        auto child_size = relaxed_->d.sizes[0];
 1765|  16.9k|        auto is_leaf    = shift_ == BL;
 1766|  16.9k|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 16.9k, False: 0]
  ------------------
 1767|  16.9k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 16.9k]
  ------------------
 1768|  16.9k|                       : visit_maybe_relaxed_sub(
 1769|  16.9k|                             child, shift_ - B, child_size, v, args...);
 1770|  16.9k|    }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
   76|  7.26k|    shift_t shift() const { return 0; }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  138|  3.70M|    shift_t shift() const { return 0; }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  16.9k|{
 1839|  16.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 16.9k, False: 0]
  ------------------
 1840|  16.9k|    auto relaxed = node->relaxed();
 1841|  16.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 16.6k, False: 281]
  ------------------
 1842|  16.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 16.6k, False: 0]
  ------------------
 1843|  16.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  16.6k|            .visit(v, std::forward<Args>(args)...);
 1845|  16.6k|    } else {
 1846|    281|        return make_regular_sub_pos(node, shift, size)
 1847|    281|            .visit(v, std::forward<Args>(args)...);
 1848|    281|    }
 1849|  16.9k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  16.6k|    {
 1814|  16.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  16.6k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1036|    281|    {
 1037|    281|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    281|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  970|    610|    {
  971|    610|        auto is_leaf = shift_ == BL;
  972|    610|        auto child   = node_->inner()[0];
  973|    610|        auto is_full = size_ >= (size_t{1} << shift_);
  974|    610|        return is_full
  ------------------
  |  Branch (974:16): [True: 610, False: 0]
  ------------------
  975|    610|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 610]
  ------------------
  976|    610|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|    610|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|    610|                   : (is_leaf
  ------------------
  |  Branch (978:23): [True: 0, False: 0]
  ------------------
  979|      0|                          ? make_leaf_sub_pos(child, size_).visit(v, args...)
  980|      0|                          : make_regular_sub_pos(child, shift_ - B, size_)
  981|      0|                                .visit(v, args...));
  982|    610|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  201|   323k|    shift_t shift() const { return 0; }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1405|    931|    {
 1406|    931|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    931|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1361|    321|    {
 1362|    321|        auto is_leaf = shift_ == BL;
 1363|    321|        auto child   = node_->inner()[0];
 1364|    321|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 321]
  ------------------
 1365|    321|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|    321|    }
_ZN5immer6detail4rbts12null_sub_pos13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  711|  59.4k|    {
  712|  59.4k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1304|  23.0k|    {
 1305|  23.0k|        each_i(v, 1, branches<B>, args...);
 1306|  23.0k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE6each_iINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jjDpOT0_:
 1263|  23.0k|    {
 1264|  23.0k|        auto p = node_->inner() + i;
 1265|  23.0k|        auto e = node_->inner() + n;
 1266|  23.0k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 13.4k, False: 9.58k]
  ------------------
 1267|   107k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 94.3k, False: 13.4k]
  ------------------
 1268|  94.3k|                IMMER_PREFETCH(p + 1);
 1269|  94.3k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|  94.3k|            }
 1271|  13.4k|        } else {
 1272|  9.58k|            auto ss = shift_ - B;
 1273|  76.6k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 67.0k, False: 9.58k]
  ------------------
 1274|  67.0k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  9.58k|        }
 1276|  23.0k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
  207|  4.73M|    {
  208|  4.73M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  4.73M|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
 1405|   537k|    {
 1406|   537k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   537k|    }
_ZN5immer6detail4rbts12null_sub_pos13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEEvT_DpOT0_:
  711|  59.4k|    {
  712|  59.4k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1304|  23.0k|    {
 1305|  23.0k|        each_i(v, 1, branches<B>, args...);
 1306|  23.0k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE6each_iINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jjDpOT0_:
 1263|  23.0k|    {
 1264|  23.0k|        auto p = node_->inner() + i;
 1265|  23.0k|        auto e = node_->inner() + n;
 1266|  23.0k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 13.4k, False: 9.58k]
  ------------------
 1267|   107k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 94.3k, False: 13.4k]
  ------------------
 1268|  94.3k|                IMMER_PREFETCH(p + 1);
 1269|  94.3k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|  94.3k|            }
 1271|  13.4k|        } else {
 1272|  9.58k|            auto ss = shift_ - B;
 1273|  76.6k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 67.0k, False: 9.58k]
  ------------------
 1274|  67.0k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  9.58k|        }
 1276|  23.0k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
  207|  4.73M|    {
  208|  4.73M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  4.73M|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
  200|  4.73M|    size_t size() const { return branches<BL>; }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
 1405|   537k|    {
 1406|   537k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   537k|    }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  753|    610|    {
  754|    610|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|    610|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  144|    610|    {
  145|    610|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    610|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1370|    610|    {
 1371|    610|        assert(shift_ == BL);
  ------------------
  |  Branch (1371:9): [True: 610, False: 0]
  ------------------
 1372|    610|        auto child = node_->inner()[0];
 1373|    610|        return make_full_leaf_pos(child).visit(v, args...);
 1374|    610|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  207|  2.43k|    {
  208|  2.43k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  2.43k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  906|   323k|    {
  907|   323k|        if (count() > 1)
  ------------------
  |  Branch (907:13): [True: 313k, False: 9.42k]
  ------------------
  908|   313k|            each_right_sub_(v, 1, args...);
  909|   323k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE15each_right_sub_INS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
  879|   313k|    {
  880|   313k|        auto last  = count() - 1;
  881|   313k|        auto lsize = size_ - (last << shift_);
  882|   313k|        auto n     = node()->inner() + i;
  883|   313k|        auto e     = node()->inner() + last;
  884|   313k|        if (shift() == BL) {
  ------------------
  |  Branch (884:13): [True: 300k, False: 13.4k]
  ------------------
  885|  2.09M|            for (; n != e; ++n) {
  ------------------
  |  Branch (885:20): [True: 1.79M, False: 300k]
  ------------------
  886|  1.79M|                IMMER_PREFETCH(n + 1);
  887|  1.79M|                make_full_leaf_pos(*n).visit(v, args...);
  888|  1.79M|            }
  889|   300k|            make_leaf_sub_pos(*n, lsize).visit(v, args...);
  890|   300k|        } else {
  891|  13.4k|            auto ss = shift_ - B;
  892|  58.5k|            for (; n != e; ++n)
  ------------------
  |  Branch (892:20): [True: 45.0k, False: 13.4k]
  ------------------
  893|  45.0k|                make_full_pos(*n, ss).visit(v, args...);
  894|  13.4k|            make_regular_sub_pos(*n, ss, lsize).visit(v, args...);
  895|  13.4k|        }
  896|   313k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcT_DpOT0_:
 1036|  3.55M|    {
 1037|  3.55M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.55M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
  906|   323k|    {
  907|   323k|        if (count() > 1)
  ------------------
  |  Branch (907:13): [True: 313k, False: 9.42k]
  ------------------
  908|   313k|            each_right_sub_(v, 1, args...);
  909|   323k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE15each_right_sub_INS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
  879|   313k|    {
  880|   313k|        auto last  = count() - 1;
  881|   313k|        auto lsize = size_ - (last << shift_);
  882|   313k|        auto n     = node()->inner() + i;
  883|   313k|        auto e     = node()->inner() + last;
  884|   313k|        if (shift() == BL) {
  ------------------
  |  Branch (884:13): [True: 300k, False: 13.4k]
  ------------------
  885|  2.09M|            for (; n != e; ++n) {
  ------------------
  |  Branch (885:20): [True: 1.79M, False: 300k]
  ------------------
  886|  1.79M|                IMMER_PREFETCH(n + 1);
  887|  1.79M|                make_full_leaf_pos(*n).visit(v, args...);
  888|  1.79M|            }
  889|   300k|            make_leaf_sub_pos(*n, lsize).visit(v, args...);
  890|   300k|        } else {
  891|  13.4k|            auto ss = shift_ - B;
  892|  58.5k|            for (; n != e; ++n)
  ------------------
  |  Branch (892:20): [True: 45.0k, False: 13.4k]
  ------------------
  893|  45.0k|                make_full_pos(*n, ss).visit(v, args...);
  894|  13.4k|            make_regular_sub_pos(*n, ss, lsize).visit(v, args...);
  895|  13.4k|        }
  896|   313k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcT_DpOT0_:
 1036|  3.55M|    {
 1037|  3.55M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.55M|    }
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
  753|  1.82k|    {
  754|  1.82k|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|  1.82k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
  144|  1.82k|    {
  145|  1.82k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.82k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  986|  1.82k|    {
  987|  1.82k|        assert(shift_ == BL);
  ------------------
  |  Branch (987:9): [True: 1.82k, False: 0]
  ------------------
  988|  1.82k|        auto child   = node_->inner()[0];
  989|  1.82k|        auto is_full = size_ >= branches<BL>;
  990|  1.82k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (990:16): [True: 1.82k, False: 0]
  ------------------
  991|  1.82k|                       : make_leaf_sub_pos(child, size_).visit(v, args...);
  992|  1.82k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
  144|  4.83k|    {
  145|  4.83k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.83k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1647|  8.88M|    {
 1648|  8.88M|        each_right(v, 1, std::forward<Args>(args)...);
 1649|  8.88M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
 1653|  8.88M|    {
 1654|  8.88M|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 8.88M, False: 0]
  ------------------
 1655|  8.88M|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 8.88M, False: 0]
  ------------------
 1656|  8.88M|        auto s = relaxed_->d.sizes[start - 1];
 1657|  8.88M|        auto p = node_->inner();
 1658|  8.88M|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 683k, False: 8.19M]
  ------------------
 1659|  3.32M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 2.63M, False: 683k]
  ------------------
 1660|  2.63M|                IMMER_PREFETCH(p + i + 1);
 1661|  2.63M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  2.63M|                    .visit(v, args...);
 1663|  2.63M|                s = relaxed_->d.sizes[i];
 1664|  2.63M|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 2.63M, False: 0]
  ------------------
 1665|  2.63M|            }
 1666|  8.19M|        } else {
 1667|  8.19M|            auto ss = shift_ - B;
 1668|  58.8M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 50.6M, False: 8.19M]
  ------------------
 1669|  50.6M|                visit_maybe_relaxed_sub(
 1670|  50.6M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  50.6M|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 50.6M, False: 0]
  ------------------
 1673|  50.6M|            }
 1674|  8.19M|        }
 1675|  8.88M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEDcPT_jmT0_DpOT1_:
 1838|  86.7M|{
 1839|  86.7M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 86.7M, False: 0]
  ------------------
 1840|  86.7M|    auto relaxed = node->relaxed();
 1841|  86.7M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 83.1M, False: 3.53M]
  ------------------
 1842|  83.1M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 83.1M, False: 0]
  ------------------
 1843|  83.1M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  83.1M|            .visit(v, std::forward<Args>(args)...);
 1845|  83.1M|    } else {
 1846|  3.53M|        return make_regular_sub_pos(node, shift, size)
 1847|  3.53M|            .visit(v, std::forward<Args>(args)...);
 1848|  3.53M|    }
 1849|  86.7M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14each_right_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1647|  8.88M|    {
 1648|  8.88M|        each_right(v, 1, std::forward<Args>(args)...);
 1649|  8.88M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
 1653|  8.88M|    {
 1654|  8.88M|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 8.88M, False: 0]
  ------------------
 1655|  8.88M|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 8.88M, False: 0]
  ------------------
 1656|  8.88M|        auto s = relaxed_->d.sizes[start - 1];
 1657|  8.88M|        auto p = node_->inner();
 1658|  8.88M|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 683k, False: 8.19M]
  ------------------
 1659|  3.32M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 2.63M, False: 683k]
  ------------------
 1660|  2.63M|                IMMER_PREFETCH(p + i + 1);
 1661|  2.63M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  2.63M|                    .visit(v, args...);
 1663|  2.63M|                s = relaxed_->d.sizes[i];
 1664|  2.63M|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 2.63M, False: 0]
  ------------------
 1665|  2.63M|            }
 1666|  8.19M|        } else {
 1667|  8.19M|            auto ss = shift_ - B;
 1668|  58.8M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 50.6M, False: 8.19M]
  ------------------
 1669|  50.6M|                visit_maybe_relaxed_sub(
 1670|  50.6M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  50.6M|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 50.6M, False: 0]
  ------------------
 1673|  50.6M|            }
 1674|  8.19M|        }
 1675|  8.88M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  86.7M|{
 1839|  86.7M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 86.7M, False: 0]
  ------------------
 1840|  86.7M|    auto relaxed = node->relaxed();
 1841|  86.7M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 83.1M, False: 3.53M]
  ------------------
 1842|  83.1M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 83.1M, False: 0]
  ------------------
 1843|  83.1M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  83.1M|            .visit(v, std::forward<Args>(args)...);
 1845|  83.1M|    } else {
 1846|  3.53M|        return make_regular_sub_pos(node, shift, size)
 1847|  3.53M|            .visit(v, std::forward<Args>(args)...);
 1848|  3.53M|    }
 1849|  86.7M|}
_ZN5immer6detail4rbts25singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  753|  4.83k|    {
  754|  4.83k|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|  4.83k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_14empty_leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  144|  4.83k|    {
  145|  4.83k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.83k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1774|  4.83k|    {
 1775|  4.83k|        assert(shift_ == BL);
  ------------------
  |  Branch (1775:9): [True: 4.83k, False: 0]
  ------------------
 1776|  4.83k|        auto child      = node_->inner()[0];
 1777|  4.83k|        auto child_size = relaxed_->d.sizes[0];
 1778|  4.83k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1779|  4.83k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_25singleton_regular_sub_posISC_EERNS1_14empty_leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  2.15k|    {
 1037|  2.15k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.15k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_25concat_trees_left_visitorISC_EEJNS1_8leaf_posISC_EERPSC_RjRmEEEDcPT_jmT0_DpOT1_:
 1838|   999k|{
 1839|   999k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 999k, False: 0]
  ------------------
 1840|   999k|    auto relaxed = node->relaxed();
 1841|   999k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 982k, False: 16.8k]
  ------------------
 1842|   982k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 982k, False: 0]
  ------------------
 1843|   982k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   982k|            .visit(v, std::forward<Args>(args)...);
 1845|   982k|    } else {
 1846|  16.8k|        return make_regular_sub_pos(node, shift, size)
 1847|  16.8k|            .visit(v, std::forward<Args>(args)...);
 1848|  16.8k|    }
 1849|   999k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_25concat_trees_left_visitorISC_EEJNS1_8leaf_posISC_EERPSC_RjRmEEEDcT_DpOT0_:
 1813|   982k|    {
 1814|   982k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   982k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_26concat_trees_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|   982k|{
 1839|   982k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 982k, False: 0]
  ------------------
 1840|   982k|    auto relaxed = node->relaxed();
 1841|   982k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 975k, False: 7.03k]
  ------------------
 1842|   975k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 975k, False: 0]
  ------------------
 1843|   975k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   975k|            .visit(v, std::forward<Args>(args)...);
 1845|   975k|    } else {
 1846|  7.03k|        return make_regular_sub_pos(node, shift, size)
 1847|  7.03k|            .visit(v, std::forward<Args>(args)...);
 1848|  7.03k|    }
 1849|   982k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|   975k|    {
 1814|   975k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   975k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1750|  2.96M|    {
 1751|  2.96M|        auto offset     = relaxed_->d.count - 1;
 1752|  2.96M|        auto child      = node_->inner()[offset];
 1753|  2.96M|        auto child_size = size(offset);
 1754|  2.96M|        auto is_leaf    = shift_ == BL;
 1755|  2.96M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 0, False: 2.96M]
  ------------------
 1756|  2.96M|                       : visit_maybe_relaxed_sub(
 1757|  2.96M|                             child, shift_ - B, child_size, v, args...);
 1758|  2.96M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  2.96M|{
 1839|  2.96M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 2.96M, False: 0]
  ------------------
 1840|  2.96M|    auto relaxed = node->relaxed();
 1841|  2.96M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.96M, False: 1.97k]
  ------------------
 1842|  2.96M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.96M, False: 0]
  ------------------
 1843|  2.96M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.96M|            .visit(v, std::forward<Args>(args)...);
 1845|  2.96M|    } else {
 1846|  1.97k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.97k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.97k|    }
 1849|  2.96M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1813|  2.96M|    {
 1814|  2.96M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.96M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
 1036|  4.10k|    {
 1037|  4.10k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.10k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  958|  2.13k|    {
  959|  2.13k|        auto offset  = count() - 1;
  960|  2.13k|        auto child   = node_->inner()[offset];
  961|  2.13k|        auto is_leaf = shift_ == BL;
  962|  2.13k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  2.13k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 0, False: 2.13k]
  ------------------
  964|  2.13k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  2.13k|                             .visit(v, args...);
  966|  2.13k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  913|  1.47M|    {
  914|  1.47M|        each_left(v, count() - 1, args...);
  915|  1.47M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_leftINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
  873|  1.47M|    {
  874|  1.47M|        return each_left_regular(*this, v, last, args...);
  875|  1.47M|    }
_ZN5immer6detail4rbts17each_left_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvOT_T0_jDpOT1_:
  575|  1.47M|{
  576|  1.47M|    constexpr auto B  = bits<Pos>;
  577|  1.47M|    constexpr auto BL = bits_leaf<Pos>;
  578|  1.47M|    assert(last < p.count());
  ------------------
  |  Branch (578:5): [True: 1.47M, False: 0]
  ------------------
  579|  1.47M|    if (p.shift() == BL) {
  ------------------
  |  Branch (579:9): [True: 760k, False: 718k]
  ------------------
  580|   760k|        auto n = p.node()->inner();
  581|   760k|        auto e = n + last;
  582|  3.61M|        for (; n != e; ++n) {
  ------------------
  |  Branch (582:16): [True: 2.85M, False: 760k]
  ------------------
  583|  2.85M|            IMMER_PREFETCH(n + 1);
  584|  2.85M|            make_full_leaf_pos(*n).visit(v, args...);
  585|  2.85M|        }
  586|   760k|    } else {
  587|   718k|        auto n  = p.node()->inner();
  588|   718k|        auto e  = n + last;
  589|   718k|        auto ss = p.shift() - B;
  590|  1.14M|        for (; n != e; ++n)
  ------------------
  |  Branch (590:16): [True: 425k, False: 718k]
  ------------------
  591|   425k|            make_full_pos(*n, ss).visit(v, args...);
  592|   718k|    }
  593|  1.47M|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
  913|  1.47M|    {
  914|  1.47M|        each_left(v, count() - 1, args...);
  915|  1.47M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_leftINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
  873|  1.47M|    {
  874|  1.47M|        return each_left_regular(*this, v, last, args...);
  875|  1.47M|    }
_ZN5immer6detail4rbts17each_left_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21concat_merger_visitorEJRNS1_13concat_mergerISD_EEEEEvOT_T0_jDpOT1_:
  575|  1.47M|{
  576|  1.47M|    constexpr auto B  = bits<Pos>;
  577|  1.47M|    constexpr auto BL = bits_leaf<Pos>;
  578|  1.47M|    assert(last < p.count());
  ------------------
  |  Branch (578:5): [True: 1.47M, False: 0]
  ------------------
  579|  1.47M|    if (p.shift() == BL) {
  ------------------
  |  Branch (579:9): [True: 760k, False: 718k]
  ------------------
  580|   760k|        auto n = p.node()->inner();
  581|   760k|        auto e = n + last;
  582|  3.61M|        for (; n != e; ++n) {
  ------------------
  |  Branch (582:16): [True: 2.85M, False: 760k]
  ------------------
  583|  2.85M|            IMMER_PREFETCH(n + 1);
  584|  2.85M|            make_full_leaf_pos(*n).visit(v, args...);
  585|  2.85M|        }
  586|   760k|    } else {
  587|   718k|        auto n  = p.node()->inner();
  588|   718k|        auto e  = n + last;
  589|   718k|        auto ss = p.shift() - B;
  590|  1.14M|        for (; n != e; ++n)
  ------------------
  |  Branch (590:16): [True: 425k, False: 718k]
  ------------------
  591|   425k|            make_full_pos(*n, ss).visit(v, args...);
  592|   718k|    }
  593|  1.47M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1762|  1.44M|    {
 1763|  1.44M|        auto child      = node_->inner()[0];
 1764|  1.44M|        auto child_size = relaxed_->d.sizes[0];
 1765|  1.44M|        auto is_leaf    = shift_ == BL;
 1766|  1.44M|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 1.44M, False: 0]
  ------------------
 1767|  1.44M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 1.44M]
  ------------------
 1768|  1.44M|                       : visit_maybe_relaxed_sub(
 1769|  1.44M|                             child, shift_ - B, child_size, v, args...);
 1770|  1.44M|    }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  106|   999k|    shift_t shift() const { return 0; }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  1.44M|{
 1839|  1.44M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.44M, False: 0]
  ------------------
 1840|  1.44M|    auto relaxed = node->relaxed();
 1841|  1.44M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.14M, False: 302k]
  ------------------
 1842|  1.14M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.14M, False: 0]
  ------------------
 1843|  1.14M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.14M|            .visit(v, std::forward<Args>(args)...);
 1845|  1.14M|    } else {
 1846|   302k|        return make_regular_sub_pos(node, shift, size)
 1847|   302k|            .visit(v, std::forward<Args>(args)...);
 1848|   302k|    }
 1849|  1.44M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  1.14M|    {
 1814|  1.14M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.14M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|   302k|    {
 1037|   302k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   302k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
  958|    883|    {
  959|    883|        auto offset  = count() - 1;
  960|    883|        auto child   = node_->inner()[offset];
  961|    883|        auto is_leaf = shift_ == BL;
  962|    883|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|    883|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 0, False: 883]
  ------------------
  964|    883|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|    883|                             .visit(v, args...);
  966|    883|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1036|  1.28k|    {
 1037|  1.28k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.28k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  970|  11.0k|    {
  971|  11.0k|        auto is_leaf = shift_ == BL;
  972|  11.0k|        auto child   = node_->inner()[0];
  973|  11.0k|        auto is_full = size_ >= (size_t{1} << shift_);
  974|  11.0k|        return is_full
  ------------------
  |  Branch (974:16): [True: 11.0k, False: 0]
  ------------------
  975|  11.0k|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 11.0k]
  ------------------
  976|  11.0k|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|  11.0k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|  11.0k|                   : (is_leaf
  ------------------
  |  Branch (978:23): [True: 0, False: 0]
  ------------------
  979|      0|                          ? make_leaf_sub_pos(child, size_).visit(v, args...)
  980|      0|                          : make_regular_sub_pos(child, shift_ - B, size_)
  981|      0|                                .visit(v, args...));
  982|  11.0k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1405|  18.3k|    {
 1406|  18.3k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  18.3k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1361|  7.33k|    {
 1362|  7.33k|        auto is_leaf = shift_ == BL;
 1363|  7.33k|        auto child   = node_->inner()[0];
 1364|  7.33k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 7.33k]
  ------------------
 1365|  7.33k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|  7.33k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  958|  18.1k|    {
  959|  18.1k|        auto offset  = count() - 1;
  960|  18.1k|        auto child   = node_->inner()[offset];
  961|  18.1k|        auto is_leaf = shift_ == BL;
  962|  18.1k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  18.1k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 11.2k, False: 6.90k]
  ------------------
  964|  18.1k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  6.90k|                             .visit(v, args...);
  966|  18.1k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
  144|  12.8k|    {
  145|  12.8k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  12.8k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1370|  12.8k|    {
 1371|  12.8k|        assert(shift_ == BL);
  ------------------
  |  Branch (1371:9): [True: 12.8k, False: 0]
  ------------------
 1372|  12.8k|        auto child = node_->inner()[0];
 1373|  12.8k|        return make_full_leaf_pos(child).visit(v, args...);
 1374|  12.8k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  207|   320k|    {
  208|   320k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   320k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
 1036|  7.12k|    {
 1037|  7.12k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  7.12k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
  958|   312k|    {
  959|   312k|        auto offset  = count() - 1;
  960|   312k|        auto child   = node_->inner()[offset];
  961|   312k|        auto is_leaf = shift_ == BL;
  962|   312k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|   312k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 304k, False: 7.45k]
  ------------------
  964|   312k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  7.45k|                             .visit(v, args...);
  966|   312k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
  144|   307k|    {
  145|   307k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   307k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  986|   307k|    {
  987|   307k|        assert(shift_ == BL);
  ------------------
  |  Branch (987:9): [True: 307k, False: 0]
  ------------------
  988|   307k|        auto child   = node_->inner()[0];
  989|   307k|        auto is_full = size_ >= branches<BL>;
  990|   307k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (990:16): [True: 307k, False: 0]
  ------------------
  991|   307k|                       : make_leaf_sub_pos(child, size_).visit(v, args...);
  992|   307k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  144|   678k|    {
  145|   678k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   678k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1036|  10.7k|    {
 1037|  10.7k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  10.7k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  958|  1.14M|    {
  959|  1.14M|        auto offset  = count() - 1;
  960|  1.14M|        auto child   = node_->inner()[offset];
  961|  1.14M|        auto is_leaf = shift_ == BL;
  962|  1.14M|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  1.14M|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 444k, False: 701k]
  ------------------
  964|  1.14M|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|   701k|                             .visit(v, args...);
  966|  1.14M|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
  144|   678k|    {
  145|   678k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   678k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14first_sub_leafINS1_20concat_right_visitorISC_EEJRNS1_12leaf_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1774|   678k|    {
 1775|   678k|        assert(shift_ == BL);
  ------------------
  |  Branch (1775:9): [True: 678k, False: 0]
  ------------------
 1776|   678k|        auto child      = node_->inner()[0];
 1777|   678k|        auto child_size = relaxed_->d.sizes[0];
 1778|   678k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1779|   678k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcT_DpOT0_:
 1036|  1.43M|    {
 1037|  1.43M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.43M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
 1617|  10.6M|    {
 1618|  10.6M|        each_left(v, relaxed_->d.count - 1, args...);
 1619|  10.6M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_leftINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_jDpOT0_:
 1623|  10.6M|    {
 1624|  10.6M|        auto p = node_->inner();
 1625|  10.6M|        auto s = size_t{};
 1626|  10.6M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 238k, False: 10.4M]
  ------------------
 1627|  1.62M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 1.38M, False: 238k]
  ------------------
 1628|  1.38M|                IMMER_PREFETCH(p + i + 1);
 1629|  1.38M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  1.38M|                    .visit(v, args...);
 1631|  1.38M|                s = relaxed_->d.sizes[i];
 1632|  1.38M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 1.38M, False: 0]
  ------------------
 1633|  1.38M|            }
 1634|  10.4M|        } else {
 1635|  10.4M|            auto ss = shift_ - B;
 1636|  46.4M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 36.0M, False: 10.4M]
  ------------------
 1637|  36.0M|                visit_maybe_relaxed_sub(
 1638|  36.0M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|  36.0M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 36.0M, False: 0]
  ------------------
 1641|  36.0M|            }
 1642|  10.4M|        }
 1643|  10.6M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_left_subINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_DpOT0_:
 1617|  10.6M|    {
 1618|  10.6M|        each_left(v, relaxed_->d.count - 1, args...);
 1619|  10.6M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_leftINS1_21concat_merger_visitorEJRNS1_13concat_mergerISC_EEEEEvT_jDpOT0_:
 1623|  10.6M|    {
 1624|  10.6M|        auto p = node_->inner();
 1625|  10.6M|        auto s = size_t{};
 1626|  10.6M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 238k, False: 10.4M]
  ------------------
 1627|  1.62M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 1.38M, False: 238k]
  ------------------
 1628|  1.38M|                IMMER_PREFETCH(p + i + 1);
 1629|  1.38M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  1.38M|                    .visit(v, args...);
 1631|  1.38M|                s = relaxed_->d.sizes[i];
 1632|  1.38M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 1.38M, False: 0]
  ------------------
 1633|  1.38M|            }
 1634|  10.4M|        } else {
 1635|  10.4M|            auto ss = shift_ - B;
 1636|  46.4M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 36.0M, False: 10.4M]
  ------------------
 1637|  36.0M|                visit_maybe_relaxed_sub(
 1638|  36.0M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|  36.0M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 36.0M, False: 0]
  ------------------
 1641|  36.0M|            }
 1642|  10.4M|        }
 1643|  10.6M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1762|  6.73M|    {
 1763|  6.73M|        auto child      = node_->inner()[0];
 1764|  6.73M|        auto child_size = relaxed_->d.sizes[0];
 1765|  6.73M|        auto is_leaf    = shift_ == BL;
 1766|  6.73M|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 6.73M, False: 0]
  ------------------
 1767|  6.73M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 6.73M]
  ------------------
 1768|  6.73M|                       : visit_maybe_relaxed_sub(
 1769|  6.73M|                             child, shift_ - B, child_size, v, args...);
 1770|  6.73M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  6.73M|{
 1839|  6.73M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 6.73M, False: 0]
  ------------------
 1840|  6.73M|    auto relaxed = node->relaxed();
 1841|  6.73M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 6.73M, False: 1.29k]
  ------------------
 1842|  6.73M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 6.73M, False: 0]
  ------------------
 1843|  6.73M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  6.73M|            .visit(v, std::forward<Args>(args)...);
 1845|  6.73M|    } else {
 1846|  1.29k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.29k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.29k|    }
 1849|  6.73M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  6.73M|    {
 1814|  6.73M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  6.73M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  1.29k|    {
 1037|  1.29k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.29k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1750|  11.8k|    {
 1751|  11.8k|        auto offset     = relaxed_->d.count - 1;
 1752|  11.8k|        auto child      = node_->inner()[offset];
 1753|  11.8k|        auto child_size = size(offset);
 1754|  11.8k|        auto is_leaf    = shift_ == BL;
 1755|  11.8k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 0, False: 11.8k]
  ------------------
 1756|  11.8k|                       : visit_maybe_relaxed_sub(
 1757|  11.8k|                             child, shift_ - B, child_size, v, args...);
 1758|  11.8k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  11.8k|{
 1839|  11.8k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 11.8k, False: 0]
  ------------------
 1840|  11.8k|    auto relaxed = node->relaxed();
 1841|  11.8k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 11.4k, False: 405]
  ------------------
 1842|  11.4k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 11.4k, False: 0]
  ------------------
 1843|  11.4k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  11.4k|            .visit(v, std::forward<Args>(args)...);
 1845|  11.4k|    } else {
 1846|    405|        return make_regular_sub_pos(node, shift, size)
 1847|    405|            .visit(v, std::forward<Args>(args)...);
 1848|    405|    }
 1849|  11.8k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_left_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1813|  11.4k|    {
 1814|  11.4k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  11.4k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
  970|  1.82k|    {
  971|  1.82k|        auto is_leaf = shift_ == BL;
  972|  1.82k|        auto child   = node_->inner()[0];
  973|  1.82k|        auto is_full = size_ >= (size_t{1} << shift_);
  974|  1.82k|        return is_full
  ------------------
  |  Branch (974:16): [True: 1.82k, False: 0]
  ------------------
  975|  1.82k|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 1.82k]
  ------------------
  976|  1.82k|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|  1.82k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|  1.82k|                   : (is_leaf
  ------------------
  |  Branch (978:23): [True: 0, False: 0]
  ------------------
  979|      0|                          ? make_leaf_sub_pos(child, size_).visit(v, args...)
  980|      0|                          : make_regular_sub_pos(child, shift_ - B, size_)
  981|      0|                                .visit(v, args...));
  982|  1.82k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1405|  3.75k|    {
 1406|  3.75k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.75k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9first_subINS1_20concat_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1361|  1.93k|    {
 1362|  1.93k|        auto is_leaf = shift_ == BL;
 1363|  1.93k|        auto child   = node_->inner()[0];
 1364|  1.93k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 1.93k]
  ------------------
 1365|  1.93k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|  1.93k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
 1750|  3.55k|    {
 1751|  3.55k|        auto offset     = relaxed_->d.count - 1;
 1752|  3.55k|        auto child      = node_->inner()[offset];
 1753|  3.55k|        auto child_size = size(offset);
 1754|  3.55k|        auto is_leaf    = shift_ == BL;
 1755|  3.55k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 1.60k, False: 1.95k]
  ------------------
 1756|  3.55k|                       : visit_maybe_relaxed_sub(
 1757|  1.95k|                             child, shift_ - B, child_size, v, args...);
 1758|  3.55k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  1.95k|{
 1839|  1.95k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.95k, False: 0]
  ------------------
 1840|  1.95k|    auto relaxed = node->relaxed();
 1841|  1.95k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.73k, False: 222]
  ------------------
 1842|  1.73k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.73k, False: 0]
  ------------------
 1843|  1.73k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.73k|            .visit(v, std::forward<Args>(args)...);
 1845|  1.73k|    } else {
 1846|    222|        return make_regular_sub_pos(node, shift, size)
 1847|    222|            .visit(v, std::forward<Args>(args)...);
 1848|    222|    }
 1849|  1.95k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_8full_posISC_EEEEEDcT_DpOT0_:
 1813|  1.73k|    {
 1814|  1.73k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.73k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1750|  7.28k|    {
 1751|  7.28k|        auto offset     = relaxed_->d.count - 1;
 1752|  7.28k|        auto child      = node_->inner()[offset];
 1753|  7.28k|        auto child_size = size(offset);
 1754|  7.28k|        auto is_leaf    = shift_ == BL;
 1755|  7.28k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 2.84k, False: 4.43k]
  ------------------
 1756|  7.28k|                       : visit_maybe_relaxed_sub(
 1757|  4.43k|                             child, shift_ - B, child_size, v, args...);
 1758|  7.28k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  4.43k|{
 1839|  4.43k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 4.43k, False: 0]
  ------------------
 1840|  4.43k|    auto relaxed = node->relaxed();
 1841|  4.43k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.18k, False: 3.25k]
  ------------------
 1842|  1.18k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.18k, False: 0]
  ------------------
 1843|  1.18k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.18k|            .visit(v, std::forward<Args>(args)...);
 1845|  3.25k|    } else {
 1846|  3.25k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.25k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.25k|    }
 1849|  4.43k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_15regular_sub_posISC_EEEEEDcT_DpOT0_:
 1813|  1.18k|    {
 1814|  1.18k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.18k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8last_subINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1750|  7.67M|    {
 1751|  7.67M|        auto offset     = relaxed_->d.count - 1;
 1752|  7.67M|        auto child      = node_->inner()[offset];
 1753|  7.67M|        auto child_size = size(offset);
 1754|  7.67M|        auto is_leaf    = shift_ == BL;
 1755|  7.67M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 234k, False: 7.44M]
  ------------------
 1756|  7.67M|                       : visit_maybe_relaxed_sub(
 1757|  7.44M|                             child, shift_ - B, child_size, v, args...);
 1758|  7.67M|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERNS1_11relaxed_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  7.44M|{
 1839|  7.44M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.44M, False: 0]
  ------------------
 1840|  7.44M|    auto relaxed = node->relaxed();
 1841|  7.44M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 6.70M, False: 737k]
  ------------------
 1842|  6.70M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 6.70M, False: 0]
  ------------------
 1843|  6.70M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  6.70M|            .visit(v, std::forward<Args>(args)...);
 1845|  6.70M|    } else {
 1846|   737k|        return make_regular_sub_pos(node, shift, size)
 1847|   737k|            .visit(v, std::forward<Args>(args)...);
 1848|   737k|    }
 1849|  7.44M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19concat_both_visitorISC_EEJRNS1_8leaf_posISC_EERSD_EEEDcT_DpOT0_:
 1813|  6.70M|    {
 1814|  6.70M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  6.70M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_11relaxed_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  7.03k|    {
 1037|  7.03k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  7.03k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_25concat_trees_left_visitorISC_EEJNS1_8leaf_posISC_EERPSC_RjRmEEEDcT_DpOT0_:
 1036|  16.8k|    {
 1037|  16.8k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  16.8k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_26concat_trees_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcPT_jmT0_DpOT1_:
 1838|  16.8k|{
 1839|  16.8k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 16.8k, False: 0]
  ------------------
 1840|  16.8k|    auto relaxed = node->relaxed();
 1841|  16.8k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 6.59k, False: 10.2k]
  ------------------
 1842|  6.59k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 6.59k, False: 0]
  ------------------
 1843|  6.59k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  6.59k|            .visit(v, std::forward<Args>(args)...);
 1845|  10.2k|    } else {
 1846|  10.2k|        return make_regular_sub_pos(node, shift, size)
 1847|  10.2k|            .visit(v, std::forward<Args>(args)...);
 1848|  10.2k|    }
 1849|  16.8k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRNS1_15regular_sub_posISC_EERNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1813|  6.59k|    {
 1814|  6.59k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  6.59k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_26concat_trees_right_visitorISC_EEJRSD_RNS1_8leaf_posISC_EEEEEDcT_DpOT0_:
 1036|  10.2k|    {
 1037|  10.2k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  10.2k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1813|   172k|    {
 1814|   172k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   172k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11last_oh_cshINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_jmDpOT0_:
 1737|   166k|    {
 1738|   166k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 166k, False: 0]
  ------------------
 1739|   166k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 166k, False: 0]
  ------------------
 1740|   166k|        auto child   = node_->inner()[offset_hint];
 1741|   166k|        auto is_leaf = shift_ == BL;
 1742|   166k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 166k]
  ------------------
 1743|   166k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|   166k|                   : visit_maybe_relaxed_sub(
 1745|   166k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|   166k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcPT_jmT0_DpOT1_:
 1838|   166k|{
 1839|   166k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 166k, False: 0]
  ------------------
 1840|   166k|    auto relaxed = node->relaxed();
 1841|   166k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 12.4k, False: 154k]
  ------------------
 1842|  12.4k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 12.4k, False: 0]
  ------------------
 1843|  12.4k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  12.4k|            .visit(v, std::forward<Args>(args)...);
 1845|   154k|    } else {
 1846|   154k|        return make_regular_sub_pos(node, shift, size)
 1847|   154k|            .visit(v, std::forward<Args>(args)...);
 1848|   154k|    }
 1849|   166k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1036|   154k|    {
 1037|   154k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   154k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  952|   323k|    {
  953|   323k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|   323k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb1EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|   323k|{
  678|   323k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 323k, False: 0]
  ------------------
  679|   323k|    constexpr auto B  = bits<Pos>;
  680|   323k|    constexpr auto BL = bits_leaf<Pos>;
  681|   323k|    auto child        = p.node()->inner()[offset_hint];
  682|   323k|    auto is_leaf      = p.shift() == BL;
  683|   323k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 323k]
  ------------------
  684|   323k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   323k|                         .visit(v, args...);
  686|   323k|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_DpOT0_:
  336|  1.05M|    {
  337|  1.05M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.05M|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  330|   727k|    {
  331|   727k|        return last_oh_regular(*this, v, offset_hint, args...);
  332|   727k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb1EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|   727k|{
  678|   727k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 727k, False: 0]
  ------------------
  679|   727k|    constexpr auto B  = bits<Pos>;
  680|   727k|    constexpr auto BL = bits_leaf<Pos>;
  681|   727k|    auto child        = p.node()->inner()[offset_hint];
  682|   727k|    auto is_leaf      = p.shift() == BL;
  683|   727k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 727k]
  ------------------
  684|   727k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   727k|                         .visit(v, args...);
  686|   727k|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  330|  3.02k|    {
  331|  3.02k|        return last_oh_regular(*this, v, offset_hint, args...);
  332|  3.02k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb0EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|  3.02k|{
  678|  3.02k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 3.02k, False: 0]
  ------------------
  679|  3.02k|    constexpr auto B  = bits<Pos>;
  680|  3.02k|    constexpr auto BL = bits_leaf<Pos>;
  681|  3.02k|    auto child        = p.node()->inner()[offset_hint];
  682|  3.02k|    auto is_leaf      = p.shift() == BL;
  683|  3.02k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 3.02k]
  ------------------
  684|  3.02k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  3.02k|                         .visit(v, args...);
  686|  3.02k|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_DpOT0_:
  336|  4.70k|    {
  337|  4.70k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  4.70k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7last_ohINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_jDpOT0_:
  952|  1.67k|    {
  953|  1.67k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|  1.67k|    }
_ZN5immer6detail4rbts15last_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_21push_tail_mut_visitorISD_Lb0EEEJRNSB_5applyIS8_E4type4editERPSD_EEEDcOT_T0_jDpOT1_:
  677|  1.67k|{
  678|  1.67k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 1.67k, False: 0]
  ------------------
  679|  1.67k|    constexpr auto B  = bits<Pos>;
  680|  1.67k|    constexpr auto BL = bits_leaf<Pos>;
  681|  1.67k|    auto child        = p.node()->inner()[offset_hint];
  682|  1.67k|    auto is_leaf      = p.shift() == BL;
  683|  1.67k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 1.67k]
  ------------------
  684|  1.67k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  1.67k|                         .visit(v, args...);
  686|  1.67k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11last_oh_cshINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_jmDpOT0_:
 1737|  8.54k|    {
 1738|  8.54k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 8.54k, False: 0]
  ------------------
 1739|  8.54k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 8.54k, False: 0]
  ------------------
 1740|  8.54k|        auto child   = node_->inner()[offset_hint];
 1741|  8.54k|        auto is_leaf = shift_ == BL;
 1742|  8.54k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 8.54k]
  ------------------
 1743|  8.54k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|  8.54k|                   : visit_maybe_relaxed_sub(
 1745|  8.54k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|  8.54k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcPT_jmT0_DpOT1_:
 1838|  8.54k|{
 1839|  8.54k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 8.54k, False: 0]
  ------------------
 1840|  8.54k|    auto relaxed = node->relaxed();
 1841|  8.54k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 7.41k, False: 1.12k]
  ------------------
 1842|  7.41k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 7.41k, False: 0]
  ------------------
 1843|  7.41k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  7.41k|            .visit(v, std::forward<Args>(args)...);
 1845|  7.41k|    } else {
 1846|  1.12k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.12k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.12k|    }
 1849|  8.54k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1813|  7.41k|    {
 1814|  7.41k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  7.41k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb0EEEJRNSA_5applyIS7_E4type4editERPSC_RjEEEDcT_DpOT0_:
 1036|  1.12k|    {
 1037|  1.12k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.12k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_21push_tail_mut_visitorISC_Lb1EEEJRNSA_5applyIS7_E4type4editERPSC_EEEDcT_DpOT0_:
 1036|   181k|    {
 1037|   181k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   181k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editEPPSC_EEEDcPT_jmT0_DpOT1_:
 1838|  24.3k|{
 1839|  24.3k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 24.3k, False: 0]
  ------------------
 1840|  24.3k|    auto relaxed = node->relaxed();
 1841|  24.3k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 21.1k, False: 3.19k]
  ------------------
 1842|  21.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 21.1k, False: 0]
  ------------------
 1843|  21.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  21.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  21.1k|    } else {
 1846|  3.19k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.19k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.19k|    }
 1849|  24.3k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_DpOT0_:
 1813|  21.1k|    {
 1814|  21.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  21.1k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjDpOT0_:
 1686|   125k|    {
 1687|   125k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 125k, False: 0]
  ------------------
 1688|   125k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 27.8k, False: 97.3k]
  ------------------
 1689|   125k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|   125k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_mjmDpOT0_:
 1698|   125k|    {
 1699|   125k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|   125k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_mjmDpOT0_:
 1717|   125k|    {
 1718|   125k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 125k, False: 0]
  ------------------
 1719|   125k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 27.8k, False: 97.3k]
  |  Branch (1719:9): [True: 125k, False: 0]
  ------------------
 1720|   125k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   125k|        auto child     = node_->inner()[offset_hint];
 1722|   125k|        auto is_leaf   = shift_ == BL;
 1723|   125k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   125k|        auto next_idx  = idx - left_size_hint;
 1725|   125k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 18.9k, False: 106k]
  ------------------
 1726|   125k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  18.9k|                         .visit(v, next_idx, args...)
 1728|   125k|                   : visit_maybe_relaxed_sub(
 1729|   106k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   125k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  144|  18.9k|    {
  145|  18.9k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  18.9k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcPT_jmT0_DpOT1_:
 1838|   106k|{
 1839|   106k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 106k, False: 0]
  ------------------
 1840|   106k|    auto relaxed = node->relaxed();
 1841|   106k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 104k, False: 2.22k]
  ------------------
 1842|   104k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 104k, False: 0]
  ------------------
 1843|   104k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   104k|            .visit(v, std::forward<Args>(args)...);
 1845|   104k|    } else {
 1846|  2.22k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.22k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.22k|    }
 1849|   106k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
 1813|   104k|    {
 1814|   104k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   104k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
 1036|  2.22k|    {
 1037|  2.22k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.22k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13towards_oh_chINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjjDpOT0_:
  938|  5.42k|    {
  939|  5.42k|        return towards_oh_ch_regular(
  940|  5.42k|            *this, v, idx, offset_hint, count(), args...);
  941|  5.42k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_15get_mut_visitorISD_EEJRNSB_5applyIS8_E4type4editERPPSD_EEEDcOT_T0_mjjDpOT1_:
  632|  5.42k|{
  633|  5.42k|    constexpr auto B  = bits<Pos>;
  634|  5.42k|    constexpr auto BL = bits_leaf<Pos>;
  635|  5.42k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 5.42k, False: 0]
  ------------------
  636|  5.42k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 5.42k, False: 0]
  ------------------
  637|  5.42k|    auto is_leaf = p.shift() == BL;
  638|  5.42k|    auto child   = p.node()->inner()[offset_hint];
  639|  5.42k|    auto is_full = offset_hint + 1 != count_hint;
  640|  5.42k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.54k, False: 2.88k]
  ------------------
  641|  5.42k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.30k, False: 1.23k]
  ------------------
  642|  2.54k|                          : make_full_pos(child, p.shift() - B)
  643|  1.23k|                                .visit(v, idx, args...))
  644|  5.42k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.61k, False: 1.26k]
  ------------------
  645|  2.88k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  2.88k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  1.26k|                            .visit(v, idx, args...));
  648|  5.42k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  207|  3.21k|    {
  208|  3.21k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  3.21k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
 1405|  2.21k|    {
 1406|  2.21k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.21k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13towards_oh_chINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjjDpOT0_:
 1329|  2.21k|    {
 1330|  2.21k|        return towards_oh(v, idx, offset_hint, args...);
 1331|  2.21k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_mjDpOT0_:
 1336|  2.21k|    {
 1337|  2.21k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 2.21k, False: 0]
  ------------------
 1338|  2.21k|        auto is_leaf = shift_ == BL;
 1339|  2.21k|        auto child   = node_->inner()[offset_hint];
 1340|  2.21k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.52k, False: 689]
  ------------------
 1341|  2.21k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  2.21k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  2.21k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  112|  2.21k|    {
  113|  2.21k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.21k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editERPPSC_EEEDcT_DpOT0_:
  336|  1.76k|    {
  337|  1.76k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.76k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13towards_oh_chINS1_15get_mut_visitorISC_EEJRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_mjjDpOT0_:
  316|  1.76k|    {
  317|  1.76k|        return towards_oh_ch_regular(
  318|  1.76k|            *this, v, idx, offset_hint, count(), args...);
  319|  1.76k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_15get_mut_visitorISD_EEJRNSB_5applyIS8_E4type4editERPPSD_EEEDcOT_T0_mjjDpOT1_:
  632|  1.76k|{
  633|  1.76k|    constexpr auto B  = bits<Pos>;
  634|  1.76k|    constexpr auto BL = bits_leaf<Pos>;
  635|  1.76k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 1.76k, False: 0]
  ------------------
  636|  1.76k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 1.76k, False: 0]
  ------------------
  637|  1.76k|    auto is_leaf = p.shift() == BL;
  638|  1.76k|    auto child   = p.node()->inner()[offset_hint];
  639|  1.76k|    auto is_full = offset_hint + 1 != count_hint;
  640|  1.76k|    return is_full
  ------------------
  |  Branch (640:12): [True: 668, False: 1.10k]
  ------------------
  641|  1.76k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 386, False: 282]
  ------------------
  642|    668|                          : make_full_pos(child, p.shift() - B)
  643|    282|                                .visit(v, idx, args...))
  644|  1.76k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 599, False: 501]
  ------------------
  645|  1.10k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.10k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    501|                            .visit(v, idx, args...));
  648|  1.76k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_15get_mut_visitorISC_EEJRmRNSA_5applyIS7_E4type4editEPPSC_EEEDcT_DpOT0_:
 1036|  3.19k|    {
 1037|  3.19k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.19k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  42.9k|{
 1839|  42.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 42.9k, False: 0]
  ------------------
 1840|  42.9k|    auto relaxed = node->relaxed();
 1841|  42.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 30.1k, False: 12.7k]
  ------------------
 1842|  30.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 30.1k, False: 0]
  ------------------
 1843|  30.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  30.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  30.1k|    } else {
 1846|  12.7k|        return make_regular_sub_pos(node, shift, size)
 1847|  12.7k|            .visit(v, std::forward<Args>(args)...);
 1848|  12.7k|    }
 1849|  42.9k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  30.1k|    {
 1814|  30.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  30.1k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  14.1k|    {
 1687|  14.1k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 14.1k, False: 0]
  ------------------
 1688|  14.1k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 14.1k]
  ------------------
 1689|  14.1k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  14.1k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  14.1k|    {
 1699|  14.1k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  14.1k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  14.1k|    {
 1718|  14.1k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 14.1k, False: 0]
  ------------------
 1719|  14.1k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 14.1k]
  |  Branch (1719:9): [True: 14.1k, False: 0]
  ------------------
 1720|  14.1k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  14.1k|        auto child     = node_->inner()[offset_hint];
 1722|  14.1k|        auto is_leaf   = shift_ == BL;
 1723|  14.1k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  14.1k|        auto next_idx  = idx - left_size_hint;
 1725|  14.1k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 876, False: 13.2k]
  ------------------
 1726|  14.1k|                   ? make_leaf_sub_pos(child, next_size)
 1727|    876|                         .visit(v, next_idx, args...)
 1728|  14.1k|                   : visit_maybe_relaxed_sub(
 1729|  13.2k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  14.1k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|    876|    {
  145|    876|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    876|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  13.0k|    {
 1687|  13.0k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 13.0k, False: 0]
  ------------------
 1688|  13.0k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 13.0k]
  ------------------
 1689|  13.0k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  13.0k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  13.0k|    {
 1699|  13.0k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  13.0k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  13.0k|    {
 1718|  13.0k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 13.0k, False: 0]
  ------------------
 1719|  13.0k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 13.0k]
  |  Branch (1719:9): [True: 13.0k, False: 0]
  ------------------
 1720|  13.0k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  13.0k|        auto child     = node_->inner()[offset_hint];
 1722|  13.0k|        auto is_leaf   = shift_ == BL;
 1723|  13.0k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  13.0k|        auto next_idx  = idx - left_size_hint;
 1725|  13.0k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 729, False: 12.3k]
  ------------------
 1726|  13.0k|                   ? make_leaf_sub_pos(child, next_size)
 1727|    729|                         .visit(v, next_idx, args...)
 1728|  13.0k|                   : visit_maybe_relaxed_sub(
 1729|  12.3k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  13.0k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|    729|    {
  145|    729|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    729|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  12.3k|{
 1839|  12.3k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 12.3k, False: 0]
  ------------------
 1840|  12.3k|    auto relaxed = node->relaxed();
 1841|  12.3k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 11.1k, False: 1.19k]
  ------------------
 1842|  11.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 11.1k, False: 0]
  ------------------
 1843|  11.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  11.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  11.1k|    } else {
 1846|  1.19k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.19k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.19k|    }
 1849|  12.3k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  11.1k|    {
 1814|  11.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  11.1k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  1.19k|    {
 1037|  1.19k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.19k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  2.46k|    {
  928|  2.46k|        return towards_oh_ch_regular(
  929|  2.46k|            *this, v, idx, offset_hint, count(), args...);
  930|  2.46k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb1ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  2.46k|{
  633|  2.46k|    constexpr auto B  = bits<Pos>;
  634|  2.46k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.46k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.46k, False: 0]
  ------------------
  636|  2.46k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.46k, False: 0]
  ------------------
  637|  2.46k|    auto is_leaf = p.shift() == BL;
  638|  2.46k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.46k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.46k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.04k, False: 418]
  ------------------
  641|  2.46k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 687, False: 1.35k]
  ------------------
  642|  2.04k|                          : make_full_pos(child, p.shift() - B)
  643|  1.35k|                                .visit(v, idx, args...))
  644|  2.46k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 418, False: 0]
  ------------------
  645|    418|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    418|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  2.46k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  1.84k|    {
  208|  1.84k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.84k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  1.66k|    {
 1406|  1.66k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.66k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|  1.45k|    {
 1337|  1.45k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 1.45k, False: 0]
  ------------------
 1338|  1.45k|        auto is_leaf = shift_ == BL;
 1339|  1.45k|        auto child   = node_->inner()[offset_hint];
 1340|  1.45k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.15k, False: 302]
  ------------------
 1341|  1.45k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  1.45k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  1.45k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|  2.46k|    {
 1337|  2.46k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 2.46k, False: 0]
  ------------------
 1338|  2.46k|        auto is_leaf = shift_ == BL;
 1339|  2.46k|        auto child   = node_->inner()[offset_hint];
 1340|  2.46k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.54k, False: 920]
  ------------------
 1341|  2.46k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  2.46k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  2.46k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  3.26k|    {
  208|  3.26k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  3.26k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  3.77k|    {
 1406|  3.77k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.77k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1405|  3.78k|    {
 1406|  3.78k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.78k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|  9.55k|    {
 1337|  9.55k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 9.55k, False: 0]
  ------------------
 1338|  9.55k|        auto is_leaf = shift_ == BL;
 1339|  9.55k|        auto child   = node_->inner()[offset_hint];
 1340|  9.55k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 7.23k, False: 2.32k]
  ------------------
 1341|  9.55k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  9.55k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  9.55k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  9.84k|    {
  208|  9.84k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  9.84k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  5.31k|    {
 1406|  5.31k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  5.31k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1310|  3.63k|    {
 1311|  3.63k|        each_i(v, start, branches<B>, args...);
 1312|  3.63k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE6each_iINS1_11dec_visitorEJEEEvT_jjDpOT0_:
 1263|  3.63k|    {
 1264|  3.63k|        auto p = node_->inner() + i;
 1265|  3.63k|        auto e = node_->inner() + n;
 1266|  3.63k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 2.22k, False: 1.40k]
  ------------------
 1267|  14.3k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 12.1k, False: 2.22k]
  ------------------
 1268|  12.1k|                IMMER_PREFETCH(p + 1);
 1269|  12.1k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|  12.1k|            }
 1271|  2.22k|        } else {
 1272|  1.40k|            auto ss = shift_ - B;
 1273|  10.7k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 9.36k, False: 1.40k]
  ------------------
 1274|  9.36k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  1.40k|        }
 1276|  3.63k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|    418|    {
  113|    418|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    418|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  305|  2.50k|    {
  306|  2.50k|        return towards_oh_ch_regular(
  307|  2.50k|            *this, v, idx, offset_hint, count(), args...);
  308|  2.50k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  2.50k|{
  633|  2.50k|    constexpr auto B  = bits<Pos>;
  634|  2.50k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.50k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.50k, False: 0]
  ------------------
  636|  2.50k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.50k, False: 0]
  ------------------
  637|  2.50k|    auto is_leaf = p.shift() == BL;
  638|  2.50k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.50k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.50k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.63k, False: 869]
  ------------------
  641|  2.50k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 831, False: 807]
  ------------------
  642|  1.63k|                          : make_full_pos(child, p.shift() - B)
  643|    807|                                .visit(v, idx, args...))
  644|  2.50k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 531, False: 338]
  ------------------
  645|    869|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    869|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    338|                            .visit(v, idx, args...));
  648|  2.50k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|  1.45k|    {
  113|  1.45k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  1.45k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  336|  3.42k|    {
  337|  3.42k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.42k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
  336|  1.14k|    {
  337|  1.14k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.14k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  305|  4.29k|    {
  306|  4.29k|        return towards_oh_ch_regular(
  307|  4.29k|            *this, v, idx, offset_hint, count(), args...);
  308|  4.29k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  4.29k|{
  633|  4.29k|    constexpr auto B  = bits<Pos>;
  634|  4.29k|    constexpr auto BL = bits_leaf<Pos>;
  635|  4.29k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 4.29k, False: 0]
  ------------------
  636|  4.29k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 4.29k, False: 0]
  ------------------
  637|  4.29k|    auto is_leaf = p.shift() == BL;
  638|  4.29k|    auto child   = p.node()->inner()[offset_hint];
  639|  4.29k|    auto is_full = offset_hint + 1 != count_hint;
  640|  4.29k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.89k, False: 2.40k]
  ------------------
  641|  4.29k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 999, False: 892]
  ------------------
  642|  1.89k|                          : make_full_pos(child, p.shift() - B)
  643|    892|                                .visit(v, idx, args...))
  644|  4.29k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.66k, False: 739]
  ------------------
  645|  2.40k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  2.40k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    739|                            .visit(v, idx, args...));
  648|  4.29k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|  2.44k|    {
  113|  2.44k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.44k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  336|  3.38k|    {
  337|  3.38k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.38k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
  285|  2.50k|    {
  286|  2.50k|        return each_right_regular(*this, v, start, args...);
  287|  2.50k|    }
_ZN5immer6detail4rbts18each_right_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_jDpOT1_:
  597|  2.50k|{
  598|  2.50k|    constexpr auto B  = bits<Pos>;
  599|  2.50k|    constexpr auto BL = bits_leaf<Pos>;
  600|       |
  601|  2.50k|    if (p.shift() == BL) {
  ------------------
  |  Branch (601:9): [True: 1.36k, False: 1.14k]
  ------------------
  602|  1.36k|        auto n    = p.node()->inner() + start;
  603|  1.36k|        auto last = p.count() - 1;
  604|  1.36k|        auto e    = p.node()->inner() + last;
  605|  1.36k|        if (n <= e) {
  ------------------
  |  Branch (605:13): [True: 831, False: 531]
  ------------------
  606|  3.21k|            for (; n != e; ++n) {
  ------------------
  |  Branch (606:20): [True: 2.38k, False: 831]
  ------------------
  607|  2.38k|                IMMER_PREFETCH(n + 1);
  608|  2.38k|                make_full_leaf_pos(*n).visit(v, args...);
  609|  2.38k|            }
  610|    831|            make_leaf_pos(*n, p.size()).visit(v, args...);
  611|    831|        }
  612|  1.36k|    } else {
  613|  1.14k|        auto n    = p.node()->inner() + start;
  614|  1.14k|        auto last = p.count() - 1;
  615|  1.14k|        auto e    = p.node()->inner() + last;
  616|  1.14k|        auto ss   = p.shift() - B;
  617|  1.14k|        if (n <= e) {
  ------------------
  |  Branch (617:13): [True: 807, False: 338]
  ------------------
  618|  1.84k|            for (; n != e; ++n)
  ------------------
  |  Branch (618:20): [True: 1.03k, False: 807]
  ------------------
  619|  1.03k|                make_full_pos(*n, ss).visit(v, args...);
  620|    807|            make_regular_pos(*n, ss, p.size()).visit(v, args...);
  621|    807|        }
  622|  1.14k|    }
  623|  2.50k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  6.94k|    {
  928|  6.94k|        return towards_oh_ch_regular(
  929|  6.94k|            *this, v, idx, offset_hint, count(), args...);
  930|  6.94k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  6.94k|{
  633|  6.94k|    constexpr auto B  = bits<Pos>;
  634|  6.94k|    constexpr auto BL = bits_leaf<Pos>;
  635|  6.94k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 6.94k, False: 0]
  ------------------
  636|  6.94k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 6.94k, False: 0]
  ------------------
  637|  6.94k|    auto is_leaf = p.shift() == BL;
  638|  6.94k|    auto child   = p.node()->inner()[offset_hint];
  639|  6.94k|    auto is_full = offset_hint + 1 != count_hint;
  640|  6.94k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.94k, False: 4.00k]
  ------------------
  641|  6.94k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 895, False: 2.04k]
  ------------------
  642|  2.94k|                          : make_full_pos(child, p.shift() - B)
  643|  2.04k|                                .visit(v, idx, args...))
  644|  6.94k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 919, False: 3.08k]
  ------------------
  645|  4.00k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  4.00k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  3.08k|                            .visit(v, idx, args...));
  648|  6.94k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  7.12k|    {
  928|  7.12k|        return towards_oh_ch_regular(
  929|  7.12k|            *this, v, idx, offset_hint, count(), args...);
  930|  7.12k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb0ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  7.12k|{
  633|  7.12k|    constexpr auto B  = bits<Pos>;
  634|  7.12k|    constexpr auto BL = bits_leaf<Pos>;
  635|  7.12k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 7.12k, False: 0]
  ------------------
  636|  7.12k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 7.12k, False: 0]
  ------------------
  637|  7.12k|    auto is_leaf = p.shift() == BL;
  638|  7.12k|    auto child   = p.node()->inner()[offset_hint];
  639|  7.12k|    auto is_full = offset_hint + 1 != count_hint;
  640|  7.12k|    return is_full
  ------------------
  |  Branch (640:12): [True: 3.70k, False: 3.41k]
  ------------------
  641|  7.12k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.61k, False: 2.09k]
  ------------------
  642|  3.70k|                          : make_full_pos(child, p.shift() - B)
  643|  2.09k|                                .visit(v, idx, args...))
  644|  7.12k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 775, False: 2.64k]
  ------------------
  645|  3.41k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  3.41k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.64k|                            .visit(v, idx, args...));
  648|  7.12k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
  867|  12.1k|    {
  868|  12.1k|        return each_right_regular(*this, v, start, args...);
  869|  12.1k|    }
_ZN5immer6detail4rbts18each_right_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11dec_visitorEJEEEvOT_T0_jDpOT1_:
  597|  12.1k|{
  598|  12.1k|    constexpr auto B  = bits<Pos>;
  599|  12.1k|    constexpr auto BL = bits_leaf<Pos>;
  600|       |
  601|  12.1k|    if (p.shift() == BL) {
  ------------------
  |  Branch (601:9): [True: 3.57k, False: 8.54k]
  ------------------
  602|  3.57k|        auto n    = p.node()->inner() + start;
  603|  3.57k|        auto last = p.count() - 1;
  604|  3.57k|        auto e    = p.node()->inner() + last;
  605|  3.57k|        if (n <= e) {
  ------------------
  |  Branch (605:13): [True: 1.88k, False: 1.69k]
  ------------------
  606|  3.89k|            for (; n != e; ++n) {
  ------------------
  |  Branch (606:20): [True: 2.00k, False: 1.88k]
  ------------------
  607|  2.00k|                IMMER_PREFETCH(n + 1);
  608|  2.00k|                make_full_leaf_pos(*n).visit(v, args...);
  609|  2.00k|            }
  610|  1.88k|            make_leaf_pos(*n, p.size()).visit(v, args...);
  611|  1.88k|        }
  612|  8.54k|    } else {
  613|  8.54k|        auto n    = p.node()->inner() + start;
  614|  8.54k|        auto last = p.count() - 1;
  615|  8.54k|        auto e    = p.node()->inner() + last;
  616|  8.54k|        auto ss   = p.shift() - B;
  617|  8.54k|        if (n <= e) {
  ------------------
  |  Branch (617:13): [True: 5.46k, False: 3.08k]
  ------------------
  618|  6.46k|            for (; n != e; ++n)
  ------------------
  |  Branch (618:20): [True: 1.00k, False: 5.46k]
  ------------------
  619|  1.00k|                make_full_pos(*n, ss).visit(v, args...);
  620|  5.46k|            make_regular_pos(*n, ss, p.size()).visit(v, args...);
  621|  5.46k|        }
  622|  8.54k|    }
  623|  12.1k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1813|  20.2k|    {
 1814|  20.2k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  20.2k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  9.19k|    {
 1687|  9.19k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 9.19k, False: 0]
  ------------------
 1688|  9.19k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 8.71k, False: 479]
  ------------------
 1689|  9.19k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  9.19k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  9.19k|    {
 1699|  9.19k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  9.19k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  9.19k|    {
 1718|  9.19k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 9.19k, False: 0]
  ------------------
 1719|  9.19k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 8.71k, False: 479]
  |  Branch (1719:9): [True: 9.19k, False: 0]
  ------------------
 1720|  9.19k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  9.19k|        auto child     = node_->inner()[offset_hint];
 1722|  9.19k|        auto is_leaf   = shift_ == BL;
 1723|  9.19k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  9.19k|        auto next_idx  = idx - left_size_hint;
 1725|  9.19k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 1.80k, False: 7.38k]
  ------------------
 1726|  9.19k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  1.80k|                         .visit(v, next_idx, args...)
 1728|  9.19k|                   : visit_maybe_relaxed_sub(
 1729|  7.38k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  9.19k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  1.80k|    {
  145|  1.80k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.80k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  7.38k|{
 1839|  7.38k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.38k, False: 0]
  ------------------
 1840|  7.38k|    auto relaxed = node->relaxed();
 1841|  7.38k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.76k, False: 4.62k]
  ------------------
 1842|  2.76k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.76k, False: 0]
  ------------------
 1843|  2.76k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.76k|            .visit(v, std::forward<Args>(args)...);
 1845|  4.62k|    } else {
 1846|  4.62k|        return make_regular_sub_pos(node, shift, size)
 1847|  4.62k|            .visit(v, std::forward<Args>(args)...);
 1848|  4.62k|    }
 1849|  7.38k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  2.76k|    {
 1814|  2.76k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.76k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  4.62k|    {
 1037|  4.62k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.62k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1036|  10.4k|    {
 1037|  10.4k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  10.4k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1686|  11.6k|    {
 1687|  11.6k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 11.6k, False: 0]
  ------------------
 1688|  11.6k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 9.79k, False: 1.88k]
  ------------------
 1689|  11.6k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  11.6k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  11.6k|    {
 1699|  11.6k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  11.6k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  11.6k|    {
 1718|  11.6k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 11.6k, False: 0]
  ------------------
 1719|  11.6k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 9.79k, False: 1.88k]
  |  Branch (1719:9): [True: 11.6k, False: 0]
  ------------------
 1720|  11.6k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  11.6k|        auto child     = node_->inner()[offset_hint];
 1722|  11.6k|        auto is_leaf   = shift_ == BL;
 1723|  11.6k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  11.6k|        auto next_idx  = idx - left_size_hint;
 1725|  11.6k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 4.54k, False: 7.13k]
  ------------------
 1726|  11.6k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  4.54k|                         .visit(v, next_idx, args...)
 1728|  11.6k|                   : visit_maybe_relaxed_sub(
 1729|  7.13k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  11.6k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  4.54k|    {
  145|  4.54k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.54k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  7.13k|{
 1839|  7.13k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.13k, False: 0]
  ------------------
 1840|  7.13k|    auto relaxed = node->relaxed();
 1841|  7.13k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.96k, False: 3.17k]
  ------------------
 1842|  3.96k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.96k, False: 0]
  ------------------
 1843|  3.96k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.96k|            .visit(v, std::forward<Args>(args)...);
 1845|  3.96k|    } else {
 1846|  3.17k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.17k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.17k|    }
 1849|  7.13k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  3.96k|    {
 1814|  3.96k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.96k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  3.17k|    {
 1037|  3.17k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.17k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1653|  23.3k|    {
 1654|  23.3k|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 23.3k, False: 0]
  ------------------
 1655|  23.3k|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 23.3k, False: 0]
  ------------------
 1656|  23.3k|        auto s = relaxed_->d.sizes[start - 1];
 1657|  23.3k|        auto p = node_->inner();
 1658|  23.3k|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 2.67k, False: 20.6k]
  ------------------
 1659|  9.01k|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 6.33k, False: 2.67k]
  ------------------
 1660|  6.33k|                IMMER_PREFETCH(p + i + 1);
 1661|  6.33k|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  6.33k|                    .visit(v, args...);
 1663|  6.33k|                s = relaxed_->d.sizes[i];
 1664|  6.33k|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 6.33k, False: 0]
  ------------------
 1665|  6.33k|            }
 1666|  20.6k|        } else {
 1667|  20.6k|            auto ss = shift_ - B;
 1668|   109k|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 88.4k, False: 20.6k]
  ------------------
 1669|  88.4k|                visit_maybe_relaxed_sub(
 1670|  88.4k|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  88.4k|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 88.4k, False: 0]
  ------------------
 1673|  88.4k|            }
 1674|  20.6k|        }
 1675|  23.3k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  12.7k|    {
 1037|  12.7k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  12.7k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  927|  5.17k|    {
  928|  5.17k|        return towards_oh_ch_regular(
  929|  5.17k|            *this, v, idx, offset_hint, count(), args...);
  930|  5.17k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_23slice_right_mut_visitorISD_Lb1ELb1EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjjDpOT1_:
  632|  5.17k|{
  633|  5.17k|    constexpr auto B  = bits<Pos>;
  634|  5.17k|    constexpr auto BL = bits_leaf<Pos>;
  635|  5.17k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 5.17k, False: 0]
  ------------------
  636|  5.17k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 5.17k, False: 0]
  ------------------
  637|  5.17k|    auto is_leaf = p.shift() == BL;
  638|  5.17k|    auto child   = p.node()->inner()[offset_hint];
  639|  5.17k|    auto is_full = offset_hint + 1 != count_hint;
  640|  5.17k|    return is_full
  ------------------
  |  Branch (640:12): [True: 4.40k, False: 775]
  ------------------
  641|  5.17k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 990, False: 3.41k]
  ------------------
  642|  4.40k|                          : make_full_pos(child, p.shift() - B)
  643|  3.41k|                                .visit(v, idx, args...))
  644|  5.17k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 775, False: 0]
  ------------------
  645|    775|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    775|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  5.17k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  1.67k|    {
  208|  1.67k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.67k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  3.89k|    {
 1406|  3.89k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.89k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1336|  1.17k|    {
 1337|  1.17k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 1.17k, False: 0]
  ------------------
 1338|  1.17k|        auto is_leaf = shift_ == BL;
 1339|  1.17k|        auto child   = node_->inner()[offset_hint];
 1340|  1.17k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 687, False: 485]
  ------------------
 1341|  1.17k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  1.17k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  1.17k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  112|    775|    {
  113|    775|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    775|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|    947|    {
  145|    947|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    947|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  60.9k|{
 1839|  60.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 60.9k, False: 0]
  ------------------
 1840|  60.9k|    auto relaxed = node->relaxed();
 1841|  60.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 58.1k, False: 2.76k]
  ------------------
 1842|  58.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 58.1k, False: 0]
  ------------------
 1843|  58.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  58.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  58.1k|    } else {
 1846|  2.76k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.76k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.76k|    }
 1849|  60.9k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  58.1k|    {
 1814|  58.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  58.1k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|  1.90k|    {
 1706|  1.90k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 1.90k, False: 0]
  ------------------
 1707|  1.90k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 1.47k, False: 437]
  ------------------
 1708|  1.90k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  1.90k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  1.90k|    {
 1718|  1.90k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 1.90k, False: 0]
  ------------------
 1719|  1.90k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 1.47k, False: 437]
  |  Branch (1719:9): [True: 1.90k, False: 0]
  ------------------
 1720|  1.90k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  1.90k|        auto child     = node_->inner()[offset_hint];
 1722|  1.90k|        auto is_leaf   = shift_ == BL;
 1723|  1.90k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  1.90k|        auto next_idx  = idx - left_size_hint;
 1725|  1.90k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 1.90k]
  ------------------
 1726|  1.90k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  1.90k|                   : visit_maybe_relaxed_sub(
 1729|  1.90k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  1.90k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|  3.32k|    {
 1706|  3.32k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 3.32k, False: 0]
  ------------------
 1707|  3.32k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 2.81k, False: 513]
  ------------------
 1708|  3.32k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  3.32k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  3.32k|    {
 1718|  3.32k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 3.32k, False: 0]
  ------------------
 1719|  3.32k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 2.81k, False: 513]
  |  Branch (1719:9): [True: 3.32k, False: 0]
  ------------------
 1720|  3.32k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  3.32k|        auto child     = node_->inner()[offset_hint];
 1722|  3.32k|        auto is_leaf   = shift_ == BL;
 1723|  3.32k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  3.32k|        auto next_idx  = idx - left_size_hint;
 1725|  3.32k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 3.32k]
  ------------------
 1726|  3.32k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  3.32k|                   : visit_maybe_relaxed_sub(
 1729|  3.32k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  3.32k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  3.32k|{
 1839|  3.32k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 3.32k, False: 0]
  ------------------
 1840|  3.32k|    auto relaxed = node->relaxed();
 1841|  3.32k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.20k, False: 1.11k]
  ------------------
 1842|  2.20k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.20k, False: 0]
  ------------------
 1843|  2.20k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.20k|            .visit(v, std::forward<Args>(args)...);
 1845|  2.20k|    } else {
 1846|  1.11k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.11k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.11k|    }
 1849|  3.32k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  2.20k|    {
 1814|  2.20k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.20k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  1.11k|    {
 1037|  1.11k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.11k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  946|  1.61k|    {
  947|  1.61k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  1.61k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_22slice_left_mut_visitorISD_Lb1ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjDpOT1_:
  653|  1.61k|{
  654|  1.61k|    constexpr auto B  = bits<Pos>;
  655|  1.61k|    constexpr auto BL = bits_leaf<Pos>;
  656|  1.61k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 1.61k, False: 0]
  ------------------
  657|  1.61k|    auto is_leaf = p.shift() == BL;
  658|  1.61k|    auto child   = p.node()->inner()[offset_hint];
  659|  1.61k|    auto lsize   = offset_hint << p.shift();
  660|  1.61k|    auto size    = p.this_size();
  661|  1.61k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  1.61k|    return is_full
  ------------------
  |  Branch (662:12): [True: 636, False: 974]
  ------------------
  663|  1.61k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 0, False: 636]
  ------------------
  664|    636|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|    636|                      : make_full_pos(child, p.shift() - B)
  666|    636|                            .visit(v, idx - lsize, args...))
  667|  1.61k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 974]
  ------------------
  668|    974|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|    974|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|    974|                            .visit(v, idx - lsize, args...));
  672|  1.61k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|    636|    {
 1406|    636|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    636|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1348|  2.99k|    {
 1349|  2.99k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1349:9): [True: 2.99k, False: 0]
  ------------------
 1350|  2.99k|        auto is_leaf = shift_ == BL;
 1351|  2.99k|        auto child   = node_->inner()[offset_hint];
 1352|  2.99k|        auto lsize   = size_t{offset_hint} << shift_;
 1353|  2.99k|        return is_leaf
  ------------------
  |  Branch (1353:16): [True: 2.33k, False: 653]
  ------------------
 1354|  2.99k|                   ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
 1355|  2.99k|                   : make_full_pos(child, shift_ - B)
 1356|    653|                         .visit(v, idx - lsize, args...);
 1357|  2.99k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  207|  8.36k|    {
  208|  8.36k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  8.36k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1405|  2.35k|    {
 1406|  2.35k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.35k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb0EEEJmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|    974|    {
 1037|    974|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    974|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
  946|  7.72k|    {
  947|  7.72k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  7.72k|    }
_ZN5immer6detail4rbts22towards_sub_oh_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_22slice_left_mut_visitorISD_Lb0ELb0EEEJRNSB_5applyIS8_E4type4editEEEEDcOT_T0_mjDpOT1_:
  653|  7.72k|{
  654|  7.72k|    constexpr auto B  = bits<Pos>;
  655|  7.72k|    constexpr auto BL = bits_leaf<Pos>;
  656|  7.72k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 7.72k, False: 0]
  ------------------
  657|  7.72k|    auto is_leaf = p.shift() == BL;
  658|  7.72k|    auto child   = p.node()->inner()[offset_hint];
  659|  7.72k|    auto lsize   = offset_hint << p.shift();
  660|  7.72k|    auto size    = p.this_size();
  661|  7.72k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  7.72k|    return is_full
  ------------------
  |  Branch (662:12): [True: 7.72k, False: 0]
  ------------------
  663|  7.72k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 6.02k, False: 1.70k]
  ------------------
  664|  7.72k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  7.72k|                      : make_full_pos(child, p.shift() - B)
  666|  1.70k|                            .visit(v, idx - lsize, args...))
  667|  7.72k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 0]
  ------------------
  668|      0|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|      0|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|      0|                            .visit(v, idx - lsize, args...));
  672|  7.72k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_16dec_left_visitorEJRjEEEDcT_DpOT0_:
 1813|  1.90k|    {
 1814|  1.90k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.90k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|   207k|    {
 1706|   207k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 207k, False: 0]
  ------------------
 1707|   207k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 47.2k, False: 159k]
  ------------------
 1708|   207k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|   207k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|   207k|    {
 1718|   207k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 207k, False: 0]
  ------------------
 1719|   207k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 47.2k, False: 159k]
  |  Branch (1719:9): [True: 207k, False: 0]
  ------------------
 1720|   207k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   207k|        auto child     = node_->inner()[offset_hint];
 1722|   207k|        auto is_leaf   = shift_ == BL;
 1723|   207k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   207k|        auto next_idx  = idx - left_size_hint;
 1725|   207k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 4.19k, False: 203k]
  ------------------
 1726|   207k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  4.19k|                         .visit(v, next_idx, args...)
 1728|   207k|                   : visit_maybe_relaxed_sub(
 1729|   203k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   207k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  4.19k|    {
  145|  4.19k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.19k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|   203k|{
 1839|   203k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 203k, False: 0]
  ------------------
 1840|   203k|    auto relaxed = node->relaxed();
 1841|   203k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 200k, False: 2.29k]
  ------------------
 1842|   200k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 200k, False: 0]
  ------------------
 1843|   200k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   200k|            .visit(v, std::forward<Args>(args)...);
 1845|   200k|    } else {
 1846|  2.29k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.29k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.29k|    }
 1849|   203k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|   200k|    {
 1814|   200k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   200k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  2.29k|    {
 1037|  2.29k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.29k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_sub_ohINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjDpOT0_:
 1705|  98.8k|    {
 1706|  98.8k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 98.8k, False: 0]
  ------------------
 1707|  98.8k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 61.8k, False: 36.9k]
  ------------------
 1708|  98.8k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  98.8k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  98.8k|    {
 1718|  98.8k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 98.8k, False: 0]
  ------------------
 1719|  98.8k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 61.8k, False: 36.9k]
  |  Branch (1719:9): [True: 98.8k, False: 0]
  ------------------
 1720|  98.8k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  98.8k|        auto child     = node_->inner()[offset_hint];
 1722|  98.8k|        auto is_leaf   = shift_ == BL;
 1723|  98.8k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  98.8k|        auto next_idx  = idx - left_size_hint;
 1725|  98.8k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 46.4k, False: 52.3k]
  ------------------
 1726|  98.8k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  46.4k|                         .visit(v, next_idx, args...)
 1728|  98.8k|                   : visit_maybe_relaxed_sub(
 1729|  52.3k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  98.8k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
  144|  46.4k|    {
  145|  46.4k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  46.4k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcPT_jmT0_DpOT1_:
 1838|  52.3k|{
 1839|  52.3k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 52.3k, False: 0]
  ------------------
 1840|  52.3k|    auto relaxed = node->relaxed();
 1841|  52.3k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 50.1k, False: 2.18k]
  ------------------
 1842|  50.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 50.1k, False: 0]
  ------------------
 1843|  50.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  50.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  50.1k|    } else {
 1846|  2.18k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.18k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.18k|    }
 1849|  52.3k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1813|  50.1k|    {
 1814|  50.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  50.1k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb0ELb0EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  2.18k|    {
 1037|  2.18k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.18k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_22slice_left_mut_visitorISC_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  2.76k|    {
 1037|  2.76k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.76k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitor3rrbEJNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERKPSC_RKjRmEEEDcPT_jmT0_DpOT1_:
 1838|  21.0k|{
 1839|  21.0k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 21.0k, False: 0]
  ------------------
 1840|  21.0k|    auto relaxed = node->relaxed();
 1841|  21.0k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 12.3k, False: 8.67k]
  ------------------
 1842|  12.3k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 12.3k, False: 0]
  ------------------
 1843|  12.3k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  12.3k|            .visit(v, std::forward<Args>(args)...);
 1845|  12.3k|    } else {
 1846|  8.67k|        return make_regular_sub_pos(node, shift, size)
 1847|  8.67k|            .visit(v, std::forward<Args>(args)...);
 1848|  8.67k|    }
 1849|  21.0k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor3rrbEJNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERKPSC_RKjRmEEEDcT_DpOT0_:
 1813|  12.3k|    {
 1814|  12.3k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  12.3k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcPT_jmT0_DpOT1_:
 1838|  12.3k|{
 1839|  12.3k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 12.3k, False: 0]
  ------------------
 1840|  12.3k|    auto relaxed = node->relaxed();
 1841|  12.3k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 9.37k, False: 3.02k]
  ------------------
 1842|  9.37k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 9.37k, False: 0]
  ------------------
 1843|  9.37k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  9.37k|            .visit(v, std::forward<Args>(args)...);
 1845|  9.37k|    } else {
 1846|  3.02k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.02k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.02k|    }
 1849|  12.3k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1813|  9.37k|    {
 1814|  9.37k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  9.37k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1793|  54.0k|    {
 1794|  54.0k|        auto child      = node_->inner()[offset];
 1795|  54.0k|        auto child_size = size(offset);
 1796|  54.0k|        auto is_leaf    = shift_ == BL;
 1797|  54.0k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 25.3k, False: 28.6k]
  ------------------
 1798|  54.0k|                       : visit_maybe_relaxed_sub(
 1799|  28.6k|                             child, shift_ - B, child_size, v, args...);
 1800|  54.0k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  25.9k|    {
  145|  25.9k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  25.9k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1804|  25.9k|    {
 1805|  25.9k|        assert(shift_ == BL);
  ------------------
  |  Branch (1805:9): [True: 25.9k, False: 0]
  ------------------
 1806|  25.9k|        auto child      = node_->inner()[offset];
 1807|  25.9k|        auto child_size = size(offset);
 1808|  25.9k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1809|  25.9k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  26.6k|    {
  145|  26.6k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  26.6k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  28.6k|{
 1839|  28.6k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 28.6k, False: 0]
  ------------------
 1840|  28.6k|    auto relaxed = node->relaxed();
 1841|  28.6k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 23.6k, False: 4.98k]
  ------------------
 1842|  23.6k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 23.6k, False: 0]
  ------------------
 1843|  23.6k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  23.6k|            .visit(v, std::forward<Args>(args)...);
 1845|  23.6k|    } else {
 1846|  4.98k|        return make_regular_sub_pos(node, shift, size)
 1847|  4.98k|            .visit(v, std::forward<Args>(args)...);
 1848|  4.98k|    }
 1849|  28.6k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  23.6k|    {
 1814|  23.6k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  23.6k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1793|  23.6k|    {
 1794|  23.6k|        auto child      = node_->inner()[offset];
 1795|  23.6k|        auto child_size = size(offset);
 1796|  23.6k|        auto is_leaf    = shift_ == BL;
 1797|  23.6k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 23.6k]
  ------------------
 1798|  23.6k|                       : visit_maybe_relaxed_sub(
 1799|  23.6k|                             child, shift_ - B, child_size, v, args...);
 1800|  23.6k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  23.6k|{
 1839|  23.6k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 23.6k, False: 0]
  ------------------
 1840|  23.6k|    auto relaxed = node->relaxed();
 1841|  23.6k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 22.7k, False: 881]
  ------------------
 1842|  22.7k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 22.7k, False: 0]
  ------------------
 1843|  22.7k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  22.7k|            .visit(v, std::forward<Args>(args)...);
 1845|  22.7k|    } else {
 1846|    881|        return make_regular_sub_pos(node, shift, size)
 1847|    881|            .visit(v, std::forward<Args>(args)...);
 1848|    881|    }
 1849|  23.6k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  22.7k|    {
 1814|  22.7k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  22.7k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|  1.20k|    {
 1037|  1.20k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.20k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1793|  8.22k|    {
 1794|  8.22k|        auto child      = node_->inner()[offset];
 1795|  8.22k|        auto child_size = size(offset);
 1796|  8.22k|        auto is_leaf    = shift_ == BL;
 1797|  8.22k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 5.35k, False: 2.87k]
  ------------------
 1798|  8.22k|                       : visit_maybe_relaxed_sub(
 1799|  2.87k|                             child, shift_ - B, child_size, v, args...);
 1800|  8.22k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  5.35k|    {
  145|  5.35k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  5.35k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1025|  5.35k|    {
 1026|  5.35k|        assert(shift_ == BL);
  ------------------
  |  Branch (1026:9): [True: 5.35k, False: 0]
  ------------------
 1027|  5.35k|        auto child   = node_->inner()[idx];
 1028|  5.35k|        auto lsize   = size(idx);
 1029|  5.35k|        auto is_full = idx + 1 < count();
 1030|  5.35k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1030:16): [True: 4.66k, False: 693]
  ------------------
 1031|  5.35k|                       : make_leaf_sub_pos(child, lsize).visit(v, args...);
 1032|  5.35k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  207|  12.4k|    {
  208|  12.4k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  12.4k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  2.87k|{
 1839|  2.87k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 2.87k, False: 0]
  ------------------
 1840|  2.87k|    auto relaxed = node->relaxed();
 1841|  2.87k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.96k, False: 910]
  ------------------
 1842|  1.96k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.96k, False: 0]
  ------------------
 1843|  1.96k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.96k|            .visit(v, std::forward<Args>(args)...);
 1845|  1.96k|    } else {
 1846|    910|        return make_regular_sub_pos(node, shift, size)
 1847|    910|            .visit(v, std::forward<Args>(args)...);
 1848|    910|    }
 1849|  2.87k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  1.96k|    {
 1814|  1.96k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.96k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1007|  1.96k|    {
 1008|  1.96k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 1.96k, False: 0]
  ------------------
 1009|  1.96k|        auto is_leaf = shift_ == BL;
 1010|  1.96k|        auto child   = node_->inner()[idx];
 1011|  1.96k|        auto lsize   = size(idx);
 1012|  1.96k|        auto is_full = idx + 1 < count();
 1013|  1.96k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 1.63k, False: 326]
  ------------------
 1014|  1.96k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 0, False: 1.63k]
  ------------------
 1015|  1.63k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  1.63k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  1.96k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 0, False: 326]
  ------------------
 1018|    326|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|    326|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|    326|                                .visit(v, args...));
 1021|  1.96k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1405|  2.21k|    {
 1406|  2.21k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.21k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1793|  9.24k|    {
 1794|  9.24k|        auto child      = node_->inner()[offset];
 1795|  9.24k|        auto child_size = size(offset);
 1796|  9.24k|        auto is_leaf    = shift_ == BL;
 1797|  9.24k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 7.74k, False: 1.50k]
  ------------------
 1798|  9.24k|                       : visit_maybe_relaxed_sub(
 1799|  1.50k|                             child, shift_ - B, child_size, v, args...);
 1800|  9.24k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  7.74k|    {
  145|  7.74k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.74k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_12leaf_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1396|  7.74k|    {
 1397|  7.74k|        assert(shift_ == BL);
  ------------------
  |  Branch (1397:9): [True: 7.74k, False: 0]
  ------------------
 1398|  7.74k|        assert(idx < count());
  ------------------
  |  Branch (1398:9): [True: 7.74k, False: 0]
  ------------------
 1399|  7.74k|        auto child = node_->inner()[idx];
 1400|  7.74k|        return make_full_leaf_pos(child).visit(v, args...);
 1401|  7.74k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  1.50k|{
 1839|  1.50k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.50k, False: 0]
  ------------------
 1840|  1.50k|    auto relaxed = node->relaxed();
 1841|  1.50k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 580, False: 925]
  ------------------
 1842|    580|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 580, False: 0]
  ------------------
 1843|    580|        return make_relaxed_pos(node, shift, relaxed)
 1844|    580|            .visit(v, std::forward<Args>(args)...);
 1845|    925|    } else {
 1846|    925|        return make_regular_sub_pos(node, shift, size)
 1847|    925|            .visit(v, std::forward<Args>(args)...);
 1848|    925|    }
 1849|  1.50k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|    580|    {
 1814|    580|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    580|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1386|    580|    {
 1387|    580|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 580, False: 0]
  ------------------
 1388|    580|        auto is_leaf = shift_ == BL;
 1389|    580|        auto child   = node_->inner()[idx];
 1390|    580|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 0, False: 580]
  ------------------
 1391|    580|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|    580|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|    925|    {
 1037|    925|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    925|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1386|    925|    {
 1387|    925|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 925, False: 0]
  ------------------
 1388|    925|        auto is_leaf = shift_ == BL;
 1389|    925|        auto child   = node_->inner()[idx];
 1390|    925|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 0, False: 925]
  ------------------
 1391|    925|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|    925|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1405|  1.83k|    {
 1406|  1.83k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.83k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_pred_zipINS1_14equals_visitorEJEEEbT_PSC_DpOT0_:
 1222|  4.45k|    {
 1223|  4.45k|        auto p  = node_->inner();
 1224|  4.45k|        auto p2 = other->inner();
 1225|  4.45k|        auto e  = p + branches<B>;
 1226|  4.45k|        if (shift_ == BL) {
  ------------------
  |  Branch (1226:13): [True: 3.40k, False: 1.05k]
  ------------------
 1227|  23.1k|            for (; p != e; ++p, ++p2) {
  ------------------
  |  Branch (1227:20): [True: 21.2k, False: 1.92k]
  ------------------
 1228|  21.2k|                IMMER_PREFETCH(p + 1);
 1229|  21.2k|                if (!make_full_leaf_pos(*p).visit(v, *p2, args...))
  ------------------
  |  Branch (1229:21): [True: 1.47k, False: 19.7k]
  ------------------
 1230|  1.47k|                    return false;
 1231|  21.2k|            }
 1232|  3.40k|        } else {
 1233|  1.05k|            auto ss = shift_ - B;
 1234|  6.84k|            for (; p != e; ++p, ++p2)
  ------------------
  |  Branch (1234:20): [True: 6.25k, False: 584]
  ------------------
 1235|  6.25k|                if (!make_full_pos(*p, ss).visit(v, *p2, args...))
  ------------------
  |  Branch (1235:21): [True: 467, False: 5.79k]
  ------------------
 1236|    467|                    return false;
 1237|  1.05k|        }
 1238|  2.51k|        return true;
 1239|  4.45k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  207|  29.4k|    {
  208|  29.4k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  29.4k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
 1405|  12.0k|    {
 1406|  12.0k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  12.0k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_pred_zipINS1_14equals_visitorEJEEEbT_PSC_DpOT0_:
  837|  5.44k|    {
  838|  5.44k|        return each_pred_zip_regular(*this, v, other, args...);
  839|  5.44k|    }
_ZN5immer6detail4rbts21each_pred_zip_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_14equals_visitorEJEEEbOT_T0_PNSt3__15decayISH_E4type6node_tEDpOT1_:
  392|  5.44k|{
  393|  5.44k|    constexpr auto B  = bits<Pos>;
  394|  5.44k|    constexpr auto BL = bits_leaf<Pos>;
  395|       |
  396|  5.44k|    auto n    = p.node()->inner();
  397|  5.44k|    auto n2   = other->inner();
  398|  5.44k|    auto last = p.count() - 1;
  399|  5.44k|    auto e    = n + last;
  400|  5.44k|    if (p.shift() == BL) {
  ------------------
  |  Branch (400:9): [True: 2.08k, False: 3.36k]
  ------------------
  401|  6.50k|        for (; n != e; ++n, ++n2) {
  ------------------
  |  Branch (401:16): [True: 5.29k, False: 1.21k]
  ------------------
  402|  5.29k|            IMMER_PREFETCH(n + 1);
  403|  5.29k|            IMMER_PREFETCH(n2 + 1);
  404|  5.29k|            if (!make_full_leaf_pos(*n).visit(v, *n2, args...))
  ------------------
  |  Branch (404:17): [True: 872, False: 4.42k]
  ------------------
  405|    872|                return false;
  406|  5.29k|        }
  407|  1.21k|        return make_leaf_pos(*n, p.size()).visit(v, *n2, args...);
  408|  3.36k|    } else {
  409|  3.36k|        auto ss = p.shift() - B;
  410|  6.58k|        for (; n != e; ++n, ++n2)
  ------------------
  |  Branch (410:16): [True: 4.20k, False: 2.38k]
  ------------------
  411|  4.20k|            if (!make_full_pos(*n, ss).visit(v, *n2, args...))
  ------------------
  |  Branch (411:17): [True: 980, False: 3.22k]
  ------------------
  412|    980|                return false;
  413|  2.38k|        return make_regular_pos(*n, ss, p.size()).visit(v, *n2, args...);
  414|  3.36k|    }
  415|  5.44k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  112|  2.84k|    {
  113|  2.84k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.84k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  336|  3.02k|    {
  337|  3.02k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.02k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13each_pred_zipINS1_14equals_visitorEJEEEbT_PSC_DpOT0_:
  255|  2.73k|    {
  256|  2.73k|        return each_pred_zip_regular(*this, v, other, args...);
  257|  2.73k|    }
_ZN5immer6detail4rbts21each_pred_zip_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_14equals_visitorEJEEEbOT_T0_PNSt3__15decayISH_E4type6node_tEDpOT1_:
  392|  2.73k|{
  393|  2.73k|    constexpr auto B  = bits<Pos>;
  394|  2.73k|    constexpr auto BL = bits_leaf<Pos>;
  395|       |
  396|  2.73k|    auto n    = p.node()->inner();
  397|  2.73k|    auto n2   = other->inner();
  398|  2.73k|    auto last = p.count() - 1;
  399|  2.73k|    auto e    = n + last;
  400|  2.73k|    if (p.shift() == BL) {
  ------------------
  |  Branch (400:9): [True: 1.86k, False: 874]
  ------------------
  401|  4.50k|        for (; n != e; ++n, ++n2) {
  ------------------
  |  Branch (401:16): [True: 2.86k, False: 1.63k]
  ------------------
  402|  2.86k|            IMMER_PREFETCH(n + 1);
  403|  2.86k|            IMMER_PREFETCH(n2 + 1);
  404|  2.86k|            if (!make_full_leaf_pos(*n).visit(v, *n2, args...))
  ------------------
  |  Branch (404:17): [True: 228, False: 2.63k]
  ------------------
  405|    228|                return false;
  406|  2.86k|        }
  407|  1.63k|        return make_leaf_pos(*n, p.size()).visit(v, *n2, args...);
  408|  1.86k|    } else {
  409|    874|        auto ss = p.shift() - B;
  410|  2.18k|        for (; n != e; ++n, ++n2)
  ------------------
  |  Branch (410:16): [True: 1.54k, False: 642]
  ------------------
  411|  1.54k|            if (!make_full_pos(*n, ss).visit(v, *n2, args...))
  ------------------
  |  Branch (411:17): [True: 232, False: 1.31k]
  ------------------
  412|    232|                return false;
  413|    642|        return make_regular_pos(*n, ss, p.size()).visit(v, *n2, args...);
  414|    874|    }
  415|  2.73k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_24for_each_chunk_p_visitorEJZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcjSK_DpOT0_:
 1386|  5.98k|    {
 1387|  5.98k|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 5.98k, False: 0]
  ------------------
 1388|  5.98k|        auto is_leaf = shift_ == BL;
 1389|  5.98k|        auto child   = node_->inner()[idx];
 1390|  5.98k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 5.04k, False: 943]
  ------------------
 1391|  5.98k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|  5.98k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  207|   254k|    {
  208|   254k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   254k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_18region_for_visitorIiEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  4.80M|{
 1839|  4.80M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 4.80M, False: 0]
  ------------------
 1840|  4.80M|    auto relaxed = node->relaxed();
 1841|  4.80M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 4.51M, False: 290k]
  ------------------
 1842|  4.51M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 4.51M, False: 0]
  ------------------
 1843|  4.51M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  4.51M|            .visit(v, std::forward<Args>(args)...);
 1845|  4.51M|    } else {
 1846|   290k|        return make_regular_sub_pos(node, shift, size)
 1847|   290k|            .visit(v, std::forward<Args>(args)...);
 1848|   290k|    }
 1849|  4.80M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1813|  4.51M|    {
 1814|  4.51M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  4.51M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
 1679|  4.51M|    {
 1680|  4.51M|        return towards_oh(v, idx, subindex(idx), args...);
 1681|  4.51M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_18region_for_visitorIiEEJEEEDcT_mjDpOT0_:
 1686|  4.51M|    {
 1687|  4.51M|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 4.51M, False: 0]
  ------------------
 1688|  4.51M|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 3.16M, False: 1.35M]
  ------------------
 1689|  4.51M|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  4.51M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_18region_for_visitorIiEEJEEEDcT_mjmDpOT0_:
 1698|  4.51M|    {
 1699|  4.51M|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  4.51M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_18region_for_visitorIiEEJEEEDcT_mjmDpOT0_:
 1717|  4.51M|    {
 1718|  4.51M|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 4.51M, False: 0]
  ------------------
 1719|  4.51M|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 3.16M, False: 1.35M]
  |  Branch (1719:9): [True: 4.51M, False: 0]
  ------------------
 1720|  4.51M|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  4.51M|        auto child     = node_->inner()[offset_hint];
 1722|  4.51M|        auto is_leaf   = shift_ == BL;
 1723|  4.51M|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  4.51M|        auto next_idx  = idx - left_size_hint;
 1725|  4.51M|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 980k, False: 3.53M]
  ------------------
 1726|  4.51M|                   ? make_leaf_sub_pos(child, next_size)
 1727|   980k|                         .visit(v, next_idx, args...)
 1728|  4.51M|                   : visit_maybe_relaxed_sub(
 1729|  3.53M|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  4.51M|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  144|   980k|    {
  145|   980k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   980k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1036|   290k|    {
 1037|   290k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   290k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
  919|   290k|    {
  920|   290k|        return towards_oh_ch_regular(
  921|   290k|            *this, v, idx, index(idx), count(), args...);
  922|   290k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_18region_for_visitorIiEEJEEEDcOT_T0_mjjDpOT1_:
  632|   290k|{
  633|   290k|    constexpr auto B  = bits<Pos>;
  634|   290k|    constexpr auto BL = bits_leaf<Pos>;
  635|   290k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 290k, False: 0]
  ------------------
  636|   290k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 290k, False: 0]
  ------------------
  637|   290k|    auto is_leaf = p.shift() == BL;
  638|   290k|    auto child   = p.node()->inner()[offset_hint];
  639|   290k|    auto is_full = offset_hint + 1 != count_hint;
  640|   290k|    return is_full
  ------------------
  |  Branch (640:12): [True: 246k, False: 44.0k]
  ------------------
  641|   290k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 88.9k, False: 157k]
  ------------------
  642|   246k|                          : make_full_pos(child, p.shift() - B)
  643|   157k|                                .visit(v, idx, args...))
  644|   290k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 16.1k, False: 27.8k]
  ------------------
  645|  44.0k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  44.0k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  27.8k|                            .visit(v, idx, args...));
  648|   290k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  207|   270k|    {
  208|   270k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   270k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1405|   288k|    {
 1406|   288k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   288k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
 1322|   288k|    {
 1323|   288k|        return towards_oh(v, idx, index(idx), args...);
 1324|   288k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_18region_for_visitorIiEEJEEEDcT_mjDpOT0_:
 1336|   288k|    {
 1337|   288k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 288k, False: 0]
  ------------------
 1338|   288k|        auto is_leaf = shift_ == BL;
 1339|   288k|        auto child   = node_->inner()[offset_hint];
 1340|   288k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 172k, False: 116k]
  ------------------
 1341|   288k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|   288k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|   288k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  112|  20.3k|    {
  113|  20.3k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  20.3k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  336|  30.7k|    {
  337|  30.7k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  30.7k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
  297|  30.7k|    {
  298|  30.7k|        return towards_oh_ch_regular(
  299|  30.7k|            *this, v, idx, index(idx), count(), args...);
  300|  30.7k|    }
_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_18region_for_visitorIiEEJEEEDcOT_T0_mjjDpOT1_:
  632|  30.7k|{
  633|  30.7k|    constexpr auto B  = bits<Pos>;
  634|  30.7k|    constexpr auto BL = bits_leaf<Pos>;
  635|  30.7k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 30.7k, False: 0]
  ------------------
  636|  30.7k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 30.7k, False: 0]
  ------------------
  637|  30.7k|    auto is_leaf = p.shift() == BL;
  638|  30.7k|    auto child   = p.node()->inner()[offset_hint];
  639|  30.7k|    auto is_full = offset_hint + 1 != count_hint;
  640|  30.7k|    return is_full
  ------------------
  |  Branch (640:12): [True: 23.6k, False: 7.06k]
  ------------------
  641|  30.7k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 9.08k, False: 14.5k]
  ------------------
  642|  23.6k|                          : make_full_pos(child, p.shift() - B)
  643|  14.5k|                                .visit(v, idx, args...))
  644|  30.7k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 4.23k, False: 2.82k]
  ------------------
  645|  7.06k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  7.06k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.82k|                            .visit(v, idx, args...));
  648|  30.7k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
 1405|  20.9k|    {
 1406|  20.9k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  20.9k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
 1202|  20.9k|    {
 1203|  20.9k|        auto p = node_->inner();
 1204|  20.9k|        auto e = p + branches<B>;
 1205|  20.9k|        if (shift_ == BL) {
  ------------------
  |  Branch (1205:13): [True: 19.7k, False: 1.21k]
  ------------------
 1206|   170k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1206:20): [True: 151k, False: 18.3k]
  ------------------
 1207|   151k|                IMMER_PREFETCH(p + 1);
 1208|   151k|                if (!make_full_leaf_pos(*p).visit(v, args...))
  ------------------
  |  Branch (1208:21): [True: 1.32k, False: 150k]
  ------------------
 1209|  1.32k|                    return false;
 1210|   151k|            }
 1211|  19.7k|        } else {
 1212|  1.21k|            auto ss = shift_ - B;
 1213|  10.0k|            for (; p != e; ++p)
  ------------------
  |  Branch (1213:20): [True: 9.11k, False: 977]
  ------------------
 1214|  9.11k|                if (!make_full_pos(*p, ss).visit(v, args...))
  ------------------
  |  Branch (1214:21): [True: 241, False: 8.87k]
  ------------------
 1215|    241|                    return false;
 1216|  1.21k|        }
 1217|  19.3k|        return true;
 1218|  20.9k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|    910|    {
 1037|    910|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    910|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1007|    910|    {
 1008|    910|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 910, False: 0]
  ------------------
 1009|    910|        auto is_leaf = shift_ == BL;
 1010|    910|        auto child   = node_->inner()[idx];
 1011|    910|        auto lsize   = size(idx);
 1012|    910|        auto is_full = idx + 1 < count();
 1013|    910|        return is_full
  ------------------
  |  Branch (1013:16): [True: 910, False: 0]
  ------------------
 1014|    910|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 0, False: 910]
  ------------------
 1015|    910|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|    910|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|    910|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 0, False: 0]
  ------------------
 1018|      0|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|      0|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|      0|                                .visit(v, args...));
 1021|    910|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|  4.04k|    {
 1037|  4.04k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.04k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_24for_each_chunk_p_visitorEJZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcjSK_DpOT0_:
 1007|  5.28k|    {
 1008|  5.28k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 5.28k, False: 0]
  ------------------
 1009|  5.28k|        auto is_leaf = shift_ == BL;
 1010|  5.28k|        auto child   = node_->inner()[idx];
 1011|  5.28k|        auto lsize   = size(idx);
 1012|  5.28k|        auto is_full = idx + 1 < count();
 1013|  5.28k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 3.29k, False: 1.98k]
  ------------------
 1014|  5.28k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 2.83k, False: 466]
  ------------------
 1015|  3.29k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  3.29k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  5.28k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 1.19k, False: 793]
  ------------------
 1018|  1.98k|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|  1.98k|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|    793|                                .visit(v, args...));
 1021|  5.28k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  144|   931k|    {
  145|   931k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   931k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
 1036|  17.8k|    {
 1037|  17.8k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  17.8k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
  831|  17.8k|    {
  832|  17.8k|        return each_pred_regular(*this, v, args...);
  833|  17.8k|    }
_ZN5immer6detail4rbts17each_pred_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSC_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEEbSM_SN_DpOT1_:
  365|  17.8k|{
  366|  17.8k|    constexpr auto B  = bits<Pos>;
  367|  17.8k|    constexpr auto BL = bits_leaf<Pos>;
  368|  17.8k|    auto n            = p.node()->inner();
  369|  17.8k|    auto last         = p.count() - 1;
  370|  17.8k|    auto e            = n + last;
  371|  17.8k|    if (p.shift() == BL) {
  ------------------
  |  Branch (371:9): [True: 14.0k, False: 3.77k]
  ------------------
  372|   100k|        for (; n != e; ++n) {
  ------------------
  |  Branch (372:16): [True: 87.5k, False: 13.1k]
  ------------------
  373|  87.5k|            IMMER_PREFETCH(n + 1);
  374|  87.5k|            if (!make_full_leaf_pos(*n).visit(v, args...))
  ------------------
  |  Branch (374:17): [True: 965, False: 86.6k]
  ------------------
  375|    965|                return false;
  376|  87.5k|        }
  377|  13.1k|        return make_leaf_pos(*n, p.size()).visit(v, args...);
  378|  14.0k|    } else {
  379|  3.77k|        auto ss = p.shift() - B;
  380|  11.9k|        for (; n != e; ++n)
  ------------------
  |  Branch (380:16): [True: 9.09k, False: 2.88k]
  ------------------
  381|  9.09k|            if (!make_full_pos(*n, ss).visit(v, args...))
  ------------------
  |  Branch (381:17): [True: 884, False: 8.20k]
  ------------------
  382|    884|                return false;
  383|  2.88k|        return make_regular_pos(*n, ss, p.size()).visit(v, args...);
  384|  3.77k|    }
  385|  17.8k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  112|  15.5k|    {
  113|  15.5k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  15.5k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
  336|  3.89k|    {
  337|  3.89k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.89k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
  249|  3.89k|    {
  250|  3.89k|        return each_pred_regular(*this, v, args...);
  251|  3.89k|    }
_ZN5immer6detail4rbts17each_pred_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSC_Lj3ELj3EEEEEDaOT_EUlSL_T0_E_EEEbSM_SN_DpOT1_:
  365|  3.89k|{
  366|  3.89k|    constexpr auto B  = bits<Pos>;
  367|  3.89k|    constexpr auto BL = bits_leaf<Pos>;
  368|  3.89k|    auto n            = p.node()->inner();
  369|  3.89k|    auto last         = p.count() - 1;
  370|  3.89k|    auto e            = n + last;
  371|  3.89k|    if (p.shift() == BL) {
  ------------------
  |  Branch (371:9): [True: 2.68k, False: 1.20k]
  ------------------
  372|  9.36k|        for (; n != e; ++n) {
  ------------------
  |  Branch (372:16): [True: 6.92k, False: 2.43k]
  ------------------
  373|  6.92k|            IMMER_PREFETCH(n + 1);
  374|  6.92k|            if (!make_full_leaf_pos(*n).visit(v, args...))
  ------------------
  |  Branch (374:17): [True: 250, False: 6.67k]
  ------------------
  375|    250|                return false;
  376|  6.92k|        }
  377|  2.43k|        return make_leaf_pos(*n, p.size()).visit(v, args...);
  378|  2.68k|    } else {
  379|  1.20k|        auto ss = p.shift() - B;
  380|  2.31k|        for (; n != e; ++n)
  ------------------
  |  Branch (380:16): [True: 1.31k, False: 1.00k]
  ------------------
  381|  1.31k|            if (!make_full_pos(*n, ss).visit(v, args...))
  ------------------
  |  Branch (381:17): [True: 200, False: 1.11k]
  ------------------
  382|    200|                return false;
  383|  1.00k|        return make_regular_pos(*n, ss, p.size()).visit(v, args...);
  384|  1.20k|    }
  385|  3.89k|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|  4.98k|    {
 1037|  4.98k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.98k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1793|  4.98k|    {
 1794|  4.98k|        auto child      = node_->inner()[offset];
 1795|  4.98k|        auto child_size = size(offset);
 1796|  4.98k|        auto is_leaf    = shift_ == BL;
 1797|  4.98k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 4.98k]
  ------------------
 1798|  4.98k|                       : visit_maybe_relaxed_sub(
 1799|  4.98k|                             child, shift_ - B, child_size, v, args...);
 1800|  4.98k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  4.98k|{
 1839|  4.98k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 4.98k, False: 0]
  ------------------
 1840|  4.98k|    auto relaxed = node->relaxed();
 1841|  4.98k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 946, False: 4.04k]
  ------------------
 1842|    946|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 946, False: 0]
  ------------------
 1843|    946|        return make_relaxed_pos(node, shift, relaxed)
 1844|    946|            .visit(v, std::forward<Args>(args)...);
 1845|  4.04k|    } else {
 1846|  4.04k|        return make_regular_sub_pos(node, shift, size)
 1847|  4.04k|            .visit(v, std::forward<Args>(args)...);
 1848|  4.04k|    }
 1849|  4.98k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|    946|    {
 1814|    946|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    946|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1007|  7.83k|    {
 1008|  7.83k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 7.83k, False: 0]
  ------------------
 1009|  7.83k|        auto is_leaf = shift_ == BL;
 1010|  7.83k|        auto child   = node_->inner()[idx];
 1011|  7.83k|        auto lsize   = size(idx);
 1012|  7.83k|        auto is_full = idx + 1 < count();
 1013|  7.83k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 7.29k, False: 540]
  ------------------
 1014|  7.83k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 4.61k, False: 2.68k]
  ------------------
 1015|  7.29k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  7.29k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  7.83k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 540, False: 0]
  ------------------
 1018|    540|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|    540|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|      0|                                .visit(v, args...));
 1021|  7.83k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  207|  11.8k|    {
  208|  11.8k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  11.8k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE12nth_sub_leafINS1_14equals_visitorEJRNS1_13full_leaf_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1804|  11.8k|    {
 1805|  11.8k|        assert(shift_ == BL);
  ------------------
  |  Branch (1805:9): [True: 11.8k, False: 0]
  ------------------
 1806|  11.8k|        auto child      = node_->inner()[offset];
 1807|  11.8k|        auto child_size = size(offset);
 1808|  11.8k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1809|  11.8k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_13full_leaf_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
  144|  11.8k|    {
  145|  11.8k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  11.8k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1405|  4.55k|    {
 1406|  4.55k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  4.55k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcjT_DpOT0_:
 1793|  4.55k|    {
 1794|  4.55k|        auto child      = node_->inner()[offset];
 1795|  4.55k|        auto child_size = size(offset);
 1796|  4.55k|        auto is_leaf    = shift_ == BL;
 1797|  4.55k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 4.55k]
  ------------------
 1798|  4.55k|                       : visit_maybe_relaxed_sub(
 1799|  4.55k|                             child, shift_ - B, child_size, v, args...);
 1800|  4.55k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcPT_jmT0_DpOT1_:
 1838|  4.55k|{
 1839|  4.55k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 4.55k, False: 0]
  ------------------
 1840|  4.55k|    auto relaxed = node->relaxed();
 1841|  4.55k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.92k, False: 2.62k]
  ------------------
 1842|  1.92k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.92k, False: 0]
  ------------------
 1843|  1.92k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.92k|            .visit(v, std::forward<Args>(args)...);
 1845|  2.62k|    } else {
 1846|  2.62k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.62k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.62k|    }
 1849|  4.55k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1813|  1.92k|    {
 1814|  1.92k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.92k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_14equals_visitor10this_aux_tEJRjRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcjT_DpOT0_:
 1386|  9.06k|    {
 1387|  9.06k|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 9.06k, False: 0]
  ------------------
 1388|  9.06k|        auto is_leaf = shift_ == BL;
 1389|  9.06k|        auto child   = node_->inner()[idx];
 1390|  9.06k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 7.19k, False: 1.87k]
  ------------------
 1391|  9.06k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|  9.06k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_8full_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERmEEEDcT_DpOT0_:
 1036|  2.62k|    {
 1037|  2.62k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.62k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7nth_subINS1_24for_each_chunk_p_visitorEJZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcjSK_DpOT0_:
 1793|  66.2k|    {
 1794|  66.2k|        auto child      = node_->inner()[offset];
 1795|  66.2k|        auto child_size = size(offset);
 1796|  66.2k|        auto is_leaf    = shift_ == BL;
 1797|  66.2k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 29.7k, False: 36.5k]
  ------------------
 1798|  66.2k|                       : visit_maybe_relaxed_sub(
 1799|  36.5k|                             child, shift_ - B, child_size, v, args...);
 1800|  66.2k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSI_T0_E_EEEDcPSI_jmSK_DpOT1_:
 1838|   158k|{
 1839|   158k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 158k, False: 0]
  ------------------
 1840|   158k|    auto relaxed = node->relaxed();
 1841|   158k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 141k, False: 17.0k]
  ------------------
 1842|   141k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 141k, False: 0]
  ------------------
 1843|   141k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   141k|            .visit(v, std::forward<Args>(args)...);
 1845|   141k|    } else {
 1846|  17.0k|        return make_regular_sub_pos(node, shift, size)
 1847|  17.0k|            .visit(v, std::forward<Args>(args)...);
 1848|  17.0k|    }
 1849|   158k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEDcSK_DpOT0_:
 1813|   141k|    {
 1814|   141k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   141k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_predINS1_24for_each_chunk_p_visitorEJRZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEEEDaOT_EUlSK_T0_E_EEEbSK_DpOT0_:
 1482|   141k|    {
 1483|   141k|        auto p = node_->inner();
 1484|   141k|        auto s = size_t{};
 1485|   141k|        auto n = count();
 1486|   141k|        if (shift_ == BL) {
  ------------------
  |  Branch (1486:13): [True: 123k, False: 18.2k]
  ------------------
 1487|  1.02M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1487:39): [True: 900k, False: 122k]
  ------------------
 1488|   900k|                IMMER_PREFETCH(p + i + 1);
 1489|   900k|                if (!make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
  ------------------
  |  Branch (1489:21): [True: 819, False: 899k]
  ------------------
 1490|   900k|                         .visit(v, args...))
 1491|    819|                    return false;
 1492|   899k|                s = relaxed_->d.sizes[i];
 1493|   899k|            }
 1494|   123k|        } else {
 1495|  18.2k|            auto ss = shift_ - B;
 1496|   140k|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1496:39): [True: 122k, False: 17.7k]
  ------------------
 1497|   122k|                if (!visit_maybe_relaxed_sub(
  ------------------
  |  Branch (1497:21): [True: 539, False: 121k]
  ------------------
 1498|   122k|                        p[i], ss, relaxed_->d.sizes[i] - s, v, args...))
 1499|    539|                    return false;
 1500|   121k|                s = relaxed_->d.sizes[i];
 1501|   121k|            }
 1502|  18.2k|        }
 1503|   140k|        return true;
 1504|   141k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_11relaxed_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1036|  3.02k|    {
 1037|  3.02k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.02k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE15first_sub_innerINS1_14equals_visitor3rrbEJRNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERPSC_RjRmEEEDcT_DpOT0_:
 1783|  1.13k|    {
 1784|  1.13k|        assert(shift_ > BL);
  ------------------
  |  Branch (1784:9): [True: 1.13k, False: 0]
  ------------------
 1785|  1.13k|        auto child      = node_->inner()[0];
 1786|  1.13k|        auto child_size = relaxed_->d.sizes[0];
 1787|  1.13k|        return visit_maybe_relaxed_sub(
 1788|  1.13k|            child, shift_ - B, child_size, v, args...);
 1789|  1.13k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitor3rrbEJRNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERPSC_RjRmEEEDcPT_jmT0_DpOT1_:
 1838|  1.13k|{
 1839|  1.13k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.13k, False: 0]
  ------------------
 1840|  1.13k|    auto relaxed = node->relaxed();
 1841|  1.13k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.13k, False: 0]
  ------------------
 1842|  1.13k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.13k, False: 0]
  ------------------
 1843|  1.13k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.13k|            .visit(v, std::forward<Args>(args)...);
 1845|  1.13k|    } else {
 1846|      0|        return make_regular_sub_pos(node, shift, size)
 1847|      0|            .visit(v, std::forward<Args>(args)...);
 1848|      0|    }
 1849|  1.13k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor3rrbEJRNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERPSC_RjRmEEEDcT_DpOT0_:
 1813|  1.13k|    {
 1814|  1.13k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.13k|    }
_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcPT_jmT0_DpOT1_:
 1838|  8.67k|{
 1839|  8.67k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 8.67k, False: 0]
  ------------------
 1840|  8.67k|    auto relaxed = node->relaxed();
 1841|  8.67k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.72k, False: 5.95k]
  ------------------
 1842|  2.72k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.72k, False: 0]
  ------------------
 1843|  2.72k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.72k|            .visit(v, std::forward<Args>(args)...);
 1845|  5.95k|    } else {
 1846|  5.95k|        return make_regular_sub_pos(node, shift, size)
 1847|  5.95k|            .visit(v, std::forward<Args>(args)...);
 1848|  5.95k|    }
 1849|  8.67k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRNS1_15regular_sub_posISC_EERNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1813|  2.72k|    {
 1814|  2.72k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.72k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRSD_RNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEEmEEEDcT_DpOT0_:
 1036|  5.95k|    {
 1037|  5.95k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  5.95k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitor3rrbEJNS1_16rrbtree_iteratorIiSB_Lj3ELj3EEERKPSC_RKjRmEEEDcT_DpOT0_:
 1036|  8.67k|    {
 1037|  8.67k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  8.67k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRKPSC_EEEDcT_DpOT0_:
  144|  6.52k|    {
  145|  6.52k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  6.52k|    }

_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2Ev:
  114|  1.33M|        : size{0}
  115|  1.33M|        , shift{BL}
  116|  1.33M|        , root{empty_root()}
  117|  1.33M|        , tail{empty_tail()}
  118|  1.33M|    {
  119|       |        assert(check_tree());
  ------------------
  |  Branch (119:9): [True: 1.33M, False: 0]
  ------------------
  120|  1.33M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10empty_rootEv:
   61|  1.35M|    {
   62|  1.35M|        static const auto empty_ = [] {
   63|  1.35M|            constexpr auto size = node_t::sizeof_inner_n(0);
   64|  1.35M|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   65|  1.35M|                storage;
   66|  1.35M|            return node_t::make_inner_n_into(&storage, size, 0u);
   67|  1.35M|        }();
   68|  1.35M|        return empty_->inc();
   69|  1.35M|    }
_ZZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10empty_rootEvENKUlvE_clEv:
   62|      1|        static const auto empty_ = [] {
   63|      1|            constexpr auto size = node_t::sizeof_inner_n(0);
   64|      1|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   65|      1|                storage;
   66|      1|            return node_t::make_inner_n_into(&storage, size, 0u);
   67|      1|        }();
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10empty_tailEv:
   72|  1.33M|    {
   73|  1.33M|        static const auto empty_ = [] {
   74|  1.33M|            constexpr auto size = node_t::sizeof_leaf_n(0);
   75|  1.33M|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   76|  1.33M|                storage;
   77|  1.33M|            return node_t::make_leaf_n_into(&storage, size, 0u);
   78|  1.33M|        }();
   79|  1.33M|        return empty_->inc();
   80|  1.33M|    }
_ZZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10empty_tailEvENKUlvE_clEv:
   73|      1|        static const auto empty_ = [] {
   74|      1|            constexpr auto size = node_t::sizeof_leaf_n(0);
   75|      1|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   76|      1|                storage;
   77|      1|            return node_t::make_leaf_n_into(&storage, size, 0u);
   78|      1|        }();
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10check_treeEv:
 1372|  3.26M|    {
 1373|  3.26M|        IMMER_INVALID_STATE_ASSERT(shift <= sizeof(size_t) * 8 - BL);
  ------------------
  |  |   32|  3.26M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.26M]
  |  |  ------------------
  |  |   33|  3.26M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1374|  3.26M|        IMMER_INVALID_STATE_ASSERT(shift >= BL);
  ------------------
  |  |   32|  3.26M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.26M]
  |  |  ------------------
  |  |   33|  3.26M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1375|  3.26M|        IMMER_INVALID_STATE_ASSERT(tail_offset() <= size);
  ------------------
  |  |   32|  3.26M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.26M]
  |  |  ------------------
  |  |   33|  3.26M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1376|  3.26M|        IMMER_INVALID_STATE_ASSERT(tail_size() <= branches<BL>);
  ------------------
  |  |   32|  3.26M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.26M]
  |  |  ------------------
  |  |   33|  3.26M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1377|       |#if IMMER_DEBUG_DEEP_CHECK
 1378|       |        IMMER_INVALID_STATE_ASSERT(check_root());
 1379|       |        IMMER_INVALID_STATE_ASSERT(check_tail());
 1380|       |#endif
 1381|  3.26M|        return true;
 1382|  3.26M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11tail_offsetEv:
  197|  17.6M|    {
  198|  17.6M|        auto r = root->relaxed();
  199|  17.6M|        assert(r == nullptr || r->d.count);
  ------------------
  |  Branch (199:9): [True: 7.38M, False: 10.2M]
  |  Branch (199:9): [True: 10.2M, False: 0]
  |  Branch (199:9): [True: 17.6M, False: 0]
  ------------------
  200|  17.6M|        return r      ? r->d.sizes[r->d.count - 1]
  ------------------
  |  Branch (200:16): [True: 10.2M, False: 7.38M]
  ------------------
  201|  17.6M|               : size ? (size - 1) & ~mask<BL>
  ------------------
  |  Branch (201:18): [True: 3.34M, False: 4.03M]
  ------------------
  202|       |                      /* otherwise */
  203|  7.38M|                      : 0;
  204|  17.6M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9tail_sizeEv:
  194|  3.65M|    auto tail_size() const { return size - tail_offset(); }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EED2Ev:
  184|  3.26M|    ~rrbtree() { dec(); }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE3decEv:
  192|  3.26M|    void dec() const { traverse(dec_visitor()); }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8traverseINS1_11dec_visitorEJEEEvT_DpOT0_:
  208|  3.26M|    {
  209|  3.26M|        auto tail_off  = tail_offset();
  210|  3.26M|        auto tail_size = size - tail_off;
  211|       |
  212|  3.26M|        if (tail_off)
  ------------------
  |  Branch (212:13): [True: 1.78M, False: 1.47M]
  ------------------
  213|  1.78M|            visit_maybe_relaxed_sub(root, shift, tail_off, v, args...);
  214|  1.47M|        else
  215|  1.47M|            make_empty_regular_pos(root).visit(v, args...);
  216|       |
  217|  3.26M|        if (tail_size)
  ------------------
  |  Branch (217:13): [True: 1.92M, False: 1.33M]
  ------------------
  218|  1.92M|            make_leaf_sub_pos(tail, tail_size).visit(v, args...);
  219|  1.33M|        else
  220|  1.33M|            make_empty_leaf_pos(tail).visit(v, args...);
  221|  3.26M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_backEi:
  500|   347k|    {
  501|   347k|        auto ts = tail_size();
  502|   347k|        if (ts < branches<BL>) {
  ------------------
  |  Branch (502:13): [True: 295k, False: 52.2k]
  ------------------
  503|   295k|            auto new_tail =
  504|   295k|                node_t::copy_leaf_emplace(tail, ts, std::move(value));
  505|   295k|            return {size + 1, shift, root->inc(), new_tail};
  506|   295k|        } else {
  507|  52.2k|            using std::get;
  508|  52.2k|            auto new_tail = node_t::make_leaf_n(1u, std::move(value));
  509|  52.2k|            auto tail_off = tail_offset();
  510|  52.2k|            IMMER_TRY {
  ------------------
  |  |   49|  52.2k|#define IMMER_TRY try
  ------------------
  511|  52.2k|                auto new_root =
  512|  52.2k|                    push_tail(root, shift, tail_off, tail, size - tail_off);
  513|  52.2k|                tail->inc();
  514|  52.2k|                return {size + 1, get<0>(new_root), get<1>(new_root), new_tail};
  515|  52.2k|            }
  516|  52.2k|            IMMER_CATCH (...) {
  517|      0|                node_t::delete_leaf(new_tail, 1u);
  518|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  519|      0|            }
  520|  52.2k|        }
  521|   347k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2EmjPNS1_4nodeIiSA_Lj3ELj3EEESE_:
  127|  1.92M|        : size{sz}
  128|  1.92M|        , shift{sh}
  129|  1.92M|        , root{r}
  130|  1.92M|        , tail{t}
  131|  1.92M|    {
  132|  1.92M|#if IMMER_THROW_ON_INVALID_STATE
  133|       |        // assert only happens in the Debug build, but when
  134|       |        // IMMER_THROW_ON_INVALID_STATE is activated, we want to just check_tree
  135|       |        // even in Release.
  136|  1.92M|        try {
  137|  1.92M|            check_tree();
  138|  1.92M|        } catch (...) {
  139|       |            // This not fully constructed rrbtree owns the nodes already, have
  140|       |            // to dec them.
  141|      0|            if (r && t)
  ------------------
  |  Branch (141:17): [True: 0, False: 0]
  |  Branch (141:22): [True: 0, False: 0]
  ------------------
  142|      0|                dec();
  143|      0|            throw;
  144|      0|        }
  145|       |#else
  146|       |        assert(check_tree());
  147|       |#endif
  148|  1.92M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_tailEPNS1_4nodeIiSA_Lj3ELj3EEEjmSE_j:
  369|   368k|    {
  370|   368k|        if (auto r = root->relaxed()) {
  ------------------
  |  Branch (370:18): [True: 54.3k, False: 313k]
  ------------------
  371|  54.3k|            auto new_root =
  372|  54.3k|                make_relaxed_pos(root, shift, r)
  373|  54.3k|                    .visit(push_tail_visitor<node_t>{}, tail, tail_size);
  374|  54.3k|            if (new_root)
  ------------------
  |  Branch (374:17): [True: 52.3k, False: 1.93k]
  ------------------
  375|  52.3k|                return std::make_tuple(shift, new_root);
  376|  1.93k|            else {
  377|  1.93k|                auto new_root = node_t::make_inner_r_n(2);
  378|  1.93k|                IMMER_TRY {
  ------------------
  |  |   49|  1.93k|#define IMMER_TRY try
  ------------------
  379|  1.93k|                    auto new_path        = node_t::make_path(shift, tail);
  380|  1.93k|                    new_root->inner()[0] = root->inc();
  381|  1.93k|                    new_root->inner()[1] = new_path;
  382|  1.93k|                    new_root->relaxed()->d.sizes[0] = size;
  383|  1.93k|                    new_root->relaxed()->d.sizes[1] = size + tail_size;
  384|  1.93k|                    assert(size);
  ------------------
  |  Branch (384:21): [True: 1.93k, False: 0]
  ------------------
  385|  1.93k|                    assert(tail_size);
  ------------------
  |  Branch (385:21): [True: 1.93k, False: 0]
  ------------------
  386|  1.93k|                    new_root->relaxed()->d.count = 2u;
  387|  1.93k|                }
  388|  1.93k|                IMMER_CATCH (...) {
  389|      0|                    node_t::delete_inner_r(new_root, 2);
  390|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  391|      0|                }
  392|  1.93k|                return std::make_tuple(shift + B, new_root);
  393|  1.93k|            }
  394|   313k|        } else if (size == size_t{branches<B>} << shift) {
  ------------------
  |  Branch (394:20): [True: 3.91k, False: 310k]
  ------------------
  395|  3.91k|            auto new_root = node_t::make_inner_n(2);
  396|  3.91k|            IMMER_TRY {
  ------------------
  |  |   49|  3.91k|#define IMMER_TRY try
  ------------------
  397|  3.91k|                auto new_path        = node_t::make_path(shift, tail);
  398|  3.91k|                new_root->inner()[0] = root->inc();
  399|  3.91k|                new_root->inner()[1] = new_path;
  400|  3.91k|            }
  401|  3.91k|            IMMER_CATCH (...) {
  402|      0|                node_t::delete_inner(new_root, 2);
  403|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  404|      0|            }
  405|  3.91k|            return std::make_tuple(shift + B, new_root);
  406|   310k|        } else if (size) {
  ------------------
  |  Branch (406:20): [True: 297k, False: 12.5k]
  ------------------
  407|   297k|            auto new_root = make_regular_sub_pos(root, shift, size)
  408|   297k|                                .visit(push_tail_visitor<node_t>{}, tail);
  409|   297k|            return std::make_tuple(shift, new_root);
  410|   297k|        } else {
  411|  12.5k|            return std::make_tuple(shift, node_t::make_path(shift, tail));
  412|  12.5k|        }
  413|   368k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2EOSB_:
  157|  1.24M|        : rrbtree{}
  158|  1.24M|    {
  159|  1.24M|        swap(*this, other);
  160|  1.24M|    }
_ZN5immer6detail4rbts4swapERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEESC_:
  176|  4.35M|    {
  177|  4.35M|        using std::swap;
  178|  4.35M|        swap(x.size, y.size);
  179|  4.35M|        swap(x.shift, y.shift);
  180|  4.35M|        swap(x.root, y.root);
  181|  4.35M|        swap(x.tail, y.tail);
  182|  4.35M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEaSEOSB_:
  170|  3.10M|    {
  171|  3.10M|        swap(*this, other);
  172|  3.10M|        return *this;
  173|  3.10M|    }
flex-vector-bo.cpp:_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6updateIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSG_E_EESB_mOSG_:
  580|   171k|    {
  581|   171k|        auto tail_off = tail_offset();
  582|   171k|        if (idx >= tail_off) {
  ------------------
  |  Branch (582:13): [True: 58.5k, False: 113k]
  ------------------
  583|  58.5k|            auto tail_size = size - tail_off;
  584|  58.5k|            auto new_tail =
  585|  58.5k|                make_leaf_sub_pos(tail, tail_size)
  586|  58.5k|                    .visit(update_visitor<node_t>{}, idx - tail_off, fn);
  587|  58.5k|            return {size, shift, root->inc(), new_tail};
  588|   113k|        } else {
  589|   113k|            auto new_root = visit_maybe_relaxed_sub(
  590|   113k|                root, shift, tail_off, update_visitor<node_t>{}, idx, fn);
  591|   113k|            return {size, shift, new_root, tail->inc()};
  592|   113k|        }
  593|   171k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4takeEm:
  647|  23.5k|    {
  648|  23.5k|        auto tail_off = tail_offset();
  649|  23.5k|        if (new_size == 0) {
  ------------------
  |  Branch (649:13): [True: 3.94k, False: 19.5k]
  ------------------
  650|  3.94k|            return {};
  651|  19.5k|        } else if (new_size >= size) {
  ------------------
  |  Branch (651:20): [True: 1.14k, False: 18.4k]
  ------------------
  652|  1.14k|            return *this;
  653|  18.4k|        } else if (new_size > tail_off) {
  ------------------
  |  Branch (653:20): [True: 1.66k, False: 16.7k]
  ------------------
  654|  1.66k|            auto new_tail = node_t::copy_leaf(tail, new_size - tail_off);
  655|  1.66k|            return {new_size, shift, root->inc(), new_tail};
  656|  16.7k|        } else {
  657|  16.7k|            using std::get;
  658|  16.7k|            auto l = new_size - 1;
  659|  16.7k|            auto v = slice_right_visitor<node_t>();
  660|  16.7k|            auto r = visit_maybe_relaxed_sub(root, shift, tail_off, v, l);
  661|  16.7k|            auto new_shift = get<0>(r);
  662|  16.7k|            auto new_root  = get<1>(r);
  663|  16.7k|            auto new_tail  = get<3>(r);
  664|  16.7k|            if (new_root) {
  ------------------
  |  Branch (664:17): [True: 12.6k, False: 4.09k]
  ------------------
  665|  12.6k|                IMMER_ASSERT_TAGGED(new_root->compute_shift() == get<0>(r));
  ------------------
  |  |   68|  12.6k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (665:17): [True: 12.6k, False: 0]
  ------------------
  666|  12.6k|                assert(new_root->check(new_shift, new_size - get<2>(r)));
  ------------------
  |  Branch (666:17): [True: 12.6k, False: 0]
  ------------------
  667|  12.6k|                return {new_size, new_shift, new_root, new_tail};
  668|  12.6k|            } else {
  669|  4.09k|                return {new_size, BL, empty_root(), new_tail};
  670|  4.09k|            }
  671|  16.7k|        }
  672|  23.5k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2ERKSB_:
  151|  9.83k|        : rrbtree{other.size, other.shift, other.root, other.tail}
  152|  9.83k|    {
  153|  9.83k|        inc();
  154|  9.83k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE3incEv:
  187|  9.83k|    {
  188|  9.83k|        root->inc();
  189|  9.83k|        tail->inc();
  190|  9.83k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4dropEm:
  711|  38.5k|    {
  712|  38.5k|        if (elems == 0) {
  ------------------
  |  Branch (712:13): [True: 2.42k, False: 36.1k]
  ------------------
  713|  2.42k|            return *this;
  714|  36.1k|        } else if (elems >= size) {
  ------------------
  |  Branch (714:20): [True: 1.85k, False: 34.2k]
  ------------------
  715|  1.85k|            return {};
  716|  34.2k|        } else if (elems == tail_offset()) {
  ------------------
  |  Branch (716:20): [True: 1.83k, False: 32.4k]
  ------------------
  717|  1.83k|            return {size - elems, BL, empty_root(), tail->inc()};
  718|  32.4k|        } else if (elems > tail_offset()) {
  ------------------
  |  Branch (718:20): [True: 1.81k, False: 30.6k]
  ------------------
  719|  1.81k|            auto tail_off = tail_offset();
  720|  1.81k|            auto new_tail =
  721|  1.81k|                node_t::copy_leaf(tail, elems - tail_off, size - tail_off);
  722|  1.81k|            return {size - elems, BL, empty_root(), new_tail};
  723|  30.6k|        } else {
  724|  30.6k|            using std::get;
  725|  30.6k|            auto v = slice_left_visitor<node_t>();
  726|  30.6k|            auto r =
  727|  30.6k|                visit_maybe_relaxed_sub(root, shift, tail_offset(), v, elems);
  728|  30.6k|            auto new_root  = get<1>(r);
  729|  30.6k|            auto new_shift = get<0>(r);
  730|  30.6k|            return {size - elems, new_shift, new_root, tail->inc()};
  731|  30.6k|        }
  732|  38.5k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8max_sizeEv:
   54|  2.33M|    {
   55|  2.33M|        auto S = sizeof(size_t) * 8;
   56|  2.33M|        return ((size_t{1} << BL) - std::min(size_t{BL}, size_t{2})) *
   57|  2.33M|               ipow((size_t{1} << B) - 2, (S - BL) / B);
   58|  2.33M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6concatERKSB_:
  735|   638k|    {
  736|   638k|        assert(r.size + size <= max_size());
  ------------------
  |  Branch (736:9): [True: 638k, False: 0]
  ------------------
  737|   638k|        using std::get;
  738|   638k|        if (size == 0)
  ------------------
  |  Branch (738:13): [True: 1.63k, False: 637k]
  ------------------
  739|  1.63k|            return r;
  740|   637k|        else if (r.size == 0)
  ------------------
  |  Branch (740:18): [True: 2.04k, False: 635k]
  ------------------
  741|  2.04k|            return *this;
  742|   635k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (742:18): [True: 333k, False: 301k]
  ------------------
  743|       |            // just concat the tail, similar to push_back
  744|   333k|            auto tail_offst = tail_offset();
  745|   333k|            auto tail_size  = size - tail_offst;
  746|   333k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (746:17): [True: 66.1k, False: 267k]
  ------------------
  747|  66.1k|                auto new_root =
  748|  66.1k|                    push_tail(root, shift, tail_offst, tail, tail_size);
  749|  66.1k|                tail->inc();
  750|  66.1k|                return {size + r.size,
  751|  66.1k|                        get<0>(new_root),
  752|  66.1k|                        get<1>(new_root),
  753|  66.1k|                        r.tail->inc()};
  754|   267k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (754:24): [True: 18.7k, False: 248k]
  ------------------
  755|  18.7k|                auto new_tail =
  756|  18.7k|                    node_t::copy_leaf(tail, tail_size, r.tail, r.size);
  757|  18.7k|                return {size + r.size, shift, root->inc(), new_tail};
  758|   248k|            } else {
  759|   248k|                auto remaining = branches<BL> - tail_size;
  760|   248k|                auto add_tail =
  761|   248k|                    node_t::copy_leaf(tail, tail_size, r.tail, remaining);
  762|   248k|                IMMER_TRY {
  ------------------
  |  |   49|   248k|#define IMMER_TRY try
  ------------------
  763|   248k|                    auto new_tail =
  764|   248k|                        node_t::copy_leaf(r.tail, remaining, r.size);
  765|   248k|                    IMMER_TRY {
  ------------------
  |  |   49|   248k|#define IMMER_TRY try
  ------------------
  766|   248k|                        auto new_root = push_tail(
  767|   248k|                            root, shift, tail_offst, add_tail, branches<BL>);
  768|   248k|                        return {size + r.size,
  769|   248k|                                get<0>(new_root),
  770|   248k|                                get<1>(new_root),
  771|   248k|                                new_tail};
  772|   248k|                    }
  773|   248k|                    IMMER_CATCH (...) {
  774|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
  775|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  776|      0|                    }
  777|   248k|                }
  778|   248k|                IMMER_CATCH (...) {
  779|      0|                    node_t::delete_leaf(add_tail, branches<BL>);
  780|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  781|      0|                }
  782|   248k|            }
  783|   333k|        } else if (tail_offset() == 0) {
  ------------------
  |  Branch (783:20): [True: 2.88k, False: 298k]
  ------------------
  784|  2.88k|            auto tail_offst = tail_offset();
  785|  2.88k|            auto tail_size  = size - tail_offst;
  786|  2.88k|            auto concated =
  787|  2.88k|                concat_trees(tail, tail_size, r.root, r.shift, r.tail_offset());
  788|  2.88k|            auto new_shift = concated.shift();
  789|  2.88k|            auto new_root  = concated.node();
  790|  2.88k|            IMMER_ASSERT_TAGGED(new_shift == new_root->compute_shift());
  ------------------
  |  |   68|  2.88k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (790:13): [True: 2.88k, False: 0]
  ------------------
  791|  2.88k|            assert(new_root->check(new_shift, size + r.tail_offset()));
  ------------------
  |  Branch (791:13): [True: 2.88k, False: 0]
  ------------------
  792|  2.88k|            return {size + r.size, new_shift, new_root, r.tail->inc()};
  793|   298k|        } else {
  794|   298k|            auto tail_offst = tail_offset();
  795|   298k|            auto tail_size  = size - tail_offst;
  796|   298k|            auto concated   = concat_trees(root,
  797|   298k|                                         shift,
  798|   298k|                                         tail_offst,
  799|   298k|                                         tail,
  800|   298k|                                         tail_size,
  801|   298k|                                         r.root,
  802|   298k|                                         r.shift,
  803|   298k|                                         r.tail_offset());
  804|   298k|            auto new_shift  = concated.shift();
  805|   298k|            auto new_root   = concated.node();
  806|   298k|            IMMER_ASSERT_TAGGED(new_shift == new_root->compute_shift());
  ------------------
  |  |   68|   298k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (806:13): [True: 298k, False: 0]
  ------------------
  807|   298k|            assert(new_root->check(new_shift, size + r.tail_offset()));
  ------------------
  |  Branch (807:13): [True: 298k, False: 0]
  ------------------
  808|   298k|            return {size + r.size, new_shift, new_root, r.tail->inc()};
  809|   298k|        }
  810|   638k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13push_back_mutENS9_5applyIS6_E4type4editEi:
  478|  39.8k|    {
  479|  39.8k|        auto ts = tail_size();
  480|  39.8k|        if (ts < branches<BL>) {
  ------------------
  |  Branch (480:13): [True: 29.9k, False: 9.92k]
  ------------------
  481|  29.9k|            ensure_mutable_tail(e, ts);
  482|  29.9k|            new (&tail->leaf()[ts]) T(std::move(value));
  483|  29.9k|        } else {
  484|  9.92k|            using std::get;
  485|  9.92k|            auto new_tail = node_t::make_leaf_e(e, std::move(value));
  486|  9.92k|            auto tail_off = tail_offset();
  487|  9.92k|            IMMER_TRY {
  ------------------
  |  |   49|  9.92k|#define IMMER_TRY try
  ------------------
  488|  9.92k|                push_tail_mut(e, tail_off, tail, ts);
  489|  9.92k|                tail = new_tail;
  490|  9.92k|            }
  491|  9.92k|            IMMER_CATCH (...) {
  492|      0|                node_t::delete_leaf(new_tail, 1u);
  493|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  494|      0|            }
  495|  9.92k|        }
  496|  39.8k|        ++size;
  497|  39.8k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE19ensure_mutable_tailENS9_5applyIS6_E4type4editEj:
  469|   335k|    {
  470|   335k|        if (!tail->can_mutate(e)) {
  ------------------
  |  Branch (470:13): [True: 8.81k, False: 326k]
  ------------------
  471|  8.81k|            auto new_tail = node_t::copy_leaf_e(e, tail, n);
  472|  8.81k|            dec_leaf(tail, n);
  473|  8.81k|            tail = new_tail;
  474|  8.81k|        }
  475|   335k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13push_tail_mutENS9_5applyIS6_E4type4editEmPNS1_4nodeIiSA_Lj3ELj3EEEj:
  417|   345k|    {
  418|   345k|        if (auto r = root->relaxed()) {
  ------------------
  |  Branch (418:18): [True: 160k, False: 185k]
  ------------------
  419|   160k|            auto new_root =
  420|   160k|                make_relaxed_pos(root, shift, r)
  421|   160k|                    .visit(push_tail_mut_visitor<node_t>{}, e, tail, tail_size);
  422|   160k|            if (new_root) {
  ------------------
  |  Branch (422:17): [True: 159k, False: 728]
  ------------------
  423|   159k|                root = new_root;
  424|   159k|            } else {
  425|    728|                auto new_root = node_t::make_inner_r_e(e);
  426|    728|                IMMER_TRY {
  ------------------
  |  |   49|    728|#define IMMER_TRY try
  ------------------
  427|    728|                    auto new_path        = node_t::make_path_e(e, shift, tail);
  428|    728|                    new_root->inner()[0] = root;
  429|    728|                    new_root->inner()[1] = new_path;
  430|    728|                    new_root->relaxed()->d.sizes[0] = tail_off;
  431|    728|                    new_root->relaxed()->d.sizes[1] = tail_off + tail_size;
  432|    728|                    assert(tail_off);
  ------------------
  |  Branch (432:21): [True: 728, False: 0]
  ------------------
  433|    728|                    assert(tail_size);
  ------------------
  |  Branch (433:21): [True: 728, False: 0]
  ------------------
  434|    728|                    new_root->relaxed()->d.count = 2u;
  435|    728|                    root                         = new_root;
  436|    728|                    shift += B;
  437|    728|                }
  438|    728|                IMMER_CATCH (...) {
  439|      0|                    node_t::delete_inner_r_e(new_root);
  440|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  441|      0|                }
  442|    728|            }
  443|   185k|        } else if (tail_off == size_t{branches<B>} << shift) {
  ------------------
  |  Branch (443:20): [True: 1.95k, False: 183k]
  ------------------
  444|  1.95k|            auto new_root = node_t::make_inner_e(e);
  445|  1.95k|            IMMER_TRY {
  ------------------
  |  |   49|  1.95k|#define IMMER_TRY try
  ------------------
  446|  1.95k|                auto new_path        = node_t::make_path_e(e, shift, tail);
  447|  1.95k|                new_root->inner()[0] = root;
  448|  1.95k|                new_root->inner()[1] = new_path;
  449|  1.95k|                root                 = new_root;
  450|  1.95k|                shift += B;
  451|  1.95k|            }
  452|  1.95k|            IMMER_CATCH (...) {
  453|      0|                node_t::delete_inner_e(new_root);
  454|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  455|      0|            }
  456|   183k|        } else if (tail_off) {
  ------------------
  |  Branch (456:20): [True: 181k, False: 2.08k]
  ------------------
  457|   181k|            auto new_root =
  458|   181k|                make_regular_sub_pos(root, shift, tail_off)
  459|   181k|                    .visit(push_tail_mut_visitor<node_t>{}, e, tail);
  460|   181k|            root = new_root;
  461|   181k|        } else {
  462|  2.08k|            auto new_root = node_t::make_path_e(e, shift, tail);
  463|  2.08k|            dec_empty_regular(root);
  464|  2.08k|            root = new_root;
  465|  2.08k|        }
  466|   345k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10update_mutIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSG_E0_EEvNS9_5applyIS6_E4type4editEmOSG_:
  573|  32.2k|    {
  574|  32.2k|        auto& elem = get_mut(e, idx);
  575|  32.2k|        elem       = std::forward<FnT>(fn)(std::move(elem));
  576|  32.2k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7get_mutENS9_5applyIS6_E4type4editEm:
  539|  32.2k|    {
  540|  32.2k|        auto tail_off = tail_offset();
  541|  32.2k|        if (idx >= tail_off) {
  ------------------
  |  Branch (541:13): [True: 7.87k, False: 24.3k]
  ------------------
  542|  7.87k|            ensure_mutable_tail(e, size - tail_off);
  543|  7.87k|            return tail->leaf()[(idx - tail_off) & mask<BL>];
  544|  24.3k|        } else {
  545|  24.3k|            return visit_maybe_relaxed_sub(root,
  546|  24.3k|                                           shift,
  547|  24.3k|                                           tail_off,
  548|  24.3k|                                           get_mut_visitor<node_t>{},
  549|  24.3k|                                           idx,
  550|  24.3k|                                           e,
  551|  24.3k|                                           &root);
  552|  24.3k|        }
  553|  32.2k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8take_mutENS9_5applyIS6_E4type4editEm:
  606|  31.4k|    {
  607|  31.4k|        auto tail_off = tail_offset();
  608|  31.4k|        if (new_size == 0) {
  ------------------
  |  Branch (608:13): [True: 719, False: 30.6k]
  ------------------
  609|    719|            *this = {};
  610|  30.6k|        } else if (new_size >= size) {
  ------------------
  |  Branch (610:20): [True: 448, False: 30.2k]
  ------------------
  611|    448|            return;
  612|  30.2k|        } else if (new_size > tail_off) {
  ------------------
  |  Branch (612:20): [True: 587, False: 29.6k]
  ------------------
  613|    587|            auto ts    = size - tail_off;
  614|    587|            auto newts = new_size - tail_off;
  615|    587|            if (tail->can_mutate(e)) {
  ------------------
  |  Branch (615:17): [True: 342, False: 245]
  ------------------
  616|    342|                detail::destroy_n(tail->leaf() + newts, ts - newts);
  617|    342|            } else {
  618|    245|                auto new_tail = node_t::copy_leaf_e(e, tail, newts);
  619|    245|                dec_leaf(tail, ts);
  620|    245|                tail = new_tail;
  621|    245|            }
  622|    587|            size = new_size;
  623|    587|            return;
  624|  29.6k|        } else {
  625|  29.6k|            using std::get;
  626|  29.6k|            auto l = new_size - 1;
  627|  29.6k|            auto v = slice_right_mut_visitor<node_t>();
  628|  29.6k|            auto r = visit_maybe_relaxed_sub(root, shift, tail_off, v, l, e);
  629|  29.6k|            auto new_shift = get<0>(r);
  630|  29.6k|            auto new_root  = get<1>(r);
  631|  29.6k|            auto new_tail  = get<3>(r);
  632|  29.6k|            if (new_root) {
  ------------------
  |  Branch (632:17): [True: 23.3k, False: 6.31k]
  ------------------
  633|  23.3k|                root  = new_root;
  634|  23.3k|                shift = new_shift;
  635|  23.3k|            } else {
  636|  6.31k|                root  = empty_root();
  637|  6.31k|                shift = BL;
  638|  6.31k|            }
  639|  29.6k|            dec_leaf(tail, size - tail_off);
  640|  29.6k|            size = new_size;
  641|  29.6k|            tail = new_tail;
  642|  29.6k|            return;
  643|  29.6k|        }
  644|  31.4k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8drop_mutENS9_5applyIS6_E4type4editEm:
  675|  67.6k|    {
  676|  67.6k|        using std::get;
  677|  67.6k|        auto tail_off = tail_offset();
  678|  67.6k|        if (elems == 0) {
  ------------------
  |  Branch (678:13): [True: 7.15k, False: 60.4k]
  ------------------
  679|  7.15k|            return;
  680|  60.4k|        } else if (elems >= size) {
  ------------------
  |  Branch (680:20): [True: 286, False: 60.1k]
  ------------------
  681|    286|            *this = {};
  682|  60.1k|        } else if (elems == tail_off) {
  ------------------
  |  Branch (682:20): [True: 204, False: 59.9k]
  ------------------
  683|    204|            dec_inner(root, shift, tail_off);
  684|    204|            shift = BL;
  685|    204|            root  = empty_root();
  686|    204|            size -= elems;
  687|    204|            return;
  688|  59.9k|        } else if (elems > tail_off) {
  ------------------
  |  Branch (688:20): [True: 947, False: 59.0k]
  ------------------
  689|    947|            auto v = slice_left_mut_visitor<node_t>();
  690|    947|            tail   = get<1>(make_leaf_sub_pos(tail, size - tail_off)
  691|    947|                              .visit(v, elems - tail_off, e));
  692|    947|            if (tail_off) {
  ------------------
  |  Branch (692:17): [True: 222, False: 725]
  ------------------
  693|    222|                dec_inner(root, shift, tail_off);
  694|    222|                shift = BL;
  695|    222|                root  = empty_root();
  696|    222|            }
  697|    947|            size -= elems;
  698|    947|            return;
  699|  59.0k|        } else {
  700|  59.0k|            auto v = slice_left_mut_visitor<node_t>();
  701|  59.0k|            auto r =
  702|  59.0k|                visit_maybe_relaxed_sub(root, shift, tail_off, v, elems, e);
  703|  59.0k|            shift = get<0>(r);
  704|  59.0k|            root  = get<1>(r);
  705|  59.0k|            size -= elems;
  706|  59.0k|            return;
  707|  59.0k|        }
  708|  67.6k|    }
_ZN5immer6detail4rbts12concat_mut_lERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS9_5applyIS6_E4type4editERKSB_:
  816|   181k|    {
  817|   181k|        assert(&l != &r);
  ------------------
  |  Branch (817:9): [True: 181k, False: 0]
  ------------------
  818|   181k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (818:9): [True: 181k, False: 0]
  ------------------
  819|   181k|        using std::get;
  820|   181k|        if (l.size == 0)
  ------------------
  |  Branch (820:13): [True: 442, False: 181k]
  ------------------
  821|    442|            l = r;
  822|   181k|        else if (r.size == 0)
  ------------------
  |  Branch (822:18): [True: 493, False: 181k]
  ------------------
  823|    493|            return;
  824|   181k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (824:18): [True: 66.1k, False: 114k]
  ------------------
  825|       |            // just concat the tail, similar to push_back
  826|  66.1k|            auto tail_offst = l.tail_offset();
  827|  66.1k|            auto tail_size  = l.size - tail_offst;
  828|  66.1k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (828:17): [True: 9.17k, False: 56.9k]
  ------------------
  829|  9.17k|                l.push_tail_mut(el, tail_offst, l.tail, tail_size);
  830|  9.17k|                l.tail = r.tail->inc();
  831|  9.17k|                l.size += r.size;
  832|  9.17k|                return;
  833|  56.9k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (833:24): [True: 969, False: 55.9k]
  ------------------
  834|    969|                l.ensure_mutable_tail(el, tail_size);
  835|    969|                detail::uninitialized_copy(r.tail->leaf(),
  836|    969|                                           r.tail->leaf() + r.size,
  837|    969|                                           l.tail->leaf() + tail_size);
  838|    969|                l.size += r.size;
  839|    969|                return;
  840|  55.9k|            } else {
  841|  55.9k|                auto remaining = branches<BL> - tail_size;
  842|  55.9k|                l.ensure_mutable_tail(el, tail_size);
  843|  55.9k|                detail::uninitialized_copy(r.tail->leaf(),
  844|  55.9k|                                           r.tail->leaf() + remaining,
  845|  55.9k|                                           l.tail->leaf() + tail_size);
  846|  55.9k|                IMMER_TRY {
  ------------------
  |  |   49|  55.9k|#define IMMER_TRY try
  ------------------
  847|  55.9k|                    auto new_tail =
  848|  55.9k|                        node_t::copy_leaf_e(el, r.tail, remaining, r.size);
  849|  55.9k|                    IMMER_TRY {
  ------------------
  |  |   49|  55.9k|#define IMMER_TRY try
  ------------------
  850|  55.9k|                        l.push_tail_mut(el, tail_offst, l.tail, branches<BL>);
  851|  55.9k|                        l.tail = new_tail;
  852|  55.9k|                        l.size += r.size;
  853|  55.9k|                        return;
  854|  55.9k|                    }
  855|  55.9k|                    IMMER_CATCH (...) {
  856|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
  857|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  858|      0|                    }
  859|  55.9k|                }
  860|  55.9k|                IMMER_CATCH (...) {
  861|      0|                    detail::destroy_n(r.tail->leaf() + tail_size, remaining);
  862|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  863|      0|                }
  864|  55.9k|            }
  865|   114k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (865:20): [True: 440, False: 114k]
  ------------------
  866|    440|            if (supports_transient_concat) {
  ------------------
  |  Branch (866:17): [Folded, False: 440]
  ------------------
  867|      0|                auto tail_offst = l.tail_offset();
  868|      0|                auto tail_size  = l.size - tail_offst;
  869|      0|                auto concated =
  870|      0|                    concat_trees_mut(el,
  871|      0|                                     el,
  872|      0|                                     l.tail,
  873|      0|                                     tail_size,
  874|      0|                                     MemoryPolicy::transience_t::noone,
  875|      0|                                     r.root,
  876|      0|                                     r.shift,
  877|      0|                                     r.tail_offset());
  878|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (878:17): [True: 0, False: 0]
  ------------------
  879|      0|                                    concated.node()->compute_shift());
  880|      0|                l.size += r.size;
  881|      0|                l.shift = concated.shift();
  882|      0|                l.root  = concated.node();
  883|      0|                l.tail  = r.tail;
  884|      0|                assert(l.check_tree());
  ------------------
  |  Branch (884:17): [True: 0, False: 0]
  ------------------
  885|    440|            } else {
  886|    440|                auto tail_offst = l.tail_offset();
  887|    440|                auto tail_size  = l.size - tail_offst;
  888|    440|                auto concated   = concat_trees(
  889|    440|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
  890|    440|                l = {l.size + r.size,
  891|    440|                     concated.shift(),
  892|    440|                     concated.node(),
  893|    440|                     r.tail->inc()};
  894|    440|                assert(l.check_tree());
  ------------------
  |  Branch (894:17): [True: 440, False: 0]
  ------------------
  895|    440|                return;
  896|    440|            }
  897|   114k|        } else {
  898|   114k|            if (supports_transient_concat) {
  ------------------
  |  Branch (898:17): [Folded, False: 114k]
  ------------------
  899|      0|                auto tail_offst = l.tail_offset();
  900|      0|                auto tail_size  = l.size - tail_offst;
  901|      0|                assert(l.check_tree());
  ------------------
  |  Branch (901:17): [True: 0, False: 0]
  ------------------
  902|      0|                assert(r.check_tree());
  ------------------
  |  Branch (902:17): [True: 0, False: 0]
  ------------------
  903|      0|                auto concated =
  904|      0|                    concat_trees_mut(el,
  905|      0|                                     el,
  906|      0|                                     l.root,
  907|      0|                                     l.shift,
  908|      0|                                     tail_offst,
  909|      0|                                     l.tail,
  910|      0|                                     tail_size,
  911|      0|                                     MemoryPolicy::transience_t::noone,
  912|      0|                                     r.root,
  913|      0|                                     r.shift,
  914|      0|                                     r.tail_offset());
  915|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (915:17): [True: 0, False: 0]
  ------------------
  916|      0|                                    concated.node()->compute_shift());
  917|      0|                l.size += r.size;
  918|      0|                l.shift = concated.shift();
  919|      0|                l.root  = concated.node();
  920|      0|                l.tail  = r.tail;
  921|      0|                assert(l.check_tree());
  ------------------
  |  Branch (921:17): [True: 0, False: 0]
  ------------------
  922|   114k|            } else {
  923|   114k|                auto tail_offst = l.tail_offset();
  924|   114k|                auto tail_size  = l.size - tail_offst;
  925|   114k|                auto concated   = concat_trees(l.root,
  926|   114k|                                             l.shift,
  927|   114k|                                             tail_offst,
  928|   114k|                                             l.tail,
  929|   114k|                                             tail_size,
  930|   114k|                                             r.root,
  931|   114k|                                             r.shift,
  932|   114k|                                             r.tail_offset());
  933|   114k|                l               = {l.size + r.size,
  934|   114k|                                   concated.shift(),
  935|   114k|                                   concated.node(),
  936|   114k|                                   r.tail->inc()};
  937|   114k|            }
  938|   114k|        }
  939|   181k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEaSERKSB_:
  163|  2.57k|    {
  164|  2.57k|        auto next{other};
  165|  2.57k|        swap(*this, next);
  166|  2.57k|        return *this;
  167|  2.57k|    }
_ZN5immer6detail4rbts12concat_mut_rERKNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERSB_NS9_5applyIS6_E4type4editE:
  942|  3.65k|    {
  943|  3.65k|        assert(&l != &r);
  ------------------
  |  Branch (943:9): [True: 3.65k, False: 0]
  ------------------
  944|  3.65k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (944:9): [True: 3.65k, False: 0]
  ------------------
  945|  3.65k|        using std::get;
  946|  3.65k|        if (r.size == 0)
  ------------------
  |  Branch (946:13): [True: 232, False: 3.42k]
  ------------------
  947|    232|            r = std::move(l);
  948|  3.42k|        else if (l.size == 0)
  ------------------
  |  Branch (948:18): [True: 195, False: 3.22k]
  ------------------
  949|    195|            return;
  950|  3.22k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (950:18): [True: 1.22k, False: 2.00k]
  ------------------
  951|       |            // just concat the tail, similar to push_back
  952|  1.22k|            auto tail_offst = l.tail_offset();
  953|  1.22k|            auto tail_size  = l.size - tail_offst;
  954|  1.22k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (954:17): [True: 439, False: 789]
  ------------------
  955|       |                // this could be improved by making sure that the
  956|       |                // newly created nodes as part of the `push_tail()`
  957|       |                // are tagged with `er`
  958|    439|                auto res =
  959|    439|                    l.push_tail(l.root, l.shift, tail_offst, l.tail, tail_size);
  960|    439|                l.tail->inc(); // note: leak if mutably concatenated
  961|       |                               // with itself, but this is forbidden
  962|       |                               // by the interface
  963|    439|                r = {l.size + r.size, get<0>(res), get<1>(res), r.tail->inc()};
  964|    439|                return;
  965|    789|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (965:24): [True: 304, False: 485]
  ------------------
  966|       |                // doing this in a exception way mutating way is very
  967|       |                // tricky while potential performance gains are
  968|       |                // minimal (we need to move every element of the right
  969|       |                // tail anyways to make space for the left tail)
  970|       |                //
  971|       |                // we could however improve this by at least moving the
  972|       |                // elements of the right tail...
  973|    304|                auto new_tail =
  974|    304|                    node_t::copy_leaf(l.tail, tail_size, r.tail, r.size);
  975|    304|                r = {l.size + r.size, l.shift, l.root->inc(), new_tail};
  976|    304|                return;
  977|    485|            } else {
  978|       |                // like the immutable version
  979|    485|                auto remaining = branches<BL> - tail_size;
  980|    485|                auto add_tail  = node_t::copy_leaf_e(
  981|    485|                    er, l.tail, tail_size, r.tail, remaining);
  982|    485|                IMMER_TRY {
  ------------------
  |  |   49|    485|#define IMMER_TRY try
  ------------------
  983|    485|                    auto new_tail =
  984|    485|                        node_t::copy_leaf_e(er, r.tail, remaining, r.size);
  985|    485|                    IMMER_TRY {
  ------------------
  |  |   49|    485|#define IMMER_TRY try
  ------------------
  986|       |                        // this could be improved by making sure that the
  987|       |                        // newly created nodes as part of the `push_tail()`
  988|       |                        // are tagged with `er`
  989|    485|                        auto new_root = l.push_tail(l.root,
  990|    485|                                                    l.shift,
  991|    485|                                                    tail_offst,
  992|    485|                                                    add_tail,
  993|    485|                                                    branches<BL>);
  994|    485|                        r             = {l.size + r.size,
  995|    485|                                         get<0>(new_root),
  996|    485|                                         get<1>(new_root),
  997|    485|                                         new_tail};
  998|    485|                        return;
  999|    485|                    }
 1000|    485|                    IMMER_CATCH (...) {
 1001|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
 1002|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1003|      0|                    }
 1004|    485|                }
 1005|    485|                IMMER_CATCH (...) {
 1006|      0|                    node_t::delete_leaf(add_tail, branches<BL>);
 1007|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1008|      0|                }
 1009|    485|            }
 1010|  2.00k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (1010:20): [True: 607, False: 1.39k]
  ------------------
 1011|    607|            if (supports_transient_concat) {
  ------------------
  |  Branch (1011:17): [Folded, False: 607]
  ------------------
 1012|      0|                auto tail_offst = l.tail_offset();
 1013|      0|                auto tail_size  = l.size - tail_offst;
 1014|      0|                auto concated =
 1015|      0|                    concat_trees_mut(er,
 1016|      0|                                     MemoryPolicy::transience_t::noone,
 1017|      0|                                     l.tail,
 1018|      0|                                     tail_size,
 1019|      0|                                     er,
 1020|      0|                                     r.root,
 1021|      0|                                     r.shift,
 1022|      0|                                     r.tail_offset());
 1023|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1023:17): [True: 0, False: 0]
  ------------------
 1024|      0|                                    concated.node()->compute_shift());
 1025|      0|                r.size += l.size;
 1026|      0|                r.shift = concated.shift();
 1027|      0|                r.root  = concated.node();
 1028|      0|                assert(r.check_tree());
  ------------------
  |  Branch (1028:17): [True: 0, False: 0]
  ------------------
 1029|    607|            } else {
 1030|    607|                auto tail_offst = l.tail_offset();
 1031|    607|                auto tail_size  = l.size - tail_offst;
 1032|    607|                auto concated   = concat_trees(
 1033|    607|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
 1034|    607|                r = {l.size + r.size,
 1035|    607|                     concated.shift(),
 1036|    607|                     concated.node(),
 1037|    607|                     r.tail->inc()};
 1038|    607|                return;
 1039|    607|            }
 1040|  1.39k|        } else {
 1041|  1.39k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1041:17): [Folded, False: 1.39k]
  ------------------
 1042|      0|                auto tail_offst = l.tail_offset();
 1043|      0|                auto tail_size  = l.size - tail_offst;
 1044|      0|                auto concated =
 1045|      0|                    concat_trees_mut(er,
 1046|      0|                                     MemoryPolicy::transience_t::noone,
 1047|      0|                                     l.root,
 1048|      0|                                     l.shift,
 1049|      0|                                     tail_offst,
 1050|      0|                                     l.tail,
 1051|      0|                                     tail_size,
 1052|      0|                                     er,
 1053|      0|                                     r.root,
 1054|      0|                                     r.shift,
 1055|      0|                                     r.tail_offset());
 1056|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1056:17): [True: 0, False: 0]
  ------------------
 1057|      0|                                    concated.node()->compute_shift());
 1058|      0|                r.size += l.size;
 1059|      0|                r.shift = concated.shift();
 1060|      0|                r.root  = concated.node();
 1061|      0|                assert(r.check_tree());
  ------------------
  |  Branch (1061:17): [True: 0, False: 0]
  ------------------
 1062|      0|                return;
 1063|  1.39k|            } else {
 1064|  1.39k|                auto tail_offst = l.tail_offset();
 1065|  1.39k|                auto tail_size  = l.size - tail_offst;
 1066|  1.39k|                auto concated   = concat_trees(l.root,
 1067|  1.39k|                                             l.shift,
 1068|  1.39k|                                             tail_offst,
 1069|  1.39k|                                             l.tail,
 1070|  1.39k|                                             tail_size,
 1071|  1.39k|                                             r.root,
 1072|  1.39k|                                             r.shift,
 1073|  1.39k|                                             r.tail_offset());
 1074|  1.39k|                r               = {l.size + r.size,
 1075|  1.39k|                                   concated.shift(),
 1076|  1.39k|                                   concated.node(),
 1077|  1.39k|                                   r.tail->inc()};
 1078|  1.39k|                return;
 1079|  1.39k|            }
 1080|  1.39k|        }
 1081|  3.65k|    }
_ZN5immer6detail4rbts15concat_mut_lr_lERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS9_5applyIS6_E4type4editESC_SG_:
 1084|   867k|    {
 1085|   867k|        assert(&l != &r);
  ------------------
  |  Branch (1085:9): [True: 867k, False: 0]
  ------------------
 1086|   867k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (1086:9): [True: 867k, False: 0]
  ------------------
 1087|   867k|        using std::get;
 1088|   867k|        if (l.size == 0)
  ------------------
  |  Branch (1088:13): [True: 1.90k, False: 865k]
  ------------------
 1089|  1.90k|            l = r;
 1090|   865k|        else if (r.size == 0)
  ------------------
  |  Branch (1090:18): [True: 2.15k, False: 863k]
  ------------------
 1091|  2.15k|            return;
 1092|   863k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (1092:18): [True: 274k, False: 588k]
  ------------------
 1093|       |            // just concat the tail, similar to push_back
 1094|   274k|            auto tail_offst = l.tail_offset();
 1095|   274k|            auto tail_size  = l.size - tail_offst;
 1096|   274k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (1096:17): [True: 34.4k, False: 240k]
  ------------------
 1097|  34.4k|                l.push_tail_mut(el, tail_offst, l.tail, tail_size);
 1098|  34.4k|                l.tail = r.tail->inc();
 1099|  34.4k|                l.size += r.size;
 1100|  34.4k|                return;
 1101|   240k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (1101:24): [True: 3.89k, False: 236k]
  ------------------
 1102|  3.89k|                l.ensure_mutable_tail(el, tail_size);
 1103|  3.89k|                if (r.tail->can_mutate(er))
  ------------------
  |  Branch (1103:21): [True: 2.36k, False: 1.53k]
  ------------------
 1104|  2.36k|                    detail::uninitialized_move(r.tail->leaf(),
 1105|  2.36k|                                               r.tail->leaf() + r.size,
 1106|  2.36k|                                               l.tail->leaf() + tail_size);
 1107|  1.53k|                else
 1108|  1.53k|                    detail::uninitialized_copy(r.tail->leaf(),
 1109|  1.53k|                                               r.tail->leaf() + r.size,
 1110|  1.53k|                                               l.tail->leaf() + tail_size);
 1111|  3.89k|                l.size += r.size;
 1112|  3.89k|                return;
 1113|   236k|            } else {
 1114|   236k|                auto remaining = branches<BL> - tail_size;
 1115|   236k|                l.ensure_mutable_tail(el, tail_size);
 1116|   236k|                if (r.tail->can_mutate(er))
  ------------------
  |  Branch (1116:21): [True: 106k, False: 130k]
  ------------------
 1117|   106k|                    detail::uninitialized_move(r.tail->leaf(),
 1118|   106k|                                               r.tail->leaf() + remaining,
 1119|   106k|                                               l.tail->leaf() + tail_size);
 1120|   130k|                else
 1121|   130k|                    detail::uninitialized_copy(r.tail->leaf(),
 1122|   130k|                                               r.tail->leaf() + remaining,
 1123|   130k|                                               l.tail->leaf() + tail_size);
 1124|   236k|                IMMER_TRY {
  ------------------
  |  |   49|   236k|#define IMMER_TRY try
  ------------------
 1125|   236k|                    auto new_tail =
 1126|   236k|                        node_t::copy_leaf_e(el, r.tail, remaining, r.size);
 1127|   236k|                    IMMER_TRY {
  ------------------
  |  |   49|   236k|#define IMMER_TRY try
  ------------------
 1128|   236k|                        l.push_tail_mut(el, tail_offst, l.tail, branches<BL>);
 1129|   236k|                        l.tail = new_tail;
 1130|   236k|                        l.size += r.size;
 1131|   236k|                        return;
 1132|   236k|                    }
 1133|   236k|                    IMMER_CATCH (...) {
 1134|      0|                        node_t::delete_leaf(new_tail, r.size - remaining);
 1135|      0|                        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1136|      0|                    }
 1137|   236k|                }
 1138|   236k|                IMMER_CATCH (...) {
 1139|      0|                    detail::destroy_n(r.tail->leaf() + tail_size, remaining);
 1140|      0|                    IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1141|      0|                }
 1142|   236k|            }
 1143|   588k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (1143:20): [True: 3.32k, False: 585k]
  ------------------
 1144|  3.32k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1144:17): [Folded, False: 3.32k]
  ------------------
 1145|      0|                auto tail_offst = l.tail_offset();
 1146|      0|                auto tail_size  = l.size - tail_offst;
 1147|      0|                auto concated   = concat_trees_mut(el,
 1148|      0|                                                 el,
 1149|      0|                                                 l.tail,
 1150|      0|                                                 tail_size,
 1151|      0|                                                 er,
 1152|      0|                                                 r.root,
 1153|      0|                                                 r.shift,
 1154|      0|                                                 r.tail_offset());
 1155|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1155:17): [True: 0, False: 0]
  ------------------
 1156|      0|                                    concated.node()->compute_shift());
 1157|      0|                l.size += r.size;
 1158|      0|                l.shift = concated.shift();
 1159|      0|                l.root  = concated.node();
 1160|      0|                l.tail  = r.tail;
 1161|      0|                assert(l.check_tree());
  ------------------
  |  Branch (1161:17): [True: 0, False: 0]
  ------------------
 1162|      0|                r.hard_reset();
 1163|      0|                return;
 1164|  3.32k|            } else {
 1165|  3.32k|                auto tail_offst = l.tail_offset();
 1166|  3.32k|                auto tail_size  = l.size - tail_offst;
 1167|  3.32k|                auto concated   = concat_trees(
 1168|  3.32k|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
 1169|  3.32k|                l = {l.size + r.size,
 1170|  3.32k|                     concated.shift(),
 1171|  3.32k|                     concated.node(),
 1172|  3.32k|                     r.tail->inc()};
 1173|  3.32k|                return;
 1174|  3.32k|            }
 1175|   585k|        } else {
 1176|   585k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1176:17): [Folded, False: 585k]
  ------------------
 1177|      0|                auto tail_offst = l.tail_offset();
 1178|      0|                auto tail_size  = l.size - tail_offst;
 1179|      0|                auto concated   = concat_trees_mut(el,
 1180|      0|                                                 el,
 1181|      0|                                                 l.root,
 1182|      0|                                                 l.shift,
 1183|      0|                                                 tail_offst,
 1184|      0|                                                 l.tail,
 1185|      0|                                                 tail_size,
 1186|      0|                                                 er,
 1187|      0|                                                 r.root,
 1188|      0|                                                 r.shift,
 1189|      0|                                                 r.tail_offset());
 1190|      0|                IMMER_ASSERT_TAGGED(concated.shift() ==
  ------------------
  |  |   68|      0|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (1190:17): [True: 0, False: 0]
  ------------------
 1191|      0|                                    concated.node()->compute_shift());
 1192|      0|                l.size += r.size;
 1193|      0|                l.shift = concated.shift();
 1194|      0|                l.root  = concated.node();
 1195|      0|                l.tail  = r.tail;
 1196|      0|                assert(l.check_tree());
  ------------------
  |  Branch (1196:17): [True: 0, False: 0]
  ------------------
 1197|      0|                r.hard_reset();
 1198|      0|                return;
 1199|   585k|            } else {
 1200|   585k|                auto tail_offst = l.tail_offset();
 1201|   585k|                auto tail_size  = l.size - tail_offst;
 1202|   585k|                auto concated   = concat_trees(l.root,
 1203|   585k|                                             l.shift,
 1204|   585k|                                             tail_offst,
 1205|   585k|                                             l.tail,
 1206|   585k|                                             tail_size,
 1207|   585k|                                             r.root,
 1208|   585k|                                             r.shift,
 1209|   585k|                                             r.tail_offset());
 1210|   585k|                l               = {l.size + r.size,
 1211|   585k|                                   concated.shift(),
 1212|   585k|                                   concated.node(),
 1213|   585k|                                   r.tail->inc()};
 1214|   585k|                return;
 1215|   585k|            }
 1216|   585k|        }
 1217|   867k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6equalsERKSB_:
  315|  75.5k|    {
  316|  75.5k|        using iter_t = rrbtree_iterator<T, MemoryPolicy, B, BL>;
  317|  75.5k|        if (size != other.size)
  ------------------
  |  Branch (317:13): [True: 53.2k, False: 22.3k]
  ------------------
  318|  53.2k|            return false;
  319|  22.3k|        if (size == 0)
  ------------------
  |  Branch (319:13): [True: 198, False: 22.1k]
  ------------------
  320|    198|            return true;
  321|  22.1k|        auto tail_off       = tail_offset();
  322|  22.1k|        auto tail_off_other = other.tail_offset();
  323|       |        // compare trees
  324|  22.1k|        if (tail_off > 0 && tail_off_other > 0) {
  ------------------
  |  Branch (324:13): [True: 21.2k, False: 916]
  |  Branch (324:29): [True: 21.0k, False: 195]
  ------------------
  325|       |            // other.shift != shift is a theoretical possibility for
  326|       |            // relaxed trees that sadly we haven't managed to exercise
  327|       |            // in tests yet...
  328|  21.0k|            if (other.shift >= shift) {
  ------------------
  |  Branch (328:17): [True: 20.3k, False: 677]
  ------------------
  329|  20.3k|                if (!visit_maybe_relaxed_sub(other.root,
  ------------------
  |  Branch (329:21): [True: 10.6k, False: 9.73k]
  ------------------
  330|  20.3k|                                             other.shift,
  331|  20.3k|                                             tail_off_other,
  332|  20.3k|                                             equals_visitor::rrb{},
  333|  20.3k|                                             iter_t{other},
  334|  20.3k|                                             root,
  335|  20.3k|                                             shift,
  336|  20.3k|                                             tail_off))
  337|  10.6k|                    return false;
  338|  20.3k|            } else {
  339|    677|                if (!visit_maybe_relaxed_sub(root,
  ------------------
  |  Branch (339:21): [True: 245, False: 432]
  ------------------
  340|    677|                                             shift,
  341|    677|                                             tail_off,
  342|    677|                                             equals_visitor::rrb{},
  343|    677|                                             iter_t{*this},
  344|    677|                                             other.root,
  345|    677|                                             other.shift,
  346|    677|                                             tail_off_other))
  347|    245|                    return false;
  348|    677|            }
  349|  21.0k|        }
  350|  11.2k|        return tail_off == tail_off_other
  ------------------
  |  Branch (350:16): [True: 6.52k, False: 4.74k]
  ------------------
  351|  11.2k|                   ? make_leaf_sub_pos(tail, tail_size())
  352|  6.52k|                         .visit(equals_visitor{}, other.tail)
  353|  11.2k|               : tail_off > tail_off_other
  ------------------
  |  Branch (353:18): [True: 2.12k, False: 2.62k]
  ------------------
  354|  4.74k|                   ? std::equal(tail->leaf(),
  355|  2.12k|                                tail->leaf() + (size - tail_off),
  356|  2.12k|                                other.tail->leaf() +
  357|  2.12k|                                    (tail_off - tail_off_other))
  358|       |                   /* otherwise */
  359|  4.74k|                   : std::equal(tail->leaf(),
  360|  2.62k|                                tail->leaf() + (size - tail_off),
  361|  2.62k|                                iter_t{other} + tail_off);
  362|  22.1k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10region_forEm:
  524|  1.27M|    {
  525|  1.27M|        using std::get;
  526|  1.27M|        auto tail_off = tail_offset();
  527|  1.27M|        if (idx >= tail_off) {
  ------------------
  |  Branch (527:13): [True: 4.45k, False: 1.27M]
  ------------------
  528|  4.45k|            return std::make_tuple(tail->leaf(), tail_off, size);
  529|  1.27M|        } else {
  530|  1.27M|            auto subs = visit_maybe_relaxed_sub(
  531|  1.27M|                root, shift, tail_off, region_for_visitor<T>(), idx);
  532|  1.27M|            auto first = idx - get<1>(subs);
  533|  1.27M|            auto end   = first + get<2>(subs);
  534|  1.27M|            return std::make_tuple(get<0>(subs), first, end);
  535|  1.27M|        }
  536|  1.27M|    }

_ZNK5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11dereferenceEv:
   90|  9.63M|    {
   91|  9.63M|        using std::get;
   92|  9.63M|        if (i_ < get<1>(curr_) || i_ >= get<2>(curr_))
  ------------------
  |  Branch (92:13): [True: 85.1k, False: 9.54M]
  |  Branch (92:35): [True: 1.19M, False: 8.35M]
  ------------------
   93|  1.27M|            curr_ = v_->region_for(i_);
   94|  9.63M|        return get<0>(curr_)[i_ - get<1>(curr_)];
   95|  9.63M|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7advanceEl:
   74|   180k|    {
   75|   180k|        using std::get;
   76|   180k|        assert(n <= 0 || i_ + static_cast<size_t>(n) <= v_->size);
  ------------------
  |  Branch (76:9): [True: 296, False: 180k]
  |  Branch (76:9): [True: 180k, False: 0]
  |  Branch (76:9): [True: 180k, False: 0]
  ------------------
   77|   180k|        assert(n >= 0 || static_cast<size_t>(-n) <= i_);
  ------------------
  |  Branch (77:9): [True: 180k, False: 0]
  |  Branch (77:9): [True: 0, False: 0]
  |  Branch (77:9): [True: 180k, False: 0]
  ------------------
   78|   180k|        i_ += n;
   79|   180k|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9incrementEv:
   60|  8.42M|    {
   61|  8.42M|        using std::get;
   62|  8.42M|        assert(i_ < v_->size);
  ------------------
  |  Branch (62:9): [True: 8.42M, False: 0]
  ------------------
   63|  8.42M|        ++i_;
   64|  8.42M|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2ERKNS1_7rrbtreeIiSA_Lj3ELj3EEE:
   39|  23.6k|        : v_{&v}
   40|  23.6k|        , i_{0}
   41|  23.6k|        , curr_{nullptr, ~size_t{}, ~size_t{}}
   42|  23.6k|    {
   43|  23.6k|    }

_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERmEEEDcDpOT_:
   31|  26.1k|    {
   32|  26.1k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  26.1k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERmEEEDcDpOT_:
   31|   101k|    {
   32|   101k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   101k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EEEE13visit_regularIJRNS1_15regular_sub_posISD_EERmEEEDcDpOT_:
   37|  1.70k|    {
   38|  1.70k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.70k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb0EEEE13visit_regularIJRNS1_8full_posISD_EEmEEEDcDpOT_:
   37|  7.42k|    {
   38|  7.42k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  7.42k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EEEE13visit_regularIJRNS1_15regular_sub_posISD_EERmEEEDcDpOT_:
   37|  8.15k|    {
   38|  8.15k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  8.15k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EEEE13visit_regularIJRNS1_8full_posISD_EEmEEEDcDpOT_:
   37|    745|    {
   38|    745|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    745|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18slice_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEELb1EEEE13visit_regularIJRNS1_15regular_sub_posISD_EEmEEEDcDpOT_:
   37|  1.58k|    {
   38|  1.58k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.58k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_25singleton_regular_sub_posISD_EENS1_14empty_leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   37|  7.26k|    {
   38|  7.26k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  7.26k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_25singleton_regular_sub_posISD_EENS1_14empty_leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   43|  7.26k|    {
   44|  7.26k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  7.26k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   31|  5.11k|    {
   32|  5.11k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  5.11k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   43|  5.11k|    {
   44|  5.11k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  5.11k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE10visit_leafIJRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   49|  7.33M|    {
   50|  7.33M|        return Deriv::visit_node(std::forward<Args>(args)...);
   51|  7.33M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   31|   102M|    {
   32|   102M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   102M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE11visit_innerIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   43|   102M|    {
   44|   102M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   102M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_21concat_merger_visitorEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_13concat_mergerISG_EEEEEDcDpOT_:
   31|   102M|    {
   32|   102M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   102M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   31|  16.6k|    {
   32|  16.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  16.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   37|    281|    {
   38|    281|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    281|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_8full_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   37|    931|    {
   38|    931|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    931|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE10visit_leafIJRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   49|  4.73M|    {
   50|  4.73M|        return Deriv::visit_node(std::forward<Args>(args)...);
   51|  4.73M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   37|   537k|    {
   38|   537k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   537k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE11visit_innerIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   43|   537k|    {
   44|   537k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   537k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_21concat_merger_visitorEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_13concat_mergerISG_EEEEEDcDpOT_:
   37|   537k|    {
   38|   537k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   537k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   37|  3.55M|    {
   38|  3.55M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.55M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_34concat_rebalance_plan_fill_visitorEE11visit_innerIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_21concat_rebalance_planILj3ELj3EEEEEEDcDpOT_:
   43|  3.55M|    {
   44|  3.55M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  3.55M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_21concat_merger_visitorEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_13concat_mergerISG_EEEEEDcDpOT_:
   37|  3.55M|    {
   38|  3.55M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.55M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   37|  2.15k|    {
   38|  2.15k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  2.15k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EERNS1_25singleton_regular_sub_posISD_EERNS1_14empty_leaf_posISD_EEEEEDcDpOT_:
   43|  2.15k|    {
   44|  2.15k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  2.15k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   31|   982k|    {
   32|   982k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   982k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   43|   982k|    {
   44|   982k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   982k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|   975k|    {
   32|   975k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   975k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|   975k|    {
   44|   975k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   975k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   31|  2.96M|    {
   32|  2.96M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  2.96M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EERNS1_11relaxed_posISD_EEEEEDcDpOT_:
   37|  4.10k|    {
   38|  4.10k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.10k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|  1.14M|    {
   32|  1.14M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.14M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|   302k|    {
   38|   302k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   302k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   37|  1.28k|    {
   38|  1.28k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.28k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_8full_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  18.3k|    {
   38|  18.3k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  18.3k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EERNS1_8full_posISD_EEEEEDcDpOT_:
   37|  7.12k|    {
   38|  7.12k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  7.12k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   37|  10.7k|    {
   38|  10.7k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  10.7k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EERNS1_11relaxed_posISD_EEEEEDcDpOT_:
   37|  1.43M|    {
   38|  1.43M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.43M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|  6.73M|    {
   32|  6.73M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  6.73M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  1.29k|    {
   38|  1.29k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.29k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EERNS1_15regular_sub_posISD_EEEEEDcDpOT_:
   31|  11.4k|    {
   32|  11.4k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  11.4k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_20concat_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_8full_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  3.75k|    {
   38|  3.75k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.75k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EERNS1_8full_posISD_EEEEEDcDpOT_:
   31|  1.73k|    {
   32|  1.73k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.73k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EERNS1_15regular_sub_posISD_EEEEEDcDpOT_:
   31|  1.18k|    {
   32|  1.18k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.18k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_19concat_both_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EESJ_EEEDcDpOT_:
   31|  6.70M|    {
   32|  6.70M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  6.70M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  7.03k|    {
   38|  7.03k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  7.03k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EERNS1_11relaxed_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|  7.03k|    {
   44|  7.03k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  7.03k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   37|  16.8k|    {
   38|  16.8k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  16.8k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_25concat_trees_left_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EENS1_8leaf_posISD_EERPSD_RjRmEEEDcDpOT_:
   43|  16.8k|    {
   44|  16.8k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  16.8k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_relaxedIJRNS1_11relaxed_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   31|  6.59k|    {
   32|  6.59k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  6.59k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_11relaxed_posISD_EERNS1_15regular_sub_posISD_EERNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|  6.59k|    {
   44|  6.59k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  6.59k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE13visit_regularIJRNS1_15regular_sub_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   37|  10.2k|    {
   38|  10.2k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  10.2k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_26concat_trees_right_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEE11visit_innerIJRNS1_15regular_sub_posISD_EESJ_RNS1_8leaf_posISD_EEEEEDcDpOT_:
   43|  10.2k|    {
   44|  10.2k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  10.2k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   31|  12.3k|    {
   32|  12.3k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  12.3k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE11visit_innerIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   43|  12.3k|    {
   44|  12.3k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  12.3k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERjSJ_RNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   31|  23.6k|    {
   32|  23.6k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  23.6k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERjRNS1_15regular_sub_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   31|  1.96k|    {
   32|  1.96k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.96k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERjRNS1_8full_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   31|    580|    {
   32|    580|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|    580|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERjRNS1_8full_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|    925|    {
   38|    925|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    925|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   31|  4.51M|    {
   32|  4.51M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  4.51M|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   37|   290k|    {
   38|   290k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   290k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   37|   288k|    {
   38|   288k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   288k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_18region_for_visitorIiEEE13visit_regularIJRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERmEEEDcDpOT_:
   37|  30.7k|    {
   38|  30.7k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  30.7k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   37|  20.9k|    {
   38|  20.9k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  20.9k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERjSJ_RNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|    910|    {
   38|    910|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    910|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   37|  17.8k|    {
   38|  17.8k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  17.8k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_regularIJRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   37|  3.89k|    {
   38|  3.89k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.89k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERjRNS1_11relaxed_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|  4.98k|    {
   38|  4.98k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.98k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor10this_aux_tEE13visit_regularIJRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERjRNS1_11relaxed_posISH_EERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERmEEEDcDpOT_:
   37|  4.55k|    {
   38|  4.55k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.55k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_24for_each_chunk_p_visitorEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERZNS1_14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiSF_Lj3ELj3EEEEEDaOT_EUlSN_T0_E_EEEDcDpOT_:
   31|   141k|    {
   32|   141k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   141k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE13visit_relaxedIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERPSH_RjRmEEEDcDpOT_:
   31|  1.13k|    {
   32|  1.13k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.13k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE11visit_innerIJRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEERNS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERPSH_RjRmEEEDcDpOT_:
   43|  1.13k|    {
   44|  1.13k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  1.13k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE13visit_regularIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   37|  8.67k|    {
   38|  8.67k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  8.67k|    }
_ZN5immer6detail4rbts12visitor_baseINS1_14equals_visitor3rrbEE11visit_innerIJRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_16rrbtree_iteratorIiSG_Lj3ELj3EEERKPSH_RKjRmEEEDcDpOT_:
   43|  8.67k|    {
   44|  8.67k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  8.67k|    }

_ZN5immer6detail15auto_const_castINS_22unsafe_refcount_policyEEERT_RKS3_:
  143|   431M|{
  144|   431M|    return const_cast<T&>(x);
  145|   431M|}
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7inner_tEPSC_Lb0EE15get_storage_ptrEv:
  113|   269M|    {
  114|   269M|        check_base();
  115|   269M|        auto* base = static_cast<Derived*>(this);
  116|   269M|        return reinterpret_cast<T*>(base + 1);
  117|   269M|    }
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7inner_tEPSC_Lb0EE10check_baseEv:
  134|   269M|    {
  135|   269M|        static_assert(std::is_standard_layout<Derived>::value &&
  136|   269M|                          !std::is_empty<Derived>::value,
  137|   269M|                      "Please add 'true' if the derived class is emtpy");
  138|   269M|    }
_ZN5immer6detail9static_ifILb0EZNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14delete_inner_rEPSC_jEUlT_E_EENSt3__19enable_ifIXntT_EvE4typeEOT0_:
  334|  31.1M|{
  335|  31.1M|}
_ZN5immer6detail9destroy_nIPijEENSt3__19enable_ifIX20can_trivially_detroyIT_EES5_E4typeES5_T0_:
  188|  1.60M|{
  189|  1.60M|    return first + n;
  190|  1.60M|}
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6leaf_tEiLb1EE15get_storage_ptrEv:
   75|  11.3M|    {
   76|  11.3M|        check_base();
   77|  11.3M|        return reinterpret_cast<T*>(this);
   78|  11.3M|    }
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6leaf_tEiLb1EE10check_baseEv:
   94|  11.3M|    {
   95|       |        // is_standard_layout requires that only one class in the hierarchy
   96|       |        // contains non-static data members. Since this class contains one
   97|       |        // member, the static_assert will only hold when the derived class is
   98|       |        // empty.
   99|  11.3M|        static_assert(std::is_standard_layout<Derived>::value,
  100|  11.3M|                      "Please remove 'true' if the derived class is non emtpy");
  101|  11.3M|    }
_ZN5immer6detail18uninitialized_copyIPiS2_S2_EENSt3__19enable_ifIX18can_trivially_copyIT_T1_EES6_E4typeES5_T0_S6_:
  236|  2.10M|{
  237|  2.10M|    return std::copy(first, last, out);
  238|  2.10M|}
_ZN5immer6detail9static_ifILb1EPNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEZNSC_15make_inner_sr_nEjPNS0_3csl6memberINSC_14relaxed_data_tEvE4typeEEUlT_E_ZNSC_15make_inner_sr_nEjSJ_EUlSK_E0_EENSt3__19enable_ifIXT_ET0_E4typeEOT1_OT2_:
  339|   234k|{
  340|   234k|    return std::forward<F1>(f1)(empty_t{});
  341|   234k|}
_ZN5immer6detail4ipowImEET_S2_j:
  323|  48.9M|{
  324|  48.9M|    return pow == 0 ? 1 : num * ipow(num, pow - 1);
  ------------------
  |  Branch (324:12): [True: 2.33M, False: 46.6M]
  ------------------
  325|  48.9M|}
_ZN5immer6detail9static_ifILb1EPNS0_3csl6memberINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14relaxed_data_tEvE4typeEZNSE_24ensure_mutable_relaxed_nENSC_5applyIS9_E4type4editEjEUlT_E_ZNSE_24ensure_mutable_relaxed_nESM_jEUlSN_E0_EENSt3__19enable_ifIXT_ET0_E4typeEOT1_OT2_:
  339|   176k|{
  340|   176k|    return std::forward<F1>(f1)(empty_t{});
  341|   176k|}
_ZN5immer6detail9static_ifILb0EZNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14make_inner_r_eENSA_5applyIS7_E4type4editEEUlT_E_EENSt3__19enable_ifIXntT_EvE4typeEOT0_:
  334|   165k|{
  335|   165k|}
_ZN5immer6detail9static_ifILb1EPNS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEZNSC_15make_inner_sr_eENSA_5applyIS7_E4type4editEPNS0_3csl6memberINSC_14relaxed_data_tEvE4typeEEUlT_E_ZNSC_15make_inner_sr_eESH_SN_EUlSO_E0_EENSt3__19enable_ifIXT_ET0_E4typeEOT1_OT2_:
  339|  36.6k|{
  340|  36.6k|    return std::forward<F1>(f1)(empty_t{});
  341|  36.6k|}
_ZN5immer6detail9destroy_nIPimEENSt3__19enable_ifIX20can_trivially_detroyIT_EES5_E4typeES5_T0_:
  188|    342|{
  189|    342|    return first + n;
  190|    342|}
_ZN5immer6detail9static_ifILb1EPNS0_3csl6memberINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14relaxed_data_tEvE4typeEZNSE_22ensure_mutable_relaxedENSC_5applyIS9_E4type4editEEUlT_E_ZNSE_22ensure_mutable_relaxedESM_EUlSN_E0_EENSt3__19enable_ifIXT_ET0_E4typeEOT1_OT2_:
  339|   207k|{
  340|   207k|    return std::forward<F1>(f1)(empty_t{});
  341|   207k|}
_ZN5immer6detail18uninitialized_moveIPiS2_EENSt3__19enable_ifIX18can_trivially_copyIT_T0_EES6_E4typeES5_S5_S6_:
  210|   108k|{
  211|   108k|    return std::copy(first, last, out);
  212|   108k|}
_ZN5immer6detail8as_constIiEEPKT_PS2_:
   29|  1.20M|{
   30|  1.20M|    return x;
   31|  1.20M|}
_ZN5immer6detail4makeINS_15debug_size_heapINS_8cpp_heapEEENS_3boxIiNS_13memory_policyINS_21free_list_heap_policyIS3_Lm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE6holderEJiEEEPT0_DpOT1_:
  260|  15.6k|{
  261|  15.6k|    auto ptr = Heap::allocate(sizeof(T));
  262|  15.6k|    IMMER_TRY {
  ------------------
  |  |   49|  15.6k|#define IMMER_TRY try
  ------------------
  263|  15.6k|        return new (ptr) T(std::forward<Args>(args)...);
  264|  15.6k|    }
  265|  15.6k|    IMMER_CATCH (...) {
  266|      0|        Heap::deallocate(sizeof(T), ptr);
  267|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  268|      0|    }
  269|  15.6k|}

_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2Ev:
   96|  84.1k|    flex_vector() = default;
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_backEi:
  246|   347k|    {
  247|   347k|        return impl_.push_back(std::move(value));
  248|   347k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2ENS_6detail4rbts7rrbtreeIiS8_Lj3ELj3EEE:
  536|  1.21M|        : impl_(std::move(impl))
  537|  1.21M|    {
  538|       |#if IMMER_DEBUG_PRINT
  539|       |        // force the compiler to generate debug_print, so we can call
  540|       |        // it from a debugger
  541|       |        [](volatile auto) {}(&flex_vector::debug_print);
  542|       |#endif
  543|  1.21M|    }
_ZNK5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4sizeEv:
  181|  3.87M|    IMMER_NODISCARD size_type size() const { return impl_.size; }
flex-vector-bo.cpp:_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6updateIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSE_E_EES9_mOSE_:
  323|   171k|    {
  324|   171k|        return impl_.update(index, std::forward<FnT>(fn));
  325|   171k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4takeEm:
  350|  23.5k|    {
  351|  23.5k|        return impl_.take(elems);
  352|  23.5k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4dropEm:
  376|  38.5k|    {
  377|  38.5k|        return impl_.drop(elems);
  378|  38.5k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8max_sizeEv:
   90|  1.69M|    constexpr static size_type max_size() { return impl_t::max_size(); }
_ZN5immerplERKNS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEESB_:
  403|   638k|    {
  404|   638k|        return l.impl_.concat(r.impl_);
  405|   638k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_backEi:
  251|  39.8k|    {
  252|  39.8k|        return push_back_move(move_t{}, std::move(value));
  253|  39.8k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14push_back_moveENSt3__117integral_constantIbLb1EEEi:
  547|  39.8k|    {
  548|  39.8k|        impl_.push_back_mut({}, std::move(value));
  549|  39.8k|        return std::move(*this);
  550|  39.8k|    }
flex-vector-bo.cpp:_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6updateIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSE_E0_EEDcmOSE_:
  329|  32.2k|    {
  330|  32.2k|        return update_move(move_t{}, index, std::forward<FnT>(fn));
  331|  32.2k|    }
flex-vector-bo.cpp:_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11update_moveIZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSE_E0_EEOS9_NSt3__117integral_constantIbLb1EEEmOSE_:
  568|  32.2k|    {
  569|  32.2k|        impl_.update_mut({}, index, std::forward<Fn>(fn));
  570|  32.2k|        return std::move(*this);
  571|  32.2k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4takeEm:
  355|  31.4k|    {
  356|  31.4k|        return take_move(move_t{}, elems);
  357|  31.4k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9take_moveENSt3__117integral_constantIbLb1EEEm:
  579|  31.4k|    {
  580|  31.4k|        impl_.take_mut({}, elems);
  581|  31.4k|        return std::move(*this);
  582|  31.4k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4dropEm:
  381|  67.6k|    {
  382|  67.6k|        return drop_move(move_t{}, elems);
  383|  67.6k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9drop_moveENSt3__117integral_constantIbLb1EEEm:
  589|  67.6k|    {
  590|  67.6k|        impl_.drop_mut({}, elems);
  591|  67.6k|        return std::move(*this);
  592|  67.6k|    }
_ZN5immerplEONS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERKS9_:
  409|   181k|    {
  410|   181k|        return concat_move(move_t{}, std::move(l), r);
  411|   181k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEEOS9_RKS9_:
  600|   181k|    {
  601|   181k|        concat_mut_l(l.impl_, {}, r.impl_);
  602|   181k|        return std::move(l);
  603|   181k|    }
_ZN5immerplERKNS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEOS9_:
  415|  3.65k|    {
  416|  3.65k|        return concat_move(move_t{}, l, std::move(r));
  417|  3.65k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEERKS9_OS9_:
  606|  3.65k|    {
  607|  3.65k|        concat_mut_r(l.impl_, r.impl_, {});
  608|  3.65k|        return std::move(r);
  609|  3.65k|    }
_ZN5immerplEONS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEESA_:
  421|   867k|    {
  422|   867k|        return concat_move(move_t{}, std::move(l), std::move(r));
  423|   867k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEEOS9_SD_:
  612|   867k|    {
  613|   867k|        concat_mut_lr_l(l.impl_, {}, r.impl_, {});
  614|   867k|        return std::move(l);
  615|   867k|    }
_ZNK5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEeqERKS9_:
  222|  75.5k|    {
  223|  75.5k|        return impl_.equals(other.impl_);
  224|  75.5k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5eraseEm:
  480|  5.93k|    {
  481|  5.93k|        return take(pos) + drop(pos + 1);
  482|  5.93k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6insertEmi:
  442|  15.6k|    {
  443|  15.6k|        return take(pos).push_back(std::move(value)) + drop(pos);
  444|  15.6k|    }

_ZN5immer8cpp_heap10deallocateEmPv:
   36|  34.1M|    static void deallocate(std::size_t, void* data) { ::operator delete(data); }
_ZN5immer8cpp_heap8allocateIJEEEPvmDpT_:
   27|  34.1M|    {
   28|  34.1M|        return ::operator new(size);
   29|  34.1M|    }

_ZN5immer15debug_size_heapINS_8cpp_heapEE8allocateIJEEEPvmDpT_:
   49|  15.6k|    {
   50|  15.6k|        auto p = (std::size_t*) Base::allocate(size + extra_size, tags...);
   51|  15.6k|        new (p) std::size_t{size};
   52|  15.6k|        return ((char*) p) + extra_size;
   53|  15.6k|    }
_ZN5immer15debug_size_heapINS_8cpp_heapEE10deallocateIJEEEvmPvDpT_:
   57|  15.6k|    {
   58|  15.6k|        auto p = (std::size_t*) (((char*) data) - extra_size);
   59|  15.6k|        assert(*p == size);
  ------------------
  |  Branch (59:9): [True: 15.6k, False: 0]
  ------------------
   60|  15.6k|        Base::deallocate(size + extra_size, p, tags...);
   61|  15.6k|    }

_ZN5immer15refcount_policyC2Ev:
   28|  15.6k|        : refcount{1} {};
_ZN5immer15refcount_policy3decEv:
   36|  15.6k|    bool dec() { return 1 == refcount.fetch_sub(1, std::memory_order_acq_rel); }

_ZN5immer22unsafe_refcount_policyC2Ev:
   27|  34.1M|        : refcount{1} {};
_ZN5immer22unsafe_refcount_policy3incEv:
   33|   197M|    void inc() { ++refcount; }
_ZN5immer22unsafe_refcount_policy3decEv:
   34|   231M|    bool dec() { return --refcount == 0; }
_ZN5immer22unsafe_refcount_policy6uniqueEv:
   35|  2.62M|    bool unique() { return refcount == 1; }

_ZNK5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5ownee5ownedEv:
   36|  34.1M|                bool owned() const { return false; }
_ZNK5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5ownee10can_mutateENS6_4editE:
   35|   287k|                bool can_mutate(edit) const { return false; }
_ZN5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeaSENS6_4editE:
   34|   655k|                ownee& operator=(edit) { return *this; };

