LLVMFuzzerTestOneInput:
   24|  10.6k|{
   25|  10.6k|    constexpr auto var_count = 8;
   26|  10.6k|    constexpr auto bits      = 3;
   27|       |
   28|  10.6k|    using vector_t = immer::flex_vector<int, bo_memory, bits, bits>;
   29|  10.6k|    using size_t   = std::uint8_t;
   30|       |
   31|  10.6k|    auto vars = std::array<vector_t, var_count>{};
   32|       |
   33|  10.6k|    auto is_valid_var = [&](auto idx) { return idx >= 0 && idx < var_count; };
   34|  10.6k|    auto is_valid_var_neq = [](auto other) {
   35|  10.6k|        return [=](auto idx) {
   36|  10.6k|            return idx >= 0 && idx < var_count && idx != other;
   37|  10.6k|        };
   38|  10.6k|    };
   39|  10.6k|    auto is_valid_index = [](auto& v) {
   40|  10.6k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
   41|  10.6k|    };
   42|  10.6k|    auto is_valid_size = [](auto& v) {
   43|  10.6k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
   44|  10.6k|    };
   45|  10.6k|    auto can_concat = [](auto&& v1, auto&& v2) {
   46|  10.6k|        return v1.size() + v2.size() < vector_t::max_size();
   47|  10.6k|    };
   48|  10.6k|    auto can_compare = [](auto&& v) {
   49|       |        // avoid comparing vectors that are too big, and hence, slow to compare
   50|  10.6k|        return v.size() < (1 << 15);
   51|  10.6k|    };
   52|  10.6k|    return fuzzer_input{data, size}.run([&](auto& in) {
   53|  10.6k|        enum ops
   54|  10.6k|        {
   55|  10.6k|            op_push_back,
   56|  10.6k|            op_update,
   57|  10.6k|            op_take,
   58|  10.6k|            op_drop,
   59|  10.6k|            op_concat,
   60|  10.6k|            op_push_back_move,
   61|  10.6k|            op_update_move,
   62|  10.6k|            op_take_move,
   63|  10.6k|            op_drop_move,
   64|  10.6k|            op_concat_move_l,
   65|  10.6k|            op_concat_move_r,
   66|  10.6k|            op_concat_move_lr,
   67|  10.6k|            op_insert,
   68|  10.6k|            op_erase,
   69|  10.6k|            op_compare,
   70|  10.6k|        };
   71|  10.6k|        auto src = read<char>(in, is_valid_var);
   72|  10.6k|        auto dst = read<char>(in, is_valid_var);
   73|  10.6k|        switch (read<char>(in)) {
   74|  10.6k|        case op_push_back: {
   75|  10.6k|            vars[dst] = vars[src].push_back(42);
   76|  10.6k|            break;
   77|  10.6k|        }
   78|  10.6k|        case op_update: {
   79|  10.6k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
   80|  10.6k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
   81|  10.6k|            break;
   82|  10.6k|        }
   83|  10.6k|        case op_take: {
   84|  10.6k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   85|  10.6k|            vars[dst] = vars[src].take(idx);
   86|  10.6k|            break;
   87|  10.6k|        }
   88|  10.6k|        case op_drop: {
   89|  10.6k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   90|  10.6k|            vars[dst] = vars[src].drop(idx);
   91|  10.6k|            break;
   92|  10.6k|        }
   93|  10.6k|        case op_concat: {
   94|  10.6k|            auto src2 = read<char>(in, is_valid_var);
   95|  10.6k|            if (can_concat(vars[src], vars[src2]))
   96|  10.6k|                vars[dst] = vars[src] + vars[src2];
   97|  10.6k|            break;
   98|  10.6k|        }
   99|  10.6k|        case op_push_back_move: {
  100|  10.6k|            vars[dst] = std::move(vars[src]).push_back(21);
  101|  10.6k|            break;
  102|  10.6k|        }
  103|  10.6k|        case op_update_move: {
  104|  10.6k|            auto idx = read<size_t>(in, is_valid_index(vars[src]));
  105|  10.6k|            vars[dst] =
  106|  10.6k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
  107|  10.6k|            break;
  108|  10.6k|        }
  109|  10.6k|        case op_take_move: {
  110|  10.6k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  111|  10.6k|            vars[dst] = std::move(vars[src]).take(idx);
  112|  10.6k|            break;
  113|  10.6k|        }
  114|  10.6k|        case op_drop_move: {
  115|  10.6k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  116|  10.6k|            vars[dst] = std::move(vars[src]).drop(idx);
  117|  10.6k|            break;
  118|  10.6k|        }
  119|  10.6k|        case op_concat_move_l: {
  120|  10.6k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  121|  10.6k|            if (can_concat(vars[src], vars[src2]))
  122|  10.6k|                vars[dst] = std::move(vars[src]) + vars[src2];
  123|  10.6k|            break;
  124|  10.6k|        }
  125|  10.6k|        case op_concat_move_r: {
  126|  10.6k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  127|  10.6k|            if (can_concat(vars[src], vars[src2]))
  128|  10.6k|                vars[dst] = vars[src] + std::move(vars[src2]);
  129|  10.6k|            break;
  130|  10.6k|        }
  131|  10.6k|        case op_concat_move_lr: {
  132|  10.6k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  133|  10.6k|            if (can_concat(vars[src], vars[src2]))
  134|  10.6k|                vars[dst] = std::move(vars[src]) + std::move(vars[src2]);
  135|  10.6k|            break;
  136|  10.6k|        }
  137|  10.6k|        case op_compare: {
  138|  10.6k|            using std::swap;
  139|  10.6k|            if (can_compare(vars[src]) && vars[src] == vars[dst])
  140|  10.6k|                swap(vars[src], vars[dst]);
  141|  10.6k|            break;
  142|  10.6k|        }
  143|  10.6k|        case op_erase: {
  144|  10.6k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
  145|  10.6k|            vars[dst] = vars[src].erase(idx);
  146|  10.6k|            break;
  147|  10.6k|        }
  148|  10.6k|        case op_insert: {
  149|  10.6k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  150|  10.6k|            vars[dst] = vars[src].insert(idx, immer::box<int>{42});
  151|  10.6k|            break;
  152|  10.6k|        }
  153|  10.6k|        default:
  154|  10.6k|            break;
  155|  10.6k|        };
  156|  10.6k|        return true;
  157|  10.6k|    });
  158|  10.6k|}
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_:
   52|  2.59M|    return fuzzer_input{data, size}.run([&](auto& in) {
   53|  2.59M|        enum ops
   54|  2.59M|        {
   55|  2.59M|            op_push_back,
   56|  2.59M|            op_update,
   57|  2.59M|            op_take,
   58|  2.59M|            op_drop,
   59|  2.59M|            op_concat,
   60|  2.59M|            op_push_back_move,
   61|  2.59M|            op_update_move,
   62|  2.59M|            op_take_move,
   63|  2.59M|            op_drop_move,
   64|  2.59M|            op_concat_move_l,
   65|  2.59M|            op_concat_move_r,
   66|  2.59M|            op_concat_move_lr,
   67|  2.59M|            op_insert,
   68|  2.59M|            op_erase,
   69|  2.59M|            op_compare,
   70|  2.59M|        };
   71|  2.59M|        auto src = read<char>(in, is_valid_var);
   72|  2.59M|        auto dst = read<char>(in, is_valid_var);
   73|  2.59M|        switch (read<char>(in)) {
   74|   324k|        case op_push_back: {
  ------------------
  |  Branch (74:9): [True: 324k, False: 2.27M]
  ------------------
   75|   324k|            vars[dst] = vars[src].push_back(42);
   76|   324k|            break;
   77|      0|        }
   78|   169k|        case op_update: {
  ------------------
  |  Branch (78:9): [True: 169k, False: 2.42M]
  ------------------
   79|   169k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
   80|   169k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
   81|   169k|            break;
   82|      0|        }
   83|  1.81k|        case op_take: {
  ------------------
  |  Branch (83:9): [True: 1.81k, False: 2.59M]
  ------------------
   84|  1.81k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   85|  1.81k|            vars[dst] = vars[src].take(idx);
   86|  1.81k|            break;
   87|      0|        }
   88|  13.1k|        case op_drop: {
  ------------------
  |  Branch (88:9): [True: 13.1k, False: 2.58M]
  ------------------
   89|  13.1k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
   90|  13.1k|            vars[dst] = vars[src].drop(idx);
   91|  13.1k|            break;
   92|      0|        }
   93|   674k|        case op_concat: {
  ------------------
  |  Branch (93:9): [True: 674k, False: 1.92M]
  ------------------
   94|   674k|            auto src2 = read<char>(in, is_valid_var);
   95|   674k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (95:17): [True: 643k, False: 31.5k]
  ------------------
   96|   643k|                vars[dst] = vars[src] + vars[src2];
   97|   674k|            break;
   98|      0|        }
   99|  24.2k|        case op_push_back_move: {
  ------------------
  |  Branch (99:9): [True: 24.2k, False: 2.57M]
  ------------------
  100|  24.2k|            vars[dst] = std::move(vars[src]).push_back(21);
  101|  24.2k|            break;
  102|      0|        }
  103|  30.8k|        case op_update_move: {
  ------------------
  |  Branch (103:9): [True: 30.8k, False: 2.56M]
  ------------------
  104|  30.8k|            auto idx = read<size_t>(in, is_valid_index(vars[src]));
  105|  30.8k|            vars[dst] =
  106|  30.8k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
  107|  30.8k|            break;
  108|      0|        }
  109|  31.6k|        case op_take_move: {
  ------------------
  |  Branch (109:9): [True: 31.6k, False: 2.56M]
  ------------------
  110|  31.6k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  111|  31.6k|            vars[dst] = std::move(vars[src]).take(idx);
  112|  31.6k|            break;
  113|      0|        }
  114|  57.1k|        case op_drop_move: {
  ------------------
  |  Branch (114:9): [True: 57.1k, False: 2.54M]
  ------------------
  115|  57.1k|            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
  116|  57.1k|            vars[dst] = std::move(vars[src]).drop(idx);
  117|  57.1k|            break;
  118|      0|        }
  119|   213k|        case op_concat_move_l: {
  ------------------
  |  Branch (119:9): [True: 213k, False: 2.38M]
  ------------------
  120|   213k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  121|   213k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (121:17): [True: 209k, False: 3.57k]
  ------------------
  122|   209k|                vars[dst] = std::move(vars[src]) + vars[src2];
  123|   213k|            break;
  124|      0|        }
  125|  4.44k|        case op_concat_move_r: {
  ------------------
  |  Branch (125:9): [True: 4.44k, False: 2.59M]
  ------------------
  126|  4.44k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  127|  4.44k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (127:17): [True: 3.98k, False: 467]
  ------------------
  128|  3.98k|                vars[dst] = vars[src] + std::move(vars[src2]);
  129|  4.44k|            break;
  130|      0|        }
  131|   907k|        case op_concat_move_lr: {
  ------------------
  |  Branch (131:9): [True: 907k, False: 1.69M]
  ------------------
  132|   907k|            auto src2 = read<char>(in, is_valid_var_neq(src));
  133|   907k|            if (can_concat(vars[src], vars[src2]))
  ------------------
  |  Branch (133:17): [True: 897k, False: 9.63k]
  ------------------
  134|   897k|                vars[dst] = std::move(vars[src]) + std::move(vars[src2]);
  135|   907k|            break;
  136|      0|        }
  137|  91.3k|        case op_compare: {
  ------------------
  |  Branch (137:9): [True: 91.3k, False: 2.50M]
  ------------------
  138|  91.3k|            using std::swap;
  139|  91.3k|            if (can_compare(vars[src]) && vars[src] == vars[dst])
  ------------------
  |  Branch (139:17): [True: 80.8k, False: 10.5k]
  |  Branch (139:43): [True: 5.66k, False: 75.1k]
  ------------------
  140|  5.66k|                swap(vars[src], vars[dst]);
  141|  91.3k|            break;
  142|      0|        }
  143|  7.17k|        case op_erase: {
  ------------------
  |  Branch (143:9): [True: 7.17k, False: 2.59M]
  ------------------
  144|  7.17k|            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
  145|  7.17k|            vars[dst] = vars[src].erase(idx);
  146|  7.17k|            break;
  147|      0|        }
  148|  15.7k|        case op_insert: {
  ------------------
  |  Branch (148:9): [True: 15.7k, False: 2.58M]
  ------------------
  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|  19.6k|        default:
  ------------------
  |  Branch (153:9): [True: 19.6k, False: 2.57M]
  ------------------
  154|  19.6k|            break;
  155|  2.59M|        };
  156|  2.58M|        return true;
  157|  2.59M|    });
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_0clIcEEDaT_:
   33|  6.21M|    auto is_valid_var = [&](auto idx) { return idx >= 0 && idx < var_count; };
  ------------------
  |  Branch (33:48): [True: 6.04M, False: 168k]
  |  Branch (33:60): [True: 5.85M, False: 196k]
  ------------------
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_ENKUlSC_E_clIhEEDaSC_:
   40|   242k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
  ------------------
  |  Branch (40:39): [True: 242k, False: 0]
  |  Branch (40:51): [True: 207k, False: 35.2k]
  ------------------
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_:
   39|   207k|    auto is_valid_index = [](auto& v) {
   40|   207k|        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
   41|   207k|    };
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_ENKUlS2_E_clIiEEDaS2_:
   80|   169k|            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_ENKUlSC_E_clIhEEDaSC_:
   43|   130k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
  ------------------
  |  Branch (43:39): [True: 130k, False: 0]
  |  Branch (43:51): [True: 119k, False: 10.9k]
  ------------------
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_:
   42|   119k|    auto is_valid_size = [](auto& v) {
   43|   119k|        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
   44|   119k|    };
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_4clIRN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEESC_EEDaOT_OT0_:
   45|  1.79M|    auto can_concat = [](auto&& v1, auto&& v2) {
   46|  1.79M|        return v1.size() + v2.size() < vector_t::max_size();
   47|  1.79M|    };
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_ENKUlS2_E0_clIiEEDaS2_:
  106|  30.8k|                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
flex-vector-bo.cpp:_ZZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_ENKUlS1_E_clIcEEDaS1_:
   35|  1.18M|        return [=](auto idx) {
   36|  1.18M|            return idx >= 0 && idx < var_count && idx != other;
  ------------------
  |  Branch (36:20): [True: 1.17M, False: 10.5k]
  |  Branch (36:32): [True: 1.15M, False: 18.9k]
  |  Branch (36:51): [True: 1.12M, False: 27.1k]
  ------------------
   37|  1.18M|        };
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_:
   34|  1.12M|    auto is_valid_var_neq = [](auto other) {
   35|  1.12M|        return [=](auto idx) {
   36|  1.12M|            return idx >= 0 && idx < var_count && idx != other;
   37|  1.12M|        };
   38|  1.12M|    };
flex-vector-bo.cpp:_ZZ22LLVMFuzzerTestOneInputENK3$_5clIRN5immer11flex_vectorIiNS1_13memory_policyINS1_11heap_policyINS1_8cpp_heapEEENS1_22unsafe_refcount_policyENS1_14no_lock_policyENS1_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaOT_:
   48|  91.3k|    auto can_compare = [](auto&& v) {
   49|       |        // avoid comparing vectors that are too big, and hence, slow to compare
   50|  91.3k|        return v.size() < (1 << 15);
   51|  91.3k|    };

flex-vector-bo.cpp:_ZN12fuzzer_input3runIZ22LLVMFuzzerTestOneInputE3$_6EEiT_:
   50|  10.6k|    {
   51|  10.6k|        if (size_ > fuzzer_input_max_size)
  ------------------
  |  Branch (51:13): [True: 6, False: 10.6k]
  ------------------
   52|      6|            return 0;
   53|  10.6k|        try {
   54|  2.59M|            while (step(*this))
  ------------------
  |  Branch (54:20): [True: 2.58M, False: 10.6k]
  ------------------
   55|  2.58M|                continue;
   56|  10.6k|        } catch (const no_more_input&) {
   57|  10.6k|        };
   58|  10.6k|        return 0;
   59|  10.6k|    }
flex-vector-bo.cpp:_Z4readIcZ22LLVMFuzzerTestOneInputE3$_0ET_R12fuzzer_inputT0_:
   70|  5.86M|{
   71|  5.86M|    auto x = read<T>(fz);
   72|  6.22M|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 365k, False: 5.86M]
  ------------------
   73|   365k|        x = read<T>(fz);
   74|  5.86M|    return x;
   75|  5.86M|}
_Z4readIcERKT_R12fuzzer_input:
   64|  9.99M|{
   65|  9.99M|    return *reinterpret_cast<const T*>(fz.next(sizeof(T), alignof(T)));
   66|  9.99M|}
_ZN12fuzzer_input4nextEmm:
   40|  10.3M|    {
   41|  10.3M|        auto& p = const_cast<void*&>(reinterpret_cast<const void*&>(data_));
   42|  10.3M|        auto r  = std::align(align, size, p, size_);
   43|  10.3M|        if (r == nullptr)
  ------------------
  |  Branch (43:13): [True: 10.6k, False: 10.3M]
  ------------------
   44|  10.6k|            throw no_more_input{};
   45|  10.3M|        return next(size);
   46|  10.3M|    }
_ZN12fuzzer_input4nextEm:
   30|  10.3M|    {
   31|  10.3M|        if (size_ < size)
  ------------------
  |  Branch (31:13): [True: 0, False: 10.3M]
  ------------------
   32|      0|            throw no_more_input{};
   33|  10.3M|        auto r = data_;
   34|  10.3M|        data_ += size;
   35|  10.3M|        size_ -= size;
   36|  10.3M|        return r;
   37|  10.3M|    }
flex-vector-bo.cpp:_Z4readIhZZ22LLVMFuzzerTestOneInputENK3$_2clIN5immer11flex_vectorIiNS2_13memory_policyINS2_11heap_policyINS2_8cpp_heapEEENS2_22unsafe_refcount_policyENS2_14no_lock_policyENS2_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_EUlSD_E_ESD_R12fuzzer_inputT0_:
   70|   207k|{
   71|   207k|    auto x = read<T>(fz);
   72|   242k|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 35.2k, False: 207k]
  ------------------
   73|  35.2k|        x = read<T>(fz);
   74|   207k|    return x;
   75|   207k|}
_Z4readIhERKT_R12fuzzer_input:
   64|   373k|{
   65|   373k|    return *reinterpret_cast<const T*>(fz.next(sizeof(T), alignof(T)));
   66|   373k|}
flex-vector-bo.cpp:_Z4readIhZZ22LLVMFuzzerTestOneInputENK3$_3clIN5immer11flex_vectorIiNS2_13memory_policyINS2_11heap_policyINS2_8cpp_heapEEENS2_22unsafe_refcount_policyENS2_14no_lock_policyENS2_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaRT_EUlSD_E_ESD_R12fuzzer_inputT0_:
   70|   119k|{
   71|   119k|    auto x = read<T>(fz);
   72|   130k|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 10.9k, False: 119k]
  ------------------
   73|  10.9k|        x = read<T>(fz);
   74|   119k|    return x;
   75|   119k|}
flex-vector-bo.cpp:_Z4readIcZZ22LLVMFuzzerTestOneInputENK3$_1clIcEEDaT_EUlS2_E_ES2_R12fuzzer_inputT0_:
   70|  1.12M|{
   71|  1.12M|    auto x = read<T>(fz);
   72|  1.18M|    while (!cond(x))
  ------------------
  |  Branch (72:12): [True: 56.6k, False: 1.12M]
  ------------------
   73|  56.6k|        x = read<T>(fz);
   74|  1.12M|    return x;
   75|  1.12M|}

_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEEC2IiviEEOT_:
   85|  15.7k|        : impl_{detail::make<heap, holder>(std::forward<Arg>(arg))}
   86|  15.7k|    {
   87|  15.7k|    }
_ZN5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE6holderC2IJiEEEDpOT_:
   47|  15.7k|            : value(std::forward<Args>(args)...)
   48|  15.7k|        {
   49|  15.7k|        }
_ZNK5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEEcvRKiEv:
  142|  15.7k|    operator const T&() const { return get(); }
_ZNK5immer3boxIiNS_13memory_policyINS_21free_list_heap_policyINS_8cpp_heapELm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE3getEv:
  139|  15.7k|    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|  15.7k|    {
  132|  15.7k|        if (impl_ && impl_->dec()) {
  ------------------
  |  Branch (132:13): [True: 15.7k, False: 0]
  |  Branch (132:22): [True: 15.7k, False: 0]
  ------------------
  133|  15.7k|            impl_->~holder();
  134|  15.7k|            heap::deallocate(sizeof(holder), impl_);
  135|  15.7k|        }
  136|  15.7k|    }

_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|   466M|        {
  171|   466M|            return x.get_(type_t<U>{});
  172|   466M|        }
_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|   466M|        {
  185|   466M|            return n.get_(t);
  186|   466M|        }
_ZNK5immer6detail3csl6memberINS_22unsafe_refcount_policyENS1_7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4typeEE4type4get_ENS1_6type_tIS3_EE:
  128|   466M|        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|  37.4M|        {
  166|  37.4M|            return x.get_(type_t<U>{});
  167|  37.4M|        }
_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|  37.4M|        {
  180|  37.4M|            return n.get_(t);
  181|  37.4M|        }
_ZN5immer6detail3csl7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4type4get_ENS1_6type_tISA_EE:
  102|  37.4M|        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|   267k|        {
  171|   267k|            return x.get_(type_t<U>{});
  172|   267k|        }
_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|   267k|        {
  185|   267k|            return n.get_(t);
  186|   267k|        }
_ZNK5immer6detail3csl7inheritINS_20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeEvE4type4get_ENS1_6type_tISA_EE:
  103|   267k|        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|  8.79M|    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|  8.79M|    {
   23|  8.79M|        return x.dereference();
   24|  8.79M|    }
_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|  8.88M|    {
   87|  8.88M|        static_assert(std::is_base_of<iterator_facade, DerivedT>::value,
   88|  8.88M|                      "must pass a derived thing");
   89|  8.88M|        return *static_cast<const DerivedT*>(this);
   90|  8.88M|    }
_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|   190k|    {
  152|   190k|        access_t::advance(derived(), n);
  153|   190k|        return derived();
  154|   190k|    }
_ZN5immer6detail20iterator_core_access7advanceIRNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEElEEDcOT_T0_:
   46|   190k|    {
   47|   190k|        return x.advance(d);
   48|   190k|    }
_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|  15.7M|    {
   93|  15.7M|        static_assert(std::is_base_of<iterator_facade, DerivedT>::value,
   94|  15.7M|                      "must pass a derived thing");
   95|  15.7M|        return *static_cast<DerivedT*>(this);
   96|  15.7M|    }
_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|  7.67M|    {
  120|  7.67M|        access_t::increment(derived());
  121|  7.67M|        return derived();
  122|  7.67M|    }
_ZN5immer6detail20iterator_core_access9incrementIRNS0_4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDcOT_:
   28|  7.67M|    {
   29|  7.67M|        return x.increment();
   30|  7.67M|    }
_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|  93.0k|    {
  165|  93.0k|        auto tmp = derived();
  166|  93.0k|        return tmp += n;
  167|  93.0k|    }

_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE17make_inner_n_intoEPvmj:
  213|  1.36M|    {
  214|  1.36M|        assert(n <= branches<B>);
  ------------------
  |  Branch (214:9): [True: 1.36M, False: 0]
  ------------------
  215|  1.36M|        assert(size >= sizeof_inner_n(n));
  ------------------
  |  Branch (215:9): [True: 1.36M, False: 0]
  ------------------
  216|  1.36M|        auto p                       = new (buffer) node_t;
  217|  1.36M|        p->impl.d.data.inner.relaxed = nullptr;
  218|  1.36M|#if IMMER_TAGGED_NODE
  219|  1.36M|        p->impl.d.kind = node_t::kind_t::inner;
  220|  1.36M|#endif
  221|  1.36M|        return p;
  222|  1.36M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14sizeof_inner_nEj:
  145|  39.2M|    {
  146|  39.2M|        return keep_headroom ? max_sizeof_inner : sizeof_packed_inner_n(n);
  ------------------
  |  Branch (146:16): [True: 39.2M, Folded]
  ------------------
  147|  39.2M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE3incEv:
  956|   122M|    {
  957|   122M|        refs(this).inc();
  958|   122M|        return this;
  959|   122M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4refsEPKSB_:
  203|   466M|    {
  204|   466M|        return auto_const_cast(get<refs_t>(x->impl));
  205|   466M|    }
_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|  5.18M|    {
  161|  5.18M|        return keep_headroom ? max_sizeof_leaf : sizeof_packed_leaf_n(n);
  ------------------
  |  Branch (161:16): [True: 5.18M, Folded]
  ------------------
  162|  5.18M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7relaxedEv:
  172|   667M|    {
  173|   667M|        IMMER_ASSERT_TAGGED(kind() == kind_t::inner);
  ------------------
  |  |   68|   667M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (173:9): [True: 667M, False: 0]
  ------------------
  174|   667M|        return impl.d.data.inner.relaxed;
  175|   667M|    }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4kindEv:
  168|  1.01G|    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|   250M|    bool dec() const { return refs(this).dec(); }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5innerEv:
  184|   290M|    {
  185|   290M|        IMMER_ASSERT_TAGGED(kind() == kind_t::inner);
  ------------------
  |  |   68|   290M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (185:9): [True: 290M, False: 0]
  ------------------
  186|   290M|        return impl.d.data.inner.get_storage_ptr();
  187|   290M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14delete_inner_rEPSB_j:
  832|  33.8M|    {
  833|  33.8M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::inner);
  ------------------
  |  |   68|  33.8M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (833:9): [True: 33.8M, False: 0]
  ------------------
  834|  33.8M|        auto r = p->relaxed();
  835|  33.8M|        assert(r);
  ------------------
  |  Branch (835:9): [True: 33.8M, False: 0]
  ------------------
  836|  33.8M|        static_if<!embed_relaxed>([&](auto) {
  837|  33.8M|            if (node_t::refs(r).dec())
  838|  33.8M|                heap::deallocate(node_t::ownee(r).owned()
  839|  33.8M|                                     ? node_t::max_sizeof_relaxed
  840|  33.8M|                                     : node_t::sizeof_relaxed_n(n),
  841|  33.8M|                                 r);
  842|  33.8M|        });
  843|  33.8M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_inner_r
  ------------------
  |  Branch (843:26): [True: 0, False: 33.8M]
  ------------------
  844|  33.8M|                                          : node_t::sizeof_inner_r_n(n),
  845|  33.8M|                         p);
  846|  33.8M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5owneeEPSB_:
  210|  37.4M|    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|  67.4M|    {
  151|  67.4M|        return keep_headroom ? max_sizeof_inner_r : sizeof_packed_inner_r_n(n);
  ------------------
  |  Branch (151:16): [True: 67.4M, Folded]
  ------------------
  152|  67.4M|    }
_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|  11.1M|    {
  191|  11.1M|        IMMER_ASSERT_TAGGED(kind() == kind_t::leaf);
  ------------------
  |  |   68|  11.1M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (191:9): [True: 11.1M, False: 0]
  ------------------
  192|  11.1M|        return impl.d.data.leaf.get_storage_ptr();
  193|  11.1M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12delete_innerEPSB_j:
  808|  1.45M|    {
  809|  1.45M|        IMMER_ASSERT_TAGGED(p->kind() == kind_t::inner);
  ------------------
  |  |   68|  1.45M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (809:9): [True: 1.45M, False: 0]
  ------------------
  810|  1.45M|        assert(!p->relaxed());
  ------------------
  |  Branch (810:9): [True: 1.45M, False: 0]
  ------------------
  811|  1.45M|        heap::deallocate(ownee(p).owned() ? node_t::max_sizeof_inner
  ------------------
  |  Branch (811:26): [True: 0, False: 1.45M]
  ------------------
  812|  1.45M|                                          : node_t::sizeof_inner_n(n),
  813|  1.45M|                         p);
  814|  1.45M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE17copy_leaf_emplaceIiEEPSB_SD_jOT_:
  794|   274k|    {
  795|   274k|        auto dst = copy_leaf_n(n + 1, src, n);
  796|   274k|        IMMER_TRY {
  ------------------
  |  |   49|   274k|#define IMMER_TRY try
  ------------------
  797|   274k|            new (dst->leaf() + n) T(std::forward<U>(x));
  798|   274k|        }
  799|   274k|        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|   274k|        return dst;
  805|   274k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11copy_leaf_nEjPSB_j:
  696|   274k|    {
  697|   274k|        assert(allocn >= n);
  ------------------
  |  Branch (697:9): [True: 274k, False: 0]
  ------------------
  698|   274k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   274k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (698:9): [True: 274k, False: 0]
  ------------------
  699|   274k|        auto dst = make_leaf_n(allocn);
  700|   274k|        IMMER_TRY {
  ------------------
  |  |   49|   274k|#define IMMER_TRY try
  ------------------
  701|   274k|            detail::uninitialized_copy(
  702|   274k|                src->leaf(), src->leaf() + n, dst->leaf());
  703|   274k|        }
  704|   274k|        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|   274k|        return dst;
  709|   274k|    }
_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|  50.2k|    {
  471|  50.2k|        assert(n >= 1);
  ------------------
  |  Branch (471:9): [True: 50.2k, False: 0]
  ------------------
  472|  50.2k|        auto p = make_leaf_n(n);
  473|  50.2k|        IMMER_TRY {
  ------------------
  |  |   49|  50.2k|#define IMMER_TRY try
  ------------------
  474|  50.2k|            new (p->leaf()) T(std::forward<U>(x));
  475|  50.2k|        }
  476|  50.2k|        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|  50.2k|        return p;
  481|  50.2k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13do_copy_innerEPSB_SC_j:
  558|  1.24M|    {
  559|  1.24M|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|  1.24M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (559:9): [True: 1.24M, False: 0]
  ------------------
  560|  1.24M|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  1.24M|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (560:9): [True: 1.24M, False: 0]
  ------------------
  561|  1.24M|        auto p = src->inner();
  562|  1.24M|        inc_nodes(p, n);
  563|  1.24M|        std::copy(p, p + n, dst->inner());
  564|  1.24M|        return dst;
  565|  1.24M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9inc_nodesEPPSB_j:
  970|  25.4M|    {
  971|   117M|        for (auto i = p, e = i + n; i != e; ++i)
  ------------------
  |  Branch (971:37): [True: 91.5M, False: 25.4M]
  ------------------
  972|  91.5M|            refs(*i).inc();
  973|  25.4M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14copy_inner_r_nEjPSB_j:
  588|   214k|    {
  589|   214k|        assert(allocn >= n);
  ------------------
  |  Branch (589:9): [True: 214k, False: 0]
  ------------------
  590|   214k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   214k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (590:9): [True: 214k, False: 0]
  ------------------
  591|   214k|        auto dst = make_inner_r_n(allocn);
  592|   214k|        return do_copy_inner_r(dst, src, n);
  593|   214k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15do_copy_inner_rEPSB_SC_j:
  610|   260k|    {
  611|   260k|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|   260k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (611:9): [True: 260k, False: 0]
  ------------------
  612|   260k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   260k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (612:9): [True: 260k, False: 0]
  ------------------
  613|   260k|        auto src_r = src->relaxed();
  614|   260k|        auto dst_r = dst->relaxed();
  615|   260k|        inc_nodes(src->inner(), n);
  616|   260k|        std::copy(src->inner(), src->inner() + n, dst->inner());
  617|   260k|        std::copy(src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  618|   260k|        dst_r->d.count = n;
  619|   260k|        return dst;
  620|   260k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14make_inner_r_nEj:
  243|  33.6M|    {
  244|  33.6M|        assert(n <= branches<B>);
  ------------------
  |  Branch (244:9): [True: 33.6M, False: 0]
  ------------------
  245|  33.6M|        auto mp = heap::allocate(sizeof_inner_r_n(n));
  246|  33.6M|        auto mr = static_cast<void*>(nullptr);
  247|  33.6M|        if (embed_relaxed) {
  ------------------
  |  Branch (247:13): [True: 33.6M, Folded]
  ------------------
  248|  33.6M|            mr = reinterpret_cast<unsigned char*>(mp) + sizeof_inner_n(n);
  249|  33.6M|        } 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|  33.6M|        auto p                       = new (mp) node_t;
  259|  33.6M|        auto r                       = new (mr) relaxed_t;
  260|  33.6M|        r->d.count                   = 0;
  261|  33.6M|        p->impl.d.data.inner.relaxed = r;
  262|  33.6M|#if IMMER_TAGGED_NODE
  263|  33.6M|        p->impl.d.kind = node_t::kind_t::inner;
  264|  33.6M|#endif
  265|  33.6M|        return p;
  266|  33.6M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9make_pathEjPSB_:
  498|   437k|    {
  499|   437k|        IMMER_ASSERT_TAGGED(node->kind() == kind_t::leaf);
  ------------------
  |  |   68|   437k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (499:9): [True: 437k, False: 0]
  ------------------
  500|   437k|        if (shift == endshift<B, BL>)
  ------------------
  |  Branch (500:13): [True: 363k, False: 73.9k]
  ------------------
  501|   363k|            return node;
  502|  73.9k|        else {
  503|  73.9k|            auto n = node_t::make_inner_n(1);
  504|  73.9k|            IMMER_TRY {
  ------------------
  |  |   49|  73.9k|#define IMMER_TRY try
  ------------------
  505|  73.9k|                n->inner()[0] = make_path(shift - B, node);
  506|  73.9k|            }
  507|  73.9k|            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|  73.9k|            return n;
  512|  73.9k|        }
  513|   437k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12make_inner_nEj:
  224|  1.36M|    {
  225|  1.36M|        assert(n <= branches<B>);
  ------------------
  |  Branch (225:9): [True: 1.36M, False: 0]
  ------------------
  226|  1.36M|        auto m = heap::allocate(sizeof_inner_n(n));
  227|  1.36M|        return make_inner_n_into(m, sizeof_inner_n(n), n);
  228|  1.36M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9copy_leafEPSB_j:
  666|   182k|    {
  667|   182k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   182k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (667:9): [True: 182k, False: 0]
  ------------------
  668|   182k|        auto dst = make_leaf_n(n);
  669|   182k|        IMMER_TRY {
  ------------------
  |  |   49|   182k|#define IMMER_TRY try
  ------------------
  670|   182k|            detail::uninitialized_copy(
  671|   182k|                src->leaf(), src->leaf() + n, dst->leaf());
  672|   182k|        }
  673|   182k|        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|   182k|        return dst;
  678|   182k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15make_inner_sr_nEjPNS0_3csl6memberINSB_14relaxed_data_tEvE4typeE:
  269|   198k|    {
  270|   198k|        return static_if<embed_relaxed, node_t*>(
  271|   198k|            [&](auto) { return node_t::make_inner_r_n(n); },
  272|   198k|            [&](auto) {
  273|   198k|                auto p =
  274|   198k|                    new (heap::allocate(node_t::sizeof_inner_r_n(n))) node_t;
  275|   198k|                assert(r->d.count >= n);
  276|   198k|                node_t::refs(r).inc();
  277|   198k|                p->impl.d.data.inner.relaxed = r;
  278|   198k|#if IMMER_TAGGED_NODE
  279|   198k|                p->impl.d.kind = node_t::kind_t::inner;
  280|   198k|#endif
  281|   198k|                return p;
  282|   198k|            });
  283|   198k|    }
_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|   198k|            [&](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|   198k|    {
  653|   198k|        if (embed_relaxed)
  ------------------
  |  Branch (653:13): [True: 198k, Folded]
  ------------------
  654|   198k|            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|   198k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE23do_copy_inner_replace_rEPSB_SC_jjSC_:
  624|   198k|    {
  625|   198k|        IMMER_ASSERT_TAGGED(dst->kind() == kind_t::inner);
  ------------------
  |  |   68|   198k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (625:9): [True: 198k, False: 0]
  ------------------
  626|   198k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|   198k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (626:9): [True: 198k, False: 0]
  ------------------
  627|   198k|        auto src_r = src->relaxed();
  628|   198k|        auto dst_r = dst->relaxed();
  629|   198k|        auto p     = src->inner();
  630|   198k|        inc_nodes(p, offset);
  631|   198k|        inc_nodes(p + offset + 1, n - offset - 1);
  632|   198k|        std::copy(src->inner(), src->inner() + n, dst->inner());
  633|   198k|        std::copy(src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  634|   198k|        dst_r->d.count       = n;
  635|   198k|        dst->inner()[offset] = child;
  636|   198k|        return dst;
  637|   198k|    }
_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|  11.8k|    {
  544|  11.8k|        assert(allocn >= n);
  ------------------
  |  Branch (544:9): [True: 11.8k, False: 0]
  ------------------
  545|  11.8k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  11.8k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (545:9): [True: 11.8k, False: 0]
  ------------------
  546|  11.8k|        auto dst = make_inner_n(allocn);
  547|  11.8k|        return do_copy_inner(dst, src, n);
  548|  11.8k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12copy_inner_rEPSB_j:
  581|  4.03k|    {
  582|  4.03k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  4.03k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (582:9): [True: 4.03k, False: 0]
  ------------------
  583|  4.03k|        auto dst = make_inner_r_n(n);
  584|  4.03k|        return do_copy_inner_r(dst, src, n);
  585|  4.03k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13compute_shiftEv:
  977|  3.47M|    {
  978|  3.47M|        if (kind() == kind_t::leaf)
  ------------------
  |  Branch (978:13): [True: 323k, False: 3.15M]
  ------------------
  979|   323k|            return endshift<B, BL>;
  980|  3.15M|        else
  981|  3.15M|            return B + inner()[0]->compute_shift();
  982|  3.47M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5checkEjm:
  986|   323k|    {
  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|   323k|        return true;
 1023|   323k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9copy_leafEPSB_jj:
  778|   276k|    {
  779|   276k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   276k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (779:9): [True: 276k, False: 0]
  ------------------
  780|   276k|        auto dst = make_leaf_n(last - idx);
  781|   276k|        IMMER_TRY {
  ------------------
  |  |   49|   276k|#define IMMER_TRY try
  ------------------
  782|   276k|            detail::uninitialized_copy(
  783|   276k|                src->leaf() + idx, src->leaf() + last, dst->leaf());
  784|   276k|        }
  785|   276k|        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|   276k|        return dst;
  790|   276k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9copy_leafEPSB_jSC_j:
  712|   266k|    {
  713|   266k|        IMMER_ASSERT_TAGGED(src1->kind() == kind_t::leaf);
  ------------------
  |  |   68|   266k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (713:9): [True: 266k, False: 0]
  ------------------
  714|   266k|        IMMER_ASSERT_TAGGED(src2->kind() == kind_t::leaf);
  ------------------
  |  |   68|   266k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (714:9): [True: 266k, False: 0]
  ------------------
  715|   266k|        auto dst = make_leaf_n(n1 + n2);
  716|   266k|        IMMER_TRY {
  ------------------
  |  |   49|   266k|#define IMMER_TRY try
  ------------------
  717|   266k|            detail::uninitialized_copy(
  718|   266k|                src1->leaf(), src1->leaf() + n1, dst->leaf());
  719|   266k|        }
  720|   266k|        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|   266k|        IMMER_TRY {
  ------------------
  |  |   49|   266k|#define IMMER_TRY try
  ------------------
  725|   266k|            detail::uninitialized_copy(
  726|   266k|                src2->leaf(), src2->leaf() + n2, dst->leaf() + n1);
  727|   266k|        }
  728|   266k|        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|   266k|        return dst;
  734|   266k|    }
_ZNK5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10can_mutateENS9_5applyIS6_E4type4editE:
  870|  2.54M|    {
  871|  2.54M|        return refs(this).unique() || ownee(this).can_mutate(e);
  ------------------
  |  Branch (871:16): [True: 2.28M, False: 267k]
  |  Branch (871:39): [True: 0, False: 267k]
  ------------------
  872|  2.54M|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5owneeEPKSB_:
  207|   267k|    {
  208|   267k|        return get<ownee_t>(x->impl);
  209|   267k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_j:
  681|  43.9k|    {
  682|  43.9k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|  43.9k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (682:9): [True: 43.9k, False: 0]
  ------------------
  683|  43.9k|        auto dst = make_leaf_e(e);
  684|  43.9k|        IMMER_TRY {
  ------------------
  |  |   49|  43.9k|#define IMMER_TRY try
  ------------------
  685|  43.9k|            detail::uninitialized_copy(
  686|  43.9k|                src->leaf(), src->leaf() + n, dst->leaf());
  687|  43.9k|        }
  688|  43.9k|        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|  43.9k|        return dst;
  693|  43.9k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_leaf_eENS9_5applyIS6_E4type4editE:
  348|   396k|    {
  349|   396k|        auto p   = new (heap::allocate(max_sizeof_leaf)) node_t;
  350|   396k|        ownee(p) = e;
  351|   396k|#if IMMER_TAGGED_NODE
  352|   396k|        p->impl.d.kind = node_t::kind_t::leaf;
  353|   396k|#endif
  354|   396k|        return p;
  355|   396k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_leaf_eIiEEPSB_NS9_5applyIS6_E4type4editEOT_:
  485|  9.90k|    {
  486|  9.90k|        auto p = make_leaf_e(e);
  487|  9.90k|        IMMER_TRY {
  ------------------
  |  |   49|  9.90k|#define IMMER_TRY try
  ------------------
  488|  9.90k|            new (p->leaf()) T(std::forward<U>(x));
  489|  9.90k|        }
  490|  9.90k|        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|  9.90k|        return p;
  495|  9.90k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE24ensure_mutable_relaxed_nENS9_5applyIS6_E4type4editEj:
  930|   181k|    {
  931|   181k|        auto src_r = relaxed();
  932|   181k|        return static_if<embed_relaxed, relaxed_t*>(
  933|   181k|            [&](auto) { return src_r; },
  934|   181k|            [&](auto) {
  935|   181k|                if (node_t::refs(src_r).unique() ||
  936|   181k|                    node_t::ownee(src_r).can_mutate(e))
  937|   181k|                    return src_r;
  938|   181k|                else {
  939|   181k|                    auto dst_r =
  940|   181k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  941|   181k|                    if (src_r) {
  942|   181k|                        std::copy(
  943|   181k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  944|   181k|                        if (node_t::refs(src_r).dec())
  945|   181k|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  946|   181k|                                             src_r);
  947|   181k|                    }
  948|   181k|                    dst_r->d.count                   = n;
  949|   181k|                    node_t::ownee(dst_r)             = e;
  950|   181k|                    return impl.d.data.inner.relaxed = dst_r;
  951|   181k|                }
  952|   181k|            });
  953|   181k|    }
_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|   181k|            [&](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|  17.1k|    {
  597|  17.1k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  17.1k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (597:9): [True: 17.1k, False: 0]
  ------------------
  598|  17.1k|        auto dst = make_inner_r_e(e);
  599|  17.1k|        return do_copy_inner_r(dst, src, n);
  600|  17.1k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14make_inner_r_eENS9_5applyIS6_E4type4editE:
  286|   136k|    {
  287|   136k|        auto mp = heap::allocate(max_sizeof_inner_r);
  288|   136k|        auto mr = static_cast<void*>(nullptr);
  289|   136k|        if (embed_relaxed) {
  ------------------
  |  Branch (289:13): [True: 136k, Folded]
  ------------------
  290|   136k|            mr = reinterpret_cast<unsigned char*>(mp) + max_sizeof_inner;
  291|   136k|        } 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|   136k|        auto p   = new (mp) node_t;
  301|   136k|        auto r   = new (mr) relaxed_t;
  302|   136k|        ownee(p) = e;
  303|   136k|        static_if<!embed_relaxed>([&](auto) { node_t::ownee(r) = e; });
  304|   136k|        r->d.count                   = 0;
  305|   136k|        p->impl.d.data.inner.relaxed = r;
  306|   136k|#if IMMER_TAGGED_NODE
  307|   136k|        p->impl.d.kind = node_t::kind_t::inner;
  308|   136k|#endif
  309|   136k|        return p;
  310|   136k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11make_path_eENS9_5applyIS6_E4type4editEjPSB_:
  516|   403k|    {
  517|   403k|        IMMER_ASSERT_TAGGED(node->kind() == kind_t::leaf);
  ------------------
  |  |   68|   403k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (517:9): [True: 403k, False: 0]
  ------------------
  518|   403k|        if (shift == endshift<B, BL>)
  ------------------
  |  Branch (518:13): [True: 349k, False: 53.7k]
  ------------------
  519|   349k|            return node;
  520|  53.7k|        else {
  521|  53.7k|            auto n = node_t::make_inner_e(e);
  522|  53.7k|            IMMER_TRY {
  ------------------
  |  |   49|  53.7k|#define IMMER_TRY try
  ------------------
  523|  53.7k|                n->inner()[0] = make_path_e(e, shift - B, node);
  524|  53.7k|            }
  525|  53.7k|            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|  53.7k|            return n;
  530|  53.7k|        }
  531|   403k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12make_inner_eENS9_5applyIS6_E4type4editE:
  231|  85.7k|    {
  232|  85.7k|        auto m                       = heap::allocate(max_sizeof_inner);
  233|  85.7k|        auto p                       = new (m) node_t;
  234|  85.7k|        ownee(p)                     = e;
  235|  85.7k|        p->impl.d.data.inner.relaxed = nullptr;
  236|  85.7k|#if IMMER_TAGGED_NODE
  237|  85.7k|        p->impl.d.kind = node_t::kind_t::inner;
  238|  85.7k|#endif
  239|  85.7k|        return p;
  240|  85.7k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE12copy_inner_eENS9_5applyIS6_E4type4editEPSB_j:
  551|  18.6k|    {
  552|  18.6k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  18.6k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (552:9): [True: 18.6k, False: 0]
  ------------------
  553|  18.6k|        auto dst = make_inner_e(e);
  554|  18.6k|        return do_copy_inner(dst, src, n);
  555|  18.6k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE15copy_inner_sr_eENS9_5applyIS6_E4type4editEPSB_j:
  603|  25.5k|    {
  604|  25.5k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::inner);
  ------------------
  |  |   68|  25.5k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (604:9): [True: 25.5k, False: 0]
  ------------------
  605|  25.5k|        auto dst = make_inner_sr_e(e, src->relaxed());
  606|  25.5k|        return do_copy_inner_sr(dst, src, n);
  607|  25.5k|    }
_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|  25.5k|    {
  314|  25.5k|        return static_if<embed_relaxed, node_t*>(
  315|  25.5k|            [&](auto) { return node_t::make_inner_r_e(e); },
  316|  25.5k|            [&](auto) {
  317|  25.5k|                auto p =
  318|  25.5k|                    new (heap::allocate(node_t::max_sizeof_inner_r)) node_t;
  319|  25.5k|                node_t::refs(r).inc();
  320|  25.5k|                p->impl.d.data.inner.relaxed = r;
  321|  25.5k|                node_t::ownee(p)             = e;
  322|  25.5k|#if IMMER_TAGGED_NODE
  323|  25.5k|                p->impl.d.kind = node_t::kind_t::inner;
  324|  25.5k|#endif
  325|  25.5k|                return p;
  326|  25.5k|            });
  327|  25.5k|    }
_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|  25.5k|            [&](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|  25.5k|    {
  641|  25.5k|        if (embed_relaxed)
  ------------------
  |  Branch (641:13): [True: 25.5k, Folded]
  ------------------
  642|  25.5k|            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|  25.5k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11copy_leaf_eENS9_5applyIS6_E4type4editEPSB_jj:
  763|   342k|    {
  764|   342k|        IMMER_ASSERT_TAGGED(src->kind() == kind_t::leaf);
  ------------------
  |  |   68|   342k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (764:9): [True: 342k, False: 0]
  ------------------
  765|   342k|        auto dst = make_leaf_e(e);
  766|   342k|        IMMER_TRY {
  ------------------
  |  |   49|   342k|#define IMMER_TRY try
  ------------------
  767|   342k|            detail::uninitialized_copy(
  768|   342k|                src->leaf() + idx, src->leaf() + last, dst->leaf());
  769|   342k|        }
  770|   342k|        IMMER_CATCH (...) {
  771|      0|            heap::deallocate(max_sizeof_leaf, dst);
  772|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  773|      0|        }
  774|   342k|        return dst;
  775|   342k|    }
_ZN5immer6detail4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE22ensure_mutable_relaxedENS9_5applyIS6_E4type4editE:
  877|   162k|    {
  878|   162k|        auto src_r = relaxed();
  879|   162k|        return static_if<embed_relaxed, relaxed_t*>(
  880|   162k|            [&](auto) { return src_r; },
  881|   162k|            [&](auto) {
  882|   162k|                if (node_t::refs(src_r).unique() ||
  883|   162k|                    node_t::ownee(src_r).can_mutate(e))
  884|   162k|                    return src_r;
  885|   162k|                else {
  886|   162k|                    auto dst_r = impl.d.data.inner.relaxed =
  887|   162k|                        new (heap::allocate(max_sizeof_relaxed)) relaxed_t;
  888|   162k|                    if (src_r) {
  889|   162k|                        auto n = dst_r->d.count = src_r->d.count;
  890|   162k|                        std::copy(
  891|   162k|                            src_r->d.sizes, src_r->d.sizes + n, dst_r->d.sizes);
  892|   162k|                        if (node_t::refs(src_r).dec())
  893|   162k|                            heap::deallocate(node_t::sizeof_inner_r_n(n),
  894|   162k|                                             src_r);
  895|   162k|                    }
  896|   162k|                    node_t::ownee(dst_r) = e;
  897|   162k|                    return dst_r;
  898|   162k|                }
  899|   162k|            });
  900|   162k|    }
_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|   162k|            [&](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|    655|    {
  739|    655|        IMMER_ASSERT_TAGGED(src1->kind() == kind_t::leaf);
  ------------------
  |  |   68|    655|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (739:9): [True: 655, False: 0]
  ------------------
  740|    655|        IMMER_ASSERT_TAGGED(src2->kind() == kind_t::leaf);
  ------------------
  |  |   68|    655|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (740:9): [True: 655, False: 0]
  ------------------
  741|    655|        auto dst = make_leaf_e(e);
  742|    655|        IMMER_TRY {
  ------------------
  |  |   49|    655|#define IMMER_TRY try
  ------------------
  743|    655|            detail::uninitialized_copy(
  744|    655|                src1->leaf(), src1->leaf() + n1, dst->leaf());
  745|    655|        }
  746|    655|        IMMER_CATCH (...) {
  747|      0|            heap::deallocate(max_sizeof_leaf, dst);
  748|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  749|      0|        }
  750|    655|        IMMER_TRY {
  ------------------
  |  |   49|    655|#define IMMER_TRY try
  ------------------
  751|    655|            detail::uninitialized_copy(
  752|    655|                src2->leaf(), src2->leaf() + n2, dst->leaf() + n1);
  753|    655|        }
  754|    655|        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|    655|        return dst;
  760|    655|    }

_ZN5immer6detail4rbts11dec_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  523|   168M|    {
  524|   168M|        using node_t = node_type<Pos>;
  525|   168M|        auto node    = p.node();
  526|   168M|        if (node->dec()) {
  ------------------
  |  Branch (526:13): [True: 33.7M, False: 134M]
  ------------------
  527|  33.7M|            p.each(this_t{});
  528|  33.7M|            node_t::delete_inner_r(node, p.count());
  529|  33.7M|        }
  530|   168M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  14.7M|    {
  535|  14.7M|        using node_t = node_type<Pos>;
  536|  14.7M|        auto node    = p.node();
  537|  14.7M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 432k, False: 14.2M]
  ------------------
  538|   432k|            p.each(this_t{});
  539|   432k|            node_t::delete_inner(node, p.count());
  540|   432k|        }
  541|  14.7M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  1.66M|    {
  546|  1.66M|        using node_t = node_type<Pos>;
  547|  1.66M|        auto node    = p.node();
  548|  1.66M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 557k, False: 1.11M]
  ------------------
  549|   557k|            node_t::delete_leaf(node, p.count());
  550|   557k|        }
  551|  1.66M|    }
_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: 56.2k, False: 341k]
  ------------------
  549|  56.2k|            node_t::delete_leaf(node, p.count());
  550|  56.2k|        }
  551|   397k|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  2.85M|    {
  535|  2.85M|        using node_t = node_type<Pos>;
  536|  2.85M|        auto node    = p.node();
  537|  2.85M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 94.8k, False: 2.76M]
  ------------------
  538|  94.8k|            p.each(this_t{});
  539|  94.8k|            node_t::delete_inner(node, p.count());
  540|  94.8k|        }
  541|  2.85M|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|   962k|    {
  535|   962k|        using node_t = node_type<Pos>;
  536|   962k|        auto node    = p.node();
  537|   962k|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 914k, False: 48.9k]
  ------------------
  538|   914k|            p.each(this_t{});
  539|   914k|            node_t::delete_inner(node, p.count());
  540|   914k|        }
  541|   962k|    }
_ZN5immer6detail4rbts11dec_visitor13visit_regularIRNS1_17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  534|  1.46M|    {
  535|  1.46M|        using node_t = node_type<Pos>;
  536|  1.46M|        auto node    = p.node();
  537|  1.46M|        if (node->dec()) {
  ------------------
  |  Branch (537:13): [True: 0, False: 1.46M]
  ------------------
  538|      0|            p.each(this_t{});
  539|      0|            node_t::delete_inner(node, p.count());
  540|      0|        }
  541|  1.46M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  58.5M|    {
  546|  58.5M|        using node_t = node_type<Pos>;
  547|  58.5M|        auto node    = p.node();
  548|  58.5M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 979k, False: 57.5M]
  ------------------
  549|   979k|            node_t::delete_leaf(node, p.count());
  550|   979k|        }
  551|  58.5M|    }
_ZN5immer6detail4rbts11dec_visitor10visit_leafIRNS1_14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_:
  545|  1.32M|    {
  546|  1.32M|        using node_t = node_type<Pos>;
  547|  1.32M|        auto node    = p.node();
  548|  1.32M|        if (node->dec()) {
  ------------------
  |  Branch (548:13): [True: 0, False: 1.32M]
  ------------------
  549|      0|            node_t::delete_leaf(node, p.count());
  550|      0|        }
  551|  1.32M|    }
_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|   215k|    {
  792|   215k|        auto level    = pos.shift();
  793|   215k|        auto idx      = pos.count() - 1;
  794|   215k|        auto children = pos.size(idx);
  795|   215k|        auto new_idx =
  796|   215k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (796:13): [True: 13.7k, False: 201k]
  |  Branch (796:47): [True: 682, False: 200k]
  ------------------
  797|   215k|        auto new_child = static_cast<node_t*>(nullptr);
  798|   215k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (798:13): [True: 4.06k, False: 211k]
  ------------------
  799|  4.06k|            return nullptr;
  800|   211k|        else if (idx == new_idx) {
  ------------------
  |  Branch (800:18): [True: 200k, False: 10.3k]
  ------------------
  801|   200k|            new_child = pos.last_oh_csh(this_t{}, idx, children, tail, ts);
  802|   200k|            if (!new_child) {
  ------------------
  |  Branch (802:17): [True: 4.75k, False: 196k]
  ------------------
  803|  4.75k|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (803:21): [True: 2.14k, False: 2.61k]
  ------------------
  804|  2.14k|                    new_child = node_t::make_path(level - B, tail);
  805|  2.61k|                else
  806|  2.61k|                    return nullptr;
  807|  4.75k|            }
  808|   200k|        } else
  809|  10.3k|            new_child = node_t::make_path(level - B, tail);
  810|   208k|        IMMER_TRY {
  ------------------
  |  |   49|   208k|#define IMMER_TRY try
  ------------------
  811|   208k|            auto count = new_idx + 1;
  812|   208k|            auto new_parent =
  813|   208k|                node_t::copy_inner_r_n(count, pos.node(), new_idx);
  814|   208k|            auto new_relaxed              = new_parent->relaxed();
  815|   208k|            new_parent->inner()[new_idx]  = new_child;
  816|   208k|            new_relaxed->d.sizes[new_idx] = pos.size() + ts;
  817|   208k|            new_relaxed->d.count          = count;
  818|   208k|            assert(new_relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (818:13): [True: 208k, False: 0]
  ------------------
  819|   208k|            return new_parent;
  820|   208k|        }
  821|   208k|        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|   208k|    }
_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|  46.1k|    {
  835|  46.1k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 46.1k, False: 0]
  ------------------
  836|  46.1k|        auto idx        = pos.index(pos.size() - 1);
  837|  46.1k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|  46.1k|        auto count      = new_idx + 1;
  839|  46.1k|        auto new_parent = node_t::make_inner_n(count);
  840|  46.1k|        IMMER_TRY {
  ------------------
  |  |   49|  46.1k|#define IMMER_TRY try
  ------------------
  841|  46.1k|            new_parent->inner()[new_idx] =
  842|  46.1k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 36.4k, False: 9.65k]
  ------------------
  843|       |                               /* otherwise */
  844|  46.1k|                               : node_t::make_path(pos.shift() - B, tail);
  845|  46.1k|        }
  846|  46.1k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|  46.1k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|  46.1k|    }
_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|   872k|    {
  835|   872k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 872k, False: 0]
  ------------------
  836|   872k|        auto idx        = pos.index(pos.size() - 1);
  837|   872k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|   872k|        auto count      = new_idx + 1;
  839|   872k|        auto new_parent = node_t::make_inner_n(count);
  840|   872k|        IMMER_TRY {
  ------------------
  |  |   49|   872k|#define IMMER_TRY try
  ------------------
  841|   872k|            new_parent->inner()[new_idx] =
  842|   872k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 570k, False: 302k]
  ------------------
  843|       |                               /* otherwise */
  844|   872k|                               : node_t::make_path(pos.shift() - B, tail);
  845|   872k|        }
  846|   872k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|   872k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|   872k|    }
_ZN5immer6detail4rbts9dec_innerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEvPT_jm:
  562|    441|{
  563|    441|    visit_maybe_relaxed_sub(node, shift, size, dec_visitor());
  564|    441|}
_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|   286k|    {
  835|   286k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (835:9): [True: 286k, False: 0]
  ------------------
  836|   286k|        auto idx        = pos.index(pos.size() - 1);
  837|   286k|        auto new_idx    = pos.index(pos.size() + branches<BL> - 1);
  838|   286k|        auto count      = new_idx + 1;
  839|   286k|        auto new_parent = node_t::make_inner_n(count);
  840|   286k|        IMMER_TRY {
  ------------------
  |  |   49|   286k|#define IMMER_TRY try
  ------------------
  841|   286k|            new_parent->inner()[new_idx] =
  842|   286k|                idx == new_idx ? pos.last_oh(this_t{}, idx, tail)
  ------------------
  |  Branch (842:17): [True: 265k, False: 20.3k]
  ------------------
  843|       |                               /* otherwise */
  844|   286k|                               : node_t::make_path(pos.shift() - B, tail);
  845|   286k|        }
  846|   286k|        IMMER_CATCH (...) {
  847|      0|            node_t::delete_inner(new_parent, count);
  848|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  849|      0|        }
  850|   286k|        return node_t::do_copy_inner(new_parent, pos.node(), new_idx);
  851|   286k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|   114k|    {
  503|   114k|        auto offset = pos.index(idx);
  504|   114k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|   114k|        IMMER_TRY {
  ------------------
  |  |   49|   114k|#define IMMER_TRY try
  ------------------
  506|   114k|            node->leaf()[offset] =
  507|   114k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|   114k|            return node;
  509|   114k|        }
  510|   114k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|   114k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE13visit_relaxedIRNS1_11relaxed_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  466|   198k|    {
  467|   198k|        auto offset = pos.index(idx);
  468|   198k|        auto count  = pos.count();
  469|   198k|        auto node   = node_t::make_inner_sr_n(count, pos.relaxed());
  470|   198k|        IMMER_TRY {
  ------------------
  |  |   49|   198k|#define IMMER_TRY try
  ------------------
  471|   198k|            auto child = pos.towards_oh(this_t{}, idx, offset, fn);
  472|   198k|            node_t::do_copy_inner_replace_sr(
  473|   198k|                node, pos.node(), count, offset, child);
  474|   198k|            return node;
  475|   198k|        }
  476|   198k|        IMMER_CATCH (...) {
  477|      0|            node_t::delete_inner_r(node, count);
  478|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  479|      0|        }
  480|   198k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  55.1k|    {
  485|  55.1k|        auto offset = pos.index(idx);
  486|  55.1k|        auto count  = pos.count();
  487|  55.1k|        auto node   = node_t::make_inner_n(count);
  488|  55.1k|        IMMER_TRY {
  ------------------
  |  |   49|  55.1k|#define IMMER_TRY try
  ------------------
  489|  55.1k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  55.1k|            node_t::do_copy_inner_replace(
  491|  55.1k|                node, pos.node(), count, offset, child);
  492|  55.1k|            return node;
  493|  55.1k|        }
  494|  55.1k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  55.1k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_13full_leaf_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|  12.6k|    {
  503|  12.6k|        auto offset = pos.index(idx);
  504|  12.6k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|  12.6k|        IMMER_TRY {
  ------------------
  |  |   49|  12.6k|#define IMMER_TRY try
  ------------------
  506|  12.6k|            node->leaf()[offset] =
  507|  12.6k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|  12.6k|            return node;
  509|  12.6k|        }
  510|  12.6k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|  12.6k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  484|  12.4k|    {
  485|  12.4k|        auto offset = pos.index(idx);
  486|  12.4k|        auto count  = pos.count();
  487|  12.4k|        auto node   = node_t::make_inner_n(count);
  488|  12.4k|        IMMER_TRY {
  ------------------
  |  |   49|  12.4k|#define IMMER_TRY try
  ------------------
  489|  12.4k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  12.4k|            node_t::do_copy_inner_replace(
  491|  12.4k|                node, pos.node(), count, offset, child);
  492|  12.4k|            return node;
  493|  12.4k|        }
  494|  12.4k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  12.4k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts14update_visitorINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10visit_leafIRNS1_8leaf_posISC_EERZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEPSC_OSL_mOT0_:
  502|  42.5k|    {
  503|  42.5k|        auto offset = pos.index(idx);
  504|  42.5k|        auto node   = node_t::copy_leaf(pos.node(), pos.count());
  505|  42.5k|        IMMER_TRY {
  ------------------
  |  |   49|  42.5k|#define IMMER_TRY try
  ------------------
  506|  42.5k|            node->leaf()[offset] =
  507|  42.5k|                std::forward<Fn>(fn)(std::move(node->leaf()[offset]));
  508|  42.5k|            return node;
  509|  42.5k|        }
  510|  42.5k|        IMMER_CATCH (...) {
  511|      0|            node_t::delete_leaf(node, pos.count());
  512|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  513|      0|        }
  514|  42.5k|    }
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|  4.16k|    {
  485|  4.16k|        auto offset = pos.index(idx);
  486|  4.16k|        auto count  = pos.count();
  487|  4.16k|        auto node   = node_t::make_inner_n(count);
  488|  4.16k|        IMMER_TRY {
  ------------------
  |  |   49|  4.16k|#define IMMER_TRY try
  ------------------
  489|  4.16k|            auto child = pos.towards_oh_ch(this_t{}, idx, offset, count, fn);
  490|  4.16k|            node_t::do_copy_inner_replace(
  491|  4.16k|                node, pos.node(), count, offset, child);
  492|  4.16k|            return node;
  493|  4.16k|        }
  494|  4.16k|        IMMER_CATCH (...) {
  495|      0|            node_t::delete_inner(node, count);
  496|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  497|      0|        }
  498|  4.16k|    }
_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|  34.9k|    {
 1097|  34.9k|        auto idx = pos.index(last);
 1098|  34.9k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1098:13): [True: 34.9k, Folded]
  |  Branch (1098:25): [True: 27.0k, False: 7.89k]
  ------------------
 1099|  27.0k|            return pos.towards_oh(this_t{}, last, idx);
 1100|  27.0k|        } else {
 1101|  7.89k|            using std::get;
 1102|  7.89k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1103|  7.89k|            auto next = get<1>(subs);
 1104|  7.89k|            auto ts   = get<2>(subs);
 1105|  7.89k|            auto tail = get<3>(subs);
 1106|  7.89k|            IMMER_TRY {
  ------------------
  |  |   49|  7.89k|#define IMMER_TRY try
  ------------------
 1107|  7.89k|                if (next) {
  ------------------
  |  Branch (1107:21): [True: 4.53k, False: 3.35k]
  ------------------
 1108|  4.53k|                    auto count = idx + 1;
 1109|  4.53k|                    auto newn  = node_t::copy_inner_r_n(count, pos.node(), idx);
 1110|  4.53k|                    auto newr  = newn->relaxed();
 1111|  4.53k|                    newn->inner()[idx] = next;
 1112|  4.53k|                    newr->d.sizes[idx] = last + 1 - ts;
 1113|  4.53k|                    newr->d.count      = count;
 1114|  4.53k|                    assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (1114:21): [True: 4.53k, False: 0]
  ------------------
 1115|  4.53k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1116|  4.53k|                } else if (idx == 0) {
  ------------------
  |  Branch (1116:28): [True: 0, False: 3.35k]
  ------------------
 1117|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1118|  3.35k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1118:28): [True: 3.35k, Folded]
  |  Branch (1118:40): [True: 1.60k, False: 1.75k]
  |  Branch (1118:52): [True: 1.01k, False: 589]
  ------------------
 1119|  1.01k|                    auto newn = pos.node()->inner()[0];
 1120|  1.01k|                    return std::make_tuple(
 1121|  1.01k|                        pos.shift() - B, newn->inc(), ts, tail);
 1122|  2.33k|                } else {
 1123|  2.33k|                    auto newn = node_t::copy_inner_r(pos.node(), idx);
 1124|  2.33k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1125|  2.33k|                }
 1126|  7.89k|            }
 1127|  7.89k|            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|  7.89k|        }
 1138|  34.9k|    }
_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|  1.77k|    {
 1182|  1.77k|        auto old_tail_size = pos.count();
 1183|  1.77k|        auto new_tail_size = pos.index(last) + 1;
 1184|  1.77k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 507, False: 1.26k]
  ------------------
 1185|  1.77k|                                 ? pos.node()->inc()
 1186|  1.77k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  1.77k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  1.77k|    }
_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|  4.45k|    {
 1182|  4.45k|        auto old_tail_size = pos.count();
 1183|  4.45k|        auto new_tail_size = pos.index(last) + 1;
 1184|  4.45k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.51k, False: 2.93k]
  ------------------
 1185|  4.45k|                                 ? pos.node()->inc()
 1186|  4.45k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  4.45k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  4.45k|    }
_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|  3.84k|    {
 1097|  3.84k|        auto idx = pos.index(last);
 1098|  3.84k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1098:13): [Folded, False: 3.84k]
  |  Branch (1098:25): [True: 0, False: 0]
  ------------------
 1099|      0|            return pos.towards_oh(this_t{}, last, idx);
 1100|  3.84k|        } else {
 1101|  3.84k|            using std::get;
 1102|  3.84k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1103|  3.84k|            auto next = get<1>(subs);
 1104|  3.84k|            auto ts   = get<2>(subs);
 1105|  3.84k|            auto tail = get<3>(subs);
 1106|  3.84k|            IMMER_TRY {
  ------------------
  |  |   49|  3.84k|#define IMMER_TRY try
  ------------------
 1107|  3.84k|                if (next) {
  ------------------
  |  Branch (1107:21): [True: 948, False: 2.89k]
  ------------------
 1108|    948|                    auto count = idx + 1;
 1109|    948|                    auto newn  = node_t::copy_inner_r_n(count, pos.node(), idx);
 1110|    948|                    auto newr  = newn->relaxed();
 1111|    948|                    newn->inner()[idx] = next;
 1112|    948|                    newr->d.sizes[idx] = last + 1 - ts;
 1113|    948|                    newr->d.count      = count;
 1114|    948|                    assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (1114:21): [True: 948, False: 0]
  ------------------
 1115|    948|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1116|  2.89k|                } else if (idx == 0) {
  ------------------
  |  Branch (1116:28): [True: 1.20k, False: 1.69k]
  ------------------
 1117|  1.20k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1118|  1.69k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1118:28): [Folded, False: 1.69k]
  |  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|  1.69k|                } else {
 1123|  1.69k|                    auto newn = node_t::copy_inner_r(pos.node(), idx);
 1124|  1.69k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1125|  1.69k|                }
 1126|  3.84k|            }
 1127|  3.84k|            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|  3.84k|        }
 1138|  3.84k|    }
_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|  3.43k|    {
 1143|  3.43k|        auto idx = pos.index(last);
 1144|  3.43k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 3.43k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  3.43k|        } else {
 1147|  3.43k|            using std::get;
 1148|  3.43k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  3.43k|            auto next = get<1>(subs);
 1150|  3.43k|            auto ts   = get<2>(subs);
 1151|  3.43k|            auto tail = get<3>(subs);
 1152|  3.43k|            IMMER_TRY {
  ------------------
  |  |   49|  3.43k|#define IMMER_TRY try
  ------------------
 1153|  3.43k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 1.84k, False: 1.58k]
  ------------------
 1154|  1.84k|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|  1.84k|                    newn->inner()[idx] = next;
 1156|  1.84k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  1.84k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 591, False: 998]
  ------------------
 1158|    591|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|    998|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 998]
  |  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|    998|                } else {
 1164|    998|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|    998|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|    998|                }
 1167|  3.43k|            }
 1168|  3.43k|            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|  3.43k|        }
 1177|  3.43k|    }
_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|  6.63k|    {
 1182|  6.63k|        auto old_tail_size = pos.count();
 1183|  6.63k|        auto new_tail_size = pos.index(last) + 1;
 1184|  6.63k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.91k, False: 4.72k]
  ------------------
 1185|  6.63k|                                 ? pos.node()->inc()
 1186|  6.63k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  6.63k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  6.63k|    }
_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|  2.37k|    {
 1143|  2.37k|        auto idx = pos.index(last);
 1144|  2.37k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 2.37k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            return pos.towards_oh(this_t{}, last, idx);
 1146|  2.37k|        } else {
 1147|  2.37k|            using std::get;
 1148|  2.37k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.37k|            auto next = get<1>(subs);
 1150|  2.37k|            auto ts   = get<2>(subs);
 1151|  2.37k|            auto tail = get<3>(subs);
 1152|  2.37k|            IMMER_TRY {
  ------------------
  |  |   49|  2.37k|#define IMMER_TRY try
  ------------------
 1153|  2.37k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 263, False: 2.10k]
  ------------------
 1154|    263|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    263|                    newn->inner()[idx] = next;
 1156|    263|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.10k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 431, False: 1.67k]
  ------------------
 1158|    431|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  1.67k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 1.67k]
  |  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|  1.67k|                } else {
 1164|  1.67k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.67k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.67k|                }
 1167|  2.37k|            }
 1168|  2.37k|            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|  2.37k|        }
 1177|  2.37k|    }
_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|  2.59k|    {
 1182|  2.59k|        auto old_tail_size = pos.count();
 1183|  2.59k|        auto new_tail_size = pos.index(last) + 1;
 1184|  2.59k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 1.11k, False: 1.48k]
  ------------------
 1185|  2.59k|                                 ? pos.node()->inc()
 1186|  2.59k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  2.59k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  2.59k|    }
_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|  3.21k|    {
 1143|  3.21k|        auto idx = pos.index(last);
 1144|  3.21k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [Folded, False: 3.21k]
  |  Branch (1144:25): [True: 0, False: 0]
  ------------------
 1145|      0|            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: 968, False: 2.24k]
  ------------------
 1154|    968|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    968|                    newn->inner()[idx] = next;
 1156|    968|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.24k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 946, False: 1.29k]
  ------------------
 1158|    946|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  1.29k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [Folded, False: 1.29k]
  |  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|  1.29k|                } else {
 1164|  1.29k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.29k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.29k|                }
 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|  3.21k|    }
_ZN5immer6detail4rbts8dec_leafINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEvPT_j:
  556|  40.1k|{
  557|  40.1k|    make_leaf_sub_pos(node, n).visit(dec_visitor{});
  558|  40.1k|}
_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|  8.31k|    {
 1143|  8.31k|        auto idx = pos.index(last);
 1144|  8.31k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [True: 8.31k, Folded]
  |  Branch (1144:25): [True: 5.53k, False: 2.77k]
  ------------------
 1145|  5.53k|            return pos.towards_oh(this_t{}, last, idx);
 1146|  5.53k|        } else {
 1147|  2.77k|            using std::get;
 1148|  2.77k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  2.77k|            auto next = get<1>(subs);
 1150|  2.77k|            auto ts   = get<2>(subs);
 1151|  2.77k|            auto tail = get<3>(subs);
 1152|  2.77k|            IMMER_TRY {
  ------------------
  |  |   49|  2.77k|#define IMMER_TRY try
  ------------------
 1153|  2.77k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 728, False: 2.05k]
  ------------------
 1154|    728|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    728|                    newn->inner()[idx] = next;
 1156|    728|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.05k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 0, False: 2.05k]
  ------------------
 1158|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  2.05k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [True: 2.05k, Folded]
  |  Branch (1159:40): [True: 1.45k, False: 599]
  |  Branch (1159:52): [True: 798, False: 653]
  ------------------
 1160|    798|                    auto newn = pos.node()->inner()[0];
 1161|    798|                    return std::make_tuple(
 1162|    798|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  1.25k|                } else {
 1164|  1.25k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  1.25k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  1.25k|                }
 1167|  2.77k|            }
 1168|  2.77k|            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|  2.77k|        }
 1177|  8.31k|    }
_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|  1.77k|    {
 1182|  1.77k|        auto old_tail_size = pos.count();
 1183|  1.77k|        auto new_tail_size = pos.index(last) + 1;
 1184|  1.77k|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 597, False: 1.17k]
  ------------------
 1185|  1.77k|                                 ? pos.node()->inc()
 1186|  1.77k|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|  1.77k|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|  1.77k|    }
_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|  6.09k|    {
 1143|  6.09k|        auto idx = pos.index(last);
 1144|  6.09k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (1144:13): [True: 6.09k, Folded]
  |  Branch (1144:25): [True: 3.07k, False: 3.01k]
  ------------------
 1145|  3.07k|            return pos.towards_oh(this_t{}, last, idx);
 1146|  3.07k|        } else {
 1147|  3.01k|            using std::get;
 1148|  3.01k|            auto subs = pos.towards_oh(no_collapse_t{}, last, idx);
 1149|  3.01k|            auto next = get<1>(subs);
 1150|  3.01k|            auto ts   = get<2>(subs);
 1151|  3.01k|            auto tail = get<3>(subs);
 1152|  3.01k|            IMMER_TRY {
  ------------------
  |  |   49|  3.01k|#define IMMER_TRY try
  ------------------
 1153|  3.01k|                if (next) {
  ------------------
  |  Branch (1153:21): [True: 399, False: 2.61k]
  ------------------
 1154|    399|                    auto newn = node_t::copy_inner_n(idx + 1, pos.node(), idx);
 1155|    399|                    newn->inner()[idx] = next;
 1156|    399|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1157|  2.61k|                } else if (idx == 0) {
  ------------------
  |  Branch (1157:28): [True: 0, False: 2.61k]
  ------------------
 1158|      0|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1159|  2.61k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1159:28): [True: 2.61k, Folded]
  |  Branch (1159:40): [True: 660, False: 1.95k]
  |  Branch (1159:52): [True: 204, False: 456]
  ------------------
 1160|    204|                    auto newn = pos.node()->inner()[0];
 1161|    204|                    return std::make_tuple(
 1162|    204|                        pos.shift() - B, newn->inc(), ts, tail);
 1163|  2.41k|                } else {
 1164|  2.41k|                    auto newn = node_t::copy_inner_n(idx, pos.node(), idx);
 1165|  2.41k|                    return std::make_tuple(pos.shift(), newn, ts, tail);
 1166|  2.41k|                }
 1167|  3.01k|            }
 1168|  3.01k|            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|  3.01k|        }
 1177|  6.09k|    }
_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|    740|    {
 1182|    740|        auto old_tail_size = pos.count();
 1183|    740|        auto new_tail_size = pos.index(last) + 1;
 1184|    740|        auto new_tail      = new_tail_size == old_tail_size
  ------------------
  |  Branch (1184:30): [True: 332, False: 408]
  ------------------
 1185|    740|                                 ? pos.node()->inc()
 1186|    740|                                 : node_t::copy_leaf(pos.node(), new_tail_size);
 1187|    740|        return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1188|    740|    }
_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|  23.3k|    {
 1415|  23.3k|        auto idx                = pos.subindex(first);
 1416|  23.3k|        auto count              = pos.count();
 1417|  23.3k|        auto left_size          = pos.size_before(idx);
 1418|  23.3k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  23.3k|        auto dropped_size       = first;
 1420|  23.3k|        auto child_dropped_size = dropped_size - left_size;
 1421|  23.3k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 23.3k, Folded]
  |  Branch (1421:25): [True: 21.3k, False: 1.94k]
  |  Branch (1421:45): [True: 4.12k, False: 17.2k]
  ------------------
 1422|  4.12k|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  19.1k|        } else {
 1424|  19.1k|            using std::get;
 1425|  19.1k|            auto n    = pos.node();
 1426|  19.1k|            auto newc = count - idx;
 1427|  19.1k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  19.1k|            IMMER_TRY {
  ------------------
  |  |   49|  19.1k|#define IMMER_TRY try
  ------------------
 1429|  19.1k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  19.1k|                auto newr     = newn->relaxed();
 1431|  19.1k|                newr->d.count = count - idx;
 1432|  19.1k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  19.1k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 19.1k, False: 0]
  ------------------
 1434|  19.1k|                pos.copy_sizes(idx + 1,
 1435|  19.1k|                               newr->d.count - 1,
 1436|  19.1k|                               newr->d.sizes[0],
 1437|  19.1k|                               newr->d.sizes + 1);
 1438|  19.1k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 19.1k, False: 0]
  ------------------
 1439|  19.1k|                       pos.size() - dropped_size);
 1440|  19.1k|                newn->inner()[0] = get<1>(subs);
 1441|  19.1k|                std::copy(n->inner() + idx + 1,
 1442|  19.1k|                          n->inner() + count,
 1443|  19.1k|                          newn->inner() + 1);
 1444|  19.1k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  19.1k|                return std::make_tuple(pos.shift(), newn);
 1446|  19.1k|            }
 1447|  19.1k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  19.1k|        }
 1452|  23.3k|    }
_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|  17.3k|    {
 1457|  17.3k|        auto n = node_t::copy_leaf(pos.node(), pos.index(first), pos.count());
 1458|  17.3k|        return std::make_tuple(0, n);
 1459|  17.3k|    }
_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|  86.0k|    {
 1415|  86.0k|        auto idx                = pos.subindex(first);
 1416|  86.0k|        auto count              = pos.count();
 1417|  86.0k|        auto left_size          = pos.size_before(idx);
 1418|  86.0k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  86.0k|        auto dropped_size       = first;
 1420|  86.0k|        auto child_dropped_size = dropped_size - left_size;
 1421|  86.0k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 86.0k]
  |  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|  86.0k|        } else {
 1424|  86.0k|            using std::get;
 1425|  86.0k|            auto n    = pos.node();
 1426|  86.0k|            auto newc = count - idx;
 1427|  86.0k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  86.0k|            IMMER_TRY {
  ------------------
  |  |   49|  86.0k|#define IMMER_TRY try
  ------------------
 1429|  86.0k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  86.0k|                auto newr     = newn->relaxed();
 1431|  86.0k|                newr->d.count = count - idx;
 1432|  86.0k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  86.0k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 86.0k, False: 0]
  ------------------
 1434|  86.0k|                pos.copy_sizes(idx + 1,
 1435|  86.0k|                               newr->d.count - 1,
 1436|  86.0k|                               newr->d.sizes[0],
 1437|  86.0k|                               newr->d.sizes + 1);
 1438|  86.0k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 86.0k, False: 0]
  ------------------
 1439|  86.0k|                       pos.size() - dropped_size);
 1440|  86.0k|                newn->inner()[0] = get<1>(subs);
 1441|  86.0k|                std::copy(n->inner() + idx + 1,
 1442|  86.0k|                          n->inner() + count,
 1443|  86.0k|                          newn->inner() + 1);
 1444|  86.0k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  86.0k|                return std::make_tuple(pos.shift(), newn);
 1446|  86.0k|            }
 1447|  86.0k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  86.0k|        }
 1452|  86.0k|    }
_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|  1.84k|    {
 1415|  1.84k|        auto idx                = pos.subindex(first);
 1416|  1.84k|        auto count              = pos.count();
 1417|  1.84k|        auto left_size          = pos.size_before(idx);
 1418|  1.84k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  1.84k|        auto dropped_size       = first;
 1420|  1.84k|        auto child_dropped_size = dropped_size - left_size;
 1421|  1.84k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 1.84k]
  |  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|  1.84k|        } else {
 1424|  1.84k|            using std::get;
 1425|  1.84k|            auto n    = pos.node();
 1426|  1.84k|            auto newc = count - idx;
 1427|  1.84k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  1.84k|            IMMER_TRY {
  ------------------
  |  |   49|  1.84k|#define IMMER_TRY try
  ------------------
 1429|  1.84k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  1.84k|                auto newr     = newn->relaxed();
 1431|  1.84k|                newr->d.count = count - idx;
 1432|  1.84k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  1.84k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 1.84k, False: 0]
  ------------------
 1434|  1.84k|                pos.copy_sizes(idx + 1,
 1435|  1.84k|                               newr->d.count - 1,
 1436|  1.84k|                               newr->d.sizes[0],
 1437|  1.84k|                               newr->d.sizes + 1);
 1438|  1.84k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 1.84k, False: 0]
  ------------------
 1439|  1.84k|                       pos.size() - dropped_size);
 1440|  1.84k|                newn->inner()[0] = get<1>(subs);
 1441|  1.84k|                std::copy(n->inner() + idx + 1,
 1442|  1.84k|                          n->inner() + count,
 1443|  1.84k|                          newn->inner() + 1);
 1444|  1.84k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  1.84k|                return std::make_tuple(pos.shift(), newn);
 1446|  1.84k|            }
 1447|  1.84k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  1.84k|        }
 1452|  1.84k|    }
_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|  10.7k|    {
 1457|  10.7k|        auto n = node_t::copy_leaf(pos.node(), pos.index(first), pos.count());
 1458|  10.7k|        return std::make_tuple(0, n);
 1459|  10.7k|    }
_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|  8.19k|    {
 1415|  8.19k|        auto idx                = pos.subindex(first);
 1416|  8.19k|        auto count              = pos.count();
 1417|  8.19k|        auto left_size          = pos.size_before(idx);
 1418|  8.19k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  8.19k|        auto dropped_size       = first;
 1420|  8.19k|        auto child_dropped_size = dropped_size - left_size;
 1421|  8.19k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [Folded, False: 8.19k]
  |  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|  8.19k|        } else {
 1424|  8.19k|            using std::get;
 1425|  8.19k|            auto n    = pos.node();
 1426|  8.19k|            auto newc = count - idx;
 1427|  8.19k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  8.19k|            IMMER_TRY {
  ------------------
  |  |   49|  8.19k|#define IMMER_TRY try
  ------------------
 1429|  8.19k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  8.19k|                auto newr     = newn->relaxed();
 1431|  8.19k|                newr->d.count = count - idx;
 1432|  8.19k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  8.19k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 8.19k, False: 0]
  ------------------
 1434|  8.19k|                pos.copy_sizes(idx + 1,
 1435|  8.19k|                               newr->d.count - 1,
 1436|  8.19k|                               newr->d.sizes[0],
 1437|  8.19k|                               newr->d.sizes + 1);
 1438|  8.19k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 8.19k, False: 0]
  ------------------
 1439|  8.19k|                       pos.size() - dropped_size);
 1440|  8.19k|                newn->inner()[0] = get<1>(subs);
 1441|  8.19k|                std::copy(n->inner() + idx + 1,
 1442|  8.19k|                          n->inner() + count,
 1443|  8.19k|                          newn->inner() + 1);
 1444|  8.19k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  8.19k|                return std::make_tuple(pos.shift(), newn);
 1446|  8.19k|            }
 1447|  8.19k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  8.19k|        }
 1452|  8.19k|    }
_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|  10.6k|    {
 1415|  10.6k|        auto idx                = pos.subindex(first);
 1416|  10.6k|        auto count              = pos.count();
 1417|  10.6k|        auto left_size          = pos.size_before(idx);
 1418|  10.6k|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|  10.6k|        auto dropped_size       = first;
 1420|  10.6k|        auto child_dropped_size = dropped_size - left_size;
 1421|  10.6k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 10.6k, Folded]
  |  Branch (1421:25): [True: 7.42k, False: 3.26k]
  |  Branch (1421:45): [True: 2.71k, False: 4.70k]
  ------------------
 1422|  2.71k|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|  7.97k|        } else {
 1424|  7.97k|            using std::get;
 1425|  7.97k|            auto n    = pos.node();
 1426|  7.97k|            auto newc = count - idx;
 1427|  7.97k|            auto newn = node_t::make_inner_r_n(newc);
 1428|  7.97k|            IMMER_TRY {
  ------------------
  |  |   49|  7.97k|#define IMMER_TRY try
  ------------------
 1429|  7.97k|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|  7.97k|                auto newr     = newn->relaxed();
 1431|  7.97k|                newr->d.count = count - idx;
 1432|  7.97k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|  7.97k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 7.97k, False: 0]
  ------------------
 1434|  7.97k|                pos.copy_sizes(idx + 1,
 1435|  7.97k|                               newr->d.count - 1,
 1436|  7.97k|                               newr->d.sizes[0],
 1437|  7.97k|                               newr->d.sizes + 1);
 1438|  7.97k|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 7.97k, False: 0]
  ------------------
 1439|  7.97k|                       pos.size() - dropped_size);
 1440|  7.97k|                newn->inner()[0] = get<1>(subs);
 1441|  7.97k|                std::copy(n->inner() + idx + 1,
 1442|  7.97k|                          n->inner() + count,
 1443|  7.97k|                          newn->inner() + 1);
 1444|  7.97k|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|  7.97k|                return std::make_tuple(pos.shift(), newn);
 1446|  7.97k|            }
 1447|  7.97k|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|  7.97k|        }
 1452|  10.6k|    }
_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|    949|    {
 1415|    949|        auto idx                = pos.subindex(first);
 1416|    949|        auto count              = pos.count();
 1417|    949|        auto left_size          = pos.size_before(idx);
 1418|    949|        auto child_size         = pos.size_sbh(idx, left_size);
 1419|    949|        auto dropped_size       = first;
 1420|    949|        auto child_dropped_size = dropped_size - left_size;
 1421|    949|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1421:13): [True: 949, Folded]
  |  Branch (1421:25): [True: 272, False: 677]
  |  Branch (1421:45): [True: 0, False: 272]
  ------------------
 1422|      0|            return pos.towards_sub_oh(this_t{}, first, idx);
 1423|    949|        } else {
 1424|    949|            using std::get;
 1425|    949|            auto n    = pos.node();
 1426|    949|            auto newc = count - idx;
 1427|    949|            auto newn = node_t::make_inner_r_n(newc);
 1428|    949|            IMMER_TRY {
  ------------------
  |  |   49|    949|#define IMMER_TRY try
  ------------------
 1429|    949|                auto subs     = pos.towards_sub_oh(no_collapse_t{}, first, idx);
 1430|    949|                auto newr     = newn->relaxed();
 1431|    949|                newr->d.count = count - idx;
 1432|    949|                newr->d.sizes[0] = child_size - child_dropped_size;
 1433|    949|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1433:17): [True: 949, False: 0]
  ------------------
 1434|    949|                pos.copy_sizes(idx + 1,
 1435|    949|                               newr->d.count - 1,
 1436|    949|                               newr->d.sizes[0],
 1437|    949|                               newr->d.sizes + 1);
 1438|    949|                assert(newr->d.sizes[newr->d.count - 1] ==
  ------------------
  |  Branch (1438:17): [True: 949, False: 0]
  ------------------
 1439|    949|                       pos.size() - dropped_size);
 1440|    949|                newn->inner()[0] = get<1>(subs);
 1441|    949|                std::copy(n->inner() + idx + 1,
 1442|    949|                          n->inner() + count,
 1443|    949|                          newn->inner() + 1);
 1444|    949|                node_t::inc_nodes(newn->inner() + 1, newr->d.count - 1);
 1445|    949|                return std::make_tuple(pos.shift(), newn);
 1446|    949|            }
 1447|    949|            IMMER_CATCH (...) {
 1448|      0|                node_t::delete_inner_r(newn, newc);
 1449|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1450|      0|            }
 1451|    949|        }
 1452|    949|    }
_ZN5immer6detail4rbts12concat_treesINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_11relaxed_posIT_EEPSE_jSG_jm:
 2001|  7.29k|{
 2002|  7.29k|    return make_singleton_regular_sub_pos(ltail, ltcount)
 2003|  7.29k|        .visit(concat_trees_left_visitor<Node>{},
 2004|  7.29k|               empty_leaf_pos<Node>{},
 2005|  7.29k|               rroot,
 2006|  7.29k|               rshift,
 2007|  7.29k|               rsize)
 2008|  7.29k|        .realize();
 2009|  7.29k|}
_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|  7.29k|    {
 1972|  7.29k|        return visit_maybe_relaxed_sub(
 1973|  7.29k|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  7.29k|    }
_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|  4.97k|    {
 1959|  4.97k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  4.97k|    }
_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|  21.4k|{
 1873|  21.4k|    auto lshift = lpos.shift();
 1874|  21.4k|    auto rshift = rpos.shift();
 1875|  21.4k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 21.4k]
  ------------------
 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|  21.4k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 16.8k, False: 4.68k]
  ------------------
 1879|  16.8k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  16.8k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  16.8k|    } else {
 1882|  4.68k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 4.68k, False: 0]
  ------------------
 1883|  4.68k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 4.68k]
  |  Branch (1883:9): [True: 4.68k, False: 0]
  |  Branch (1883:9): [True: 4.68k, False: 0]
  ------------------
 1884|  4.68k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  4.68k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  4.68k|    }
 1887|  21.4k|}
_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|  13.2M|    {
 1513|  13.2M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.09M, False: 12.1M]
  ------------------
 1514|  1.09M|            auto s = size_t{};
 1515|  4.36M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 3.26M, False: 1.09M]
  ------------------
 1516|  3.26M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  3.26M|                s = sizes_[i];
 1518|  3.26M|            }
 1519|  12.1M|        } else {
 1520|  32.7M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 20.6M, False: 12.1M]
  ------------------
 1521|  20.6M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  20.6M|                    .visit(v, args...);
 1523|  12.1M|        }
 1524|  13.2M|    }
_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|  7.68M|    {
 1734|  7.68M|        auto count = p.count();
 1735|  7.68M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 7.68M, False: 0]
  ------------------
 1736|  7.68M|        plan.counts[plan.n++] = count;
 1737|  7.68M|        plan.total += count;
 1738|  7.68M|    }
_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|   110M|    {
 1734|   110M|        auto count = p.count();
 1735|   110M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 110M, False: 0]
  ------------------
 1736|   110M|        plan.counts[plan.n++] = count;
 1737|   110M|        plan.total += count;
 1738|   110M|    }
_ZN5immer6detail4rbts21concat_rebalance_planILj3ELj3EE7shuffleEj:
 1762|  13.2M|    {
 1763|       |        // gcc seems to not really understand this code... :(
 1764|  13.2M|#if !defined(_MSC_VER)
 1765|  13.2M|#pragma GCC diagnostic push
 1766|  13.2M|#pragma GCC diagnostic ignored "-Warray-bounds"
 1767|  13.2M|#endif
 1768|  13.2M|        constexpr count_t rrb_extras    = 2;
 1769|  13.2M|        constexpr count_t rrb_invariant = 1;
 1770|  13.2M|        const auto bits                 = shift == BL ? BL : B;
  ------------------
  |  Branch (1770:43): [True: 1.09M, False: 12.1M]
  ------------------
 1771|  13.2M|        const auto branches             = count_t{1} << bits;
 1772|  13.2M|        const auto optimal              = ((total - 1) >> bits) + 1;
 1773|  13.2M|        count_t i                       = 0;
 1774|  16.4M|        while (n >= optimal + rrb_extras) {
  ------------------
  |  Branch (1774:16): [True: 3.26M, False: 13.2M]
  ------------------
 1775|       |            // skip ok nodes
 1776|  7.16M|            while (counts[i] > branches - rrb_invariant)
  ------------------
  |  Branch (1776:20): [True: 3.90M, False: 3.26M]
  ------------------
 1777|  3.90M|                i++;
 1778|  3.26M|            assert(i < n);
  ------------------
  |  Branch (1778:13): [True: 3.26M, False: 0]
  ------------------
 1779|       |            // short node, redistribute
 1780|  3.26M|            auto remaining = counts[i];
 1781|  12.0M|            do {
 1782|  12.0M|                auto next  = counts[i + 1];
 1783|  12.0M|                auto count = std::min(remaining + next, branches);
 1784|  12.0M|                counts[i]  = count;
 1785|  12.0M|                assert(counts[i]);
  ------------------
  |  Branch (1785:17): [True: 12.0M, False: 0]
  ------------------
 1786|  12.0M|                remaining += next - count;
 1787|  12.0M|                ++i;
 1788|  12.0M|            } while (remaining > 0);
  ------------------
  |  Branch (1788:22): [True: 8.79M, False: 3.26M]
  ------------------
 1789|       |            // remove node
 1790|  3.26M|            std::move(counts + i + 1, counts + n, counts + i);
 1791|  3.26M|            --n;
 1792|  3.26M|            --i;
 1793|  3.26M|        }
 1794|  13.2M|#if !defined(_MSC_VER)
 1795|  13.2M|#pragma GCC diagnostic pop
 1796|  13.2M|#endif
 1797|  13.2M|    }
_ZNK5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
 1478|  26.4M|    auto shift() const { return shift_; }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPjj:
 1577|  13.2M|        : curr_{counts}
 1578|  13.2M|        , n_{n}
 1579|  13.2M|        , result_{
 1580|  13.2M|              shift + B, node_t::make_inner_r_n(std::min(n_, branches<B>)), 0}
 1581|  13.2M|    {
 1582|  13.2M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPSC_m:
 1481|  13.2M|        : shift_{s}
 1482|  13.2M|        , count_{1}
 1483|  13.2M|        , nodes_{n0}
 1484|  13.2M|        , sizes_{s0}
 1485|  13.2M|    {
 1486|  13.2M|    }
_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|  13.2M|    {
 1513|  13.2M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.09M, False: 12.1M]
  ------------------
 1514|  1.09M|            auto s = size_t{};
 1515|  4.36M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 3.26M, False: 1.09M]
  ------------------
 1516|  3.26M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  3.26M|                s = sizes_[i];
 1518|  3.26M|            }
 1519|  12.1M|        } else {
 1520|  32.7M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 20.6M, False: 12.1M]
  ------------------
 1521|  20.6M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  20.6M|                    .visit(v, args...);
 1523|  12.1M|        }
 1524|  13.2M|    }
_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|  7.68M|    {
 1722|  7.68M|        merger.merge_leaf(p);
 1723|  7.68M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10merge_leafIRNS1_12leaf_sub_posISC_EEEEvOT_:
 1614|  7.68M|    {
 1615|  7.68M|        auto from       = p.node();
 1616|  7.68M|        auto from_size  = p.size();
 1617|  7.68M|        auto from_count = p.count();
 1618|  7.68M|        assert(from_size);
  ------------------
  |  Branch (1618:9): [True: 7.68M, False: 0]
  ------------------
 1619|  7.68M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1619:13): [True: 7.53M, False: 147k]
  |  Branch (1619:21): [True: 7.46M, False: 71.9k]
  ------------------
 1620|  7.46M|            add_child(from, from_size);
 1621|  7.46M|            from->inc();
 1622|  7.46M|        } else {
 1623|   219k|            auto from_offset = count_t{};
 1624|   219k|            auto from_data   = from->leaf();
 1625|   292k|            do {
 1626|   292k|                if (!to_) {
  ------------------
  |  Branch (1626:21): [True: 144k, False: 147k]
  ------------------
 1627|   144k|                    to_        = node_t::make_leaf_n(*curr_);
 1628|   144k|                    to_offset_ = 0;
 1629|   144k|                }
 1630|   292k|                auto data = to_->leaf();
 1631|   292k|                auto to_copy =
 1632|   292k|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1633|   292k|                detail::uninitialized_copy(from_data + from_offset,
 1634|   292k|                                           from_data + from_offset + to_copy,
 1635|   292k|                                           data + to_offset_);
 1636|   292k|                to_offset_ += to_copy;
 1637|   292k|                from_offset += to_copy;
 1638|   292k|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1638:21): [True: 144k, False: 147k]
  ------------------
 1639|   144k|                    add_child(to_, to_offset_);
 1640|   144k|                    to_ = nullptr;
 1641|   144k|                }
 1642|   292k|            } while (from_offset != from_count);
  ------------------
  |  Branch (1642:22): [True: 72.7k, False: 219k]
  ------------------
 1643|   219k|        }
 1644|  7.68M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9add_childEPSC_m:
 1589|   125M|    {
 1590|   125M|        assert(size);
  ------------------
  |  Branch (1590:9): [True: 125M, False: 0]
  ------------------
 1591|   125M|        ++curr_;
 1592|   125M|        auto parent  = result_.nodes_[result_.count_ - 1];
 1593|   125M|        auto relaxed = parent->relaxed();
 1594|   125M|        if (relaxed->d.count == branches<B>) {
  ------------------
  |  Branch (1594:13): [True: 8.53M, False: 117M]
  ------------------
 1595|  8.53M|            assert(result_.count_ < result_t::max_children);
  ------------------
  |  Branch (1595:13): [True: 8.53M, False: 0]
  ------------------
 1596|  8.53M|            n_ -= branches<B>;
 1597|  8.53M|            parent  = node_t::make_inner_r_n(std::min(n_, branches<B>));
 1598|  8.53M|            relaxed = parent->relaxed();
 1599|  8.53M|            result_.nodes_[result_.count_] = parent;
 1600|  8.53M|            result_.sizes_[result_.count_] = result_.sizes_[result_.count_ - 1];
 1601|  8.53M|            assert(result_.sizes_[result_.count_]);
  ------------------
  |  Branch (1601:13): [True: 8.53M, False: 0]
  ------------------
 1602|  8.53M|            ++result_.count_;
 1603|  8.53M|        }
 1604|   125M|        auto idx = relaxed->d.count++;
 1605|   125M|        result_.sizes_[result_.count_ - 1] += size;
 1606|   125M|        assert(result_.sizes_[result_.count_ - 1]);
  ------------------
  |  Branch (1606:9): [True: 125M, False: 0]
  ------------------
 1607|   125M|        relaxed->d.sizes[idx] = size + (idx ? relaxed->d.sizes[idx - 1] : 0);
  ------------------
  |  Branch (1607:41): [True: 104M, False: 21.7M]
  ------------------
 1608|   125M|        assert(relaxed->d.sizes[idx]);
  ------------------
  |  Branch (1608:9): [True: 125M, False: 0]
  ------------------
 1609|   125M|        parent->inner()[idx] = p;
 1610|   125M|    };
_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|   110M|    {
 1716|   110M|        merger.merge_inner(p);
 1717|   110M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11merge_innerIRNS1_11relaxed_posISC_EEEEvOT_:
 1648|   110M|    {
 1649|   110M|        auto from       = p.node();
 1650|   110M|        auto from_size  = p.size();
 1651|   110M|        auto from_count = p.count();
 1652|   110M|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 110M, False: 0]
  ------------------
 1653|   110M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 100M, False: 10.1M]
  |  Branch (1653:21): [True: 98.1M, False: 2.59M]
  ------------------
 1654|  98.1M|            add_child(from, from_size);
 1655|  98.1M|            from->inc();
 1656|  98.1M|        } else {
 1657|  12.7M|            auto from_offset = count_t{};
 1658|  12.7M|            auto from_data   = from->inner();
 1659|  19.7M|            do {
 1660|  19.7M|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 9.55M, False: 10.1M]
  ------------------
 1661|  9.55M|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|  9.55M|                    to_offset_ = 0;
 1663|  9.55M|                    to_size_   = 0;
 1664|  9.55M|                }
 1665|  19.7M|                auto data = to_->inner();
 1666|  19.7M|                auto to_copy =
 1667|  19.7M|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|  19.7M|                std::copy(from_data + from_offset,
 1669|  19.7M|                          from_data + from_offset + to_copy,
 1670|  19.7M|                          data + to_offset_);
 1671|  19.7M|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|  19.7M|                auto sizes = to_->relaxed()->d.sizes;
 1673|  19.7M|                p.copy_sizes(
 1674|  19.7M|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|  19.7M|                to_offset_ += to_copy;
 1676|  19.7M|                from_offset += to_copy;
 1677|  19.7M|                to_size_ = sizes[to_offset_ - 1];
 1678|  19.7M|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 19.7M, False: 0]
  ------------------
 1679|  19.7M|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 9.55M, False: 10.1M]
  ------------------
 1680|  9.55M|                    to_->relaxed()->d.count = to_offset_;
 1681|  9.55M|                    add_child(to_, to_size_);
 1682|  9.55M|                    to_ = nullptr;
 1683|  9.55M|                }
 1684|  19.7M|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 6.96M, False: 12.7M]
  ------------------
 1685|  12.7M|        }
 1686|   110M|    }
_ZNK5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE6finishEv:
 1689|  13.2M|    {
 1690|  13.2M|        assert(!to_);
  ------------------
  |  Branch (1690:9): [True: 13.2M, False: 0]
  ------------------
 1691|  13.2M|        return result_;
 1692|  13.2M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8each_subINS1_11dec_visitorEJEEEvT_DpOT0_:
 1512|  13.2M|    {
 1513|  13.2M|        if (shift_ == BL) {
  ------------------
  |  Branch (1513:13): [True: 1.09M, False: 12.1M]
  ------------------
 1514|  1.09M|            auto s = size_t{};
 1515|  4.36M|            for (auto i = count_t{0}; i < count_; ++i) {
  ------------------
  |  Branch (1515:39): [True: 3.26M, False: 1.09M]
  ------------------
 1516|  3.26M|                make_leaf_sub_pos(nodes_[i], sizes_[i] - s).visit(v, args...);
 1517|  3.26M|                s = sizes_[i];
 1518|  3.26M|            }
 1519|  12.1M|        } else {
 1520|  32.7M|            for (auto i = count_t{0}; i < count_; ++i)
  ------------------
  |  Branch (1520:39): [True: 20.6M, False: 12.1M]
  ------------------
 1521|  20.6M|                make_relaxed_pos(nodes_[i], shift_ - B, nodes_[i]->relaxed())
 1522|  20.6M|                    .visit(v, args...);
 1523|  12.1M|        }
 1524|  13.2M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPSC_mSE_mSE_m:
 1503|  1.08M|        : shift_{s}
 1504|  1.08M|        , count_{3}
 1505|  1.08M|        , nodes_{n0, n1, n2}
 1506|  1.08M|        , sizes_{s0, s0 + s1, s0 + s1 + s2}
 1507|  1.08M|    {
 1508|  1.08M|    }
_ZN5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEC2EjPSC_mSE_m:
 1489|  7.29k|        : shift_{s}
 1490|  7.29k|        , count_{2}
 1491|  7.29k|        , nodes_{n0, n1}
 1492|  7.29k|        , sizes_{s0, s0 + s1}
 1493|  7.29k|    {
 1494|  7.29k|    }
_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|  16.5k|    {
 1918|  16.5k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  16.5k|    }
_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|    291|    {
 1918|    291|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|    291|    }
_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|  2.61k|{
 1873|  2.61k|    auto lshift = lpos.shift();
 1874|  2.61k|    auto rshift = rpos.shift();
 1875|  2.61k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 2.61k]
  ------------------
 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|  2.61k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 723, False: 1.88k]
  ------------------
 1879|    723|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    723|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  1.88k|    } else {
 1882|  1.88k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 1.88k, False: 0]
  ------------------
 1883|  1.88k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 1.88k]
  |  Branch (1883:9): [True: 1.88k, False: 0]
  |  Branch (1883:9): [True: 1.88k, False: 0]
  ------------------
 1884|  1.88k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  1.88k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  1.88k|    }
 1887|  2.61k|}
_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|  1.04k|    {
 1918|  1.04k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  1.04k|    }
_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|  1.04k|{
 1873|  1.04k|    auto lshift = lpos.shift();
 1874|  1.04k|    auto rshift = rpos.shift();
 1875|  1.04k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 1.04k]
  ------------------
 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|  1.04k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 320, False: 723]
  ------------------
 1879|    320|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    320|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|    723|    } else {
 1882|    723|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 723, False: 0]
  ------------------
 1883|    723|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 723]
  |  Branch (1883:9): [True: 723, False: 0]
  |  Branch (1883:9): [True: 723, False: 0]
  ------------------
 1884|    723|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|    723|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|    723|    }
 1887|  1.04k|}
_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|    717|{
 1824|    717|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|    717|    plan.fill(lpos, cpos, rpos);
 1826|    717|    plan.shuffle(cpos.shift());
 1827|    717|    IMMER_TRY {
  ------------------
  |  |   49|    717|#define IMMER_TRY try
  ------------------
 1828|    717|        return plan.merge(lpos, cpos, rpos);
 1829|    717|    }
 1830|    717|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|    717|}
_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|    717|    {
 1753|    717|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 717, False: 0]
  ------------------
 1754|    717|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 717, False: 0]
  ------------------
 1755|    717|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|    717|        lpos.each_left_sub(visitor_t{}, *this);
 1757|    717|        cpos.each_sub(visitor_t{}, *this);
 1758|    717|        rpos.each_right_sub(visitor_t{}, *this);
 1759|    717|    }
_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|  5.83M|    {
 1734|  5.83M|        auto count = p.count();
 1735|  5.83M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 5.83M, False: 0]
  ------------------
 1736|  5.83M|        plan.counts[plan.n++] = count;
 1737|  5.83M|        plan.total += count;
 1738|  5.83M|    }
_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|   580k|    {
 1734|   580k|        auto count = p.count();
 1735|   580k|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 580k, False: 0]
  ------------------
 1736|   580k|        plan.counts[plan.n++] = count;
 1737|   580k|        plan.total += count;
 1738|   580k|    }
_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|    717|    {
 1803|    717|        using node_t    = node_type<CPos>;
 1804|    717|        using merger_t  = concat_merger<node_t>;
 1805|    717|        using visitor_t = concat_merger_visitor;
 1806|    717|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|    717|        IMMER_TRY {
  ------------------
  |  |   49|    717|#define IMMER_TRY try
  ------------------
 1808|    717|            lpos.each_left_sub(visitor_t{}, merger);
 1809|    717|            cpos.each_sub(visitor_t{}, merger);
 1810|    717|            rpos.each_right_sub(visitor_t{}, merger);
 1811|    717|            cpos.each_sub(dec_visitor{});
 1812|    717|            return merger.finish();
 1813|    717|        }
 1814|    717|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|    717|    }
_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|  5.83M|    {
 1722|  5.83M|        merger.merge_leaf(p);
 1723|  5.83M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10merge_leafIRNS1_13full_leaf_posISC_EEEEvOT_:
 1614|  5.83M|    {
 1615|  5.83M|        auto from       = p.node();
 1616|  5.83M|        auto from_size  = p.size();
 1617|  5.83M|        auto from_count = p.count();
 1618|  5.83M|        assert(from_size);
  ------------------
  |  Branch (1618:9): [True: 5.83M, False: 0]
  ------------------
 1619|  5.83M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1619:13): [True: 5.83M, False: 0]
  |  Branch (1619:21): [True: 5.83M, False: 0]
  ------------------
 1620|  5.83M|            add_child(from, from_size);
 1621|  5.83M|            from->inc();
 1622|  5.83M|        } 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|  5.83M|    }
_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|   580k|    {
 1716|   580k|        merger.merge_inner(p);
 1717|   580k|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11merge_innerIRNS1_8full_posISC_EEEEvOT_:
 1648|   580k|    {
 1649|   580k|        auto from       = p.node();
 1650|   580k|        auto from_size  = p.size();
 1651|   580k|        auto from_count = p.count();
 1652|   580k|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 580k, False: 0]
  ------------------
 1653|   580k|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 580k, False: 0]
  |  Branch (1653:21): [True: 580k, False: 0]
  ------------------
 1654|   580k|            add_child(from, from_size);
 1655|   580k|            from->inc();
 1656|   580k|        } 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|   580k|    }
_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|    723|    {
 1945|    723|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|    723|    }
_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|  2.61k|    {
 1925|  2.61k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|  2.61k|    }
_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|  2.61k|{
 1839|  2.61k|    static_assert(Node::bits >= 2, "");
 1840|  2.61k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 2.61k, False: 0]
  ------------------
 1841|  2.61k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 2.61k, False: 0]
  ------------------
 1842|  2.61k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 2.61k, False: 0]
  ------------------
 1843|  2.61k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 0, False: 2.61k]
  ------------------
 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|  2.61k|    else
 1854|  2.61k|        return {
 1855|  2.61k|            Node::bits_leaf,
 1856|  2.61k|            lpos.node()->inc(),
 1857|  2.61k|            lpos.count(),
 1858|  2.61k|            rpos.node()->inc(),
 1859|  2.61k|            rpos.count(),
 1860|  2.61k|        };
 1861|  2.61k|}
_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|    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_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|    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|    }
_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|    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|    }
_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|  1.74k|{
 1824|  1.74k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.74k|    plan.fill(lpos, cpos, rpos);
 1826|  1.74k|    plan.shuffle(cpos.shift());
 1827|  1.74k|    IMMER_TRY {
  ------------------
  |  |   49|  1.74k|#define IMMER_TRY try
  ------------------
 1828|  1.74k|        return plan.merge(lpos, cpos, rpos);
 1829|  1.74k|    }
 1830|  1.74k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.74k|}
_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|  1.74k|    {
 1753|  1.74k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.74k, False: 0]
  ------------------
 1754|  1.74k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.74k, False: 0]
  ------------------
 1755|  1.74k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.74k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.74k|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.74k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.74k|    }
_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|  4.10M|    {
 1734|  4.10M|        auto count = p.count();
 1735|  4.10M|        assert(plan.n < Plan::max_children);
  ------------------
  |  Branch (1735:9): [True: 4.10M, False: 0]
  ------------------
 1736|  4.10M|        plan.counts[plan.n++] = count;
 1737|  4.10M|        plan.total += count;
 1738|  4.10M|    }
_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|  1.74k|    {
 1803|  1.74k|        using node_t    = node_type<CPos>;
 1804|  1.74k|        using merger_t  = concat_merger<node_t>;
 1805|  1.74k|        using visitor_t = concat_merger_visitor;
 1806|  1.74k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.74k|        IMMER_TRY {
  ------------------
  |  |   49|  1.74k|#define IMMER_TRY try
  ------------------
 1808|  1.74k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.74k|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.74k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.74k|            cpos.each_sub(dec_visitor{});
 1812|  1.74k|            return merger.finish();
 1813|  1.74k|        }
 1814|  1.74k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.74k|    }
_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|  4.10M|    {
 1716|  4.10M|        merger.merge_inner(p);
 1717|  4.10M|    }
_ZN5immer6detail4rbts13concat_mergerINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11merge_innerIRNS1_15regular_sub_posISC_EEEEvOT_:
 1648|  4.10M|    {
 1649|  4.10M|        auto from       = p.node();
 1650|  4.10M|        auto from_size  = p.size();
 1651|  4.10M|        auto from_count = p.count();
 1652|  4.10M|        assert(from_size);
  ------------------
  |  Branch (1652:9): [True: 4.10M, False: 0]
  ------------------
 1653|  4.10M|        if (!to_ && *curr_ == from_count) {
  ------------------
  |  Branch (1653:13): [True: 2.34M, False: 1.75M]
  |  Branch (1653:21): [True: 2.34M, False: 0]
  ------------------
 1654|  2.34M|            add_child(from, from_size);
 1655|  2.34M|            from->inc();
 1656|  2.34M|        } else {
 1657|  1.75M|            auto from_offset = count_t{};
 1658|  1.75M|            auto from_data   = from->inner();
 1659|  3.51M|            do {
 1660|  3.51M|                if (!to_) {
  ------------------
  |  Branch (1660:21): [True: 1.75M, False: 1.75M]
  ------------------
 1661|  1.75M|                    to_        = node_t::make_inner_r_n(*curr_);
 1662|  1.75M|                    to_offset_ = 0;
 1663|  1.75M|                    to_size_   = 0;
 1664|  1.75M|                }
 1665|  3.51M|                auto data = to_->inner();
 1666|  3.51M|                auto to_copy =
 1667|  3.51M|                    std::min(from_count - from_offset, *curr_ - to_offset_);
 1668|  3.51M|                std::copy(from_data + from_offset,
 1669|  3.51M|                          from_data + from_offset + to_copy,
 1670|  3.51M|                          data + to_offset_);
 1671|  3.51M|                node_t::inc_nodes(from_data + from_offset, to_copy);
 1672|  3.51M|                auto sizes = to_->relaxed()->d.sizes;
 1673|  3.51M|                p.copy_sizes(
 1674|  3.51M|                    from_offset, to_copy, to_size_, sizes + to_offset_);
 1675|  3.51M|                to_offset_ += to_copy;
 1676|  3.51M|                from_offset += to_copy;
 1677|  3.51M|                to_size_ = sizes[to_offset_ - 1];
 1678|  3.51M|                assert(to_size_);
  ------------------
  |  Branch (1678:17): [True: 3.51M, False: 0]
  ------------------
 1679|  3.51M|                if (*curr_ == to_offset_) {
  ------------------
  |  Branch (1679:21): [True: 1.75M, False: 1.75M]
  ------------------
 1680|  1.75M|                    to_->relaxed()->d.count = to_offset_;
 1681|  1.75M|                    add_child(to_, to_size_);
 1682|  1.75M|                    to_ = nullptr;
 1683|  1.75M|                }
 1684|  3.51M|            } while (from_offset != from_count);
  ------------------
  |  Branch (1684:22): [True: 1.75M, False: 1.75M]
  ------------------
 1685|  1.75M|        }
 1686|  4.10M|    }
_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|  1.88k|    {
 1945|  1.88k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  1.88k|    }
_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|  4.68k|    {
 1925|  4.68k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|  4.68k|    }
_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|  4.68k|{
 1839|  4.68k|    static_assert(Node::bits >= 2, "");
 1840|  4.68k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 4.68k, False: 0]
  ------------------
 1841|  4.68k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 4.68k, False: 0]
  ------------------
 1842|  4.68k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 4.68k, False: 0]
  ------------------
 1843|  4.68k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 0, False: 4.68k]
  ------------------
 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|  4.68k|    else
 1854|  4.68k|        return {
 1855|  4.68k|            Node::bits_leaf,
 1856|  4.68k|            lpos.node()->inc(),
 1857|  4.68k|            lpos.count(),
 1858|  4.68k|            rpos.node()->inc(),
 1859|  4.68k|            rpos.count(),
 1860|  4.68k|        };
 1861|  4.68k|}
_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|  1.88k|{
 1824|  1.88k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.88k|    plan.fill(lpos, cpos, rpos);
 1826|  1.88k|    plan.shuffle(cpos.shift());
 1827|  1.88k|    IMMER_TRY {
  ------------------
  |  |   49|  1.88k|#define IMMER_TRY try
  ------------------
 1828|  1.88k|        return plan.merge(lpos, cpos, rpos);
 1829|  1.88k|    }
 1830|  1.88k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.88k|}
_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|  1.88k|    {
 1753|  1.88k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.88k, False: 0]
  ------------------
 1754|  1.88k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.88k, False: 0]
  ------------------
 1755|  1.88k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.88k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.88k|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.88k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.88k|    }
_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|  1.88k|    {
 1803|  1.88k|        using node_t    = node_type<CPos>;
 1804|  1.88k|        using merger_t  = concat_merger<node_t>;
 1805|  1.88k|        using visitor_t = concat_merger_visitor;
 1806|  1.88k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.88k|        IMMER_TRY {
  ------------------
  |  |   49|  1.88k|#define IMMER_TRY try
  ------------------
 1808|  1.88k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.88k|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.88k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.88k|            cpos.each_sub(dec_visitor{});
 1812|  1.88k|            return merger.finish();
 1813|  1.88k|        }
 1814|  1.88k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.88k|    }
_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|  66.0k|{
 1824|  66.0k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  66.0k|    plan.fill(lpos, cpos, rpos);
 1826|  66.0k|    plan.shuffle(cpos.shift());
 1827|  66.0k|    IMMER_TRY {
  ------------------
  |  |   49|  66.0k|#define IMMER_TRY try
  ------------------
 1828|  66.0k|        return plan.merge(lpos, cpos, rpos);
 1829|  66.0k|    }
 1830|  66.0k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  66.0k|}
_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|  66.0k|    {
 1753|  66.0k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 66.0k, False: 0]
  ------------------
 1754|  66.0k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 66.0k, False: 0]
  ------------------
 1755|  66.0k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  66.0k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  66.0k|        cpos.each_sub(visitor_t{}, *this);
 1758|  66.0k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  66.0k|    }
_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|  66.0k|    {
 1803|  66.0k|        using node_t    = node_type<CPos>;
 1804|  66.0k|        using merger_t  = concat_merger<node_t>;
 1805|  66.0k|        using visitor_t = concat_merger_visitor;
 1806|  66.0k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  66.0k|        IMMER_TRY {
  ------------------
  |  |   49|  66.0k|#define IMMER_TRY try
  ------------------
 1808|  66.0k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  66.0k|            cpos.each_sub(visitor_t{}, merger);
 1810|  66.0k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  66.0k|            cpos.each_sub(dec_visitor{});
 1812|  66.0k|            return merger.finish();
 1813|  66.0k|        }
 1814|  66.0k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  66.0k|    }
_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|  4.68k|    {
 1945|  4.68k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  4.68k|    }
_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|  4.68k|{
 1824|  4.68k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  4.68k|    plan.fill(lpos, cpos, rpos);
 1826|  4.68k|    plan.shuffle(cpos.shift());
 1827|  4.68k|    IMMER_TRY {
  ------------------
  |  |   49|  4.68k|#define IMMER_TRY try
  ------------------
 1828|  4.68k|        return plan.merge(lpos, cpos, rpos);
 1829|  4.68k|    }
 1830|  4.68k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  4.68k|}
_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|  4.68k|    {
 1753|  4.68k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 4.68k, False: 0]
  ------------------
 1754|  4.68k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 4.68k, False: 0]
  ------------------
 1755|  4.68k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  4.68k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  4.68k|        cpos.each_sub(visitor_t{}, *this);
 1758|  4.68k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  4.68k|    }
_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|  4.68k|    {
 1803|  4.68k|        using node_t    = node_type<CPos>;
 1804|  4.68k|        using merger_t  = concat_merger<node_t>;
 1805|  4.68k|        using visitor_t = concat_merger_visitor;
 1806|  4.68k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  4.68k|        IMMER_TRY {
  ------------------
  |  |   49|  4.68k|#define IMMER_TRY try
  ------------------
 1808|  4.68k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  4.68k|            cpos.each_sub(visitor_t{}, merger);
 1810|  4.68k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  4.68k|            cpos.each_sub(dec_visitor{});
 1812|  4.68k|            return merger.finish();
 1813|  4.68k|        }
 1814|  4.68k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  4.68k|    }
_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|  2.32k|    {
 1959|  2.32k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  2.32k|    }
_ZNO5immer6detail4rbts17concat_center_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7realizeEv:
 1527|  1.09M|    {
 1528|  1.09M|        if (count_ > 1) {
  ------------------
  |  Branch (1528:13): [True: 47.2k, False: 1.04M]
  ------------------
 1529|  47.2k|            IMMER_TRY {
  ------------------
  |  |   49|  47.2k|#define IMMER_TRY try
  ------------------
 1530|  47.2k|                auto result = node_t::make_inner_r_n(count_);
 1531|  47.2k|                auto r      = result->relaxed();
 1532|  47.2k|                r->d.count  = count_;
 1533|  47.2k|                std::copy(nodes_, nodes_ + count_, result->inner());
 1534|  47.2k|                std::copy(sizes_, sizes_ + count_, r->d.sizes);
 1535|  47.2k|                return {result, shift_, r};
 1536|  47.2k|            }
 1537|  47.2k|            IMMER_CATCH (...) {
 1538|      0|                each_sub(dec_visitor{});
 1539|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1540|      0|            }
 1541|  1.04M|        } else {
 1542|  1.04M|            assert(shift_ >= B + BL);
  ------------------
  |  Branch (1542:13): [True: 1.04M, False: 0]
  ------------------
 1543|  1.04M|            return {nodes_[0], shift_ - B, nodes_[0]->relaxed()};
 1544|  1.04M|        }
 1545|  1.09M|    }
_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|  1.08M|{
 1987|  1.08M|    return visit_maybe_relaxed_sub(lroot,
 1988|  1.08M|                                   lshift,
 1989|  1.08M|                                   lsize,
 1990|  1.08M|                                   concat_trees_left_visitor<Node>{},
 1991|  1.08M|                                   make_leaf_pos(ltail, ltcount),
 1992|  1.08M|                                   rroot,
 1993|  1.08M|                                   rshift,
 1994|  1.08M|                                   rsize)
 1995|  1.08M|        .realize();
 1996|  1.08M|}
_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|  1.06M|    {
 1972|  1.06M|        return visit_maybe_relaxed_sub(
 1973|  1.06M|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  1.06M|    }
_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|  1.06M|    {
 1959|  1.06M|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  1.06M|    }
_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|  11.6M|{
 1873|  11.6M|    auto lshift = lpos.shift();
 1874|  11.6M|    auto rshift = rpos.shift();
 1875|  11.6M|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 3.29M, False: 8.33M]
  ------------------
 1876|  3.29M|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  3.29M|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  8.33M|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 40.7k, False: 8.28M]
  ------------------
 1879|  40.7k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  40.7k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  8.28M|    } else {
 1882|  8.28M|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 8.28M, False: 0]
  ------------------
 1883|  8.28M|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 8.28M]
  |  Branch (1883:9): [True: 8.28M, False: 0]
  |  Branch (1883:9): [True: 8.28M, False: 0]
  ------------------
 1884|  8.28M|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  8.28M|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  8.28M|    }
 1887|  11.6M|}
_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|  3.29M|    {
 1898|  3.29M|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  3.29M|    }
_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|  5.01k|    {
 1898|  5.01k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  5.01k|    }
_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|  1.14M|{
 1873|  1.14M|    auto lshift = lpos.shift();
 1874|  1.14M|    auto rshift = rpos.shift();
 1875|  1.14M|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 2.65k, False: 1.13M]
  ------------------
 1876|  2.65k|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  2.65k|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  1.13M|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 8.53k, False: 1.12M]
  ------------------
 1879|  8.53k|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|  8.53k|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  1.12M|    } else {
 1882|  1.12M|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 1.12M, False: 0]
  ------------------
 1883|  1.12M|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 1.12M]
  |  Branch (1883:9): [True: 1.12M, False: 0]
  |  Branch (1883:9): [True: 1.12M, False: 0]
  ------------------
 1884|  1.12M|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  1.12M|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  1.12M|    }
 1887|  1.14M|}
_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|  3.53k|{
 1824|  3.53k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  3.53k|    plan.fill(lpos, cpos, rpos);
 1826|  3.53k|    plan.shuffle(cpos.shift());
 1827|  3.53k|    IMMER_TRY {
  ------------------
  |  |   49|  3.53k|#define IMMER_TRY try
  ------------------
 1828|  3.53k|        return plan.merge(lpos, cpos, rpos);
 1829|  3.53k|    }
 1830|  3.53k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  3.53k|}
_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|  3.53k|    {
 1753|  3.53k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 3.53k, False: 0]
  ------------------
 1754|  3.53k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 3.53k, False: 0]
  ------------------
 1755|  3.53k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  3.53k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  3.53k|        cpos.each_sub(visitor_t{}, *this);
 1758|  3.53k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  3.53k|    }
_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|  3.53k|    {
 1803|  3.53k|        using node_t    = node_type<CPos>;
 1804|  3.53k|        using merger_t  = concat_merger<node_t>;
 1805|  3.53k|        using visitor_t = concat_merger_visitor;
 1806|  3.53k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  3.53k|        IMMER_TRY {
  ------------------
  |  |   49|  3.53k|#define IMMER_TRY try
  ------------------
 1808|  3.53k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  3.53k|            cpos.each_sub(visitor_t{}, merger);
 1810|  3.53k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  3.53k|            cpos.each_sub(dec_visitor{});
 1812|  3.53k|            return merger.finish();
 1813|  3.53k|        }
 1814|  3.53k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  3.53k|    }
_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|  1.12M|    {
 1918|  1.12M|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  1.12M|    }
_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|   383k|    {
 1918|   383k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|   383k|    }
_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|   393k|{
 1873|   393k|    auto lshift = lpos.shift();
 1874|   393k|    auto rshift = rpos.shift();
 1875|   393k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 878, False: 392k]
  ------------------
 1876|    878|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|    878|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|   392k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 448, False: 392k]
  ------------------
 1879|    448|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    448|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|   392k|    } else {
 1882|   392k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 392k, False: 0]
  ------------------
 1883|   392k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 392k]
  |  Branch (1883:9): [True: 392k, False: 0]
  |  Branch (1883:9): [True: 392k, False: 0]
  ------------------
 1884|   392k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|   392k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|   392k|    }
 1887|   393k|}
_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|  1.26k|    {
 1898|  1.26k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  1.26k|    }
_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|  21.7k|    {
 1918|  21.7k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  21.7k|    }
_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|  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: 202, False: 21.5k]
  ------------------
 1879|    202|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    202|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  21.5k|    } else {
 1882|  21.5k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 21.5k, False: 0]
  ------------------
 1883|  21.5k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 21.5k]
  |  Branch (1883:9): [True: 21.5k, False: 0]
  |  Branch (1883:9): [True: 21.5k, False: 0]
  ------------------
 1884|  21.5k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  21.5k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  21.5k|    }
 1887|  21.7k|}
_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|  16.9k|    {
 1945|  16.9k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|  16.9k|    }
_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|   400k|    {
 1925|   400k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|   400k|    }
_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|   400k|{
 1839|   400k|    static_assert(Node::bits >= 2, "");
 1840|   400k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 400k, False: 0]
  ------------------
 1841|   400k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 400k, False: 0]
  ------------------
 1842|   400k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 400k, False: 0]
  ------------------
 1843|   400k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 400k, False: 0]
  ------------------
 1844|   400k|        return {
 1845|   400k|            Node::bits_leaf,
 1846|   400k|            lpos.node()->inc(),
 1847|   400k|            lpos.count(),
 1848|   400k|            tpos.node()->inc(),
 1849|   400k|            tpos.count(),
 1850|   400k|            rpos.node()->inc(),
 1851|   400k|            rpos.count(),
 1852|   400k|        };
 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|   400k|}
_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|  5.63k|    {
 1938|  5.63k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  5.63k|    }
_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|  21.5k|{
 1824|  21.5k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  21.5k|    plan.fill(lpos, cpos, rpos);
 1826|  21.5k|    plan.shuffle(cpos.shift());
 1827|  21.5k|    IMMER_TRY {
  ------------------
  |  |   49|  21.5k|#define IMMER_TRY try
  ------------------
 1828|  21.5k|        return plan.merge(lpos, cpos, rpos);
 1829|  21.5k|    }
 1830|  21.5k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  21.5k|}
_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|  21.5k|    {
 1753|  21.5k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 21.5k, False: 0]
  ------------------
 1754|  21.5k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 21.5k, False: 0]
  ------------------
 1755|  21.5k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  21.5k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  21.5k|        cpos.each_sub(visitor_t{}, *this);
 1758|  21.5k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  21.5k|    }
_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|  21.5k|    {
 1803|  21.5k|        using node_t    = node_type<CPos>;
 1804|  21.5k|        using merger_t  = concat_merger<node_t>;
 1805|  21.5k|        using visitor_t = concat_merger_visitor;
 1806|  21.5k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  21.5k|        IMMER_TRY {
  ------------------
  |  |   49|  21.5k|#define IMMER_TRY try
  ------------------
 1808|  21.5k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  21.5k|            cpos.each_sub(visitor_t{}, merger);
 1810|  21.5k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  21.5k|            cpos.each_sub(dec_visitor{});
 1812|  21.5k|            return merger.finish();
 1813|  21.5k|        }
 1814|  21.5k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  21.5k|    }
_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|   383k|    {
 1945|   383k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|   383k|    }
_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|   684k|    {
 1925|   684k|        return concat_leafs<Node>(lpos, tpos, rpos);
 1926|   684k|    }
_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|   684k|{
 1839|   684k|    static_assert(Node::bits >= 2, "");
 1840|   684k|    assert(lpos.shift() == tpos.shift());
  ------------------
  |  Branch (1840:5): [True: 684k, False: 0]
  ------------------
 1841|   684k|    assert(lpos.shift() == rpos.shift());
  ------------------
  |  Branch (1841:5): [True: 684k, False: 0]
  ------------------
 1842|   684k|    assert(lpos.shift() == 0);
  ------------------
  |  Branch (1842:5): [True: 684k, False: 0]
  ------------------
 1843|   684k|    if (tpos.count() > 0)
  ------------------
  |  Branch (1843:9): [True: 684k, False: 0]
  ------------------
 1844|   684k|        return {
 1845|   684k|            Node::bits_leaf,
 1846|   684k|            lpos.node()->inc(),
 1847|   684k|            lpos.count(),
 1848|   684k|            tpos.node()->inc(),
 1849|   684k|            tpos.count(),
 1850|   684k|            rpos.node()->inc(),
 1851|   684k|            rpos.count(),
 1852|   684k|        };
 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|   684k|}
_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|  15.4k|    {
 1938|  15.4k|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  15.4k|    }
_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|   392k|{
 1824|   392k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|   392k|    plan.fill(lpos, cpos, rpos);
 1826|   392k|    plan.shuffle(cpos.shift());
 1827|   392k|    IMMER_TRY {
  ------------------
  |  |   49|   392k|#define IMMER_TRY try
  ------------------
 1828|   392k|        return plan.merge(lpos, cpos, rpos);
 1829|   392k|    }
 1830|   392k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|   392k|}
_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|   392k|    {
 1753|   392k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 392k, False: 0]
  ------------------
 1754|   392k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 392k, False: 0]
  ------------------
 1755|   392k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|   392k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|   392k|        cpos.each_sub(visitor_t{}, *this);
 1758|   392k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|   392k|    }
_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|   392k|    {
 1803|   392k|        using node_t    = node_type<CPos>;
 1804|   392k|        using merger_t  = concat_merger<node_t>;
 1805|   392k|        using visitor_t = concat_merger_visitor;
 1806|   392k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|   392k|        IMMER_TRY {
  ------------------
  |  |   49|   392k|#define IMMER_TRY try
  ------------------
 1808|   392k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|   392k|            cpos.each_sub(visitor_t{}, merger);
 1810|   392k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|   392k|            cpos.each_sub(dec_visitor{});
 1812|   392k|            return merger.finish();
 1813|   392k|        }
 1814|   392k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|   392k|    }
_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|   684k|    {
 1945|   684k|        return rpos.first_sub_leaf(concat_right_visitor<Node>{}, lpos, tpos);
 1946|   684k|    }
_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|  1.50M|    {
 1938|  1.50M|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  1.50M|    }
_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|  1.12M|{
 1824|  1.12M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.12M|    plan.fill(lpos, cpos, rpos);
 1826|  1.12M|    plan.shuffle(cpos.shift());
 1827|  1.12M|    IMMER_TRY {
  ------------------
  |  |   49|  1.12M|#define IMMER_TRY try
  ------------------
 1828|  1.12M|        return plan.merge(lpos, cpos, rpos);
 1829|  1.12M|    }
 1830|  1.12M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.12M|}
_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|  1.12M|    {
 1753|  1.12M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.12M, False: 0]
  ------------------
 1754|  1.12M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.12M, False: 0]
  ------------------
 1755|  1.12M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.12M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.12M|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.12M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.12M|    }
_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|  1.12M|    {
 1803|  1.12M|        using node_t    = node_type<CPos>;
 1804|  1.12M|        using merger_t  = concat_merger<node_t>;
 1805|  1.12M|        using visitor_t = concat_merger_visitor;
 1806|  1.12M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.12M|        IMMER_TRY {
  ------------------
  |  |   49|  1.12M|#define IMMER_TRY try
  ------------------
 1808|  1.12M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.12M|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.12M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.12M|            cpos.each_sub(dec_visitor{});
 1812|  1.12M|            return merger.finish();
 1813|  1.12M|        }
 1814|  1.12M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.12M|    }
_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|  3.30M|{
 1824|  3.30M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  3.30M|    plan.fill(lpos, cpos, rpos);
 1826|  3.30M|    plan.shuffle(cpos.shift());
 1827|  3.30M|    IMMER_TRY {
  ------------------
  |  |   49|  3.30M|#define IMMER_TRY try
  ------------------
 1828|  3.30M|        return plan.merge(lpos, cpos, rpos);
 1829|  3.30M|    }
 1830|  3.30M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  3.30M|}
_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|  3.30M|    {
 1753|  3.30M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 3.30M, False: 0]
  ------------------
 1754|  3.30M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 3.30M, False: 0]
  ------------------
 1755|  3.30M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  3.30M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  3.30M|        cpos.each_sub(visitor_t{}, *this);
 1758|  3.30M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  3.30M|    }
_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|  3.30M|    {
 1803|  3.30M|        using node_t    = node_type<CPos>;
 1804|  3.30M|        using merger_t  = concat_merger<node_t>;
 1805|  3.30M|        using visitor_t = concat_merger_visitor;
 1806|  3.30M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  3.30M|        IMMER_TRY {
  ------------------
  |  |   49|  3.30M|#define IMMER_TRY try
  ------------------
 1808|  3.30M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  3.30M|            cpos.each_sub(visitor_t{}, merger);
 1810|  3.30M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  3.30M|            cpos.each_sub(dec_visitor{});
 1812|  3.30M|            return merger.finish();
 1813|  3.30M|        }
 1814|  3.30M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  3.30M|    }
_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|  7.27M|    {
 1918|  7.27M|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  7.27M|    }
_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|    750|    {
 1918|    750|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|    750|    }
_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|  18.0k|{
 1873|  18.0k|    auto lshift = lpos.shift();
 1874|  18.0k|    auto rshift = rpos.shift();
 1875|  18.0k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 10.5k, False: 7.52k]
  ------------------
 1876|  10.5k|        auto cpos = lpos.last_sub(concat_left_visitor<Node>{}, tpos, rpos);
 1877|  10.5k|        return concat_rebalance<Node>(lpos, cpos, null_sub_pos{});
 1878|  10.5k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 575, False: 6.94k]
  ------------------
 1879|    575|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    575|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  6.94k|    } else {
 1882|  6.94k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 6.94k, False: 0]
  ------------------
 1883|  6.94k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 6.94k]
  |  Branch (1883:9): [True: 6.94k, False: 0]
  |  Branch (1883:9): [True: 6.94k, False: 0]
  ------------------
 1884|  6.94k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  6.94k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  6.94k|    }
 1887|  18.0k|}
_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|  10.1k|    {
 1898|  10.1k|        return concat_inners<Node>(lpos, tpos, rpos);
 1899|  10.1k|    }
_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|  1.44k|    {
 1918|  1.44k|        return concat_inners<Node>(lpos, tpos, rpos);
 1919|  1.44k|    }
_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|  1.44k|{
 1873|  1.44k|    auto lshift = lpos.shift();
 1874|  1.44k|    auto rshift = rpos.shift();
 1875|  1.44k|    if (lshift > rshift) {
  ------------------
  |  Branch (1875:9): [True: 0, False: 1.44k]
  ------------------
 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|  1.44k|    } else if (lshift < rshift) {
  ------------------
  |  Branch (1878:16): [True: 195, False: 1.24k]
  ------------------
 1879|    195|        auto cpos = rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1880|    195|        return concat_rebalance<Node>(null_sub_pos{}, cpos, rpos);
 1881|  1.24k|    } else {
 1882|  1.24k|        assert(lshift == rshift);
  ------------------
  |  Branch (1882:9): [True: 1.24k, False: 0]
  ------------------
 1883|  1.24k|        assert(Node::bits_leaf == 0u || lshift > 0);
  ------------------
  |  Branch (1883:9): [Folded, False: 1.24k]
  |  Branch (1883:9): [True: 1.24k, False: 0]
  |  Branch (1883:9): [True: 1.24k, False: 0]
  ------------------
 1884|  1.24k|        auto cpos = lpos.last_sub(concat_both_visitor<Node>{}, tpos, rpos);
 1885|  1.24k|        return concat_rebalance<Node>(lpos, cpos, rpos);
 1886|  1.24k|    }
 1887|  1.44k|}
_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|    219|    {
 1938|    219|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|    219|    }
_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|  1.24k|{
 1824|  1.24k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  1.24k|    plan.fill(lpos, cpos, rpos);
 1826|  1.24k|    plan.shuffle(cpos.shift());
 1827|  1.24k|    IMMER_TRY {
  ------------------
  |  |   49|  1.24k|#define IMMER_TRY try
  ------------------
 1828|  1.24k|        return plan.merge(lpos, cpos, rpos);
 1829|  1.24k|    }
 1830|  1.24k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  1.24k|}
_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|  1.24k|    {
 1753|  1.24k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 1.24k, False: 0]
  ------------------
 1754|  1.24k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 1.24k, False: 0]
  ------------------
 1755|  1.24k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  1.24k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  1.24k|        cpos.each_sub(visitor_t{}, *this);
 1758|  1.24k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  1.24k|    }
_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|  1.24k|    {
 1803|  1.24k|        using node_t    = node_type<CPos>;
 1804|  1.24k|        using merger_t  = concat_merger<node_t>;
 1805|  1.24k|        using visitor_t = concat_merger_visitor;
 1806|  1.24k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  1.24k|        IMMER_TRY {
  ------------------
  |  |   49|  1.24k|#define IMMER_TRY try
  ------------------
 1808|  1.24k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  1.24k|            cpos.each_sub(visitor_t{}, merger);
 1810|  1.24k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  1.24k|            cpos.each_sub(dec_visitor{});
 1812|  1.24k|            return merger.finish();
 1813|  1.24k|        }
 1814|  1.24k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  1.24k|    }
_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|    455|    {
 1938|    455|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|    455|    }
_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|  6.94k|{
 1824|  6.94k|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  6.94k|    plan.fill(lpos, cpos, rpos);
 1826|  6.94k|    plan.shuffle(cpos.shift());
 1827|  6.94k|    IMMER_TRY {
  ------------------
  |  |   49|  6.94k|#define IMMER_TRY try
  ------------------
 1828|  6.94k|        return plan.merge(lpos, cpos, rpos);
 1829|  6.94k|    }
 1830|  6.94k|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  6.94k|}
_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|  6.94k|    {
 1753|  6.94k|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 6.94k, False: 0]
  ------------------
 1754|  6.94k|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 6.94k, False: 0]
  ------------------
 1755|  6.94k|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  6.94k|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  6.94k|        cpos.each_sub(visitor_t{}, *this);
 1758|  6.94k|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  6.94k|    }
_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|  6.94k|    {
 1803|  6.94k|        using node_t    = node_type<CPos>;
 1804|  6.94k|        using merger_t  = concat_merger<node_t>;
 1805|  6.94k|        using visitor_t = concat_merger_visitor;
 1806|  6.94k|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  6.94k|        IMMER_TRY {
  ------------------
  |  |   49|  6.94k|#define IMMER_TRY try
  ------------------
 1808|  6.94k|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  6.94k|            cpos.each_sub(visitor_t{}, merger);
 1810|  6.94k|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  6.94k|            cpos.each_sub(dec_visitor{});
 1812|  6.94k|            return merger.finish();
 1813|  6.94k|        }
 1814|  6.94k|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  6.94k|    }
_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|  7.23M|    {
 1938|  7.23M|        return rpos.first_sub(concat_right_visitor<Node>{}, lpos, tpos);
 1939|  7.23M|    }
_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|  8.28M|{
 1824|  8.28M|    auto plan = concat_rebalance_plan<Node::bits, Node::bits_leaf>{};
 1825|  8.28M|    plan.fill(lpos, cpos, rpos);
 1826|  8.28M|    plan.shuffle(cpos.shift());
 1827|  8.28M|    IMMER_TRY {
  ------------------
  |  |   49|  8.28M|#define IMMER_TRY try
  ------------------
 1828|  8.28M|        return plan.merge(lpos, cpos, rpos);
 1829|  8.28M|    }
 1830|  8.28M|    IMMER_CATCH (...) {
 1831|      0|        cpos.each_sub(dec_visitor{});
 1832|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1833|      0|    }
 1834|  8.28M|}
_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|  8.28M|    {
 1753|  8.28M|        assert(n == 0u);
  ------------------
  |  Branch (1753:9): [True: 8.28M, False: 0]
  ------------------
 1754|  8.28M|        assert(total == 0u);
  ------------------
  |  Branch (1754:9): [True: 8.28M, False: 0]
  ------------------
 1755|  8.28M|        using visitor_t = concat_rebalance_plan_fill_visitor;
 1756|  8.28M|        lpos.each_left_sub(visitor_t{}, *this);
 1757|  8.28M|        cpos.each_sub(visitor_t{}, *this);
 1758|  8.28M|        rpos.each_right_sub(visitor_t{}, *this);
 1759|  8.28M|    }
_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|  8.28M|    {
 1803|  8.28M|        using node_t    = node_type<CPos>;
 1804|  8.28M|        using merger_t  = concat_merger<node_t>;
 1805|  8.28M|        using visitor_t = concat_merger_visitor;
 1806|  8.28M|        auto merger     = merger_t{cpos.shift(), counts, n};
 1807|  8.28M|        IMMER_TRY {
  ------------------
  |  |   49|  8.28M|#define IMMER_TRY try
  ------------------
 1808|  8.28M|            lpos.each_left_sub(visitor_t{}, merger);
 1809|  8.28M|            cpos.each_sub(visitor_t{}, merger);
 1810|  8.28M|            rpos.each_right_sub(visitor_t{}, merger);
 1811|  8.28M|            cpos.each_sub(dec_visitor{});
 1812|  8.28M|            return merger.finish();
 1813|  8.28M|        }
 1814|  8.28M|        IMMER_CATCH (...) {
 1815|      0|            merger.abort();
 1816|      0|            IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
 1817|      0|        }
 1818|  8.28M|    }
_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|  7.16k|    {
 1959|  7.16k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  7.16k|    }
_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|  15.9k|    {
 1972|  15.9k|        return visit_maybe_relaxed_sub(
 1973|  15.9k|            args..., concat_trees_right_visitor<Node>{}, lpos, tpos);
 1974|  15.9k|    }
_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|  6.82k|    {
 1959|  6.82k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  6.82k|    }
_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|  9.08k|    {
 1959|  9.08k|        return concat_inners<Node>(lpos, tpos, rpos);
 1960|  9.08k|    }
_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|   176k|    {
  681|   176k|        auto node     = pos.node();
  682|   176k|        auto level    = pos.shift();
  683|   176k|        auto idx      = pos.count() - 1;
  684|   176k|        auto children = pos.size(idx);
  685|   176k|        auto new_idx =
  686|   176k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (686:13): [True: 2.74k, False: 174k]
  |  Branch (686:47): [True: 303, False: 173k]
  ------------------
  687|   176k|        auto new_child = static_cast<node_t*>(nullptr);
  688|   176k|        auto mutate    = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (688:26): [True: 176k, Folded]
  |  Branch (688:38): [True: 173k, False: 3.13k]
  ------------------
  689|       |
  690|   176k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (690:13): [True: 749, False: 176k]
  ------------------
  691|    749|            return nullptr;
  692|   176k|        else if (idx == new_idx) {
  ------------------
  |  Branch (692:18): [True: 173k, False: 2.29k]
  ------------------
  693|   173k|            new_child =
  694|   173k|                mutate ? pos.last_oh_csh(this_t{}, idx, children, e, tail, ts)
  ------------------
  |  Branch (694:17): [True: 171k, False: 2.68k]
  ------------------
  695|   173k|                       : pos.last_oh_csh(
  696|  2.68k|                             this_no_mut_t{}, idx, children, e, tail, ts);
  697|   173k|            if (!new_child) {
  ------------------
  |  Branch (697:17): [True: 1.02k, False: 172k]
  ------------------
  698|  1.02k|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (698:21): [True: 324, False: 705]
  ------------------
  699|    324|                    new_child = node_t::make_path_e(e, level - B, tail);
  700|    705|                else
  701|    705|                    return nullptr;
  702|  1.02k|            }
  703|   173k|        } else
  704|  2.29k|            new_child = node_t::make_path_e(e, level - B, tail);
  705|       |
  706|   175k|        if (mutate) {
  ------------------
  |  Branch (706:13): [True: 172k, False: 2.81k]
  ------------------
  707|   172k|            auto count             = new_idx + 1;
  708|   172k|            auto relaxed           = node->ensure_mutable_relaxed_n(e, new_idx);
  709|   172k|            node->inner()[new_idx] = new_child;
  710|   172k|            relaxed->d.sizes[new_idx] = pos.size() + ts;
  711|   172k|            relaxed->d.count          = count;
  712|   172k|            assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (712:13): [True: 172k, False: 0]
  ------------------
  713|   172k|            return node;
  714|   172k|        } else {
  715|  2.81k|            IMMER_TRY {
  ------------------
  |  |   49|  2.81k|#define IMMER_TRY try
  ------------------
  716|  2.81k|                auto count    = new_idx + 1;
  717|  2.81k|                auto new_node = node_t::copy_inner_r_e(e, pos.node(), new_idx);
  718|  2.81k|                auto relaxed  = new_node->relaxed();
  719|  2.81k|                new_node->inner()[new_idx] = new_child;
  720|  2.81k|                relaxed->d.sizes[new_idx]  = pos.size() + ts;
  721|  2.81k|                relaxed->d.count           = count;
  722|  2.81k|                assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (722:17): [True: 2.81k, False: 0]
  ------------------
  723|  2.81k|                if (Mutating)
  ------------------
  |  Branch (723:21): [True: 2.81k, Folded]
  ------------------
  724|  2.81k|                    pos.visit(dec_visitor{});
  725|  2.81k|                return new_node;
  726|  2.81k|            }
  727|  2.81k|            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|  2.81k|        }
  737|   175k|    }
_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|   157k|    {
  742|   157k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 157k, False: 0]
  ------------------
  743|   157k|        auto node    = pos.node();
  744|   157k|        auto idx     = pos.index(pos.size() - 1);
  745|   157k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|   157k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 157k, Folded]
  |  Branch (746:36): [True: 155k, False: 1.37k]
  ------------------
  747|   157k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 155k, False: 1.37k]
  ------------------
  748|   155k|            node->inner()[new_idx] =
  749|   155k|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 153k, False: 2.66k]
  ------------------
  750|       |                               /* otherwise */
  751|   155k|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|   155k|            return node;
  753|   155k|        } else {
  754|  1.37k|            auto new_parent = node_t::make_inner_e(e);
  755|  1.37k|            IMMER_TRY {
  ------------------
  |  |   49|  1.37k|#define IMMER_TRY try
  ------------------
  756|  1.37k|                new_parent->inner()[new_idx] =
  757|  1.37k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 1.01k, False: 360]
  ------------------
  758|  1.37k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  1.37k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  1.37k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  1.37k|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 1.37k, Folded]
  ------------------
  763|  1.37k|                    pos.visit(dec_visitor{});
  764|  1.37k|                return new_parent;
  765|  1.37k|            }
  766|  1.37k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  1.37k|        }
  771|   157k|    }
_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|  1.03M|    {
  742|  1.03M|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 1.03M, False: 0]
  ------------------
  743|  1.03M|        auto node    = pos.node();
  744|  1.03M|        auto idx     = pos.index(pos.size() - 1);
  745|  1.03M|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  1.03M|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 1.03M, Folded]
  |  Branch (746:36): [True: 1.03M, False: 2.10k]
  ------------------
  747|  1.03M|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 1.03M, False: 2.10k]
  ------------------
  748|  1.03M|            node->inner()[new_idx] =
  749|  1.03M|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 709k, False: 324k]
  ------------------
  750|       |                               /* otherwise */
  751|  1.03M|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|  1.03M|            return node;
  753|  1.03M|        } else {
  754|  2.10k|            auto new_parent = node_t::make_inner_e(e);
  755|  2.10k|            IMMER_TRY {
  ------------------
  |  |   49|  2.10k|#define IMMER_TRY try
  ------------------
  756|  2.10k|                new_parent->inner()[new_idx] =
  757|  2.10k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 1.45k, False: 651]
  ------------------
  758|  2.10k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  2.10k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  2.10k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  2.10k|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 2.10k, Folded]
  ------------------
  763|  2.10k|                    pos.visit(dec_visitor{});
  764|  2.10k|                return new_parent;
  765|  2.10k|            }
  766|  2.10k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  2.10k|        }
  771|  1.03M|    }
_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|  6.10k|    {
  742|  6.10k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 6.10k, False: 0]
  ------------------
  743|  6.10k|        auto node    = pos.node();
  744|  6.10k|        auto idx     = pos.index(pos.size() - 1);
  745|  6.10k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  6.10k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [Folded, False: 6.10k]
  |  Branch (746:36): [True: 0, False: 0]
  ------------------
  747|  6.10k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 0, False: 6.10k]
  ------------------
  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|  6.10k|        } else {
  754|  6.10k|            auto new_parent = node_t::make_inner_e(e);
  755|  6.10k|            IMMER_TRY {
  ------------------
  |  |   49|  6.10k|#define IMMER_TRY try
  ------------------
  756|  6.10k|                new_parent->inner()[new_idx] =
  757|  6.10k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 2.57k, False: 3.52k]
  ------------------
  758|  6.10k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  6.10k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  6.10k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  6.10k|                if (Mutating)
  ------------------
  |  Branch (762:21): [Folded, False: 6.10k]
  ------------------
  763|      0|                    pos.visit(dec_visitor{});
  764|  6.10k|                return new_parent;
  765|  6.10k|            }
  766|  6.10k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  6.10k|        }
  771|  6.10k|    }
_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|  7.04k|    {
  681|  7.04k|        auto node     = pos.node();
  682|  7.04k|        auto level    = pos.shift();
  683|  7.04k|        auto idx      = pos.count() - 1;
  684|  7.04k|        auto children = pos.size(idx);
  685|  7.04k|        auto new_idx =
  686|  7.04k|            children == size_t{1} << level || level == BL ? idx + 1 : idx;
  ------------------
  |  Branch (686:13): [True: 815, False: 6.23k]
  |  Branch (686:47): [True: 685, False: 5.54k]
  ------------------
  687|  7.04k|        auto new_child = static_cast<node_t*>(nullptr);
  688|  7.04k|        auto mutate    = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (688:26): [Folded, False: 7.04k]
  |  Branch (688:38): [True: 0, False: 0]
  ------------------
  689|       |
  690|  7.04k|        if (new_idx >= branches<B>)
  ------------------
  |  Branch (690:13): [True: 633, False: 6.41k]
  ------------------
  691|    633|            return nullptr;
  692|  6.41k|        else if (idx == new_idx) {
  ------------------
  |  Branch (692:18): [True: 5.54k, False: 867]
  ------------------
  693|  5.54k|            new_child =
  694|  5.54k|                mutate ? pos.last_oh_csh(this_t{}, idx, children, e, tail, ts)
  ------------------
  |  Branch (694:17): [True: 0, False: 5.54k]
  ------------------
  695|  5.54k|                       : pos.last_oh_csh(
  696|  5.54k|                             this_no_mut_t{}, idx, children, e, tail, ts);
  697|  5.54k|            if (!new_child) {
  ------------------
  |  Branch (697:17): [True: 775, False: 4.77k]
  ------------------
  698|    775|                if (++new_idx < branches<B>)
  ------------------
  |  Branch (698:21): [True: 332, False: 443]
  ------------------
  699|    332|                    new_child = node_t::make_path_e(e, level - B, tail);
  700|    443|                else
  701|    443|                    return nullptr;
  702|    775|            }
  703|  5.54k|        } else
  704|    867|            new_child = node_t::make_path_e(e, level - B, tail);
  705|       |
  706|  5.97k|        if (mutate) {
  ------------------
  |  Branch (706:13): [True: 0, False: 5.97k]
  ------------------
  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|  5.97k|        } else {
  715|  5.97k|            IMMER_TRY {
  ------------------
  |  |   49|  5.97k|#define IMMER_TRY try
  ------------------
  716|  5.97k|                auto count    = new_idx + 1;
  717|  5.97k|                auto new_node = node_t::copy_inner_r_e(e, pos.node(), new_idx);
  718|  5.97k|                auto relaxed  = new_node->relaxed();
  719|  5.97k|                new_node->inner()[new_idx] = new_child;
  720|  5.97k|                relaxed->d.sizes[new_idx]  = pos.size() + ts;
  721|  5.97k|                relaxed->d.count           = count;
  722|  5.97k|                assert(relaxed->d.sizes[new_idx]);
  ------------------
  |  Branch (722:17): [True: 5.97k, False: 0]
  ------------------
  723|  5.97k|                if (Mutating)
  ------------------
  |  Branch (723:21): [Folded, False: 5.97k]
  ------------------
  724|      0|                    pos.visit(dec_visitor{});
  725|  5.97k|                return new_node;
  726|  5.97k|            }
  727|  5.97k|            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|  5.97k|        }
  737|  5.97k|    }
_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|  1.18k|    {
  742|  1.18k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 1.18k, False: 0]
  ------------------
  743|  1.18k|        auto node    = pos.node();
  744|  1.18k|        auto idx     = pos.index(pos.size() - 1);
  745|  1.18k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|  1.18k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [Folded, False: 1.18k]
  |  Branch (746:36): [True: 0, False: 0]
  ------------------
  747|  1.18k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 0, False: 1.18k]
  ------------------
  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|  1.18k|        } else {
  754|  1.18k|            auto new_parent = node_t::make_inner_e(e);
  755|  1.18k|            IMMER_TRY {
  ------------------
  |  |   49|  1.18k|#define IMMER_TRY try
  ------------------
  756|  1.18k|                new_parent->inner()[new_idx] =
  757|  1.18k|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 749, False: 433]
  ------------------
  758|  1.18k|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|  1.18k|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|  1.18k|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|  1.18k|                if (Mutating)
  ------------------
  |  Branch (762:21): [Folded, False: 1.18k]
  ------------------
  763|      0|                    pos.visit(dec_visitor{});
  764|  1.18k|                return new_parent;
  765|  1.18k|            }
  766|  1.18k|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|  1.18k|        }
  771|  1.18k|    }
_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|   182k|    {
  742|   182k|        assert((pos.size() & mask<BL>) == 0);
  ------------------
  |  Branch (742:9): [True: 182k, False: 0]
  ------------------
  743|   182k|        auto node    = pos.node();
  744|   182k|        auto idx     = pos.index(pos.size() - 1);
  745|   182k|        auto new_idx = pos.index(pos.size() + branches<BL> - 1);
  746|   182k|        auto mutate  = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (746:24): [True: 182k, Folded]
  |  Branch (746:36): [True: 182k, False: 612]
  ------------------
  747|   182k|        if (mutate) {
  ------------------
  |  Branch (747:13): [True: 182k, False: 612]
  ------------------
  748|   182k|            node->inner()[new_idx] =
  749|   182k|                idx == new_idx ? pos.last_oh(this_t{}, idx, e, tail)
  ------------------
  |  Branch (749:17): [True: 173k, False: 8.39k]
  ------------------
  750|       |                               /* otherwise */
  751|   182k|                               : node_t::make_path_e(e, pos.shift() - B, tail);
  752|   182k|            return node;
  753|   182k|        } else {
  754|    612|            auto new_parent = node_t::make_inner_e(e);
  755|    612|            IMMER_TRY {
  ------------------
  |  |   49|    612|#define IMMER_TRY try
  ------------------
  756|    612|                new_parent->inner()[new_idx] =
  757|    612|                    idx == new_idx
  ------------------
  |  Branch (757:21): [True: 307, False: 305]
  ------------------
  758|    612|                        ? pos.last_oh(this_no_mut_t{}, idx, e, tail)
  759|       |                        /* otherwise */
  760|    612|                        : node_t::make_path_e(e, pos.shift() - B, tail);
  761|    612|                node_t::do_copy_inner(new_parent, node, new_idx);
  762|    612|                if (Mutating)
  ------------------
  |  Branch (762:21): [True: 612, Folded]
  ------------------
  763|    612|                    pos.visit(dec_visitor{});
  764|    612|                return new_parent;
  765|    612|            }
  766|    612|            IMMER_CATCH (...) {
  767|      0|                node_t::delete_inner_e(new_parent);
  768|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  769|      0|            }
  770|    612|        }
  771|   182k|    }
_ZN5immer6detail4rbts17dec_empty_regularINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEvPT_:
  580|  2.16k|{
  581|  2.16k|    make_empty_regular_pos(node).visit(dec_visitor());
  582|  2.16k|}
_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|  97.6k|    {
  596|  97.6k|        auto offset = pos.index(idx);
  597|  97.6k|        auto count  = pos.count();
  598|  97.6k|        auto node   = pos.node();
  599|  97.6k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (599:13): [True: 72.1k, False: 25.5k]
  ------------------
  600|  72.1k|            return pos.towards_oh(
  601|  72.1k|                this_t{}, idx, offset, e, &node->inner()[offset]);
  602|  72.1k|        } else {
  603|  25.5k|            auto new_node = node_t::copy_inner_sr_e(e, node, count);
  604|  25.5k|            IMMER_TRY {
  ------------------
  |  |   49|  25.5k|#define IMMER_TRY try
  ------------------
  605|  25.5k|                auto& res = pos.towards_oh(
  606|  25.5k|                    this_t{}, idx, offset, e, &new_node->inner()[offset]);
  607|  25.5k|                pos.visit(dec_visitor{});
  608|  25.5k|                *location = new_node;
  609|  25.5k|                return res;
  610|  25.5k|            }
  611|  25.5k|            IMMER_CATCH (...) {
  612|      0|                dec_relaxed(new_node, pos.shift());
  613|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  614|      0|            }
  615|  25.5k|        }
  616|  97.6k|    }
_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|  14.8k|    {
  653|  14.8k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 14.8k, False: 0]
  ------------------
  654|  14.8k|        auto node = pos.node();
  655|  14.8k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 1.73k, False: 13.1k]
  ------------------
  656|  1.73k|            return node->leaf()[pos.index(idx)];
  657|  13.1k|        } else {
  658|  13.1k|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|  13.1k|            pos.visit(dec_visitor{});
  660|  13.1k|            *location = new_node;
  661|  13.1k|            return new_node->leaf()[pos.index(idx)];
  662|  13.1k|        }
  663|  14.8k|    }
_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|  4.66k|    {
  622|  4.66k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 4.66k, False: 0]
  ------------------
  623|  4.66k|        auto offset = pos.index(idx);
  624|  4.66k|        auto count  = pos.count();
  625|  4.66k|        auto node   = pos.node();
  626|  4.66k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 3.07k, False: 1.59k]
  ------------------
  627|  3.07k|            return pos.towards_oh_ch(
  628|  3.07k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  3.07k|        } else {
  630|  1.59k|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|  1.59k|            IMMER_TRY {
  ------------------
  |  |   49|  1.59k|#define IMMER_TRY try
  ------------------
  632|  1.59k|                auto& res = pos.towards_oh_ch(this_t{},
  633|  1.59k|                                              idx,
  634|  1.59k|                                              offset,
  635|  1.59k|                                              count,
  636|  1.59k|                                              e,
  637|  1.59k|                                              &new_node->inner()[offset]);
  638|  1.59k|                pos.visit(dec_visitor{});
  639|  1.59k|                *location = new_node;
  640|  1.59k|                return res;
  641|  1.59k|            }
  642|  1.59k|            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|  1.59k|        }
  647|  4.66k|    }
_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|  2.72k|    {
  653|  2.72k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 2.72k, False: 0]
  ------------------
  654|  2.72k|        auto node = pos.node();
  655|  2.72k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 1.23k, False: 1.48k]
  ------------------
  656|  1.23k|            return node->leaf()[pos.index(idx)];
  657|  1.48k|        } else {
  658|  1.48k|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|  1.48k|            pos.visit(dec_visitor{});
  660|  1.48k|            *location = new_node;
  661|  1.48k|            return new_node->leaf()[pos.index(idx)];
  662|  1.48k|        }
  663|  2.72k|    }
_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|  2.01k|    {
  622|  2.01k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 2.01k, False: 0]
  ------------------
  623|  2.01k|        auto offset = pos.index(idx);
  624|  2.01k|        auto count  = pos.count();
  625|  2.01k|        auto node   = pos.node();
  626|  2.01k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 1.11k, False: 901]
  ------------------
  627|  1.11k|            return pos.towards_oh_ch(
  628|  1.11k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  1.11k|        } else {
  630|    901|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|    901|            IMMER_TRY {
  ------------------
  |  |   49|    901|#define IMMER_TRY try
  ------------------
  632|    901|                auto& res = pos.towards_oh_ch(this_t{},
  633|    901|                                              idx,
  634|    901|                                              offset,
  635|    901|                                              count,
  636|    901|                                              e,
  637|    901|                                              &new_node->inner()[offset]);
  638|    901|                pos.visit(dec_visitor{});
  639|    901|                *location = new_node;
  640|    901|                return res;
  641|    901|            }
  642|    901|            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|    901|        }
  647|  2.01k|    }
_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|  1.94k|    {
  653|  1.94k|        assert(pos.node() == *location);
  ------------------
  |  Branch (653:9): [True: 1.94k, False: 0]
  ------------------
  654|  1.94k|        auto node = pos.node();
  655|  1.94k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (655:13): [True: 1.38k, False: 557]
  ------------------
  656|  1.38k|            return node->leaf()[pos.index(idx)];
  657|  1.38k|        } else {
  658|    557|            auto new_node = node_t::copy_leaf_e(e, pos.node(), pos.count());
  659|    557|            pos.visit(dec_visitor{});
  660|    557|            *location = new_node;
  661|    557|            return new_node->leaf()[pos.index(idx)];
  662|    557|        }
  663|  1.94k|    }
_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|  1.60k|    {
  622|  1.60k|        assert(pos.node() == *location);
  ------------------
  |  Branch (622:9): [True: 1.60k, False: 0]
  ------------------
  623|  1.60k|        auto offset = pos.index(idx);
  624|  1.60k|        auto count  = pos.count();
  625|  1.60k|        auto node   = pos.node();
  626|  1.60k|        if (node->can_mutate(e)) {
  ------------------
  |  Branch (626:13): [True: 1.39k, False: 207]
  ------------------
  627|  1.39k|            return pos.towards_oh_ch(
  628|  1.39k|                this_t{}, idx, offset, count, e, &node->inner()[offset]);
  629|  1.39k|        } else {
  630|    207|            auto new_node = node_t::copy_inner_e(e, node, count);
  631|    207|            IMMER_TRY {
  ------------------
  |  |   49|    207|#define IMMER_TRY try
  ------------------
  632|    207|                auto& res = pos.towards_oh_ch(this_t{},
  633|    207|                                              idx,
  634|    207|                                              offset,
  635|    207|                                              count,
  636|    207|                                              e,
  637|    207|                                              &new_node->inner()[offset]);
  638|    207|                pos.visit(dec_visitor{});
  639|    207|                *location = new_node;
  640|    207|                return res;
  641|    207|            }
  642|    207|            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|    207|        }
  647|  1.60k|    }
_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|  37.5k|    {
  914|  37.5k|        auto idx    = pos.index(last);
  915|  37.5k|        auto node   = pos.node();
  916|  37.5k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [True: 37.5k, Folded]
  |  Branch (916:35): [True: 29.4k, False: 8.12k]
  ------------------
  917|  37.5k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [True: 37.5k, Folded]
  |  Branch (917:25): [True: 24.6k, False: 12.9k]
  ------------------
  918|  24.6k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 21.0k, False: 3.52k]
  ------------------
  919|  24.6k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|  24.6k|            if (Mutating)
  ------------------
  |  Branch (920:17): [True: 24.6k, Folded]
  ------------------
  921|  24.6k|                pos.visit(dec_right_visitor{}, count_t{1});
  922|  24.6k|            return res;
  923|  24.6k|        } else {
  924|  12.9k|            using std::get;
  925|  12.9k|            auto subs =
  926|  12.9k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 8.31k, False: 4.59k]
  ------------------
  927|  12.9k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  12.9k|            auto next = get<1>(subs);
  929|  12.9k|            auto ts   = get<2>(subs);
  930|  12.9k|            auto tail = get<3>(subs);
  931|  12.9k|            IMMER_TRY {
  ------------------
  |  |   49|  12.9k|#define IMMER_TRY try
  ------------------
  932|  12.9k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 9.25k, False: 3.66k]
  ------------------
  933|  9.25k|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 6.01k, False: 3.24k]
  ------------------
  934|  6.01k|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|  6.01k|                        pos.each_right(dec_visitor{}, idx + 1);
  936|  6.01k|                        node->inner()[idx] = next;
  937|  6.01k|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|  6.01k|                        nodr->d.count      = idx + 1;
  939|  6.01k|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 6.01k, False: 0]
  ------------------
  940|  6.01k|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|  6.01k|                    } else {
  942|  3.24k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|  3.24k|                        auto newr = newn->relaxed();
  944|  3.24k|                        newn->inner()[idx] = next;
  945|  3.24k|                        newr->d.sizes[idx] = last + 1 - ts;
  946|  3.24k|                        newr->d.count      = idx + 1;
  947|  3.24k|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 3.24k, False: 0]
  ------------------
  948|  3.24k|                        if (Mutating)
  ------------------
  |  Branch (948:29): [True: 3.24k, Folded]
  ------------------
  949|  3.24k|                            pos.visit(dec_visitor{});
  950|  3.24k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|  3.24k|                    }
  952|  9.25k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 0, False: 3.66k]
  ------------------
  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|  3.66k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [True: 3.66k, Folded]
  |  Branch (956:40): [True: 2.75k, False: 910]
  |  Branch (956:52): [True: 2.12k, False: 636]
  ------------------
  957|  2.12k|                    auto newn = pos.node()->inner()[0];
  958|  2.12k|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 891, False: 1.22k]
  ------------------
  959|    891|                        newn->inc();
  960|  2.12k|                    if (Mutating)
  ------------------
  |  Branch (960:25): [True: 2.12k, Folded]
  ------------------
  961|  2.12k|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|  2.12k|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|  2.12k|                } else {
  964|  1.54k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 1.07k, False: 467]
  ------------------
  965|  1.07k|                        pos.each_right(dec_visitor{}, idx + 1);
  966|  1.07k|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|  1.07k|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|  1.07k|                    } else {
  969|    467|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    467|                        if (Mutating)
  ------------------
  |  Branch (970:29): [True: 467, Folded]
  ------------------
  971|    467|                            pos.visit(dec_visitor{});
  972|    467|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    467|                    }
  974|  1.54k|                }
  975|  12.9k|            }
  976|  12.9k|            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|  12.9k|        }
  987|  37.5k|    }
_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|    983|    {
 1060|    983|        auto old_tail_size = pos.count();
 1061|    983|        auto new_tail_size = pos.index(last) + 1;
 1062|    983|        auto node          = pos.node();
 1063|    983|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 983, Folded]
  |  Branch (1063:42): [True: 336, False: 647]
  ------------------
 1064|    983|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 220, False: 763]
  ------------------
 1065|    220|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 220]
  ------------------
 1066|      0|                node->inc();
 1067|    220|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    763|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 320, False: 443]
  ------------------
 1069|    320|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    320|                              old_tail_size - new_tail_size);
 1071|    320|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    443|        } else {
 1073|    443|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    443|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 443, Folded]
  ------------------
 1075|    443|                pos.visit(dec_visitor{});
 1076|    443|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    443|        }
 1078|    983|    }
_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|    751|    {
 1060|    751|        auto old_tail_size = pos.count();
 1061|    751|        auto new_tail_size = pos.index(last) + 1;
 1062|    751|        auto node          = pos.node();
 1063|    751|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 751]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|    751|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 356, False: 395]
  ------------------
 1065|    356|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 356, Folded]
  ------------------
 1066|    356|                node->inc();
 1067|    356|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    395|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 395]
  ------------------
 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|    395|        } else {
 1073|    395|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    395|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 395]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    395|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    395|        }
 1078|    751|    }
_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|  9.23k|    {
  914|  9.23k|        auto idx    = pos.index(last);
  915|  9.23k|        auto node   = pos.node();
  916|  9.23k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [Folded, False: 9.23k]
  |  Branch (916:35): [True: 0, False: 0]
  ------------------
  917|  9.23k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [True: 9.23k, Folded]
  |  Branch (917:25): [True: 7.76k, False: 1.47k]
  ------------------
  918|  7.76k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (918:24): [True: 0, False: 7.76k]
  ------------------
  919|  7.76k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  920|  7.76k|            if (Mutating)
  ------------------
  |  Branch (920:17): [Folded, False: 7.76k]
  ------------------
  921|      0|                pos.visit(dec_right_visitor{}, count_t{1});
  922|  7.76k|            return res;
  923|  7.76k|        } else {
  924|  1.47k|            using std::get;
  925|  1.47k|            auto subs =
  926|  1.47k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 0, False: 1.47k]
  ------------------
  927|  1.47k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  1.47k|            auto next = get<1>(subs);
  929|  1.47k|            auto ts   = get<2>(subs);
  930|  1.47k|            auto tail = get<3>(subs);
  931|  1.47k|            IMMER_TRY {
  ------------------
  |  |   49|  1.47k|#define IMMER_TRY try
  ------------------
  932|  1.47k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 520, False: 957]
  ------------------
  933|    520|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 0, False: 520]
  ------------------
  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|    520|                    } else {
  942|    520|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|    520|                        auto newr = newn->relaxed();
  944|    520|                        newn->inner()[idx] = next;
  945|    520|                        newr->d.sizes[idx] = last + 1 - ts;
  946|    520|                        newr->d.count      = idx + 1;
  947|    520|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 520, False: 0]
  ------------------
  948|    520|                        if (Mutating)
  ------------------
  |  Branch (948:29): [Folded, False: 520]
  ------------------
  949|      0|                            pos.visit(dec_visitor{});
  950|    520|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|    520|                    }
  952|    957|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 0, False: 957]
  ------------------
  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|    957|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [True: 957, Folded]
  |  Branch (956:40): [True: 593, False: 364]
  |  Branch (956:52): [True: 296, False: 297]
  ------------------
  957|    296|                    auto newn = pos.node()->inner()[0];
  958|    296|                    if (!mutate)
  ------------------
  |  Branch (958:25): [True: 296, False: 0]
  ------------------
  959|    296|                        newn->inc();
  960|    296|                    if (Mutating)
  ------------------
  |  Branch (960:25): [Folded, False: 296]
  ------------------
  961|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
  962|    296|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
  963|    661|                } else {
  964|    661|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 0, False: 661]
  ------------------
  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|    661|                    } else {
  969|    661|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    661|                        if (Mutating)
  ------------------
  |  Branch (970:29): [Folded, False: 661]
  ------------------
  971|      0|                            pos.visit(dec_visitor{});
  972|    661|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    661|                    }
  974|    661|                }
  975|  1.47k|            }
  976|  1.47k|            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|  1.47k|        }
  987|  9.23k|    }
_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|  1.29k|    {
  992|  1.29k|        auto idx    = pos.index(last);
  993|  1.29k|        auto node   = pos.node();
  994|  1.29k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 1.29k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  1.29k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 1.29k, Folded]
  |  Branch (995:25): [True: 388, False: 911]
  ------------------
  996|    388|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 388]
  ------------------
  997|    388|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|    388|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 388]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|    388|            return res;
 1001|    911|        } else {
 1002|    911|            using std::get;
 1003|    911|            auto subs =
 1004|    911|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 911]
  ------------------
 1005|    911|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|    911|            auto next = get<1>(subs);
 1007|    911|            auto ts   = get<2>(subs);
 1008|    911|            auto tail = get<3>(subs);
 1009|    911|            IMMER_TRY {
  ------------------
  |  |   49|    911|#define IMMER_TRY try
  ------------------
 1010|    911|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 264, False: 647]
  ------------------
 1011|    264|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 264]
  ------------------
 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|    264|                    } else {
 1016|    264|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    264|                        newn->inner()[idx] = next;
 1018|    264|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 264]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    264|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    264|                    }
 1022|    647|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 647]
  ------------------
 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|    647|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 647, Folded]
  |  Branch (1026:40): [True: 391, False: 256]
  |  Branch (1026:52): [True: 194, False: 197]
  ------------------
 1027|    194|                    auto newn = pos.node()->inner()[0];
 1028|    194|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 194, False: 0]
  ------------------
 1029|    194|                        newn->inc();
 1030|    194|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 194]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    194|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    453|                } else {
 1034|    453|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 453]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    453|                    } else {
 1038|    453|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    453|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 453]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    453|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    453|                    }
 1043|    453|                }
 1044|    911|            }
 1045|    911|            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|    911|        }
 1055|  1.29k|    }
_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|  1.99k|    {
 1060|  1.99k|        auto old_tail_size = pos.count();
 1061|  1.99k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.99k|        auto node          = pos.node();
 1063|  1.99k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 1.99k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  1.99k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 1.31k, False: 676]
  ------------------
 1065|  1.31k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 1.31k, Folded]
  ------------------
 1066|  1.31k|                node->inc();
 1067|  1.31k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.31k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 676]
  ------------------
 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|    676|        } else {
 1073|    676|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    676|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 676]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    676|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    676|        }
 1078|  1.99k|    }
_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|  1.75k|    {
  992|  1.75k|        auto idx    = pos.index(last);
  993|  1.75k|        auto node   = pos.node();
  994|  1.75k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 1.75k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  1.75k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 1.75k, Folded]
  |  Branch (995:25): [True: 831, False: 926]
  ------------------
  996|    831|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 0, False: 831]
  ------------------
  997|    831|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|    831|            if (Mutating)
  ------------------
  |  Branch (998:17): [Folded, False: 831]
  ------------------
  999|      0|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|    831|            return res;
 1001|    926|        } else {
 1002|    926|            using std::get;
 1003|    926|            auto subs =
 1004|    926|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 926]
  ------------------
 1005|    926|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|    926|            auto next = get<1>(subs);
 1007|    926|            auto ts   = get<2>(subs);
 1008|    926|            auto tail = get<3>(subs);
 1009|    926|            IMMER_TRY {
  ------------------
  |  |   49|    926|#define IMMER_TRY try
  ------------------
 1010|    926|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 268, False: 658]
  ------------------
 1011|    268|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 268]
  ------------------
 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|    268|                    } else {
 1016|    268|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    268|                        newn->inner()[idx] = next;
 1018|    268|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 268]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    268|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    268|                    }
 1022|    658|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 658]
  ------------------
 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|    658|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 658, Folded]
  |  Branch (1026:40): [True: 396, False: 262]
  |  Branch (1026:52): [True: 201, False: 195]
  ------------------
 1027|    201|                    auto newn = pos.node()->inner()[0];
 1028|    201|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 201, False: 0]
  ------------------
 1029|    201|                        newn->inc();
 1030|    201|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [Folded, False: 201]
  ------------------
 1031|      0|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    201|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    457|                } else {
 1034|    457|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 457]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    457|                    } else {
 1038|    457|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    457|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 457]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    457|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    457|                    }
 1043|    457|                }
 1044|    926|            }
 1045|    926|            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|    926|        }
 1055|  1.75k|    }
_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|  3.24k|    {
 1060|  3.24k|        auto old_tail_size = pos.count();
 1061|  3.24k|        auto new_tail_size = pos.index(last) + 1;
 1062|  3.24k|        auto node          = pos.node();
 1063|  3.24k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 3.24k, Folded]
  |  Branch (1063:42): [True: 266, False: 2.98k]
  ------------------
 1064|  3.24k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 1.49k, False: 1.75k]
  ------------------
 1065|  1.49k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 1.49k]
  ------------------
 1066|      0|                node->inc();
 1067|  1.49k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.75k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 262, False: 1.49k]
  ------------------
 1069|    262|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    262|                              old_tail_size - new_tail_size);
 1071|    262|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.49k|        } else {
 1073|  1.49k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.49k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 1.49k, Folded]
  ------------------
 1075|  1.49k|                pos.visit(dec_visitor{});
 1076|  1.49k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.49k|        }
 1078|  3.24k|    }
_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|  3.37k|    {
  992|  3.37k|        auto idx    = pos.index(last);
  993|  3.37k|        auto node   = pos.node();
  994|  3.37k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.37k, Folded]
  |  Branch (994:35): [True: 1.39k, False: 1.97k]
  ------------------
  995|  3.37k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.37k]
  |  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|  3.37k|        } else {
 1002|  3.37k|            using std::get;
 1003|  3.37k|            auto subs =
 1004|  3.37k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 1.39k, False: 1.97k]
  ------------------
 1005|  3.37k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.37k|            auto next = get<1>(subs);
 1007|  3.37k|            auto ts   = get<2>(subs);
 1008|  3.37k|            auto tail = get<3>(subs);
 1009|  3.37k|            IMMER_TRY {
  ------------------
  |  |   49|  3.37k|#define IMMER_TRY try
  ------------------
 1010|  3.37k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 927, False: 2.45k]
  ------------------
 1011|    927|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 398, False: 529]
  ------------------
 1012|    398|                        node->inner()[idx] = next;
 1013|    398|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    398|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    529|                    } else {
 1016|    529|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    529|                        newn->inner()[idx] = next;
 1018|    529|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 529, Folded]
  ------------------
 1019|    529|                            pos.visit(dec_visitor{});
 1020|    529|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    529|                    }
 1022|  2.45k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 871, False: 1.57k]
  ------------------
 1023|    871|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 871, Folded]
  ------------------
 1024|    871|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    871|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.57k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 1.57k]
  |  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|  1.57k|                } else {
 1034|  1.57k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 380, False: 1.19k]
  ------------------
 1035|    380|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    380|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.19k|                    } else {
 1038|  1.19k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  1.19k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 1.19k, Folded]
  ------------------
 1040|  1.19k|                            pos.visit(dec_visitor{});
 1041|  1.19k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  1.19k|                    }
 1043|  1.57k|                }
 1044|  3.37k|            }
 1045|  3.37k|            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|  3.37k|        }
 1055|  3.37k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  3.32k|    {
  879|  3.32k|        using node_t = node_type<Pos>;
  880|  3.32k|        auto node    = p.node();
  881|  3.32k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 2.05k, False: 1.27k]
  ------------------
  882|  2.05k|            p.each_right(dec_t{}, idx);
  883|  2.05k|            node_t::delete_inner(node, p.count());
  884|  2.05k|        }
  885|  3.32k|    }
_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|  9.34k|    {
 1060|  9.34k|        auto old_tail_size = pos.count();
 1061|  9.34k|        auto new_tail_size = pos.index(last) + 1;
 1062|  9.34k|        auto node          = pos.node();
 1063|  9.34k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 9.34k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  9.34k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 3.39k, False: 5.95k]
  ------------------
 1065|  3.39k|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 3.39k, Folded]
  ------------------
 1066|  3.39k|                node->inc();
 1067|  3.39k|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  5.95k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 5.95k]
  ------------------
 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|  5.95k|        } else {
 1073|  5.95k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  5.95k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 5.95k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  5.95k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  5.95k|        }
 1078|  9.34k|    }
_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|  5.25k|    {
  992|  5.25k|        auto idx    = pos.index(last);
  993|  5.25k|        auto node   = pos.node();
  994|  5.25k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 5.25k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  5.25k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 5.25k]
  |  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|  5.25k|        } else {
 1002|  5.25k|            using std::get;
 1003|  5.25k|            auto subs =
 1004|  5.25k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 5.25k]
  ------------------
 1005|  5.25k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  5.25k|            auto next = get<1>(subs);
 1007|  5.25k|            auto ts   = get<2>(subs);
 1008|  5.25k|            auto tail = get<3>(subs);
 1009|  5.25k|            IMMER_TRY {
  ------------------
  |  |   49|  5.25k|#define IMMER_TRY try
  ------------------
 1010|  5.25k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 697, False: 4.55k]
  ------------------
 1011|    697|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 697]
  ------------------
 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|    697|                    } else {
 1016|    697|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    697|                        newn->inner()[idx] = next;
 1018|    697|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 697]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    697|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    697|                    }
 1022|  4.55k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 932, False: 3.62k]
  ------------------
 1023|    932|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 932]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    932|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  3.62k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 3.62k]
  |  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|  3.62k|                } else {
 1034|  3.62k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 3.62k]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  3.62k|                    } else {
 1038|  3.62k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  3.62k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 3.62k]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|  3.62k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  3.62k|                    }
 1043|  3.62k|                }
 1044|  5.25k|            }
 1045|  5.25k|            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|  5.25k|        }
 1055|  5.25k|    }
_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|    412|    {
 1060|    412|        auto old_tail_size = pos.count();
 1061|    412|        auto new_tail_size = pos.index(last) + 1;
 1062|    412|        auto node          = pos.node();
 1063|    412|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 412]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|    412|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 194, False: 218]
  ------------------
 1065|    194|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 194, Folded]
  ------------------
 1066|    194|                node->inc();
 1067|    194|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    218|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 218]
  ------------------
 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|    218|        } else {
 1073|    218|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    218|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 218]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|    218|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    218|        }
 1078|    412|    }
_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|  1.54k|    {
 1060|  1.54k|        auto old_tail_size = pos.count();
 1061|  1.54k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.54k|        auto node          = pos.node();
 1063|  1.54k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.54k, Folded]
  |  Branch (1063:42): [True: 218, False: 1.32k]
  ------------------
 1064|  1.54k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 380, False: 1.16k]
  ------------------
 1065|    380|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 380]
  ------------------
 1066|      0|                node->inc();
 1067|    380|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.16k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 218, False: 946]
  ------------------
 1069|    218|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    218|                              old_tail_size - new_tail_size);
 1071|    218|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    946|        } else {
 1073|    946|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    946|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 946, Folded]
  ------------------
 1075|    946|                pos.visit(dec_visitor{});
 1076|    946|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    946|        }
 1078|  1.54k|    }
_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|  3.49k|    {
  992|  3.49k|        auto idx    = pos.index(last);
  993|  3.49k|        auto node   = pos.node();
  994|  3.49k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.49k, Folded]
  |  Branch (994:35): [True: 2.58k, False: 917]
  ------------------
  995|  3.49k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.49k]
  |  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|  3.49k|        } else {
 1002|  3.49k|            using std::get;
 1003|  3.49k|            auto subs =
 1004|  3.49k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 2.58k, False: 917]
  ------------------
 1005|  3.49k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.49k|            auto next = get<1>(subs);
 1007|  3.49k|            auto ts   = get<2>(subs);
 1008|  3.49k|            auto tail = get<3>(subs);
 1009|  3.49k|            IMMER_TRY {
  ------------------
  |  |   49|  3.49k|#define IMMER_TRY try
  ------------------
 1010|  3.49k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 1.40k, False: 2.09k]
  ------------------
 1011|  1.40k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 943, False: 459]
  ------------------
 1012|    943|                        node->inner()[idx] = next;
 1013|    943|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    943|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    943|                    } else {
 1016|    459|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    459|                        newn->inner()[idx] = next;
 1018|    459|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 459, Folded]
  ------------------
 1019|    459|                            pos.visit(dec_visitor{});
 1020|    459|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    459|                    }
 1022|  2.09k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 1.46k, False: 635]
  ------------------
 1023|  1.46k|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 1.46k, Folded]
  ------------------
 1024|  1.46k|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|  1.46k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.46k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 635]
  |  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|    635|                } else {
 1034|    635|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 380, False: 255]
  ------------------
 1035|    380|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    380|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    380|                    } else {
 1038|    255|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    255|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 255, Folded]
  ------------------
 1040|    255|                            pos.visit(dec_visitor{});
 1041|    255|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    255|                    }
 1043|    635|                }
 1044|  3.49k|            }
 1045|  3.49k|            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|  3.49k|        }
 1055|  3.49k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
  878|  1.46k|    {
  879|  1.46k|        using node_t = node_type<Pos>;
  880|  1.46k|        auto node    = p.node();
  881|  1.46k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 1.25k, False: 203]
  ------------------
  882|  1.25k|            p.each_right(dec_t{}, idx);
  883|  1.25k|            node_t::delete_inner(node, p.count());
  884|  1.25k|        }
  885|  1.46k|    }
_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|  2.59k|    {
 1060|  2.59k|        auto old_tail_size = pos.count();
 1061|  2.59k|        auto new_tail_size = pos.index(last) + 1;
 1062|  2.59k|        auto node          = pos.node();
 1063|  2.59k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 2.59k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  2.59k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 539, False: 2.05k]
  ------------------
 1065|    539|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 539, Folded]
  ------------------
 1066|    539|                node->inc();
 1067|    539|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  2.05k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 2.05k]
  ------------------
 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|  2.05k|        } else {
 1073|  2.05k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  2.05k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 2.05k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  2.05k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  2.05k|        }
 1078|  2.59k|    }
_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|  3.29k|    {
  992|  3.29k|        auto idx    = pos.index(last);
  993|  3.29k|        auto node   = pos.node();
  994|  3.29k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 3.29k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  3.29k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.29k]
  |  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|  3.29k|        } else {
 1002|  3.29k|            using std::get;
 1003|  3.29k|            auto subs =
 1004|  3.29k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 3.29k]
  ------------------
 1005|  3.29k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.29k|            auto next = get<1>(subs);
 1007|  3.29k|            auto ts   = get<2>(subs);
 1008|  3.29k|            auto tail = get<3>(subs);
 1009|  3.29k|            IMMER_TRY {
  ------------------
  |  |   49|  3.29k|#define IMMER_TRY try
  ------------------
 1010|  3.29k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 912, False: 2.38k]
  ------------------
 1011|    912|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 912]
  ------------------
 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|    912|                    } else {
 1016|    912|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    912|                        newn->inner()[idx] = next;
 1018|    912|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 912]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|    912|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    912|                    }
 1022|  2.38k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 836, False: 1.54k]
  ------------------
 1023|    836|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 836]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    836|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|  1.54k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 1.54k]
  |  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|  1.54k|                } else {
 1034|  1.54k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 1.54k]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.54k|                    } else {
 1038|  1.54k|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|  1.54k|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 1.54k]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|  1.54k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|  1.54k|                    }
 1043|  1.54k|                }
 1044|  3.29k|            }
 1045|  3.29k|            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|  3.29k|        }
 1055|  3.29k|    }
_ZN5immer6detail4rbts17dec_right_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
  867|  27.3k|    {
  868|  27.3k|        using node_t = node_type<Pos>;
  869|  27.3k|        auto node    = p.node();
  870|  27.3k|        if (node->dec()) {
  ------------------
  |  Branch (870:13): [True: 22.5k, False: 4.74k]
  ------------------
  871|  22.5k|            p.each_right(dec_t{}, idx);
  872|  22.5k|            node_t::delete_inner_r(node, p.count());
  873|  22.5k|        }
  874|  27.3k|    }
_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|  1.98k|    {
 1060|  1.98k|        auto old_tail_size = pos.count();
 1061|  1.98k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.98k|        auto node          = pos.node();
 1063|  1.98k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.98k, Folded]
  |  Branch (1063:42): [True: 334, False: 1.65k]
  ------------------
 1064|  1.98k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 482, False: 1.50k]
  ------------------
 1065|    482|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 482]
  ------------------
 1066|      0|                node->inc();
 1067|    482|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.50k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 301, False: 1.20k]
  ------------------
 1069|    301|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    301|                              old_tail_size - new_tail_size);
 1071|    301|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|  1.20k|        } else {
 1073|  1.20k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  1.20k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 1.20k, Folded]
  ------------------
 1075|  1.20k|                pos.visit(dec_visitor{});
 1076|  1.20k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  1.20k|        }
 1078|  1.98k|    }
_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|  3.06k|    {
  914|  3.06k|        auto idx    = pos.index(last);
  915|  3.06k|        auto node   = pos.node();
  916|  3.06k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [True: 3.06k, Folded]
  |  Branch (916:35): [True: 1.66k, False: 1.40k]
  ------------------
  917|  3.06k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [Folded, False: 3.06k]
  |  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|  3.06k|        } else {
  924|  3.06k|            using std::get;
  925|  3.06k|            auto subs =
  926|  3.06k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 1.66k, False: 1.40k]
  ------------------
  927|  3.06k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  3.06k|            auto next = get<1>(subs);
  929|  3.06k|            auto ts   = get<2>(subs);
  930|  3.06k|            auto tail = get<3>(subs);
  931|  3.06k|            IMMER_TRY {
  ------------------
  |  |   49|  3.06k|#define IMMER_TRY try
  ------------------
  932|  3.06k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 910, False: 2.15k]
  ------------------
  933|    910|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 459, False: 451]
  ------------------
  934|    459|                        auto nodr = node->ensure_mutable_relaxed_n(e, idx);
  935|    459|                        pos.each_right(dec_visitor{}, idx + 1);
  936|    459|                        node->inner()[idx] = next;
  937|    459|                        nodr->d.sizes[idx] = last + 1 - ts;
  938|    459|                        nodr->d.count      = idx + 1;
  939|    459|                        assert(nodr->d.sizes[idx]);
  ------------------
  |  Branch (939:25): [True: 459, False: 0]
  ------------------
  940|    459|                        return std::make_tuple(pos.shift(), node, ts, tail);
  941|    459|                    } else {
  942|    451|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|    451|                        auto newr = newn->relaxed();
  944|    451|                        newn->inner()[idx] = next;
  945|    451|                        newr->d.sizes[idx] = last + 1 - ts;
  946|    451|                        newr->d.count      = idx + 1;
  947|    451|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 451, False: 0]
  ------------------
  948|    451|                        if (Mutating)
  ------------------
  |  Branch (948:29): [True: 451, Folded]
  ------------------
  949|    451|                            pos.visit(dec_visitor{});
  950|    451|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|    451|                    }
  952|  2.15k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 603, False: 1.55k]
  ------------------
  953|    603|                    if (Mutating)
  ------------------
  |  Branch (953:25): [True: 603, Folded]
  ------------------
  954|    603|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|    603|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  1.55k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [Folded, False: 1.55k]
  |  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|  1.55k|                } else {
  964|  1.55k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 934, False: 621]
  ------------------
  965|    934|                        pos.each_right(dec_visitor{}, idx + 1);
  966|    934|                        node->ensure_mutable_relaxed_n(e, idx)->d.count = idx;
  967|    934|                        return std::make_tuple(pos.shift(), node, ts, tail);
  968|    934|                    } else {
  969|    621|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|    621|                        if (Mutating)
  ------------------
  |  Branch (970:29): [True: 621, Folded]
  ------------------
  971|    621|                            pos.visit(dec_visitor{});
  972|    621|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|    621|                    }
  974|  1.55k|                }
  975|  3.06k|            }
  976|  3.06k|            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|  3.06k|        }
  987|  3.06k|    }
_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|  4.93k|    {
  992|  4.93k|        auto idx    = pos.index(last);
  993|  4.93k|        auto node   = pos.node();
  994|  4.93k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 4.93k, Folded]
  |  Branch (994:35): [True: 3.61k, False: 1.31k]
  ------------------
  995|  4.93k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 4.93k]
  |  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|  4.93k|        } else {
 1002|  4.93k|            using std::get;
 1003|  4.93k|            auto subs =
 1004|  4.93k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 3.61k, False: 1.31k]
  ------------------
 1005|  4.93k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  4.93k|            auto next = get<1>(subs);
 1007|  4.93k|            auto ts   = get<2>(subs);
 1008|  4.93k|            auto tail = get<3>(subs);
 1009|  4.93k|            IMMER_TRY {
  ------------------
  |  |   49|  4.93k|#define IMMER_TRY try
  ------------------
 1010|  4.93k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 3.30k, False: 1.62k]
  ------------------
 1011|  3.30k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 2.61k, False: 689]
  ------------------
 1012|  2.61k|                        node->inner()[idx] = next;
 1013|  2.61k|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|  2.61k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|  2.61k|                    } else {
 1016|    689|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    689|                        newn->inner()[idx] = next;
 1018|    689|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 689, Folded]
  ------------------
 1019|    689|                            pos.visit(dec_visitor{});
 1020|    689|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    689|                    }
 1022|  3.30k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 927, False: 701]
  ------------------
 1023|    927|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [True: 927, Folded]
  ------------------
 1024|    927|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    927|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    927|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 701]
  |  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|    701|                } else {
 1034|    701|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 337, False: 364]
  ------------------
 1035|    337|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    337|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    364|                    } else {
 1038|    364|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    364|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 364, Folded]
  ------------------
 1040|    364|                            pos.visit(dec_visitor{});
 1041|    364|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    364|                    }
 1043|    701|                }
 1044|  4.93k|            }
 1045|  4.93k|            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|  4.93k|        }
 1055|  4.93k|    }
_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|  10.5k|    {
  879|  10.5k|        using node_t = node_type<Pos>;
  880|  10.5k|        auto node    = p.node();
  881|  10.5k|        if (node->dec()) {
  ------------------
  |  Branch (881:13): [True: 7.41k, False: 3.15k]
  ------------------
  882|  7.41k|            p.each_right(dec_t{}, idx);
  883|  7.41k|            node_t::delete_inner(node, p.count());
  884|  7.41k|        }
  885|  10.5k|    }
_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|  4.31k|    {
 1060|  4.31k|        auto old_tail_size = pos.count();
 1061|  4.31k|        auto new_tail_size = pos.index(last) + 1;
 1062|  4.31k|        auto node          = pos.node();
 1063|  4.31k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [Folded, False: 4.31k]
  |  Branch (1063:42): [True: 0, False: 0]
  ------------------
 1064|  4.31k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 458, False: 3.85k]
  ------------------
 1065|    458|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [True: 458, Folded]
  ------------------
 1066|    458|                node->inc();
 1067|    458|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  3.85k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 0, False: 3.85k]
  ------------------
 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|  3.85k|        } else {
 1073|  3.85k|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|  3.85k|            if (Mutating)
  ------------------
  |  Branch (1074:17): [Folded, False: 3.85k]
  ------------------
 1075|      0|                pos.visit(dec_visitor{});
 1076|  3.85k|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|  3.85k|        }
 1078|  4.31k|    }
_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|  3.38k|    {
  914|  3.38k|        auto idx    = pos.index(last);
  915|  3.38k|        auto node   = pos.node();
  916|  3.38k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (916:23): [Folded, False: 3.38k]
  |  Branch (916:35): [True: 0, False: 0]
  ------------------
  917|  3.38k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (917:13): [Folded, False: 3.38k]
  |  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|  3.38k|        } else {
  924|  3.38k|            using std::get;
  925|  3.38k|            auto subs =
  926|  3.38k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (926:17): [True: 0, False: 3.38k]
  ------------------
  927|  3.38k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
  928|  3.38k|            auto next = get<1>(subs);
  929|  3.38k|            auto ts   = get<2>(subs);
  930|  3.38k|            auto tail = get<3>(subs);
  931|  3.38k|            IMMER_TRY {
  ------------------
  |  |   49|  3.38k|#define IMMER_TRY try
  ------------------
  932|  3.38k|                if (next) {
  ------------------
  |  Branch (932:21): [True: 649, False: 2.73k]
  ------------------
  933|    649|                    if (mutate) {
  ------------------
  |  Branch (933:25): [True: 0, False: 649]
  ------------------
  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|    649|                    } else {
  942|    649|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  943|    649|                        auto newr = newn->relaxed();
  944|    649|                        newn->inner()[idx] = next;
  945|    649|                        newr->d.sizes[idx] = last + 1 - ts;
  946|    649|                        newr->d.count      = idx + 1;
  947|    649|                        assert(newr->d.sizes[idx]);
  ------------------
  |  Branch (947:25): [True: 649, False: 0]
  ------------------
  948|    649|                        if (Mutating)
  ------------------
  |  Branch (948:29): [Folded, False: 649]
  ------------------
  949|      0|                            pos.visit(dec_visitor{});
  950|    649|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  951|    649|                    }
  952|  2.73k|                } else if (idx == 0) {
  ------------------
  |  Branch (952:28): [True: 1.01k, False: 1.71k]
  ------------------
  953|  1.01k|                    if (Mutating)
  ------------------
  |  Branch (953:25): [Folded, False: 1.01k]
  ------------------
  954|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
  955|  1.01k|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
  956|  1.71k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (956:28): [Folded, False: 1.71k]
  |  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|  1.71k|                } else {
  964|  1.71k|                    if (mutate) {
  ------------------
  |  Branch (964:25): [True: 0, False: 1.71k]
  ------------------
  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|  1.71k|                    } else {
  969|  1.71k|                        auto newn = node_t::copy_inner_r_e(e, node, idx);
  970|  1.71k|                        if (Mutating)
  ------------------
  |  Branch (970:29): [Folded, False: 1.71k]
  ------------------
  971|      0|                            pos.visit(dec_visitor{});
  972|  1.71k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
  973|  1.71k|                    }
  974|  1.71k|                }
  975|  3.38k|            }
  976|  3.38k|            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|  3.38k|        }
  987|  3.38k|    }
_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|  3.16k|    {
  992|  3.16k|        auto idx    = pos.index(last);
  993|  3.16k|        auto node   = pos.node();
  994|  3.16k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [Folded, False: 3.16k]
  |  Branch (994:35): [True: 0, False: 0]
  ------------------
  995|  3.16k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [Folded, False: 3.16k]
  |  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|  3.16k|        } else {
 1002|  3.16k|            using std::get;
 1003|  3.16k|            auto subs =
 1004|  3.16k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 0, False: 3.16k]
  ------------------
 1005|  3.16k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  3.16k|            auto next = get<1>(subs);
 1007|  3.16k|            auto ts   = get<2>(subs);
 1008|  3.16k|            auto tail = get<3>(subs);
 1009|  3.16k|            IMMER_TRY {
  ------------------
  |  |   49|  3.16k|#define IMMER_TRY try
  ------------------
 1010|  3.16k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 2.18k, False: 976]
  ------------------
 1011|  2.18k|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 0, False: 2.18k]
  ------------------
 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|  2.18k|                    } else {
 1016|  2.18k|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|  2.18k|                        newn->inner()[idx] = next;
 1018|  2.18k|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [Folded, False: 2.18k]
  ------------------
 1019|      0|                            pos.visit(dec_visitor{});
 1020|  2.18k|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|  2.18k|                    }
 1022|  2.18k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 666, False: 310]
  ------------------
 1023|    666|                    if (Mutating)
  ------------------
  |  Branch (1023:25): [Folded, False: 666]
  ------------------
 1024|      0|                        pos.visit(dec_right_visitor{}, count_t{1});
 1025|    666|                    return std::make_tuple(pos.shift(), nullptr, ts, tail);
 1026|    666|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [Folded, False: 310]
  |  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|    310|                } else {
 1034|    310|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 0, False: 310]
  ------------------
 1035|      0|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|      0|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    310|                    } else {
 1038|    310|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    310|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [Folded, False: 310]
  ------------------
 1040|      0|                            pos.visit(dec_visitor{});
 1041|    310|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    310|                    }
 1043|    310|                }
 1044|  3.16k|            }
 1045|  3.16k|            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|  3.16k|        }
 1055|  3.16k|    }
_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|  12.4k|    {
  992|  12.4k|        auto idx    = pos.index(last);
  993|  12.4k|        auto node   = pos.node();
  994|  12.4k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 12.4k, Folded]
  |  Branch (994:35): [True: 8.54k, False: 3.87k]
  ------------------
  995|  12.4k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 12.4k, Folded]
  |  Branch (995:25): [True: 7.42k, False: 5.00k]
  ------------------
  996|  7.42k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 5.24k, False: 2.17k]
  ------------------
  997|  7.42k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|  7.42k|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 7.42k, Folded]
  ------------------
  999|  7.42k|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|  7.42k|            return res;
 1001|  7.42k|        } else {
 1002|  5.00k|            using std::get;
 1003|  5.00k|            auto subs =
 1004|  5.00k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 3.30k, False: 1.69k]
  ------------------
 1005|  5.00k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  5.00k|            auto next = get<1>(subs);
 1007|  5.00k|            auto ts   = get<2>(subs);
 1008|  5.00k|            auto tail = get<3>(subs);
 1009|  5.00k|            IMMER_TRY {
  ------------------
  |  |   49|  5.00k|#define IMMER_TRY try
  ------------------
 1010|  5.00k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 915, False: 4.08k]
  ------------------
 1011|    915|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 406, False: 509]
  ------------------
 1012|    406|                        node->inner()[idx] = next;
 1013|    406|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    406|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    509|                    } else {
 1016|    509|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    509|                        newn->inner()[idx] = next;
 1018|    509|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 509, Folded]
  ------------------
 1019|    509|                            pos.visit(dec_visitor{});
 1020|    509|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    509|                    }
 1022|  4.08k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 4.08k]
  ------------------
 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|  4.08k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 4.08k, Folded]
  |  Branch (1026:40): [True: 3.47k, False: 610]
  |  Branch (1026:52): [True: 2.22k, False: 1.25k]
  ------------------
 1027|  2.22k|                    auto newn = pos.node()->inner()[0];
 1028|  2.22k|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 710, False: 1.51k]
  ------------------
 1029|    710|                        newn->inc();
 1030|  2.22k|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 2.22k, Folded]
  ------------------
 1031|  2.22k|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|  2.22k|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|  2.22k|                } else {
 1034|  1.86k|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 1.38k, False: 477]
  ------------------
 1035|  1.38k|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|  1.38k|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|  1.38k|                    } else {
 1038|    477|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    477|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 477, Folded]
  ------------------
 1040|    477|                            pos.visit(dec_visitor{});
 1041|    477|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    477|                    }
 1043|  1.86k|                }
 1044|  5.00k|            }
 1045|  5.00k|            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|  5.00k|        }
 1055|  12.4k|    }
_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|  1.90k|    {
 1060|  1.90k|        auto old_tail_size = pos.count();
 1061|  1.90k|        auto new_tail_size = pos.index(last) + 1;
 1062|  1.90k|        auto node          = pos.node();
 1063|  1.90k|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 1.90k, Folded]
  |  Branch (1063:42): [True: 674, False: 1.23k]
  ------------------
 1064|  1.90k|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 372, False: 1.53k]
  ------------------
 1065|    372|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 372]
  ------------------
 1066|      0|                node->inc();
 1067|    372|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|  1.53k|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 673, False: 864]
  ------------------
 1069|    673|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    673|                              old_tail_size - new_tail_size);
 1071|    673|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    864|        } else {
 1073|    864|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    864|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 864, Folded]
  ------------------
 1075|    864|                pos.visit(dec_visitor{});
 1076|    864|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    864|        }
 1078|  1.90k|    }
_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|  3.74k|    {
  992|  3.74k|        auto idx    = pos.index(last);
  993|  3.74k|        auto node   = pos.node();
  994|  3.74k|        auto mutate = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (994:23): [True: 3.74k, Folded]
  |  Branch (994:35): [True: 1.94k, False: 1.79k]
  ------------------
  995|  3.74k|        if (Collapse && idx == 0) {
  ------------------
  |  Branch (995:13): [True: 3.74k, Folded]
  |  Branch (995:25): [True: 1.93k, False: 1.80k]
  ------------------
  996|  1.93k|            auto res = mutate ? pos.towards_oh(this_t{}, last, idx, e)
  ------------------
  |  Branch (996:24): [True: 1.17k, False: 765]
  ------------------
  997|  1.93k|                              : pos.towards_oh(no_mut_t{}, last, idx, e);
  998|  1.93k|            if (Mutating)
  ------------------
  |  Branch (998:17): [True: 1.93k, Folded]
  ------------------
  999|  1.93k|                pos.visit(dec_right_visitor{}, count_t{1});
 1000|  1.93k|            return res;
 1001|  1.93k|        } else {
 1002|  1.80k|            using std::get;
 1003|  1.80k|            auto subs =
 1004|  1.80k|                mutate ? pos.towards_oh(no_collapse_t{}, last, idx, e)
  ------------------
  |  Branch (1004:17): [True: 769, False: 1.03k]
  ------------------
 1005|  1.80k|                       : pos.towards_oh(no_collapse_no_mut_t{}, last, idx, e);
 1006|  1.80k|            auto next = get<1>(subs);
 1007|  1.80k|            auto ts   = get<2>(subs);
 1008|  1.80k|            auto tail = get<3>(subs);
 1009|  1.80k|            IMMER_TRY {
  ------------------
  |  |   49|  1.80k|#define IMMER_TRY try
  ------------------
 1010|  1.80k|                if (next) {
  ------------------
  |  Branch (1010:21): [True: 447, False: 1.35k]
  ------------------
 1011|    447|                    if (mutate) {
  ------------------
  |  Branch (1011:25): [True: 182, False: 265]
  ------------------
 1012|    182|                        node->inner()[idx] = next;
 1013|    182|                        pos.each_right(dec_visitor{}, idx + 1);
 1014|    182|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1015|    265|                    } else {
 1016|    265|                        auto newn          = node_t::copy_inner_e(e, node, idx);
 1017|    265|                        newn->inner()[idx] = next;
 1018|    265|                        if (Mutating)
  ------------------
  |  Branch (1018:29): [True: 265, Folded]
  ------------------
 1019|    265|                            pos.visit(dec_visitor{});
 1020|    265|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1021|    265|                    }
 1022|  1.35k|                } else if (idx == 0) {
  ------------------
  |  Branch (1022:28): [True: 0, False: 1.35k]
  ------------------
 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|  1.35k|                } else if (Collapse && idx == 1 && pos.shift() > BL) {
  ------------------
  |  Branch (1026:28): [True: 1.35k, Folded]
  |  Branch (1026:40): [True: 740, False: 616]
  |  Branch (1026:52): [True: 521, False: 219]
  ------------------
 1027|    521|                    auto newn = pos.node()->inner()[0];
 1028|    521|                    if (!mutate)
  ------------------
  |  Branch (1028:25): [True: 259, False: 262]
  ------------------
 1029|    259|                        newn->inc();
 1030|    521|                    if (Mutating)
  ------------------
  |  Branch (1030:25): [True: 521, Folded]
  ------------------
 1031|    521|                        pos.visit(dec_right_visitor{}, count_t{2});
 1032|    521|                    return std::make_tuple(pos.shift() - B, newn, ts, tail);
 1033|    835|                } else {
 1034|    835|                    if (mutate) {
  ------------------
  |  Branch (1034:25): [True: 325, False: 510]
  ------------------
 1035|    325|                        pos.each_right(dec_visitor{}, idx + 1);
 1036|    325|                        return std::make_tuple(pos.shift(), node, ts, tail);
 1037|    510|                    } else {
 1038|    510|                        auto newn = node_t::copy_inner_e(e, node, idx);
 1039|    510|                        if (Mutating)
  ------------------
  |  Branch (1039:29): [True: 510, Folded]
  ------------------
 1040|    510|                            pos.visit(dec_visitor{});
 1041|    510|                        return std::make_tuple(pos.shift(), newn, ts, tail);
 1042|    510|                    }
 1043|    835|                }
 1044|  1.80k|            }
 1045|  1.80k|            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|  1.80k|        }
 1055|  3.74k|    }
_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|    765|    {
 1060|    765|        auto old_tail_size = pos.count();
 1061|    765|        auto new_tail_size = pos.index(last) + 1;
 1062|    765|        auto node          = pos.node();
 1063|    765|        auto mutate        = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1063:30): [True: 765, Folded]
  |  Branch (1063:42): [True: 244, False: 521]
  ------------------
 1064|    765|        if (new_tail_size == old_tail_size) {
  ------------------
  |  Branch (1064:13): [True: 199, False: 566]
  ------------------
 1065|    199|            if (!Mutating)
  ------------------
  |  Branch (1065:17): [Folded, False: 199]
  ------------------
 1066|      0|                node->inc();
 1067|    199|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1068|    566|        } else if (mutate) {
  ------------------
  |  Branch (1068:20): [True: 243, False: 323]
  ------------------
 1069|    243|            detail::destroy_n(node->leaf() + new_tail_size,
 1070|    243|                              old_tail_size - new_tail_size);
 1071|    243|            return std::make_tuple(0, nullptr, new_tail_size, node);
 1072|    323|        } else {
 1073|    323|            auto new_tail = node_t::copy_leaf_e(e, node, new_tail_size);
 1074|    323|            if (Mutating)
  ------------------
  |  Branch (1074:17): [True: 323, Folded]
  ------------------
 1075|    323|                pos.visit(dec_visitor{});
 1076|    323|            return std::make_tuple(0, nullptr, new_tail_size, new_tail);
 1077|    323|        }
 1078|    765|    }
_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|    855|    {
 1378|    855|        auto node   = pos.node();
 1379|    855|        auto idx    = pos.index(first);
 1380|    855|        auto count  = pos.count();
 1381|    855|        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|    855|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 602, False: 253]
  ------------------
 1384|    855|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 602, False: 253]
  ------------------
 1385|    602|            auto data     = node->leaf();
 1386|    602|            auto newcount = count - idx;
 1387|    602|            std::move(data + idx, data + count, data);
 1388|    602|            detail::destroy_n(data + newcount, idx);
 1389|    602|            return std::make_tuple(0, node);
 1390|    602|        } else {
 1391|    253|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|    253|            if (Mutating)
  ------------------
  |  Branch (1392:17): [True: 253, Folded]
  ------------------
 1393|    253|                pos.visit(dec_visitor{});
 1394|    253|            return std::make_tuple(0, newn);
 1395|    253|        }
 1396|    855|    }
_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|  49.7k|    {
 1247|  49.7k|        auto idx                = pos.subindex(first);
 1248|  49.7k|        auto count              = pos.count();
 1249|  49.7k|        auto node               = pos.node();
 1250|  49.7k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [True: 49.7k, Folded]
  |  Branch (1250:47): [True: 41.8k, False: 7.82k]
  ------------------
 1251|  49.7k|        auto left_size          = pos.size_before(idx);
 1252|  49.7k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  49.7k|        auto dropped_size       = first;
 1254|  49.7k|        auto child_dropped_size = dropped_size - left_size;
 1255|  49.7k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [True: 49.7k, Folded]
  |  Branch (1255:25): [True: 47.4k, False: 2.24k]
  |  Branch (1255:45): [True: 4.86k, False: 42.5k]
  ------------------
 1256|  4.86k|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1256:22): [True: 1.83k, False: 3.03k]
  ------------------
 1257|  4.86k|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1258|  4.86k|            if (mutate)
  ------------------
  |  Branch (1258:17): [True: 1.83k, False: 3.03k]
  ------------------
 1259|  1.83k|                pos.visit(dec_left_visitor{}, idx);
 1260|  3.03k|            else if (Mutating)
  ------------------
  |  Branch (1260:22): [True: 3.03k, Folded]
  ------------------
 1261|  3.03k|                pos.visit(dec_visitor{});
 1262|  4.86k|            return r;
 1263|  44.8k|        } else {
 1264|  44.8k|            using std::get;
 1265|  44.8k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 40.0k, False: 4.78k]
  ------------------
 1266|  44.8k|                                   : node_t::make_inner_r_e(e);
 1267|  44.8k|            auto newr     = newn->relaxed();
 1268|  44.8k|            auto newcount = count - idx;
 1269|  44.8k|            auto new_child_size = child_size - child_dropped_size;
 1270|  44.8k|            IMMER_TRY {
  ------------------
  |  |   49|  44.8k|#define IMMER_TRY try
  ------------------
 1271|  44.8k|                auto subs =
 1272|  44.8k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 40.0k, False: 4.78k]
  ------------------
 1273|  44.8k|                           : pos.towards_sub_oh(
 1274|  4.78k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  44.8k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 40.0k, False: 4.78k]
  ------------------
 1276|  40.0k|                    pos.each_left(dec_visitor{}, idx);
 1277|  44.8k|                pos.copy_sizes(
 1278|  44.8k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  44.8k|                std::copy(node->inner() + idx + 1,
 1280|  44.8k|                          node->inner() + count,
 1281|  44.8k|                          newn->inner() + 1);
 1282|  44.8k|                newn->inner()[0] = get<1>(subs);
 1283|  44.8k|                newr->d.sizes[0] = new_child_size;
 1284|  44.8k|                newr->d.count    = newcount;
 1285|  44.8k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 44.8k, False: 0]
  ------------------
 1286|  44.8k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 4.78k, False: 40.0k]
  ------------------
 1287|  4.78k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  4.78k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [True: 4.78k, Folded]
  ------------------
 1289|  4.78k|                        pos.visit(dec_visitor{});
 1290|  4.78k|                }
 1291|  44.8k|                return std::make_tuple(pos.shift(), newn);
 1292|  44.8k|            }
 1293|  44.8k|            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|  44.8k|        }
 1299|  49.7k|    }
_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|  2.36k|    {
 1247|  2.36k|        auto idx                = pos.subindex(first);
 1248|  2.36k|        auto count              = pos.count();
 1249|  2.36k|        auto node               = pos.node();
 1250|  2.36k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [Folded, False: 2.36k]
  |  Branch (1250:47): [True: 0, False: 0]
  ------------------
 1251|  2.36k|        auto left_size          = pos.size_before(idx);
 1252|  2.36k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  2.36k|        auto dropped_size       = first;
 1254|  2.36k|        auto child_dropped_size = dropped_size - left_size;
 1255|  2.36k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [True: 2.36k, Folded]
  |  Branch (1255:25): [True: 983, False: 1.38k]
  |  Branch (1255:45): [True: 764, False: 219]
  ------------------
 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|  1.59k|        } else {
 1264|  1.59k|            using std::get;
 1265|  1.59k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 0, False: 1.59k]
  ------------------
 1266|  1.59k|                                   : node_t::make_inner_r_e(e);
 1267|  1.59k|            auto newr     = newn->relaxed();
 1268|  1.59k|            auto newcount = count - idx;
 1269|  1.59k|            auto new_child_size = child_size - child_dropped_size;
 1270|  1.59k|            IMMER_TRY {
  ------------------
  |  |   49|  1.59k|#define IMMER_TRY try
  ------------------
 1271|  1.59k|                auto subs =
 1272|  1.59k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 0, False: 1.59k]
  ------------------
 1273|  1.59k|                           : pos.towards_sub_oh(
 1274|  1.59k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  1.59k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 0, False: 1.59k]
  ------------------
 1276|      0|                    pos.each_left(dec_visitor{}, idx);
 1277|  1.59k|                pos.copy_sizes(
 1278|  1.59k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  1.59k|                std::copy(node->inner() + idx + 1,
 1280|  1.59k|                          node->inner() + count,
 1281|  1.59k|                          newn->inner() + 1);
 1282|  1.59k|                newn->inner()[0] = get<1>(subs);
 1283|  1.59k|                newr->d.sizes[0] = new_child_size;
 1284|  1.59k|                newr->d.count    = newcount;
 1285|  1.59k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 1.59k, False: 0]
  ------------------
 1286|  1.59k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 1.59k, False: 0]
  ------------------
 1287|  1.59k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  1.59k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [Folded, False: 1.59k]
  ------------------
 1289|      0|                        pos.visit(dec_visitor{});
 1290|  1.59k|                }
 1291|  1.59k|                return std::make_tuple(pos.shift(), newn);
 1292|  1.59k|            }
 1293|  1.59k|            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|  1.59k|        }
 1299|  2.36k|    }
_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|  2.31k|    {
 1304|  2.31k|        auto idx    = pos.subindex(first);
 1305|  2.31k|        auto count  = pos.count();
 1306|  2.31k|        auto node   = pos.node();
 1307|  2.31k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 2.31k]
  ------------------
 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|  2.31k|        auto left_size          = pos.size_before(idx);
 1313|  2.31k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  2.31k|        auto dropped_size       = first;
 1315|  2.31k|        auto child_dropped_size = dropped_size - left_size;
 1316|  2.31k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 2.31k, Folded]
  |  Branch (1316:25): [True: 998, False: 1.32k]
  |  Branch (1316:45): [True: 623, False: 375]
  ------------------
 1317|    623|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 623]
  ------------------
 1318|    623|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|    623|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 623]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|    623|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [Folded, False: 623]
  ------------------
 1322|      0|                pos.visit(dec_visitor{});
 1323|    623|            return r;
 1324|  1.69k|        } else {
 1325|  1.69k|            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|  1.69k|            auto newcount = count - idx;
 1330|  1.69k|            auto newn =
 1331|  1.69k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.69k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.69k|                       : node_t::make_inner_r_e(e);
 1336|  1.69k|            auto newr = newn->relaxed();
 1337|  1.69k|            IMMER_TRY {
  ------------------
  |  |   49|  1.69k|#define IMMER_TRY try
  ------------------
 1338|  1.69k|                auto subs =
 1339|  1.69k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.69k]
  ------------------
 1340|  1.69k|                           : pos.towards_sub_oh(
 1341|  1.69k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.69k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.69k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.69k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.69k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.69k, False: 0]
  ------------------
 1346|  1.69k|                pos.copy_sizes(
 1347|  1.69k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.69k|                newr->d.count    = newcount;
 1349|  1.69k|                newn->inner()[0] = get<1>(subs);
 1350|  1.69k|                std::copy(node->inner() + idx + 1,
 1351|  1.69k|                          node->inner() + count,
 1352|  1.69k|                          newn->inner() + 1);
 1353|  1.69k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.69k, False: 0]
  ------------------
 1354|  1.69k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.69k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 1.69k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  1.69k|                }
 1358|  1.69k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.69k|            }
 1360|  1.69k|            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|  1.69k|        }
 1373|  2.31k|    }
_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|    641|    {
 1304|    641|        auto idx    = pos.subindex(first);
 1305|    641|        auto count  = pos.count();
 1306|    641|        auto node   = pos.node();
 1307|    641|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 641]
  ------------------
 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|    641|        auto left_size          = pos.size_before(idx);
 1313|    641|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|    641|        auto dropped_size       = first;
 1315|    641|        auto child_dropped_size = dropped_size - left_size;
 1316|    641|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 641, Folded]
  |  Branch (1316:25): [True: 207, False: 434]
  |  Branch (1316:45): [True: 0, False: 207]
  ------------------
 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|    641|        } else {
 1325|    641|            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|    641|            auto newcount = count - idx;
 1330|    641|            auto newn =
 1331|    641|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 641]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|    641|                       : node_t::make_inner_r_e(e);
 1336|    641|            auto newr = newn->relaxed();
 1337|    641|            IMMER_TRY {
  ------------------
  |  |   49|    641|#define IMMER_TRY try
  ------------------
 1338|    641|                auto subs =
 1339|    641|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 641]
  ------------------
 1340|    641|                           : pos.towards_sub_oh(
 1341|    641|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|    641|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 641]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|    641|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|    641|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 641, False: 0]
  ------------------
 1346|    641|                pos.copy_sizes(
 1347|    641|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|    641|                newr->d.count    = newcount;
 1349|    641|                newn->inner()[0] = get<1>(subs);
 1350|    641|                std::copy(node->inner() + idx + 1,
 1351|    641|                          node->inner() + count,
 1352|    641|                          newn->inner() + 1);
 1353|    641|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 641, False: 0]
  ------------------
 1354|    641|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|    641|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 641]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|    641|                }
 1358|    641|                return std::make_tuple(pos.shift(), newn);
 1359|    641|            }
 1360|    641|            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|    641|        }
 1373|    641|    }
_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|  8.10k|    {
 1378|  8.10k|        auto node   = pos.node();
 1379|  8.10k|        auto idx    = pos.index(first);
 1380|  8.10k|        auto count  = pos.count();
 1381|  8.10k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [Folded, False: 8.10k]
  ------------------
 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|  8.10k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 0, False: 8.10k]
  ------------------
 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|  8.10k|        } else {
 1391|  8.10k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  8.10k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [Folded, False: 8.10k]
  ------------------
 1393|      0|                pos.visit(dec_visitor{});
 1394|  8.10k|            return std::make_tuple(0, newn);
 1395|  8.10k|        }
 1396|  8.10k|    }
_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|  1.80k|    {
 1304|  1.80k|        auto idx    = pos.subindex(first);
 1305|  1.80k|        auto count  = pos.count();
 1306|  1.80k|        auto node   = pos.node();
 1307|  1.80k|        auto mutate = Mutating
  ------------------
  |  Branch (1307:23): [Folded, False: 1.80k]
  ------------------
 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|  1.80k|        auto left_size          = pos.size_before(idx);
 1313|  1.80k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.80k|        auto dropped_size       = first;
 1315|  1.80k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.80k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 1.80k]
  |  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|  1.80k|        } else {
 1325|  1.80k|            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|  1.80k|            auto newcount = count - idx;
 1330|  1.80k|            auto newn =
 1331|  1.80k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.80k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.80k|                       : node_t::make_inner_r_e(e);
 1336|  1.80k|            auto newr = newn->relaxed();
 1337|  1.80k|            IMMER_TRY {
  ------------------
  |  |   49|  1.80k|#define IMMER_TRY try
  ------------------
 1338|  1.80k|                auto subs =
 1339|  1.80k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.80k]
  ------------------
 1340|  1.80k|                           : pos.towards_sub_oh(
 1341|  1.80k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.80k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.80k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.80k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.80k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.80k, False: 0]
  ------------------
 1346|  1.80k|                pos.copy_sizes(
 1347|  1.80k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.80k|                newr->d.count    = newcount;
 1349|  1.80k|                newn->inner()[0] = get<1>(subs);
 1350|  1.80k|                std::copy(node->inner() + idx + 1,
 1351|  1.80k|                          node->inner() + count,
 1352|  1.80k|                          newn->inner() + 1);
 1353|  1.80k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.80k, False: 0]
  ------------------
 1354|  1.80k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.80k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [Folded, False: 1.80k]
  ------------------
 1356|      0|                        pos.visit(dec_visitor{});
 1357|  1.80k|                }
 1358|  1.80k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.80k|            }
 1360|  1.80k|            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|  1.80k|        }
 1373|  1.80k|    }
_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|  4.34k|    {
 1378|  4.34k|        auto node   = pos.node();
 1379|  4.34k|        auto idx    = pos.index(first);
 1380|  4.34k|        auto count  = pos.count();
 1381|  4.34k|        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|  4.34k|                      node->can_mutate(e);
  ------------------
  |  Branch (1383:23): [True: 1.95k, False: 2.39k]
  ------------------
 1384|  4.34k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 1.95k, False: 2.39k]
  ------------------
 1385|  1.95k|            auto data     = node->leaf();
 1386|  1.95k|            auto newcount = count - idx;
 1387|  1.95k|            std::move(data + idx, data + count, data);
 1388|  1.95k|            detail::destroy_n(data + newcount, idx);
 1389|  1.95k|            return std::make_tuple(0, node);
 1390|  2.39k|        } else {
 1391|  2.39k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  2.39k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [True: 2.39k, Folded]
  ------------------
 1393|  2.39k|                pos.visit(dec_visitor{});
 1394|  2.39k|            return std::make_tuple(0, newn);
 1395|  2.39k|        }
 1396|  4.34k|    }
_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|  1.95k|    {
 1304|  1.95k|        auto idx    = pos.subindex(first);
 1305|  1.95k|        auto count  = pos.count();
 1306|  1.95k|        auto node   = pos.node();
 1307|  1.95k|        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|  1.95k|        auto left_size          = pos.size_before(idx);
 1313|  1.95k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  1.95k|        auto dropped_size       = first;
 1315|  1.95k|        auto child_dropped_size = dropped_size - left_size;
 1316|  1.95k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [Folded, False: 1.95k]
  |  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|  1.95k|        } else {
 1325|  1.95k|            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|  1.95k|            auto newcount = count - idx;
 1330|  1.95k|            auto newn =
 1331|  1.95k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.95k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.95k|                       : node_t::make_inner_r_e(e);
 1336|  1.95k|            auto newr = newn->relaxed();
 1337|  1.95k|            IMMER_TRY {
  ------------------
  |  |   49|  1.95k|#define IMMER_TRY try
  ------------------
 1338|  1.95k|                auto subs =
 1339|  1.95k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.95k]
  ------------------
 1340|  1.95k|                           : pos.towards_sub_oh(
 1341|  1.95k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.95k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.95k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.95k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.95k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.95k, False: 0]
  ------------------
 1346|  1.95k|                pos.copy_sizes(
 1347|  1.95k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.95k|                newr->d.count    = newcount;
 1349|  1.95k|                newn->inner()[0] = get<1>(subs);
 1350|  1.95k|                std::copy(node->inner() + idx + 1,
 1351|  1.95k|                          node->inner() + count,
 1352|  1.95k|                          newn->inner() + 1);
 1353|  1.95k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.95k, False: 0]
  ------------------
 1354|  1.95k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.95k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 1.95k, Folded]
  ------------------
 1356|  1.95k|                        pos.visit(dec_visitor{});
 1357|  1.95k|                }
 1358|  1.95k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.95k|            }
 1360|  1.95k|            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|  1.95k|        }
 1373|  1.95k|    }
_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|  37.7k|    {
 1378|  37.7k|        auto node   = pos.node();
 1379|  37.7k|        auto idx    = pos.index(first);
 1380|  37.7k|        auto count  = pos.count();
 1381|  37.7k|        auto mutate = Mutating &&
  ------------------
  |  Branch (1381:23): [Folded, False: 37.7k]
  ------------------
 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|  37.7k|        if (mutate) {
  ------------------
  |  Branch (1384:13): [True: 0, False: 37.7k]
  ------------------
 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|  37.7k|        } else {
 1391|  37.7k|            auto newn = node_t::copy_leaf_e(e, node, idx, count);
 1392|  37.7k|            if (Mutating)
  ------------------
  |  Branch (1392:17): [Folded, False: 37.7k]
  ------------------
 1393|      0|                pos.visit(dec_visitor{});
 1394|  37.7k|            return std::make_tuple(0, newn);
 1395|  37.7k|        }
 1396|  37.7k|    }
_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|  2.35k|    {
 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|    }
_ZN5immer6detail4rbts16dec_left_visitor13visit_relaxedIRNS1_11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEEEvOT_j:
 1198|  1.83k|    {
 1199|  1.83k|        using node_t = node_type<Pos>;
 1200|  1.83k|        auto node    = p.node();
 1201|  1.83k|        if (node->dec()) {
  ------------------
  |  Branch (1201:13): [True: 1.83k, False: 0]
  ------------------
 1202|  1.83k|            p.each_left(dec_t{}, idx);
 1203|  1.83k|            node_t::delete_inner_r(node, p.count());
 1204|  1.83k|        }
 1205|  1.83k|    }
_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|   156k|    {
 1247|   156k|        auto idx                = pos.subindex(first);
 1248|   156k|        auto count              = pos.count();
 1249|   156k|        auto node               = pos.node();
 1250|   156k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [True: 156k, Folded]
  |  Branch (1250:47): [True: 122k, False: 33.7k]
  ------------------
 1251|   156k|        auto left_size          = pos.size_before(idx);
 1252|   156k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|   156k|        auto dropped_size       = first;
 1254|   156k|        auto child_dropped_size = dropped_size - left_size;
 1255|   156k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [Folded, False: 156k]
  |  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|   156k|        } else {
 1264|   156k|            using std::get;
 1265|   156k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 122k, False: 33.7k]
  ------------------
 1266|   156k|                                   : node_t::make_inner_r_e(e);
 1267|   156k|            auto newr     = newn->relaxed();
 1268|   156k|            auto newcount = count - idx;
 1269|   156k|            auto new_child_size = child_size - child_dropped_size;
 1270|   156k|            IMMER_TRY {
  ------------------
  |  |   49|   156k|#define IMMER_TRY try
  ------------------
 1271|   156k|                auto subs =
 1272|   156k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 122k, False: 33.7k]
  ------------------
 1273|   156k|                           : pos.towards_sub_oh(
 1274|  33.7k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|   156k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 122k, False: 33.7k]
  ------------------
 1276|   122k|                    pos.each_left(dec_visitor{}, idx);
 1277|   156k|                pos.copy_sizes(
 1278|   156k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|   156k|                std::copy(node->inner() + idx + 1,
 1280|   156k|                          node->inner() + count,
 1281|   156k|                          newn->inner() + 1);
 1282|   156k|                newn->inner()[0] = get<1>(subs);
 1283|   156k|                newr->d.sizes[0] = new_child_size;
 1284|   156k|                newr->d.count    = newcount;
 1285|   156k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 156k, False: 0]
  ------------------
 1286|   156k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 33.7k, False: 122k]
  ------------------
 1287|  33.7k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  33.7k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [True: 33.7k, Folded]
  ------------------
 1289|  33.7k|                        pos.visit(dec_visitor{});
 1290|  33.7k|                }
 1291|   156k|                return std::make_tuple(pos.shift(), newn);
 1292|   156k|            }
 1293|   156k|            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|   156k|        }
 1299|   156k|    }
_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|  43.5k|    {
 1247|  43.5k|        auto idx                = pos.subindex(first);
 1248|  43.5k|        auto count              = pos.count();
 1249|  43.5k|        auto node               = pos.node();
 1250|  43.5k|        auto mutate             = Mutating && node->can_mutate(e);
  ------------------
  |  Branch (1250:35): [Folded, False: 43.5k]
  |  Branch (1250:47): [True: 0, False: 0]
  ------------------
 1251|  43.5k|        auto left_size          = pos.size_before(idx);
 1252|  43.5k|        auto child_size         = pos.size_sbh(idx, left_size);
 1253|  43.5k|        auto dropped_size       = first;
 1254|  43.5k|        auto child_dropped_size = dropped_size - left_size;
 1255|  43.5k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1255:13): [Folded, False: 43.5k]
  |  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|  43.5k|        } else {
 1264|  43.5k|            using std::get;
 1265|  43.5k|            auto newn     = mutate ? (node->ensure_mutable_relaxed(e), node)
  ------------------
  |  Branch (1265:29): [True: 0, False: 43.5k]
  ------------------
 1266|  43.5k|                                   : node_t::make_inner_r_e(e);
 1267|  43.5k|            auto newr     = newn->relaxed();
 1268|  43.5k|            auto newcount = count - idx;
 1269|  43.5k|            auto new_child_size = child_size - child_dropped_size;
 1270|  43.5k|            IMMER_TRY {
  ------------------
  |  |   49|  43.5k|#define IMMER_TRY try
  ------------------
 1271|  43.5k|                auto subs =
 1272|  43.5k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1272:21): [True: 0, False: 43.5k]
  ------------------
 1273|  43.5k|                           : pos.towards_sub_oh(
 1274|  43.5k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1275|  43.5k|                if (mutate)
  ------------------
  |  Branch (1275:21): [True: 0, False: 43.5k]
  ------------------
 1276|      0|                    pos.each_left(dec_visitor{}, idx);
 1277|  43.5k|                pos.copy_sizes(
 1278|  43.5k|                    idx + 1, newcount - 1, new_child_size, newr->d.sizes + 1);
 1279|  43.5k|                std::copy(node->inner() + idx + 1,
 1280|  43.5k|                          node->inner() + count,
 1281|  43.5k|                          newn->inner() + 1);
 1282|  43.5k|                newn->inner()[0] = get<1>(subs);
 1283|  43.5k|                newr->d.sizes[0] = new_child_size;
 1284|  43.5k|                newr->d.count    = newcount;
 1285|  43.5k|                assert(new_child_size);
  ------------------
  |  Branch (1285:17): [True: 43.5k, False: 0]
  ------------------
 1286|  43.5k|                if (!mutate) {
  ------------------
  |  Branch (1286:21): [True: 43.5k, False: 0]
  ------------------
 1287|  43.5k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1288|  43.5k|                    if (Mutating)
  ------------------
  |  Branch (1288:25): [Folded, False: 43.5k]
  ------------------
 1289|      0|                        pos.visit(dec_visitor{});
 1290|  43.5k|                }
 1291|  43.5k|                return std::make_tuple(pos.shift(), newn);
 1292|  43.5k|            }
 1293|  43.5k|            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|  43.5k|        }
 1299|  43.5k|    }
_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|  2.37k|    {
 1304|  2.37k|        auto idx    = pos.subindex(first);
 1305|  2.37k|        auto count  = pos.count();
 1306|  2.37k|        auto node   = pos.node();
 1307|  2.37k|        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|  2.37k|        auto left_size          = pos.size_before(idx);
 1313|  2.37k|        auto child_size         = pos.size_sbh(idx, left_size);
 1314|  2.37k|        auto dropped_size       = first;
 1315|  2.37k|        auto child_dropped_size = dropped_size - left_size;
 1316|  2.37k|        if (Collapse && pos.shift() > BL && idx == pos.count() - 1) {
  ------------------
  |  Branch (1316:13): [True: 2.37k, Folded]
  |  Branch (1316:25): [True: 1.55k, False: 815]
  |  Branch (1316:45): [True: 903, False: 653]
  ------------------
 1317|    903|            auto r = mutate ? pos.towards_sub_oh(this_t{}, first, idx, e)
  ------------------
  |  Branch (1317:22): [True: 0, False: 903]
  ------------------
 1318|    903|                            : pos.towards_sub_oh(no_mut_t{}, first, idx, e);
 1319|    903|            if (mutate)
  ------------------
  |  Branch (1319:17): [True: 0, False: 903]
  ------------------
 1320|      0|                pos.visit(dec_left_visitor{}, idx);
 1321|    903|            else if (Mutating)
  ------------------
  |  Branch (1321:22): [True: 903, Folded]
  ------------------
 1322|    903|                pos.visit(dec_visitor{});
 1323|    903|            return r;
 1324|  1.46k|        } else {
 1325|  1.46k|            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|  1.46k|            auto newcount = count - idx;
 1330|  1.46k|            auto newn =
 1331|  1.46k|                mutate ? (node->impl.d.data.inner.relaxed = new (
  ------------------
  |  Branch (1331:17): [True: 0, False: 1.46k]
  ------------------
 1332|      0|                              node_t::heap::allocate(node_t::max_sizeof_relaxed,
 1333|      0|                                                     norefs_tag{})) relaxed_t,
 1334|      0|                          node)
 1335|  1.46k|                       : node_t::make_inner_r_e(e);
 1336|  1.46k|            auto newr = newn->relaxed();
 1337|  1.46k|            IMMER_TRY {
  ------------------
  |  |   49|  1.46k|#define IMMER_TRY try
  ------------------
 1338|  1.46k|                auto subs =
 1339|  1.46k|                    mutate ? pos.towards_sub_oh(no_collapse_t{}, first, idx, e)
  ------------------
  |  Branch (1339:21): [True: 0, False: 1.46k]
  ------------------
 1340|  1.46k|                           : pos.towards_sub_oh(
 1341|  1.46k|                                 no_collapse_no_mut_t{}, first, idx, e);
 1342|  1.46k|                if (mutate)
  ------------------
  |  Branch (1342:21): [True: 0, False: 1.46k]
  ------------------
 1343|      0|                    pos.each_left(dec_visitor{}, idx);
 1344|  1.46k|                newr->d.sizes[0] = child_size - child_dropped_size;
 1345|  1.46k|                assert(newr->d.sizes[0]);
  ------------------
  |  Branch (1345:17): [True: 1.46k, False: 0]
  ------------------
 1346|  1.46k|                pos.copy_sizes(
 1347|  1.46k|                    idx + 1, newcount - 1, newr->d.sizes[0], newr->d.sizes + 1);
 1348|  1.46k|                newr->d.count    = newcount;
 1349|  1.46k|                newn->inner()[0] = get<1>(subs);
 1350|  1.46k|                std::copy(node->inner() + idx + 1,
 1351|  1.46k|                          node->inner() + count,
 1352|  1.46k|                          newn->inner() + 1);
 1353|  1.46k|                if (!mutate) {
  ------------------
  |  Branch (1353:21): [True: 1.46k, False: 0]
  ------------------
 1354|  1.46k|                    node_t::inc_nodes(newn->inner() + 1, newcount - 1);
 1355|  1.46k|                    if (Mutating)
  ------------------
  |  Branch (1355:25): [True: 1.46k, Folded]
  ------------------
 1356|  1.46k|                        pos.visit(dec_visitor{});
 1357|  1.46k|                }
 1358|  1.46k|                return std::make_tuple(pos.shift(), newn);
 1359|  1.46k|            }
 1360|  1.46k|            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|  1.46k|        }
 1373|  2.37k|    }
_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|  15.1k|        {
  350|  15.1k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 15.1k, False: 0]
  ------------------
  351|  15.1k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 14.1k, False: 987]
  ------------------
  352|  15.1k|                       ? visit_maybe_relaxed_sub(rootl,
  353|  14.1k|                                                 shiftl,
  354|  14.1k|                                                 sizel,
  355|  14.1k|                                                 this_t{},
  356|  14.1k|                                                 posr,
  357|  14.1k|                                                 first,
  358|  14.1k|                                                 size_t{})
  359|  15.1k|                       : posr.first_sub_inner(
  360|    987|                             rrb{}, first, rootl, shiftl, sizel);
  361|  15.1k|        }
_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|  41.9k|    {
  383|  41.9k|        auto nl = posl.node();
  384|  41.9k|        auto nr = posr.node();
  385|  41.9k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 13.3k, False: 28.6k]
  ------------------
  386|  13.3k|            return true;
  387|  28.6k|        auto cl = posl.count();
  388|  28.6k|        auto cr = posr.count();
  389|  28.6k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 28.6k, False: 0]
  ------------------
  390|  28.6k|        auto sbr = size_t{};
  391|  28.6k|        auto i   = count_t{};
  392|  28.6k|        auto j   = count_t{};
  393|   129k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 116k, False: 13.2k]
  ------------------
  394|   116k|            auto sbl = posl.size_before(i);
  395|   202k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 179k, False: 22.3k]
  |  Branch (395:34): [True: 85.8k, False: 94.0k]
  ------------------
  396|  85.8k|                ;
  397|   116k|            auto res =
  398|   116k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 60.0k, False: 56.3k]
  ------------------
  399|   116k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|   116k|                    : posl.nth_sub(i,
  401|  56.3k|                                   for_each_chunk_p_visitor{},
  402|  56.3k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|   116k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 15.3k, False: 101k]
  ------------------
  404|  15.3k|                return false;
  405|   116k|        }
  406|  13.2k|        return true;
  407|  28.6k|    }
_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|  25.4k|        {
  337|  25.4k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  25.4k|        }
_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|  26.0k|    {
  428|  26.0k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 16.4k, False: 9.57k]
  ------------------
  429|  16.4k|            return true;
  430|  9.57k|        auto cl = posl.count();
  431|  9.57k|        auto cr = posr.count();
  432|  9.57k|        auto mp = std::min(cl, cr);
  433|  9.57k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 7.63k, False: 1.94k]
  ------------------
  434|  9.57k|                          posl.node()->leaf() + mp,
  435|  9.57k|                          posr.node()->leaf()) &&
  436|  7.63k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 7.15k, False: 481]
  ------------------
  437|  7.63k|                          posl.node()->leaf() + posl.count(),
  438|  7.63k|                          first + (idx + mp));
  439|  26.0k|    }
_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|  30.8k|        {
  330|  30.8k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  30.8k|        }
_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|  4.44k|    {
  413|  4.44k|        return this_t::visit_relaxed(posl, posr, first, idx);
  414|  4.44k|    }
_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|  4.44k|    {
  383|  4.44k|        auto nl = posl.node();
  384|  4.44k|        auto nr = posr.node();
  385|  4.44k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 4.44k]
  ------------------
  386|      0|            return true;
  387|  4.44k|        auto cl = posl.count();
  388|  4.44k|        auto cr = posr.count();
  389|  4.44k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 4.44k, False: 0]
  ------------------
  390|  4.44k|        auto sbr = size_t{};
  391|  4.44k|        auto i   = count_t{};
  392|  4.44k|        auto j   = count_t{};
  393|  15.6k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 13.7k, False: 1.95k]
  ------------------
  394|  13.7k|            auto sbl = posl.size_before(i);
  395|  22.9k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 19.0k, False: 3.87k]
  |  Branch (395:34): [True: 9.22k, False: 9.86k]
  ------------------
  396|  9.22k|                ;
  397|  13.7k|            auto res =
  398|  13.7k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 8.63k, False: 5.10k]
  ------------------
  399|  13.7k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  13.7k|                    : posl.nth_sub(i,
  401|  5.10k|                                   for_each_chunk_p_visitor{},
  402|  5.10k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  13.7k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 2.49k, False: 11.2k]
  ------------------
  404|  2.49k|                return false;
  405|  13.7k|        }
  406|  1.95k|        return true;
  407|  4.44k|    }
_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|  5.69k|        {
  337|  5.69k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  5.69k|        }
_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|  12.0k|    {
  428|  12.0k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 8.19k, False: 3.83k]
  ------------------
  429|  8.19k|            return true;
  430|  3.83k|        auto cl = posl.count();
  431|  3.83k|        auto cr = posr.count();
  432|  3.83k|        auto mp = std::min(cl, cr);
  433|  3.83k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 3.46k, False: 362]
  ------------------
  434|  3.83k|                          posl.node()->leaf() + mp,
  435|  3.83k|                          posr.node()->leaf()) &&
  436|  3.46k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 3.06k, False: 400]
  ------------------
  437|  3.46k|                          posl.node()->leaf() + posl.count(),
  438|  3.46k|                          first + (idx + mp));
  439|  12.0k|    }
_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|  2.11k|        {
  330|  2.11k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  2.11k|        }
_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|  2.27k|    {
  413|  2.27k|        return this_t::visit_relaxed(posl, posr, first, idx);
  414|  2.27k|    }
_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|  2.27k|    {
  383|  2.27k|        auto nl = posl.node();
  384|  2.27k|        auto nr = posr.node();
  385|  2.27k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 2.27k]
  ------------------
  386|      0|            return true;
  387|  2.27k|        auto cl = posl.count();
  388|  2.27k|        auto cr = posr.count();
  389|  2.27k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 2.27k, False: 0]
  ------------------
  390|  2.27k|        auto sbr = size_t{};
  391|  2.27k|        auto i   = count_t{};
  392|  2.27k|        auto j   = count_t{};
  393|  15.8k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 14.4k, False: 1.48k]
  ------------------
  394|  14.4k|            auto sbl = posl.size_before(i);
  395|  25.3k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 21.6k, False: 3.66k]
  |  Branch (395:34): [True: 10.9k, False: 10.7k]
  ------------------
  396|  10.9k|                ;
  397|  14.4k|            auto res =
  398|  14.4k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 8.33k, False: 6.06k]
  ------------------
  399|  14.4k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  14.4k|                    : posl.nth_sub(i,
  401|  6.06k|                                   for_each_chunk_p_visitor{},
  402|  6.06k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  14.4k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 787, False: 13.6k]
  ------------------
  404|    787|                return false;
  405|  14.4k|        }
  406|  1.48k|        return true;
  407|  2.27k|    }
_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|  7.00k|        {
  337|  7.00k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  7.00k|        }
_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|    475|        {
  330|    475|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    475|        }
_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|    857|        {
  330|    857|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    857|        }
_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|  1.68k|    {
  420|  1.68k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 1.68k, False: 0]
  ------------------
  421|  1.68k|                   ? this_t::visit_regular(posl, posr.node())
  422|  1.68k|                   : this_t::visit_regular(posr, posl.node());
  423|  1.68k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  12.5k|    {
  444|  12.5k|        auto node = pos.node();
  445|  12.5k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 9.08k, False: 3.43k]
  |  Branch (445:33): [True: 1.98k, False: 1.45k]
  ------------------
  446|  12.5k|    }
_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|  22.9k|    {
  451|  22.9k|        auto node = pos.node();
  452|  22.9k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 17.5k, False: 5.44k]
  |  Branch (452:33): [True: 3.14k, False: 2.30k]
  ------------------
  453|  5.44k|                                           node->leaf() + pos.count(),
  454|  5.44k|                                           other->leaf());
  455|  22.9k|    }
_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|  10.3k|    {
  444|  10.3k|        auto node = pos.node();
  445|  10.3k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 5.18k, False: 5.20k]
  |  Branch (445:33): [True: 2.31k, False: 2.88k]
  ------------------
  446|  10.3k|    }
_ZN5immer6detail4rbts14equals_visitor10visit_leafIRNS1_8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  450|  3.00k|    {
  451|  3.00k|        auto node = pos.node();
  452|  3.00k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 1.50k, False: 1.49k]
  |  Branch (452:33): [True: 529, False: 968]
  ------------------
  453|  1.49k|                                           node->leaf() + pos.count(),
  454|  1.49k|                                           other->leaf());
  455|  3.00k|    }
_ZN5immer6detail4rbts14equals_visitor13visit_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEESE_EEbOT_PT0_:
  443|  3.21k|    {
  444|  3.21k|        auto node = pos.node();
  445|  3.21k|        return node == other || pos.each_pred_zip(this_t{}, other);
  ------------------
  |  Branch (445:16): [True: 282, False: 2.93k]
  |  Branch (445:33): [True: 1.59k, False: 1.33k]
  ------------------
  446|  3.21k|    }
_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|   202k|    {
  113|   202k|        auto data = as_const(pos.node()->leaf());
  114|   202k|        return fn(data, data + pos.count());
  115|   202k|    }
_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|  1.11M|        return [iter](auto f, auto e) mutable {
  368|  1.11M|            if (f == &*iter) {
  ------------------
  |  Branch (368:17): [True: 96.9k, False: 1.01M]
  ------------------
  369|  96.9k|                iter += e - f;
  370|  96.9k|                return true;
  371|  96.9k|            }
  372|  8.65M|            for (; f != e; ++f, ++iter)
  ------------------
  |  Branch (372:20): [True: 7.64M, False: 1.00M]
  ------------------
  373|  7.64M|                if (*f != *iter)
  ------------------
  |  Branch (373:21): [True: 5.95k, False: 7.64M]
  ------------------
  374|  5.95k|                    return false;
  375|  1.00M|            return true;
  376|  1.01M|        };
_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|  4.26M|    {
   54|  4.26M|        return pos.towards(this_t{}, idx);
   55|  4.26M|    }
_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|   944k|    {
   60|   944k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|   944k|    }
_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|   235k|    {
   54|   235k|        return pos.towards(this_t{}, idx);
   55|   235k|    }
_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|   217k|    {
   60|   217k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|   217k|    }
_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|   233k|    {
   54|   233k|        return pos.towards(this_t{}, idx);
   55|   233k|    }
_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|  18.4k|    {
   60|  18.4k|        return std::make_tuple(pos.node()->leaf(), pos.index(idx), pos.count());
   61|  18.4k|    }
_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|  32.5k|    {
   54|  32.5k|        return pos.towards(this_t{}, idx);
   55|  32.5k|    }
_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|  16.5k|    {
  107|  16.5k|        return pos.each_pred(this_t{}, fn);
  108|  16.5k|    }
_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|    826|        {
  330|    826|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|    826|        }
_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|  8.88k|    {
  420|  8.88k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 8.88k, False: 0]
  ------------------
  421|  8.88k|                   ? this_t::visit_regular(posl, posr.node())
  422|  8.88k|                   : this_t::visit_regular(posr, posl.node());
  423|  8.88k|    }
_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|   896k|    {
  113|   896k|        auto data = as_const(pos.node()->leaf());
  114|   896k|        return fn(data, data + pos.count());
  115|   896k|    }
_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|  15.2k|    {
  107|  15.2k|        return pos.each_pred(this_t{}, fn);
  108|  15.2k|    }
_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|  13.0k|    {
  113|  13.0k|        auto data = as_const(pos.node()->leaf());
  114|  13.0k|        return fn(data, data + pos.count());
  115|  13.0k|    }
_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|  3.55k|    {
  107|  3.55k|        return pos.each_pred(this_t{}, fn);
  108|  3.55k|    }
_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|  4.37k|        {
  330|  4.37k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  4.37k|        }
_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|  3.80k|    {
  383|  3.80k|        auto nl = posl.node();
  384|  3.80k|        auto nr = posr.node();
  385|  3.80k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 3.80k]
  ------------------
  386|      0|            return true;
  387|  3.80k|        auto cl = posl.count();
  388|  3.80k|        auto cr = posr.count();
  389|  3.80k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 3.80k, False: 0]
  ------------------
  390|  3.80k|        auto sbr = size_t{};
  391|  3.80k|        auto i   = count_t{};
  392|  3.80k|        auto j   = count_t{};
  393|  16.2k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 14.5k, False: 1.69k]
  ------------------
  394|  14.5k|            auto sbl = posl.size_before(i);
  395|  23.9k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 21.1k, False: 2.79k]
  |  Branch (395:34): [True: 9.32k, False: 11.7k]
  ------------------
  396|  9.32k|                ;
  397|  14.5k|            auto res =
  398|  14.5k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 9.28k, False: 5.30k]
  ------------------
  399|  14.5k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  14.5k|                    : posl.nth_sub(i,
  401|  5.30k|                                   for_each_chunk_p_visitor{},
  402|  5.30k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  14.5k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 2.11k, False: 12.4k]
  ------------------
  404|  2.11k|                return false;
  405|  14.5k|        }
  406|  1.69k|        return true;
  407|  3.80k|    }
_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|  11.7k|        {
  337|  11.7k|            return posl.nth_sub_leaf(i, this_t{}, posr, first, idx);
  338|  11.7k|        }
_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|  11.7k|    {
  428|  11.7k|        if (posl.node() == posr.node())
  ------------------
  |  Branch (428:13): [True: 8.61k, False: 3.11k]
  ------------------
  429|  8.61k|            return true;
  430|  3.11k|        auto cl = posl.count();
  431|  3.11k|        auto cr = posr.count();
  432|  3.11k|        auto mp = std::min(cl, cr);
  433|  3.11k|        return std::equal(posl.node()->leaf(),
  ------------------
  |  Branch (433:16): [True: 2.53k, False: 577]
  ------------------
  434|  3.11k|                          posl.node()->leaf() + mp,
  435|  3.11k|                          posr.node()->leaf()) &&
  436|  2.53k|               std::equal(posl.node()->leaf() + mp,
  ------------------
  |  Branch (436:16): [True: 2.53k, False: 0]
  ------------------
  437|  2.53k|                          posl.node()->leaf() + posl.count(),
  438|  2.53k|                          first + (idx + mp));
  439|  11.7k|    }
_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|  3.06k|        {
  330|  3.06k|            return posl.nth_sub(i, this_t{}, posr, first, idx);
  331|  3.06k|        }
_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|  1.55k|    {
  383|  1.55k|        auto nl = posl.node();
  384|  1.55k|        auto nr = posr.node();
  385|  1.55k|        if (nl == nr)
  ------------------
  |  Branch (385:13): [True: 0, False: 1.55k]
  ------------------
  386|      0|            return true;
  387|  1.55k|        auto cl = posl.count();
  388|  1.55k|        auto cr = posr.count();
  389|  1.55k|        assert(cr > 0);
  ------------------
  |  Branch (389:9): [True: 1.55k, False: 0]
  ------------------
  390|  1.55k|        auto sbr = size_t{};
  391|  1.55k|        auto i   = count_t{};
  392|  1.55k|        auto j   = count_t{};
  393|  11.0k|        for (; i < cl; ++i) {
  ------------------
  |  Branch (393:16): [True: 10.0k, False: 999]
  ------------------
  394|  10.0k|            auto sbl = posl.size_before(i);
  395|  18.2k|            for (; j + 1 < cr && (sbr = posr.size_before(j)) < sbl; ++j)
  ------------------
  |  Branch (395:20): [True: 17.4k, False: 759]
  |  Branch (395:34): [True: 8.17k, False: 9.32k]
  ------------------
  396|  8.17k|                ;
  397|  10.0k|            auto res =
  398|  10.0k|                sbl == sbr
  ------------------
  |  Branch (398:17): [True: 6.06k, False: 4.02k]
  ------------------
  399|  10.0k|                    ? posr.nth_sub(j, this_aux_t{}, i, posl, first, idx + sbl)
  400|  10.0k|                    : posl.nth_sub(i,
  401|  4.02k|                                   for_each_chunk_p_visitor{},
  402|  4.02k|                                   this_t::equal_chunk_p(first + (idx + sbl)));
  403|  10.0k|            if (!res)
  ------------------
  |  Branch (403:17): [True: 558, False: 9.52k]
  ------------------
  404|    558|                return false;
  405|  10.0k|        }
  406|    999|        return true;
  407|  1.55k|    }
_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|  1.50k|    {
  420|  1.50k|        return posl.count() >= posr.count()
  ------------------
  |  Branch (420:16): [True: 1.50k, False: 0]
  ------------------
  421|  1.50k|                   ? this_t::visit_regular(posl, posr.node())
  422|  1.50k|                   : this_t::visit_regular(posr, posl.node());
  423|  1.50k|    }
_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|   136k|    {
  107|   136k|        return pos.each_pred(this_t{}, fn);
  108|   136k|    }
_ZN5immer6detail4rbts14equals_visitor13equal_chunk_pINS1_16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaOT_:
  366|  76.8k|    {
  367|  76.8k|        return [iter](auto f, auto e) mutable {
  368|  76.8k|            if (f == &*iter) {
  369|  76.8k|                iter += e - f;
  370|  76.8k|                return true;
  371|  76.8k|            }
  372|  76.8k|            for (; f != e; ++f, ++iter)
  373|  76.8k|                if (*f != *iter)
  374|  76.8k|                    return false;
  375|  76.8k|            return true;
  376|  76.8k|        };
  377|  76.8k|    }
_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|  1.24k|        {
  350|  1.24k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 1.24k, False: 0]
  ------------------
  351|  1.24k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 987, False: 261]
  ------------------
  352|  1.24k|                       ? visit_maybe_relaxed_sub(rootl,
  353|    987|                                                 shiftl,
  354|    987|                                                 sizel,
  355|    987|                                                 this_t{},
  356|    987|                                                 posr,
  357|    987|                                                 first,
  358|    987|                                                 size_t{})
  359|  1.24k|                       : posr.first_sub_inner(
  360|    261|                             rrb{}, first, rootl, shiftl, sizel);
  361|  1.24k|        }
_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|  8.31k|        {
  350|  8.31k|            assert(shiftl <= posr.shift());
  ------------------
  |  Branch (350:13): [True: 8.31k, False: 0]
  ------------------
  351|  8.31k|            return shiftl == posr.shift()
  ------------------
  |  Branch (351:20): [True: 8.31k, False: 0]
  ------------------
  352|  8.31k|                       ? visit_maybe_relaxed_sub(rootl,
  353|  8.31k|                                                 shiftl,
  354|  8.31k|                                                 sizel,
  355|  8.31k|                                                 this_t{},
  356|  8.31k|                                                 posr,
  357|  8.31k|                                                 first,
  358|  8.31k|                                                 size_t{})
  359|  8.31k|                       : posr.first_sub_inner(
  360|      0|                             rrb{}, first, rootl, shiftl, sizel);
  361|  8.31k|        }
_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|  6.92k|    {
  451|  6.92k|        auto node = pos.node();
  452|  6.92k|        return node == other || std::equal(node->leaf(),
  ------------------
  |  Branch (452:16): [True: 1.78k, False: 5.13k]
  |  Branch (452:33): [True: 2.17k, False: 2.96k]
  ------------------
  453|  5.13k|                                           node->leaf() + pos.count(),
  454|  5.13k|                                           other->leaf());
  455|  6.92k|    }

_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|   162M|{
 1839|   162M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 162M, False: 0]
  ------------------
 1840|   162M|    auto relaxed = node->relaxed();
 1841|   162M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 147M, False: 14.7M]
  ------------------
 1842|   147M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 147M, False: 0]
  ------------------
 1843|   147M|        return make_relaxed_pos(node, shift, relaxed)
 1844|   147M|            .visit(v, std::forward<Args>(args)...);
 1845|   147M|    } else {
 1846|  14.7M|        return make_regular_sub_pos(node, shift, size)
 1847|  14.7M|            .visit(v, std::forward<Args>(args)...);
 1848|  14.7M|    }
 1849|   162M|}
_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|   417M|{
 1829|   417M|    assert(node);
  ------------------
  |  Branch (1829:5): [True: 417M, False: 0]
  ------------------
 1830|   417M|    assert(relaxed);
  ------------------
  |  Branch (1830:5): [True: 417M, False: 0]
  ------------------
 1831|   417M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1831:5): [True: 417M, False: 0]
  ------------------
 1832|   417M|    return {node, shift, relaxed};
 1833|   417M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1813|   168M|    {
 1814|   168M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   168M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
 1431|   281M|    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|  33.7M|    {
 1477|  33.7M|        each_left(v, relaxed_->d.count, args...);
 1478|  33.7M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9each_leftINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1623|  33.9M|    {
 1624|  33.9M|        auto p = node_->inner();
 1625|  33.9M|        auto s = size_t{};
 1626|  33.9M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 7.43M, False: 26.5M]
  ------------------
 1627|  60.6M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 53.2M, False: 7.43M]
  ------------------
 1628|  53.2M|                IMMER_PREFETCH(p + i + 1);
 1629|  53.2M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  53.2M|                    .visit(v, args...);
 1631|  53.2M|                s = relaxed_->d.sizes[i];
 1632|  53.2M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 53.2M, False: 0]
  ------------------
 1633|  53.2M|            }
 1634|  26.5M|        } else {
 1635|  26.5M|            auto ss = shift_ - B;
 1636|   187M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 160M, False: 26.5M]
  ------------------
 1637|   160M|                visit_maybe_relaxed_sub(
 1638|   160M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|   160M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 160M, False: 0]
  ------------------
 1641|   160M|            }
 1642|  26.5M|        }
 1643|  33.9M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
 1430|   257M|    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|  25.9M|{
 1045|  25.9M|    assert(node);
  ------------------
  |  Branch (1045:5): [True: 25.9M, False: 0]
  ------------------
 1046|  25.9M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1046:5): [True: 25.9M, False: 0]
  ------------------
 1047|  25.9M|    assert(size > 0);
  ------------------
  |  Branch (1047:5): [True: 25.9M, False: 0]
  ------------------
 1048|  25.9M|    assert(size <= (branches<NodeT::bits, size_t> << shift));
  ------------------
  |  Branch (1048:5): [True: 25.9M, False: 0]
  ------------------
 1049|  25.9M|    return {node, shift, size};
 1050|  25.9M|}
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1036|  14.7M|    {
 1037|  14.7M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  14.7M|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  785|  25.7M|    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|   432k|    {
  826|   432k|        return each_regular(*this, v, args...);
  827|   432k|    }
_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|   432k|{
  344|   432k|    constexpr auto B  = bits<Pos>;
  345|   432k|    constexpr auto BL = bits_leaf<Pos>;
  346|   432k|    auto n            = p.node()->inner();
  347|   432k|    auto last         = p.count() - 1;
  348|   432k|    auto e            = n + last;
  349|   432k|    if (p.shift() == BL) {
  ------------------
  |  Branch (349:9): [True: 96.4k, False: 336k]
  ------------------
  350|   230k|        for (; n != e; ++n) {
  ------------------
  |  Branch (350:16): [True: 133k, False: 96.4k]
  ------------------
  351|   133k|            IMMER_PREFETCH(n + 1);
  352|   133k|            make_full_leaf_pos(*n).visit(v, args...);
  353|   133k|        }
  354|  96.4k|        make_leaf_pos(*n, p.size()).visit(v, args...);
  355|   336k|    } else {
  356|   336k|        auto ss = p.shift() - B;
  357|  1.21M|        for (; n != e; ++n)
  ------------------
  |  Branch (357:16): [True: 876k, False: 336k]
  ------------------
  358|   876k|            make_full_pos(*n, ss).visit(v, args...);
  359|   336k|        make_regular_pos(*n, ss, p.size()).visit(v, args...);
  360|   336k|    }
  361|   432k|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  787|  10.0M|    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|  14.2M|{
  215|  14.2M|    assert(node);
  ------------------
  |  Branch (215:5): [True: 14.2M, False: 0]
  ------------------
  216|  14.2M|    return {node};
  217|  14.2M|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  207|  1.66M|    {
  208|  1.66M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.66M|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  199|  8.45M|    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|  13.1M|    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|  1.56M|{
  120|  1.56M|    assert(node);
  ------------------
  |  Branch (120:5): [True: 1.56M, False: 0]
  ------------------
  121|  1.56M|    assert(size > 0);
  ------------------
  |  Branch (121:5): [True: 1.56M, False: 0]
  ------------------
  122|  1.56M|    return {node, size};
  123|  1.56M|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
  786|  7.32M|    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|  1.57M|    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|  2.31M|    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|  2.38M|    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|  4.35M|{
 1413|  4.35M|    assert(node);
  ------------------
  |  Branch (1413:5): [True: 4.35M, False: 0]
  ------------------
 1414|  4.35M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (1414:5): [True: 4.35M, False: 0]
  ------------------
 1415|  4.35M|    return {node, shift};
 1416|  4.35M|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
 1405|  2.85M|    {
 1406|  2.85M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.85M|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
 1159|  3.50M|    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|  94.8k|    {
 1186|  94.8k|        auto p = node_->inner();
 1187|  94.8k|        auto e = p + branches<B>;
 1188|  94.8k|        if (shift_ == BL) {
  ------------------
  |  Branch (1188:13): [True: 82.5k, False: 12.2k]
  ------------------
 1189|   743k|            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|  12.2k|            auto ss = shift_ - B;
 1195|   110k|            for (; p != e; ++p)
  ------------------
  |  Branch (1195:20): [True: 97.8k, False: 12.2k]
  ------------------
 1196|  97.8k|                make_full_pos(*p, ss).visit(v, args...);
 1197|  12.2k|        }
 1198|  94.8k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5countEv:
 1158|  1.31M|    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|  2.93M|{
  691|  2.93M|    assert(node);
  ------------------
  |  Branch (691:5): [True: 2.93M, False: 0]
  ------------------
  692|  2.93M|    assert(shift >= NodeT::bits_leaf);
  ------------------
  |  Branch (692:5): [True: 2.93M, False: 0]
  ------------------
  693|  2.93M|    assert(size > 0);
  ------------------
  |  Branch (693:5): [True: 2.93M, False: 0]
  ------------------
  694|  2.93M|    return {node, shift, size};
  695|  2.93M|}
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  336|   962k|    {
  337|   962k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|   962k|    }
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  231|  5.15M|    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|   914k|    {
  244|   914k|        return each_regular(*this, v, args...);
  245|   914k|    }
_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|   914k|{
  344|   914k|    constexpr auto B  = bits<Pos>;
  345|   914k|    constexpr auto BL = bits_leaf<Pos>;
  346|   914k|    auto n            = p.node()->inner();
  347|   914k|    auto last         = p.count() - 1;
  348|   914k|    auto e            = n + last;
  349|   914k|    if (p.shift() == BL) {
  ------------------
  |  Branch (349:9): [True: 296k, False: 617k]
  ------------------
  350|  1.15M|        for (; n != e; ++n) {
  ------------------
  |  Branch (350:16): [True: 854k, False: 296k]
  ------------------
  351|   854k|            IMMER_PREFETCH(n + 1);
  352|   854k|            make_full_leaf_pos(*n).visit(v, args...);
  353|   854k|        }
  354|   296k|        make_leaf_pos(*n, p.size()).visit(v, args...);
  355|   617k|    } else {
  356|   617k|        auto ss = p.shift() - B;
  357|  2.48M|        for (; n != e; ++n)
  ------------------
  |  Branch (357:16): [True: 1.86M, False: 617k]
  ------------------
  358|  1.86M|            make_full_pos(*n, ss).visit(v, args...);
  359|   617k|        make_regular_pos(*n, ss, p.size()).visit(v, args...);
  360|   617k|    }
  361|   914k|}
_ZNK5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  233|  4.83M|    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|  7.96M|    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|  3.22M|    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|  7.15M|    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|  19.8M|    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|  23.4M|    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|  1.46M|{
   65|  1.46M|    return {node};
   66|  1.46M|}
_ZN5immer6detail4rbts17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
   57|  1.46M|    {
   58|  1.46M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
   59|  1.46M|    }
_ZNK5immer6detail4rbts17empty_regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
   41|  1.46M|    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|  77.7M|{
  152|  77.7M|    assert(node);
  ------------------
  |  Branch (152:5): [True: 77.7M, False: 0]
  ------------------
  153|  77.7M|    assert(count <= branches<NodeT::bits_leaf>);
  ------------------
  |  Branch (153:5): [True: 77.7M, False: 0]
  ------------------
  154|  77.7M|    return {node, count};
  155|  77.7M|}
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
  144|  58.5M|    {
  145|  58.5M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  58.5M|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
  136|  70.1M|    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|  20.2M|    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|  1.32M|{
   89|  1.32M|    assert(node);
  ------------------
  |  Branch (89:5): [True: 1.32M, False: 0]
  ------------------
   90|  1.32M|    return {node};
   91|  1.32M|}
_ZN5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_11dec_visitorEJEEEDcT_DpOT0_:
   81|  1.32M|    {
   82|  1.32M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
   83|  1.32M|    }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4nodeEv:
   75|  1.32M|    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|  7.29k|    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|   215k|    {
 1814|   215k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   215k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
 1433|  26.4M|    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|  12.6M|    {
 1444|  12.6M|        return size_sbh(offset, size_before(offset));
 1445|  12.6M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8size_sbhEjm:
 1448|  12.9M|    {
 1449|  12.9M|        assert(size_before_hint == size_before(offset));
  ------------------
  |  Branch (1449:9): [True: 12.9M, False: 0]
  ------------------
 1450|  12.9M|        return relaxed_->d.sizes[offset] - size_before_hint;
 1451|  12.9M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11size_beforeEj:
 1438|  46.3M|    {
 1439|  46.3M|        return offset ? relaxed_->d.sizes[offset - 1] : 0;
  ------------------
  |  Branch (1439:16): [True: 30.3M, False: 15.9M]
  ------------------
 1440|  46.3M|    }
_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|   200k|    {
 1738|   200k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 200k, False: 0]
  ------------------
 1739|   200k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 200k, False: 0]
  ------------------
 1740|   200k|        auto child   = node_->inner()[offset_hint];
 1741|   200k|        auto is_leaf = shift_ == BL;
 1742|   200k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 200k]
  ------------------
 1743|   200k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|   200k|                   : visit_maybe_relaxed_sub(
 1745|   200k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|   200k|    }
_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|   200k|{
 1839|   200k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 200k, False: 0]
  ------------------
 1840|   200k|    auto relaxed = node->relaxed();
 1841|   200k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 154k, False: 46.1k]
  ------------------
 1842|   154k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 154k, False: 0]
  ------------------
 1843|   154k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   154k|            .visit(v, std::forward<Args>(args)...);
 1845|   154k|    } else {
 1846|  46.1k|        return make_regular_sub_pos(node, shift, size)
 1847|  46.1k|            .visit(v, std::forward<Args>(args)...);
 1848|  46.1k|    }
 1849|   200k|}
_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|  46.1k|    {
 1037|  46.1k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  46.1k|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  788|  2.02M|    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|   302k|    {
  953|   302k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|   302k|    }
_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|   302k|{
  678|   302k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 302k, False: 0]
  ------------------
  679|   302k|    constexpr auto B  = bits<Pos>;
  680|   302k|    constexpr auto BL = bits_leaf<Pos>;
  681|   302k|    auto child        = p.node()->inner()[offset_hint];
  682|   302k|    auto is_leaf      = p.shift() == BL;
  683|   302k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 302k]
  ------------------
  684|   302k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   302k|                         .visit(v, args...);
  686|   302k|}
_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|   872k|    {
  337|   872k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|   872k|    }
_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|   570k|    {
  331|   570k|        return last_oh_regular(*this, v, offset_hint, args...);
  332|   570k|    }
_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|   570k|{
  678|   570k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 570k, False: 0]
  ------------------
  679|   570k|    constexpr auto B  = bits<Pos>;
  680|   570k|    constexpr auto BL = bits_leaf<Pos>;
  681|   570k|    auto child        = p.node()->inner()[offset_hint];
  682|   570k|    auto is_leaf      = p.shift() == BL;
  683|   570k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 570k]
  ------------------
  684|   570k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   570k|                         .visit(v, args...);
  686|   570k|}
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
 1432|   111M|    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|   286k|    {
 1037|   286k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   286k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_DpOT0_:
  144|  70.3k|    {
  145|  70.3k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  70.3k|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  139|  1.14M|    count_t index(size_t idx) const { return idx & mask<BL>; }
flex-vector-bo.cpp:_ZN5immer6detail4rbts23visit_maybe_relaxed_subINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSJ_E_EEEDcPSJ_jmT0_DpOT1_:
 1838|   253k|{
 1839|   253k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 253k, False: 0]
  ------------------
 1840|   253k|    auto relaxed = node->relaxed();
 1841|   253k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 198k, False: 55.1k]
  ------------------
 1842|   198k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 198k, False: 0]
  ------------------
 1843|   198k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   198k|            .visit(v, std::forward<Args>(args)...);
 1845|   198k|    } else {
 1846|  55.1k|        return make_regular_sub_pos(node, shift, size)
 1847|  55.1k|            .visit(v, std::forward<Args>(args)...);
 1848|  55.1k|    }
 1849|   253k|}
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$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1813|   198k|    {
 1814|   198k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   198k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
 1454|  15.0M|    {
 1455|  15.0M|        auto offset = idx >> shift_;
 1456|  21.1M|        while (relaxed_->d.sizes[offset] <= idx)
  ------------------
  |  Branch (1456:16): [True: 6.07M, False: 15.0M]
  ------------------
 1457|  6.07M|            ++offset;
 1458|  15.0M|        return offset;
 1459|  15.0M|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7relaxedEv:
 1435|   198k|    relaxed_t* relaxed() const { return relaxed_; }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjDpOT0_:
 1686|   198k|    {
 1687|   198k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 198k, False: 0]
  ------------------
 1688|   198k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 24.0k, False: 174k]
  ------------------
 1689|   198k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|   198k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjmDpOT0_:
 1698|   198k|    {
 1699|   198k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|   198k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE18towards_sub_oh_sbhINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjmDpOT0_:
 1717|   198k|    {
 1718|   198k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 198k, False: 0]
  ------------------
 1719|   198k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 24.0k, False: 174k]
  |  Branch (1719:9): [True: 198k, False: 0]
  ------------------
 1720|   198k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   198k|        auto child     = node_->inner()[offset_hint];
 1722|   198k|        auto is_leaf   = shift_ == BL;
 1723|   198k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   198k|        auto next_idx  = idx - left_size_hint;
 1725|   198k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 43.9k, False: 154k]
  ------------------
 1726|   198k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  43.9k|                         .visit(v, next_idx, args...)
 1728|   198k|                   : visit_maybe_relaxed_sub(
 1729|   154k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   198k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  144|  43.9k|    {
  145|  43.9k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  43.9k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1036|  55.1k|    {
 1037|  55.1k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  55.1k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
  938|  55.1k|    {
  939|  55.1k|        return towards_oh_ch_regular(
  940|  55.1k|            *this, v, idx, offset_hint, count(), args...);
  941|  55.1k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_14update_visitorISD_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcOSL_T0_mjjDpOT1_:
  632|  55.1k|{
  633|  55.1k|    constexpr auto B  = bits<Pos>;
  634|  55.1k|    constexpr auto BL = bits_leaf<Pos>;
  635|  55.1k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 55.1k, False: 0]
  ------------------
  636|  55.1k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 55.1k, False: 0]
  ------------------
  637|  55.1k|    auto is_leaf = p.shift() == BL;
  638|  55.1k|    auto child   = p.node()->inner()[offset_hint];
  639|  55.1k|    auto is_full = offset_hint + 1 != count_hint;
  640|  55.1k|    return is_full
  ------------------
  |  Branch (640:12): [True: 10.2k, False: 44.8k]
  ------------------
  641|  55.1k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 3.15k, False: 7.14k]
  ------------------
  642|  10.2k|                          : make_full_pos(child, p.shift() - B)
  643|  7.14k|                                .visit(v, idx, args...))
  644|  55.1k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 41.1k, False: 3.68k]
  ------------------
  645|  44.8k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  44.8k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  3.68k|                            .visit(v, idx, args...));
  648|  55.1k|}
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$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  207|  12.6k|    {
  208|  12.6k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  12.6k|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
  202|   276k|    count_t index(size_t idx) const { return idx & mask<BL>; }
flex-vector-bo.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
 1405|  12.4k|    {
 1406|  12.4k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  12.4k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5indexEm:
 1162|   553k|    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$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
 1329|  12.4k|    {
 1330|  12.4k|        return towards_oh(v, idx, offset_hint, args...);
 1331|  12.4k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_14update_visitorISC_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjDpOT0_:
 1336|  12.4k|    {
 1337|  12.4k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 12.4k, False: 0]
  ------------------
 1338|  12.4k|        auto is_leaf = shift_ == BL;
 1339|  12.4k|        auto child   = node_->inner()[offset_hint];
 1340|  12.4k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 8.40k, False: 4.00k]
  ------------------
 1341|  12.4k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  12.4k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  12.4k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  112|  42.5k|    {
  113|  42.5k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  42.5k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14update_visitorISC_EEJRmRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcSL_DpOT0_:
  336|  4.16k|    {
  337|  4.16k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  4.16k|    }
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$_6clI12fuzzer_inputEEDaRT_EUlSK_E_EEEDcSK_mjjDpOT0_:
  316|  4.16k|    {
  317|  4.16k|        return towards_oh_ch_regular(
  318|  4.16k|            *this, v, idx, offset_hint, count(), args...);
  319|  4.16k|    }
flex-vector-bo.cpp:_ZN5immer6detail4rbts21towards_oh_ch_regularIRNS1_11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEENS1_14update_visitorISD_EEJRZZ22LLVMFuzzerTestOneInputENK3$_6clI12fuzzer_inputEEDaRT_EUlSL_E_EEEDcOSL_T0_mjjDpOT1_:
  632|  4.16k|{
  633|  4.16k|    constexpr auto B  = bits<Pos>;
  634|  4.16k|    constexpr auto BL = bits_leaf<Pos>;
  635|  4.16k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 4.16k, False: 0]
  ------------------
  636|  4.16k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 4.16k, False: 0]
  ------------------
  637|  4.16k|    auto is_leaf = p.shift() == BL;
  638|  4.16k|    auto child   = p.node()->inner()[offset_hint];
  639|  4.16k|    auto is_full = offset_hint + 1 != count_hint;
  640|  4.16k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.33k, False: 1.82k]
  ------------------
  641|  4.16k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.07k, False: 1.26k]
  ------------------
  642|  2.33k|                          : make_full_pos(child, p.shift() - B)
  643|  1.26k|                                .visit(v, idx, args...))
  644|  4.16k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.34k, False: 481]
  ------------------
  645|  1.82k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.82k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    481|                            .visit(v, idx, args...));
  648|  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_Lb1EEEJRmEEEDcPT_jmT0_DpOT1_:
 1838|  43.2k|{
 1839|  43.2k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 43.2k, False: 0]
  ------------------
 1840|  43.2k|    auto relaxed = node->relaxed();
 1841|  43.2k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 34.9k, False: 8.31k]
  ------------------
 1842|  34.9k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 34.9k, False: 0]
  ------------------
 1843|  34.9k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  34.9k|            .visit(v, std::forward<Args>(args)...);
 1845|  34.9k|    } else {
 1846|  8.31k|        return make_regular_sub_pos(node, shift, size)
 1847|  8.31k|            .visit(v, std::forward<Args>(args)...);
 1848|  8.31k|    }
 1849|  43.2k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1813|  34.9k|    {
 1814|  34.9k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  34.9k|    }
_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|  27.0k|    {
 1687|  27.0k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 27.0k, False: 0]
  ------------------
 1688|  27.0k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 27.0k]
  ------------------
 1689|  27.0k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  27.0k|    }
_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|  27.0k|    {
 1699|  27.0k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  27.0k|    }
_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|  27.0k|    {
 1718|  27.0k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 27.0k, False: 0]
  ------------------
 1719|  27.0k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 27.0k]
  |  Branch (1719:9): [True: 27.0k, False: 0]
  ------------------
 1720|  27.0k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  27.0k|        auto child     = node_->inner()[offset_hint];
 1722|  27.0k|        auto is_leaf   = shift_ == BL;
 1723|  27.0k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  27.0k|        auto next_idx  = idx - left_size_hint;
 1725|  27.0k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 1.77k, False: 25.2k]
  ------------------
 1726|  27.0k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  1.77k|                         .visit(v, next_idx, args...)
 1728|  27.0k|                   : visit_maybe_relaxed_sub(
 1729|  25.2k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  27.0k|    }
_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|  1.77k|    {
  145|  1.77k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.77k|    }
_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|  11.7k|    {
 1687|  11.7k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 11.7k, False: 0]
  ------------------
 1688|  11.7k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 10.0k, False: 1.73k]
  ------------------
 1689|  11.7k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  11.7k|    }
_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|  11.7k|    {
 1699|  11.7k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  11.7k|    }
_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|  11.7k|    {
 1718|  11.7k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 11.7k, False: 0]
  ------------------
 1719|  11.7k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 10.0k, False: 1.73k]
  |  Branch (1719:9): [True: 11.7k, False: 0]
  ------------------
 1720|  11.7k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  11.7k|        auto child     = node_->inner()[offset_hint];
 1722|  11.7k|        auto is_leaf   = shift_ == BL;
 1723|  11.7k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  11.7k|        auto next_idx  = idx - left_size_hint;
 1725|  11.7k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 4.45k, False: 7.28k]
  ------------------
 1726|  11.7k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  4.45k|                         .visit(v, next_idx, args...)
 1728|  11.7k|                   : visit_maybe_relaxed_sub(
 1729|  7.28k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  11.7k|    }
_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|  4.45k|    {
  145|  4.45k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.45k|    }
_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|  7.28k|{
 1839|  7.28k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.28k, False: 0]
  ------------------
 1840|  7.28k|    auto relaxed = node->relaxed();
 1841|  7.28k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.84k, False: 3.43k]
  ------------------
 1842|  3.84k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.84k, False: 0]
  ------------------
 1843|  3.84k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.84k|            .visit(v, std::forward<Args>(args)...);
 1845|  3.84k|    } else {
 1846|  3.43k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.43k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.43k|    }
 1849|  7.28k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1813|  3.84k|    {
 1814|  3.84k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.84k|    }
_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|  3.43k|    {
 1037|  3.43k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.43k|    }
_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|  6.21k|    {
  928|  6.21k|        return towards_oh_ch_regular(
  929|  6.21k|            *this, v, idx, offset_hint, count(), args...);
  930|  6.21k|    }
_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|  6.21k|{
  633|  6.21k|    constexpr auto B  = bits<Pos>;
  634|  6.21k|    constexpr auto BL = bits_leaf<Pos>;
  635|  6.21k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 6.21k, False: 0]
  ------------------
  636|  6.21k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 6.21k, False: 0]
  ------------------
  637|  6.21k|    auto is_leaf = p.shift() == BL;
  638|  6.21k|    auto child   = p.node()->inner()[offset_hint];
  639|  6.21k|    auto is_full = offset_hint + 1 != count_hint;
  640|  6.21k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.44k, False: 3.76k]
  ------------------
  641|  6.21k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.49k, False: 957]
  ------------------
  642|  2.44k|                          : make_full_pos(child, p.shift() - B)
  643|    957|                                .visit(v, idx, args...))
  644|  6.21k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.12k, False: 2.64k]
  ------------------
  645|  3.76k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  3.76k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.64k|                            .visit(v, idx, args...));
  648|  6.21k|}
_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|  6.63k|    {
  208|  6.63k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  6.63k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1405|  2.37k|    {
 1406|  2.37k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.37k|    }
_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|  5.38k|    {
 1337|  5.38k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 5.38k, False: 0]
  ------------------
 1338|  5.38k|        auto is_leaf = shift_ == BL;
 1339|  5.38k|        auto child   = node_->inner()[offset_hint];
 1340|  5.38k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 4.51k, False: 871]
  ------------------
 1341|  5.38k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  5.38k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  5.38k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
 1161|  55.9k|    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|  2.59k|    {
  113|  2.59k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.59k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
  336|  3.21k|    {
  337|  3.21k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.21k|    }
_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|  3.21k|    {
  306|  3.21k|        return towards_oh_ch_regular(
  307|  3.21k|            *this, v, idx, offset_hint, count(), args...);
  308|  3.21k|    }
_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|  3.21k|{
  633|  3.21k|    constexpr auto B  = bits<Pos>;
  634|  3.21k|    constexpr auto BL = bits_leaf<Pos>;
  635|  3.21k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 3.21k, False: 0]
  ------------------
  636|  3.21k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 3.21k, False: 0]
  ------------------
  637|  3.21k|    auto is_leaf = p.shift() == BL;
  638|  3.21k|    auto child   = p.node()->inner()[offset_hint];
  639|  3.21k|    auto is_full = offset_hint + 1 != count_hint;
  640|  3.21k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.17k, False: 2.04k]
  ------------------
  641|  3.21k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 629, False: 543]
  ------------------
  642|  1.17k|                          : make_full_pos(child, p.shift() - B)
  643|    543|                                .visit(v, idx, args...))
  644|  3.21k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.47k, False: 566]
  ------------------
  645|  2.04k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  2.04k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    566|                            .visit(v, idx, args...));
  648|  3.21k|}
_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|  8.31k|    {
 1037|  8.31k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  8.31k|    }
_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|  5.53k|    {
  928|  5.53k|        return towards_oh_ch_regular(
  929|  5.53k|            *this, v, idx, offset_hint, count(), args...);
  930|  5.53k|    }
_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|  5.53k|{
  633|  5.53k|    constexpr auto B  = bits<Pos>;
  634|  5.53k|    constexpr auto BL = bits_leaf<Pos>;
  635|  5.53k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 5.53k, False: 0]
  ------------------
  636|  5.53k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 5.53k, False: 0]
  ------------------
  637|  5.53k|    auto is_leaf = p.shift() == BL;
  638|  5.53k|    auto child   = p.node()->inner()[offset_hint];
  639|  5.53k|    auto is_full = offset_hint + 1 != count_hint;
  640|  5.53k|    return is_full
  ------------------
  |  Branch (640:12): [True: 4.79k, False: 740]
  ------------------
  641|  5.53k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 995, False: 3.79k]
  ------------------
  642|  4.79k|                          : make_full_pos(child, p.shift() - B)
  643|  3.79k|                                .visit(v, idx, args...))
  644|  5.53k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 740, False: 0]
  ------------------
  645|    740|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    740|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  5.53k|}
_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|  1.77k|    {
  208|  1.77k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.77k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1405|  6.09k|    {
 1406|  6.09k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  6.09k|    }
_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|  3.07k|    {
 1337|  3.07k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 3.07k, False: 0]
  ------------------
 1338|  3.07k|        auto is_leaf = shift_ == BL;
 1339|  3.07k|        auto child   = node_->inner()[offset_hint];
 1340|  3.07k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 780, False: 2.29k]
  ------------------
 1341|  3.07k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  3.07k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  3.07k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_19slice_right_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
  112|    740|    {
  113|    740|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    740|    }
_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|  32.2k|{
 1839|  32.2k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 32.2k, False: 0]
  ------------------
 1840|  32.2k|    auto relaxed = node->relaxed();
 1841|  32.2k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 23.3k, False: 8.92k]
  ------------------
 1842|  23.3k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 23.3k, False: 0]
  ------------------
 1843|  23.3k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  23.3k|            .visit(v, std::forward<Args>(args)...);
 1845|  23.3k|    } else {
 1846|  8.92k|        return make_regular_sub_pos(node, shift, size)
 1847|  8.92k|            .visit(v, std::forward<Args>(args)...);
 1848|  8.92k|    }
 1849|  32.2k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJRmEEEDcT_DpOT0_:
 1813|  23.3k|    {
 1814|  23.3k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  23.3k|    }
_ZNK5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8subindexEm:
 1434|  4.62M|    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|  4.12k|    {
 1706|  4.12k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 4.12k, False: 0]
  ------------------
 1707|  4.12k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 3.81k, False: 311]
  ------------------
 1708|  4.12k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  4.12k|    }
_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|  4.12k|    {
 1718|  4.12k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 4.12k, False: 0]
  ------------------
 1719|  4.12k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 3.81k, False: 311]
  |  Branch (1719:9): [True: 4.12k, False: 0]
  ------------------
 1720|  4.12k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  4.12k|        auto child     = node_->inner()[offset_hint];
 1722|  4.12k|        auto is_leaf   = shift_ == BL;
 1723|  4.12k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  4.12k|        auto next_idx  = idx - left_size_hint;
 1725|  4.12k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 4.12k]
  ------------------
 1726|  4.12k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  4.12k|                   : visit_maybe_relaxed_sub(
 1729|  4.12k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  4.12k|    }
_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|   105k|    {
 1706|   105k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 105k, False: 0]
  ------------------
 1707|   105k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 31.1k, False: 74.0k]
  ------------------
 1708|   105k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|   105k|    }
_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|   105k|    {
 1718|   105k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 105k, False: 0]
  ------------------
 1719|   105k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 31.1k, False: 74.0k]
  |  Branch (1719:9): [True: 105k, False: 0]
  ------------------
 1720|   105k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   105k|        auto child     = node_->inner()[offset_hint];
 1722|   105k|        auto is_leaf   = shift_ == BL;
 1723|   105k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   105k|        auto next_idx  = idx - left_size_hint;
 1725|   105k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 17.3k, False: 87.8k]
  ------------------
 1726|   105k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  17.3k|                         .visit(v, next_idx, args...)
 1728|   105k|                   : visit_maybe_relaxed_sub(
 1729|  87.8k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   105k|    }
_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|  17.3k|    {
  145|  17.3k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  17.3k|    }
_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|  87.8k|{
 1839|  87.8k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 87.8k, False: 0]
  ------------------
 1840|  87.8k|    auto relaxed = node->relaxed();
 1841|  87.8k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 86.0k, False: 1.84k]
  ------------------
 1842|  86.0k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 86.0k, False: 0]
  ------------------
 1843|  86.0k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  86.0k|            .visit(v, std::forward<Args>(args)...);
 1845|  86.0k|    } else {
 1846|  1.84k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.84k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.84k|    }
 1849|  87.8k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJRmEEEDcT_DpOT0_:
 1813|  86.0k|    {
 1814|  86.0k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  86.0k|    }
_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|  1.84k|    {
 1037|  1.84k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.84k|    }
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE11size_beforeEj:
  791|  1.85M|    {
  792|  1.85M|        return size_t{offset} << shift_;
  793|  1.85M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8size_sbhEjm:
  803|  21.5k|    {
  804|  21.5k|        assert(size_before_hint == size_before(offset));
  ------------------
  |  Branch (804:9): [True: 21.5k, False: 0]
  ------------------
  805|  21.5k|        return offset == subindex(size_ - 1) ? size_ - size_before_hint
  ------------------
  |  Branch (805:16): [True: 8.84k, False: 12.6k]
  ------------------
  806|  21.5k|                                             : size_t{1} << shift_;
  807|  21.5k|    }
_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|  9.81k|    {
  947|  9.81k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  9.81k|    }
_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|  9.81k|{
  654|  9.81k|    constexpr auto B  = bits<Pos>;
  655|  9.81k|    constexpr auto BL = bits_leaf<Pos>;
  656|  9.81k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 9.81k, False: 0]
  ------------------
  657|  9.81k|    auto is_leaf = p.shift() == BL;
  658|  9.81k|    auto child   = p.node()->inner()[offset_hint];
  659|  9.81k|    auto lsize   = offset_hint << p.shift();
  660|  9.81k|    auto size    = p.this_size();
  661|  9.81k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  9.81k|    return is_full
  ------------------
  |  Branch (662:12): [True: 9.81k, False: 0]
  ------------------
  663|  9.81k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 4.96k, False: 4.84k]
  ------------------
  664|  9.81k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  9.81k|                      : make_full_pos(child, p.shift() - B)
  666|  4.84k|                            .visit(v, idx - lsize, args...))
  667|  9.81k|               : (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|  9.81k|}
_ZNK5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE9this_sizeEv:
  794|  21.5k|    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|  10.7k|    {
  208|  10.7k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  10.7k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb0EEEJmEEEDcT_DpOT0_:
 1405|  8.19k|    {
 1406|  8.19k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  8.19k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8subindexEm:
 1163|  11.5k|    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|  43.4k|    {
 1171|  43.4k|        return size_t{offset} << shift_;
 1172|  43.4k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE8size_sbhEjm:
 1166|  11.5k|    {
 1167|  11.5k|        return size_t{1} << shift_;
 1168|  11.5k|    }
_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|  9.14k|    {
 1349|  9.14k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1349:9): [True: 9.14k, False: 0]
  ------------------
 1350|  9.14k|        auto is_leaf = shift_ == BL;
 1351|  9.14k|        auto child   = node_->inner()[offset_hint];
 1352|  9.14k|        auto lsize   = size_t{offset_hint} << shift_;
 1353|  9.14k|        return is_leaf
  ------------------
  |  Branch (1353:16): [True: 5.79k, False: 3.35k]
  ------------------
 1354|  9.14k|                   ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
 1355|  9.14k|                   : make_full_pos(child, shift_ - B)
 1356|  3.35k|                         .visit(v, idx - lsize, args...);
 1357|  9.14k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
 1175|  11.5k|    {
 1176|  11.5k|        auto e = sizes + n;
 1177|  66.7k|        for (; sizes != e; ++sizes) {
  ------------------
  |  Branch (1177:16): [True: 55.1k, False: 11.5k]
  ------------------
 1178|  55.1k|            init = *sizes = init + (size_t{1} << shift_);
 1179|       |            assert(init);
  ------------------
  |  Branch (1179:13): [True: 55.1k, False: 0]
  ------------------
 1180|  55.1k|        }
 1181|  11.5k|    }
_ZNK5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
 1160|   589k|    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|  3.53M|    {
  811|  3.53M|        if (n) {
  ------------------
  |  Branch (811:13): [True: 3.53M, False: 4.60k]
  ------------------
  812|  3.53M|            auto last = offset + n - 1;
  813|  3.53M|            auto e    = sizes + n - 1;
  814|  14.1M|            for (; sizes != e; ++sizes) {
  ------------------
  |  Branch (814:20): [True: 10.5M, False: 3.53M]
  ------------------
  815|  10.5M|                init = *sizes = init + (size_t{1} << shift_);
  816|  10.5M|                assert(init);
  ------------------
  |  Branch (816:17): [True: 10.5M, False: 0]
  ------------------
  817|  10.5M|            }
  818|  3.53M|            *sizes = init + size(last);
  819|       |            assert(*sizes);
  ------------------
  |  Branch (819:13): [True: 3.53M, False: 0]
  ------------------
  820|  3.53M|        }
  821|  3.53M|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEj:
  797|  3.55M|    {
  798|  3.55M|        return offset == subindex(size_ - 1) ? size_ - size_before(offset)
  ------------------
  |  Branch (798:16): [True: 1.77M, False: 1.77M]
  ------------------
  799|  3.55M|                                             : size_t{1} << shift_;
  800|  3.55M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10copy_sizesEjjmPm:
 1462|  20.0M|    {
 1463|  20.0M|        auto e     = sizes + n;
 1464|  20.0M|        auto prev  = size_before(offset);
 1465|  20.0M|        auto these = relaxed_->d.sizes + offset;
 1466|  92.1M|        for (; sizes != e; ++sizes, ++these) {
  ------------------
  |  Branch (1466:16): [True: 72.1M, False: 20.0M]
  ------------------
 1467|  72.1M|            auto this_size = *these;
 1468|  72.1M|            init = *sizes = init + (this_size - prev);
 1469|  72.1M|            assert(init);
  ------------------
  |  Branch (1469:13): [True: 72.1M, False: 0]
  ------------------
 1470|  72.1M|            prev = this_size;
 1471|  72.1M|        }
 1472|  20.0M|    }
_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|  8.92k|    {
 1037|  8.92k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  8.92k|    }
_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|  2.71k|    {
  947|  2.71k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  2.71k|    }
_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|  2.71k|{
  654|  2.71k|    constexpr auto B  = bits<Pos>;
  655|  2.71k|    constexpr auto BL = bits_leaf<Pos>;
  656|  2.71k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 2.71k, False: 0]
  ------------------
  657|  2.71k|    auto is_leaf = p.shift() == BL;
  658|  2.71k|    auto child   = p.node()->inner()[offset_hint];
  659|  2.71k|    auto lsize   = offset_hint << p.shift();
  660|  2.71k|    auto size    = p.this_size();
  661|  2.71k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  2.71k|    return is_full
  ------------------
  |  Branch (662:12): [True: 949, False: 1.76k]
  ------------------
  663|  2.71k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 0, False: 949]
  ------------------
  664|    949|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|    949|                      : make_full_pos(child, p.shift() - B)
  666|    949|                            .visit(v, idx - lsize, args...))
  667|  2.71k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 1.76k]
  ------------------
  668|  1.76k|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|  1.76k|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|  1.76k|                            .visit(v, idx - lsize, args...));
  672|  2.71k|}
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18slice_left_visitorISC_Lb1EEEJmEEEDcT_DpOT0_:
 1405|    949|    {
 1406|    949|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    949|    }
_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|  1.76k|    {
 1037|  1.76k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.76k|    }
_ZN5immer6detail4rbts30make_singleton_regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEEEDaPT_j:
  766|  7.29k|{
  767|  7.29k|    assert(leaf);
  ------------------
  |  Branch (767:5): [True: 7.29k, False: 0]
  ------------------
  768|  7.29k|    IMMER_ASSERT_TAGGED(leaf->kind() == NodeT::kind_t::leaf);
  ------------------
  |  |   68|  7.29k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (768:5): [True: 7.29k, False: 0]
  ------------------
  769|  7.29k|    assert(count > 0);
  ------------------
  |  Branch (769:5): [True: 7.29k, False: 0]
  ------------------
  770|  7.29k|    return singleton_regular_sub_pos<NodeT>{leaf, count};
  771|  7.29k|}
_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|  7.29k|    {
  760|  7.29k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  761|  7.29k|    }
_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|  7.29k|{
 1839|  7.29k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.29k, False: 0]
  ------------------
 1840|  7.29k|    auto relaxed = node->relaxed();
 1841|  7.29k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 4.97k, False: 2.32k]
  ------------------
 1842|  4.97k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 4.97k, False: 0]
  ------------------
 1843|  4.97k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  4.97k|            .visit(v, std::forward<Args>(args)...);
 1845|  4.97k|    } else {
 1846|  2.32k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.32k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.32k|    }
 1849|  7.29k|}
_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|  4.97k|    {
 1814|  4.97k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  4.97k|    }
_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|  7.29k|    {
  745|  7.29k|    }
_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|  7.68M|    {
  145|  7.68M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.68M|    }
_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|   110M|    {
 1814|   110M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   110M|    }
_ZN5immer6detail4rbts12null_sub_pos14each_right_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  707|  3.30M|    {
  708|  3.30M|    }
_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|  7.29k|    {
  745|  7.29k|    }
_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|  7.68M|    {
  145|  7.68M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.68M|    }
_ZNK5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
  137|  7.68M|    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|   110M|    {
 1814|   110M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   110M|    }
_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|  3.30M|    {
  708|  3.30M|    }
_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|  16.8k|    {
 1763|  16.8k|        auto child      = node_->inner()[0];
 1764|  16.8k|        auto child_size = relaxed_->d.sizes[0];
 1765|  16.8k|        auto is_leaf    = shift_ == BL;
 1766|  16.8k|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 16.8k, False: 0]
  ------------------
 1767|  16.8k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 16.8k]
  ------------------
 1768|  16.8k|                       : visit_maybe_relaxed_sub(
 1769|  16.8k|                             child, shift_ - B, child_size, v, args...);
 1770|  16.8k|    }
_ZNK5immer6detail4rbts14empty_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
   76|  7.29k|    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|  3.96M|    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|  16.8k|{
 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: 16.5k, False: 291]
  ------------------
 1842|  16.5k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 16.5k, False: 0]
  ------------------
 1843|  16.5k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  16.5k|            .visit(v, std::forward<Args>(args)...);
 1845|  16.5k|    } else {
 1846|    291|        return make_regular_sub_pos(node, shift, size)
 1847|    291|            .visit(v, std::forward<Args>(args)...);
 1848|    291|    }
 1849|  16.8k|}
_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|  16.5k|    {
 1814|  16.5k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  16.5k|    }
_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|    291|    {
 1037|    291|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    291|    }
_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|    723|    {
  971|    723|        auto is_leaf = shift_ == BL;
  972|    723|        auto child   = node_->inner()[0];
  973|    723|        auto is_full = size_ >= (size_t{1} << shift_);
  974|    723|        return is_full
  ------------------
  |  Branch (974:16): [True: 723, False: 0]
  ------------------
  975|    723|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 723]
  ------------------
  976|    723|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|    723|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|    723|                   : (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|    723|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  201|   402k|    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|  1.04k|    {
 1406|  1.04k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.04k|    }
_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|    320|    {
 1362|    320|        auto is_leaf = shift_ == BL;
 1363|    320|        auto child   = node_->inner()[0];
 1364|    320|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 320]
  ------------------
 1365|    320|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|    320|    }
_ZN5immer6detail4rbts12null_sub_pos13each_left_subINS1_34concat_rebalance_plan_fill_visitorEJRNS1_21concat_rebalance_planILj3ELj3EEEEEEvT_DpOT0_:
  711|  68.5k|    {
  712|  68.5k|    }
_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|  24.2k|    {
 1305|  24.2k|        each_i(v, 1, branches<B>, args...);
 1306|  24.2k|    }
_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|  24.2k|    {
 1264|  24.2k|        auto p = node_->inner() + i;
 1265|  24.2k|        auto e = node_->inner() + n;
 1266|  24.2k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 17.6k, False: 6.56k]
  ------------------
 1267|   141k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 123k, False: 17.6k]
  ------------------
 1268|   123k|                IMMER_PREFETCH(p + 1);
 1269|   123k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|   123k|            }
 1271|  17.6k|        } else {
 1272|  6.56k|            auto ss = shift_ - B;
 1273|  52.5k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 45.9k, False: 6.56k]
  ------------------
 1274|  45.9k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  6.56k|        }
 1276|  24.2k|    }
_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|  5.83M|    {
  208|  5.83M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  5.83M|    }
_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|   580k|    {
 1406|   580k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   580k|    }
_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|  68.5k|    {
  712|  68.5k|    }
_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|  24.2k|    {
 1305|  24.2k|        each_i(v, 1, branches<B>, args...);
 1306|  24.2k|    }
_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|  24.2k|    {
 1264|  24.2k|        auto p = node_->inner() + i;
 1265|  24.2k|        auto e = node_->inner() + n;
 1266|  24.2k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 17.6k, False: 6.56k]
  ------------------
 1267|   141k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 123k, False: 17.6k]
  ------------------
 1268|   123k|                IMMER_PREFETCH(p + 1);
 1269|   123k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|   123k|            }
 1271|  17.6k|        } else {
 1272|  6.56k|            auto ss = shift_ - B;
 1273|  52.5k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 45.9k, False: 6.56k]
  ------------------
 1274|  45.9k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  6.56k|        }
 1276|  24.2k|    }
_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|  5.83M|    {
  208|  5.83M|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  5.83M|    }
_ZNK5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE4sizeEv:
  200|  5.83M|    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|   580k|    {
 1406|   580k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   580k|    }
_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|    723|    {
  754|    723|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|    723|    }
_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|    723|    {
  145|    723|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    723|    }
_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|    723|    {
 1371|    723|        assert(shift_ == BL);
  ------------------
  |  Branch (1371:9): [True: 723, False: 0]
  ------------------
 1372|    723|        auto child = node_->inner()[0];
 1373|    723|        return make_full_leaf_pos(child).visit(v, args...);
 1374|    723|    }
_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|  2.61k|    {
  208|  2.61k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  2.61k|    }
_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|   402k|    {
  907|   402k|        if (count() > 1)
  ------------------
  |  Branch (907:13): [True: 393k, False: 9.53k]
  ------------------
  908|   393k|            each_right_sub_(v, 1, args...);
  909|   402k|    }
_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|   393k|    {
  880|   393k|        auto last  = count() - 1;
  881|   393k|        auto lsize = size_ - (last << shift_);
  882|   393k|        auto n     = node()->inner() + i;
  883|   393k|        auto e     = node()->inner() + last;
  884|   393k|        if (shift() == BL) {
  ------------------
  |  Branch (884:13): [True: 375k, False: 17.6k]
  ------------------
  885|  2.62M|            for (; n != e; ++n) {
  ------------------
  |  Branch (885:20): [True: 2.24M, False: 375k]
  ------------------
  886|  2.24M|                IMMER_PREFETCH(n + 1);
  887|  2.24M|                make_full_leaf_pos(*n).visit(v, args...);
  888|  2.24M|            }
  889|   375k|            make_leaf_sub_pos(*n, lsize).visit(v, args...);
  890|   375k|        } else {
  891|  17.6k|            auto ss = shift_ - B;
  892|  87.6k|            for (; n != e; ++n)
  ------------------
  |  Branch (892:20): [True: 70.0k, False: 17.6k]
  ------------------
  893|  70.0k|                make_full_pos(*n, ss).visit(v, args...);
  894|  17.6k|            make_regular_sub_pos(*n, ss, lsize).visit(v, args...);
  895|  17.6k|        }
  896|   393k|    }
_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|  4.10M|    {
 1037|  4.10M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.10M|    }
_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|   402k|    {
  907|   402k|        if (count() > 1)
  ------------------
  |  Branch (907:13): [True: 393k, False: 9.53k]
  ------------------
  908|   393k|            each_right_sub_(v, 1, args...);
  909|   402k|    }
_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|   393k|    {
  880|   393k|        auto last  = count() - 1;
  881|   393k|        auto lsize = size_ - (last << shift_);
  882|   393k|        auto n     = node()->inner() + i;
  883|   393k|        auto e     = node()->inner() + last;
  884|   393k|        if (shift() == BL) {
  ------------------
  |  Branch (884:13): [True: 375k, False: 17.6k]
  ------------------
  885|  2.62M|            for (; n != e; ++n) {
  ------------------
  |  Branch (885:20): [True: 2.24M, False: 375k]
  ------------------
  886|  2.24M|                IMMER_PREFETCH(n + 1);
  887|  2.24M|                make_full_leaf_pos(*n).visit(v, args...);
  888|  2.24M|            }
  889|   375k|            make_leaf_sub_pos(*n, lsize).visit(v, args...);
  890|   375k|        } else {
  891|  17.6k|            auto ss = shift_ - B;
  892|  87.6k|            for (; n != e; ++n)
  ------------------
  |  Branch (892:20): [True: 70.0k, False: 17.6k]
  ------------------
  893|  70.0k|                make_full_pos(*n, ss).visit(v, args...);
  894|  17.6k|            make_regular_sub_pos(*n, ss, lsize).visit(v, args...);
  895|  17.6k|        }
  896|   393k|    }
_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|  4.10M|    {
 1037|  4.10M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.10M|    }
_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|  1.88k|    {
  754|  1.88k|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|  1.88k|    }
_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|  1.88k|    {
  145|  1.88k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.88k|    }
_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|  1.88k|    {
  987|  1.88k|        assert(shift_ == BL);
  ------------------
  |  Branch (987:9): [True: 1.88k, False: 0]
  ------------------
  988|  1.88k|        auto child   = node_->inner()[0];
  989|  1.88k|        auto is_full = size_ >= branches<BL>;
  990|  1.88k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (990:16): [True: 1.88k, False: 0]
  ------------------
  991|  1.88k|                       : make_leaf_sub_pos(child, size_).visit(v, args...);
  992|  1.88k|    }
_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|  4.68k|    {
  145|  4.68k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.68k|    }
_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|  9.49M|    {
 1648|  9.49M|        each_right(v, 1, std::forward<Args>(args)...);
 1649|  9.49M|    }
_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|  9.49M|    {
 1654|  9.49M|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 9.49M, False: 0]
  ------------------
 1655|  9.49M|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 9.49M, False: 0]
  ------------------
 1656|  9.49M|        auto s = relaxed_->d.sizes[start - 1];
 1657|  9.49M|        auto p = node_->inner();
 1658|  9.49M|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 688k, False: 8.80M]
  ------------------
 1659|  3.30M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 2.61M, False: 688k]
  ------------------
 1660|  2.61M|                IMMER_PREFETCH(p + i + 1);
 1661|  2.61M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  2.61M|                    .visit(v, args...);
 1663|  2.61M|                s = relaxed_->d.sizes[i];
 1664|  2.61M|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 2.61M, False: 0]
  ------------------
 1665|  2.61M|            }
 1666|  8.80M|        } else {
 1667|  8.80M|            auto ss = shift_ - B;
 1668|  63.6M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 54.8M, False: 8.80M]
  ------------------
 1669|  54.8M|                visit_maybe_relaxed_sub(
 1670|  54.8M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  54.8M|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 54.8M, False: 0]
  ------------------
 1673|  54.8M|            }
 1674|  8.80M|        }
 1675|  9.49M|    }
_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|  94.3M|{
 1839|  94.3M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 94.3M, False: 0]
  ------------------
 1840|  94.3M|    auto relaxed = node->relaxed();
 1841|  94.3M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 90.3M, False: 4.08M]
  ------------------
 1842|  90.3M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 90.3M, False: 0]
  ------------------
 1843|  90.3M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  90.3M|            .visit(v, std::forward<Args>(args)...);
 1845|  90.3M|    } else {
 1846|  4.08M|        return make_regular_sub_pos(node, shift, size)
 1847|  4.08M|            .visit(v, std::forward<Args>(args)...);
 1848|  4.08M|    }
 1849|  94.3M|}
_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|  9.49M|    {
 1648|  9.49M|        each_right(v, 1, std::forward<Args>(args)...);
 1649|  9.49M|    }
_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|  9.49M|    {
 1654|  9.49M|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 9.49M, False: 0]
  ------------------
 1655|  9.49M|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 9.49M, False: 0]
  ------------------
 1656|  9.49M|        auto s = relaxed_->d.sizes[start - 1];
 1657|  9.49M|        auto p = node_->inner();
 1658|  9.49M|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 688k, False: 8.80M]
  ------------------
 1659|  3.30M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 2.61M, False: 688k]
  ------------------
 1660|  2.61M|                IMMER_PREFETCH(p + i + 1);
 1661|  2.61M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  2.61M|                    .visit(v, args...);
 1663|  2.61M|                s = relaxed_->d.sizes[i];
 1664|  2.61M|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 2.61M, False: 0]
  ------------------
 1665|  2.61M|            }
 1666|  8.80M|        } else {
 1667|  8.80M|            auto ss = shift_ - B;
 1668|  63.6M|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 54.8M, False: 8.80M]
  ------------------
 1669|  54.8M|                visit_maybe_relaxed_sub(
 1670|  54.8M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|  54.8M|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 54.8M, False: 0]
  ------------------
 1673|  54.8M|            }
 1674|  8.80M|        }
 1675|  9.49M|    }
_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|  94.3M|{
 1839|  94.3M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 94.3M, False: 0]
  ------------------
 1840|  94.3M|    auto relaxed = node->relaxed();
 1841|  94.3M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 90.3M, False: 4.08M]
  ------------------
 1842|  90.3M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 90.3M, False: 0]
  ------------------
 1843|  90.3M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  90.3M|            .visit(v, std::forward<Args>(args)...);
 1845|  90.3M|    } else {
 1846|  4.08M|        return make_regular_sub_pos(node, shift, size)
 1847|  4.08M|            .visit(v, std::forward<Args>(args)...);
 1848|  4.08M|    }
 1849|  94.3M|}
_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|  4.68k|    {
  754|  4.68k|        return make_leaf_sub_pos(leaf_, count_).visit(v, args...);
  755|  4.68k|    }
_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|  4.68k|    {
  145|  4.68k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.68k|    }
_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|  4.68k|    {
 1775|  4.68k|        assert(shift_ == BL);
  ------------------
  |  Branch (1775:9): [True: 4.68k, False: 0]
  ------------------
 1776|  4.68k|        auto child      = node_->inner()[0];
 1777|  4.68k|        auto child_size = relaxed_->d.sizes[0];
 1778|  4.68k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1779|  4.68k|    }
_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|  2.32k|    {
 1037|  2.32k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.32k|    }
_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|  1.08M|{
 1839|  1.08M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.08M, False: 0]
  ------------------
 1840|  1.08M|    auto relaxed = node->relaxed();
 1841|  1.08M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.06M, False: 15.9k]
  ------------------
 1842|  1.06M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.06M, False: 0]
  ------------------
 1843|  1.06M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.06M|            .visit(v, std::forward<Args>(args)...);
 1845|  1.06M|    } else {
 1846|  15.9k|        return make_regular_sub_pos(node, shift, size)
 1847|  15.9k|            .visit(v, std::forward<Args>(args)...);
 1848|  15.9k|    }
 1849|  1.08M|}
_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|  1.06M|    {
 1814|  1.06M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.06M|    }
_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|  1.06M|{
 1839|  1.06M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.06M, False: 0]
  ------------------
 1840|  1.06M|    auto relaxed = node->relaxed();
 1841|  1.06M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.06M, False: 7.16k]
  ------------------
 1842|  1.06M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.06M, False: 0]
  ------------------
 1843|  1.06M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.06M|            .visit(v, std::forward<Args>(args)...);
 1845|  1.06M|    } else {
 1846|  7.16k|        return make_regular_sub_pos(node, shift, size)
 1847|  7.16k|            .visit(v, std::forward<Args>(args)...);
 1848|  7.16k|    }
 1849|  1.06M|}
_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|  1.06M|    {
 1814|  1.06M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.06M|    }
_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|  3.29M|    {
 1751|  3.29M|        auto offset     = relaxed_->d.count - 1;
 1752|  3.29M|        auto child      = node_->inner()[offset];
 1753|  3.29M|        auto child_size = size(offset);
 1754|  3.29M|        auto is_leaf    = shift_ == BL;
 1755|  3.29M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 0, False: 3.29M]
  ------------------
 1756|  3.29M|                       : visit_maybe_relaxed_sub(
 1757|  3.29M|                             child, shift_ - B, child_size, v, args...);
 1758|  3.29M|    }
_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|  3.29M|{
 1839|  3.29M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 3.29M, False: 0]
  ------------------
 1840|  3.29M|    auto relaxed = node->relaxed();
 1841|  3.29M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.29M, False: 2.36k]
  ------------------
 1842|  3.29M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.29M, False: 0]
  ------------------
 1843|  3.29M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.29M|            .visit(v, std::forward<Args>(args)...);
 1845|  3.29M|    } else {
 1846|  2.36k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.36k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.36k|    }
 1849|  3.29M|}
_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|  3.29M|    {
 1814|  3.29M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.29M|    }
_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|  5.01k|    {
 1037|  5.01k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  5.01k|    }
_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|  2.65k|    {
  959|  2.65k|        auto offset  = count() - 1;
  960|  2.65k|        auto child   = node_->inner()[offset];
  961|  2.65k|        auto is_leaf = shift_ == BL;
  962|  2.65k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  2.65k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 0, False: 2.65k]
  ------------------
  964|  2.65k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  2.65k|                             .visit(v, args...);
  966|  2.65k|    }
_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|  1.54M|    {
  914|  1.54M|        each_left(v, count() - 1, args...);
  915|  1.54M|    }
_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|  1.54M|    {
  874|  1.54M|        return each_left_regular(*this, v, last, args...);
  875|  1.54M|    }
_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|  1.54M|{
  576|  1.54M|    constexpr auto B  = bits<Pos>;
  577|  1.54M|    constexpr auto BL = bits_leaf<Pos>;
  578|  1.54M|    assert(last < p.count());
  ------------------
  |  Branch (578:5): [True: 1.54M, False: 0]
  ------------------
  579|  1.54M|    if (p.shift() == BL) {
  ------------------
  |  Branch (579:9): [True: 842k, False: 705k]
  ------------------
  580|   842k|        auto n = p.node()->inner();
  581|   842k|        auto e = n + last;
  582|  4.30M|        for (; n != e; ++n) {
  ------------------
  |  Branch (582:16): [True: 3.46M, False: 842k]
  ------------------
  583|  3.46M|            IMMER_PREFETCH(n + 1);
  584|  3.46M|            make_full_leaf_pos(*n).visit(v, args...);
  585|  3.46M|        }
  586|   842k|    } else {
  587|   705k|        auto n  = p.node()->inner();
  588|   705k|        auto e  = n + last;
  589|   705k|        auto ss = p.shift() - B;
  590|  1.16M|        for (; n != e; ++n)
  ------------------
  |  Branch (590:16): [True: 464k, False: 705k]
  ------------------
  591|   464k|            make_full_pos(*n, ss).visit(v, args...);
  592|   705k|    }
  593|  1.54M|}
_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|  1.54M|    {
  914|  1.54M|        each_left(v, count() - 1, args...);
  915|  1.54M|    }
_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|  1.54M|    {
  874|  1.54M|        return each_left_regular(*this, v, last, args...);
  875|  1.54M|    }
_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|  1.54M|{
  576|  1.54M|    constexpr auto B  = bits<Pos>;
  577|  1.54M|    constexpr auto BL = bits_leaf<Pos>;
  578|  1.54M|    assert(last < p.count());
  ------------------
  |  Branch (578:5): [True: 1.54M, False: 0]
  ------------------
  579|  1.54M|    if (p.shift() == BL) {
  ------------------
  |  Branch (579:9): [True: 842k, False: 705k]
  ------------------
  580|   842k|        auto n = p.node()->inner();
  581|   842k|        auto e = n + last;
  582|  4.30M|        for (; n != e; ++n) {
  ------------------
  |  Branch (582:16): [True: 3.46M, False: 842k]
  ------------------
  583|  3.46M|            IMMER_PREFETCH(n + 1);
  584|  3.46M|            make_full_leaf_pos(*n).visit(v, args...);
  585|  3.46M|        }
  586|   842k|    } else {
  587|   705k|        auto n  = p.node()->inner();
  588|   705k|        auto e  = n + last;
  589|   705k|        auto ss = p.shift() - B;
  590|  1.16M|        for (; n != e; ++n)
  ------------------
  |  Branch (590:16): [True: 464k, False: 705k]
  ------------------
  591|   464k|            make_full_pos(*n, ss).visit(v, args...);
  592|   705k|    }
  593|  1.54M|}
_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|  1.51M|    {
 1763|  1.51M|        auto child      = node_->inner()[0];
 1764|  1.51M|        auto child_size = relaxed_->d.sizes[0];
 1765|  1.51M|        auto is_leaf    = shift_ == BL;
 1766|  1.51M|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 1.51M, False: 0]
  ------------------
 1767|  1.51M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 1.51M]
  ------------------
 1768|  1.51M|                       : visit_maybe_relaxed_sub(
 1769|  1.51M|                             child, shift_ - B, child_size, v, args...);
 1770|  1.51M|    }
_ZNK5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5shiftEv:
  106|  1.08M|    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|  1.51M|{
 1839|  1.51M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.51M, False: 0]
  ------------------
 1840|  1.51M|    auto relaxed = node->relaxed();
 1841|  1.51M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.12M, False: 383k]
  ------------------
 1842|  1.12M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.12M, False: 0]
  ------------------
 1843|  1.12M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.12M|            .visit(v, std::forward<Args>(args)...);
 1845|  1.12M|    } else {
 1846|   383k|        return make_regular_sub_pos(node, shift, size)
 1847|   383k|            .visit(v, std::forward<Args>(args)...);
 1848|   383k|    }
 1849|  1.51M|}
_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|  1.12M|    {
 1814|  1.12M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.12M|    }
_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|   383k|    {
 1037|   383k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   383k|    }
_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|    878|    {
  959|    878|        auto offset  = count() - 1;
  960|    878|        auto child   = node_->inner()[offset];
  961|    878|        auto is_leaf = shift_ == BL;
  962|    878|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|    878|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 0, False: 878]
  ------------------
  964|    878|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|    878|                             .visit(v, args...);
  966|    878|    }
_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|  1.26k|    {
 1037|  1.26k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.26k|    }
_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|  15.8k|    {
  971|  15.8k|        auto is_leaf = shift_ == BL;
  972|  15.8k|        auto child   = node_->inner()[0];
  973|  15.8k|        auto is_full = size_ >= (size_t{1} << shift_);
  974|  15.8k|        return is_full
  ------------------
  |  Branch (974:16): [True: 15.8k, False: 0]
  ------------------
  975|  15.8k|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 15.8k]
  ------------------
  976|  15.8k|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|  15.8k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|  15.8k|                   : (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|  15.8k|    }
_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|  21.7k|    {
 1406|  21.7k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  21.7k|    }
_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|  5.83k|    {
 1362|  5.83k|        auto is_leaf = shift_ == BL;
 1363|  5.83k|        auto child   = node_->inner()[0];
 1364|  5.83k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 5.83k]
  ------------------
 1365|  5.83k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|  5.83k|    }
_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|  21.5k|    {
  959|  21.5k|        auto offset  = count() - 1;
  960|  21.5k|        auto child   = node_->inner()[offset];
  961|  21.5k|        auto is_leaf = shift_ == BL;
  962|  21.5k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  21.5k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 16.0k, False: 5.42k]
  ------------------
  964|  21.5k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  5.42k|                             .visit(v, args...);
  966|  21.5k|    }
_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|  16.9k|    {
  145|  16.9k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  16.9k|    }
_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|  16.9k|    {
 1371|  16.9k|        assert(shift_ == BL);
  ------------------
  |  Branch (1371:9): [True: 16.9k, False: 0]
  ------------------
 1372|  16.9k|        auto child = node_->inner()[0];
 1373|  16.9k|        return make_full_leaf_pos(child).visit(v, args...);
 1374|  16.9k|    }
_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|   400k|    {
  208|   400k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   400k|    }
_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|  5.63k|    {
 1037|  5.63k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  5.63k|    }
_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|   392k|    {
  959|   392k|        auto offset  = count() - 1;
  960|   392k|        auto child   = node_->inner()[offset];
  961|   392k|        auto is_leaf = shift_ == BL;
  962|   392k|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|   392k|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 380k, False: 11.8k]
  ------------------
  964|   392k|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|  11.8k|                             .visit(v, args...);
  966|   392k|    }
_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|   383k|    {
  145|   383k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   383k|    }
_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|   383k|    {
  987|   383k|        assert(shift_ == BL);
  ------------------
  |  Branch (987:9): [True: 383k, False: 0]
  ------------------
  988|   383k|        auto child   = node_->inner()[0];
  989|   383k|        auto is_full = size_ >= branches<BL>;
  990|   383k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (990:16): [True: 383k, False: 0]
  ------------------
  991|   383k|                       : make_leaf_sub_pos(child, size_).visit(v, args...);
  992|   383k|    }
_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|   684k|    {
  145|   684k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   684k|    }
_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|  15.4k|    {
 1037|  15.4k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  15.4k|    }
_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|  1.12M|    {
  959|  1.12M|        auto offset  = count() - 1;
  960|  1.12M|        auto child   = node_->inner()[offset];
  961|  1.12M|        auto is_leaf = shift_ == BL;
  962|  1.12M|        auto lsize   = size_ - (size_t{offset} << shift_);
  963|  1.12M|        return is_leaf ? make_leaf_sub_pos(child, lsize).visit(v, args...)
  ------------------
  |  Branch (963:16): [True: 445k, False: 684k]
  ------------------
  964|  1.12M|                       : make_regular_sub_pos(child, shift_ - B, lsize)
  965|   684k|                             .visit(v, args...);
  966|  1.12M|    }
_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|   684k|    {
  145|   684k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   684k|    }
_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|   684k|    {
 1775|   684k|        assert(shift_ == BL);
  ------------------
  |  Branch (1775:9): [True: 684k, False: 0]
  ------------------
 1776|   684k|        auto child      = node_->inner()[0];
 1777|   684k|        auto child_size = relaxed_->d.sizes[0];
 1778|   684k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1779|   684k|    }
_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|  1.50M|    {
 1037|  1.50M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.50M|    }
_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|  11.6M|    {
 1618|  11.6M|        each_left(v, relaxed_->d.count - 1, args...);
 1619|  11.6M|    }
_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|  11.6M|    {
 1624|  11.6M|        auto p = node_->inner();
 1625|  11.6M|        auto s = size_t{};
 1626|  11.6M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 242k, False: 11.3M]
  ------------------
 1627|  1.66M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 1.42M, False: 242k]
  ------------------
 1628|  1.42M|                IMMER_PREFETCH(p + i + 1);
 1629|  1.42M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  1.42M|                    .visit(v, args...);
 1631|  1.42M|                s = relaxed_->d.sizes[i];
 1632|  1.42M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 1.42M, False: 0]
  ------------------
 1633|  1.42M|            }
 1634|  11.3M|        } else {
 1635|  11.3M|            auto ss = shift_ - B;
 1636|  50.9M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 39.5M, False: 11.3M]
  ------------------
 1637|  39.5M|                visit_maybe_relaxed_sub(
 1638|  39.5M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|  39.5M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 39.5M, False: 0]
  ------------------
 1641|  39.5M|            }
 1642|  11.3M|        }
 1643|  11.6M|    }
_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|  11.6M|    {
 1618|  11.6M|        each_left(v, relaxed_->d.count - 1, args...);
 1619|  11.6M|    }
_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|  11.6M|    {
 1624|  11.6M|        auto p = node_->inner();
 1625|  11.6M|        auto s = size_t{};
 1626|  11.6M|        if (shift_ == BL) {
  ------------------
  |  Branch (1626:13): [True: 242k, False: 11.3M]
  ------------------
 1627|  1.66M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1627:39): [True: 1.42M, False: 242k]
  ------------------
 1628|  1.42M|                IMMER_PREFETCH(p + i + 1);
 1629|  1.42M|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1630|  1.42M|                    .visit(v, args...);
 1631|  1.42M|                s = relaxed_->d.sizes[i];
 1632|  1.42M|                assert(s);
  ------------------
  |  Branch (1632:17): [True: 1.42M, False: 0]
  ------------------
 1633|  1.42M|            }
 1634|  11.3M|        } else {
 1635|  11.3M|            auto ss = shift_ - B;
 1636|  50.9M|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1636:39): [True: 39.5M, False: 11.3M]
  ------------------
 1637|  39.5M|                visit_maybe_relaxed_sub(
 1638|  39.5M|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1639|  39.5M|                s = relaxed_->d.sizes[i];
 1640|       |                assert(s);
  ------------------
  |  Branch (1640:17): [True: 39.5M, False: 0]
  ------------------
 1641|  39.5M|            }
 1642|  11.3M|        }
 1643|  11.6M|    }
_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|  7.27M|    {
 1763|  7.27M|        auto child      = node_->inner()[0];
 1764|  7.27M|        auto child_size = relaxed_->d.sizes[0];
 1765|  7.27M|        auto is_leaf    = shift_ == BL;
 1766|  7.27M|        assert(child_size);
  ------------------
  |  Branch (1766:9): [True: 7.27M, False: 0]
  ------------------
 1767|  7.27M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1767:16): [True: 0, False: 7.27M]
  ------------------
 1768|  7.27M|                       : visit_maybe_relaxed_sub(
 1769|  7.27M|                             child, shift_ - B, child_size, v, args...);
 1770|  7.27M|    }
_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|  7.27M|{
 1839|  7.27M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.27M, False: 0]
  ------------------
 1840|  7.27M|    auto relaxed = node->relaxed();
 1841|  7.27M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 7.27M, False: 750]
  ------------------
 1842|  7.27M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 7.27M, False: 0]
  ------------------
 1843|  7.27M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  7.27M|            .visit(v, std::forward<Args>(args)...);
 1845|  7.27M|    } else {
 1846|    750|        return make_regular_sub_pos(node, shift, size)
 1847|    750|            .visit(v, std::forward<Args>(args)...);
 1848|    750|    }
 1849|  7.27M|}
_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|  7.27M|    {
 1814|  7.27M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  7.27M|    }
_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|    750|    {
 1037|    750|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    750|    }
_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|  10.5k|    {
 1751|  10.5k|        auto offset     = relaxed_->d.count - 1;
 1752|  10.5k|        auto child      = node_->inner()[offset];
 1753|  10.5k|        auto child_size = size(offset);
 1754|  10.5k|        auto is_leaf    = shift_ == BL;
 1755|  10.5k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 0, False: 10.5k]
  ------------------
 1756|  10.5k|                       : visit_maybe_relaxed_sub(
 1757|  10.5k|                             child, shift_ - B, child_size, v, args...);
 1758|  10.5k|    }
_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|  10.5k|{
 1839|  10.5k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 10.5k, False: 0]
  ------------------
 1840|  10.5k|    auto relaxed = node->relaxed();
 1841|  10.5k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 10.1k, False: 387]
  ------------------
 1842|  10.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 10.1k, False: 0]
  ------------------
 1843|  10.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  10.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  10.1k|    } else {
 1846|    387|        return make_regular_sub_pos(node, shift, size)
 1847|    387|            .visit(v, std::forward<Args>(args)...);
 1848|    387|    }
 1849|  10.5k|}
_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|  10.1k|    {
 1814|  10.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  10.1k|    }
_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|  1.03k|    {
  971|  1.03k|        auto is_leaf = shift_ == BL;
  972|  1.03k|        auto child   = node_->inner()[0];
  973|  1.03k|        auto is_full = size_ >= (size_t{1} << shift_);
  974|  1.03k|        return is_full
  ------------------
  |  Branch (974:16): [True: 1.03k, False: 0]
  ------------------
  975|  1.03k|                   ? (is_leaf
  ------------------
  |  Branch (975:23): [True: 0, False: 1.03k]
  ------------------
  976|  1.03k|                          ? make_full_leaf_pos(child).visit(v, args...)
  977|  1.03k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
  978|  1.03k|                   : (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|  1.03k|    }
_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|  1.44k|    {
 1406|  1.44k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.44k|    }
_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|    414|    {
 1362|    414|        auto is_leaf = shift_ == BL;
 1363|    414|        auto child   = node_->inner()[0];
 1364|    414|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1364:16): [True: 0, False: 414]
  ------------------
 1365|    414|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1366|    414|    }
_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|  1.24k|    {
 1751|  1.24k|        auto offset     = relaxed_->d.count - 1;
 1752|  1.24k|        auto child      = node_->inner()[offset];
 1753|  1.24k|        auto child_size = size(offset);
 1754|  1.24k|        auto is_leaf    = shift_ == BL;
 1755|  1.24k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 821, False: 428]
  ------------------
 1756|  1.24k|                       : visit_maybe_relaxed_sub(
 1757|    428|                             child, shift_ - B, child_size, v, args...);
 1758|  1.24k|    }
_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|    428|{
 1839|    428|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 428, False: 0]
  ------------------
 1840|    428|    auto relaxed = node->relaxed();
 1841|    428|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 219, False: 209]
  ------------------
 1842|    219|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 219, False: 0]
  ------------------
 1843|    219|        return make_relaxed_pos(node, shift, relaxed)
 1844|    219|            .visit(v, std::forward<Args>(args)...);
 1845|    219|    } else {
 1846|    209|        return make_regular_sub_pos(node, shift, size)
 1847|    209|            .visit(v, std::forward<Args>(args)...);
 1848|    209|    }
 1849|    428|}
_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|    219|    {
 1814|    219|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    219|    }
_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|  6.94k|    {
 1751|  6.94k|        auto offset     = relaxed_->d.count - 1;
 1752|  6.94k|        auto child      = node_->inner()[offset];
 1753|  6.94k|        auto child_size = size(offset);
 1754|  6.94k|        auto is_leaf    = shift_ == BL;
 1755|  6.94k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 2.86k, False: 4.08k]
  ------------------
 1756|  6.94k|                       : visit_maybe_relaxed_sub(
 1757|  4.08k|                             child, shift_ - B, child_size, v, args...);
 1758|  6.94k|    }
_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|  4.08k|{
 1839|  4.08k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 4.08k, False: 0]
  ------------------
 1840|  4.08k|    auto relaxed = node->relaxed();
 1841|  4.08k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 455, False: 3.62k]
  ------------------
 1842|    455|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 455, False: 0]
  ------------------
 1843|    455|        return make_relaxed_pos(node, shift, relaxed)
 1844|    455|            .visit(v, std::forward<Args>(args)...);
 1845|  3.62k|    } else {
 1846|  3.62k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.62k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.62k|    }
 1849|  4.08k|}
_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|    455|    {
 1814|    455|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    455|    }
_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|  8.28M|    {
 1751|  8.28M|        auto offset     = relaxed_->d.count - 1;
 1752|  8.28M|        auto child      = node_->inner()[offset];
 1753|  8.28M|        auto child_size = size(offset);
 1754|  8.28M|        auto is_leaf    = shift_ == BL;
 1755|  8.28M|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1755:16): [True: 238k, False: 8.05M]
  ------------------
 1756|  8.28M|                       : visit_maybe_relaxed_sub(
 1757|  8.05M|                             child, shift_ - B, child_size, v, args...);
 1758|  8.28M|    }
_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|  8.05M|{
 1839|  8.05M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 8.05M, False: 0]
  ------------------
 1840|  8.05M|    auto relaxed = node->relaxed();
 1841|  8.05M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 7.23M, False: 819k]
  ------------------
 1842|  7.23M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 7.23M, False: 0]
  ------------------
 1843|  7.23M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  7.23M|            .visit(v, std::forward<Args>(args)...);
 1845|  7.23M|    } else {
 1846|   819k|        return make_regular_sub_pos(node, shift, size)
 1847|   819k|            .visit(v, std::forward<Args>(args)...);
 1848|   819k|    }
 1849|  8.05M|}
_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|  7.23M|    {
 1814|  7.23M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  7.23M|    }
_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|  7.16k|    {
 1037|  7.16k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  7.16k|    }
_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|  15.9k|    {
 1037|  15.9k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  15.9k|    }
_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|  15.9k|{
 1839|  15.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 15.9k, False: 0]
  ------------------
 1840|  15.9k|    auto relaxed = node->relaxed();
 1841|  15.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 6.82k, False: 9.08k]
  ------------------
 1842|  6.82k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 6.82k, False: 0]
  ------------------
 1843|  6.82k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  6.82k|            .visit(v, std::forward<Args>(args)...);
 1845|  9.08k|    } else {
 1846|  9.08k|        return make_regular_sub_pos(node, shift, size)
 1847|  9.08k|            .visit(v, std::forward<Args>(args)...);
 1848|  9.08k|    }
 1849|  15.9k|}
_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|  6.82k|    {
 1814|  6.82k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  6.82k|    }
_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|  9.08k|    {
 1037|  9.08k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  9.08k|    }
_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|   176k|    {
 1814|   176k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   176k|    }
_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|   171k|    {
 1738|   171k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 171k, False: 0]
  ------------------
 1739|   171k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 171k, False: 0]
  ------------------
 1740|   171k|        auto child   = node_->inner()[offset_hint];
 1741|   171k|        auto is_leaf = shift_ == BL;
 1742|   171k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 171k]
  ------------------
 1743|   171k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|   171k|                   : visit_maybe_relaxed_sub(
 1745|   171k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|   171k|    }
_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|   171k|{
 1839|   171k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 171k, False: 0]
  ------------------
 1840|   171k|    auto relaxed = node->relaxed();
 1841|   171k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 13.8k, False: 157k]
  ------------------
 1842|  13.8k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 13.8k, False: 0]
  ------------------
 1843|  13.8k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  13.8k|            .visit(v, std::forward<Args>(args)...);
 1845|   157k|    } else {
 1846|   157k|        return make_regular_sub_pos(node, shift, size)
 1847|   157k|            .visit(v, std::forward<Args>(args)...);
 1848|   157k|    }
 1849|   171k|}
_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|   157k|    {
 1037|   157k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   157k|    }
_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|   327k|    {
  953|   327k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|   327k|    }
_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|   327k|{
  678|   327k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 327k, False: 0]
  ------------------
  679|   327k|    constexpr auto B  = bits<Pos>;
  680|   327k|    constexpr auto BL = bits_leaf<Pos>;
  681|   327k|    auto child        = p.node()->inner()[offset_hint];
  682|   327k|    auto is_leaf      = p.shift() == BL;
  683|   327k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 327k]
  ------------------
  684|   327k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   327k|                         .visit(v, args...);
  686|   327k|}
_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|  1.03M|    {
  337|  1.03M|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.03M|    }
_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|   709k|    {
  331|   709k|        return last_oh_regular(*this, v, offset_hint, args...);
  332|   709k|    }
_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|   709k|{
  678|   709k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 709k, False: 0]
  ------------------
  679|   709k|    constexpr auto B  = bits<Pos>;
  680|   709k|    constexpr auto BL = bits_leaf<Pos>;
  681|   709k|    auto child        = p.node()->inner()[offset_hint];
  682|   709k|    auto is_leaf      = p.shift() == BL;
  683|   709k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 709k]
  ------------------
  684|   709k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|   709k|                         .visit(v, args...);
  686|   709k|}
_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|  4.03k|    {
  331|  4.03k|        return last_oh_regular(*this, v, offset_hint, args...);
  332|  4.03k|    }
_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|  4.03k|{
  678|  4.03k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 4.03k, False: 0]
  ------------------
  679|  4.03k|    constexpr auto B  = bits<Pos>;
  680|  4.03k|    constexpr auto BL = bits_leaf<Pos>;
  681|  4.03k|    auto child        = p.node()->inner()[offset_hint];
  682|  4.03k|    auto is_leaf      = p.shift() == BL;
  683|  4.03k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 4.03k]
  ------------------
  684|  4.03k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  4.03k|                         .visit(v, args...);
  686|  4.03k|}
_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|  6.10k|    {
  337|  6.10k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  6.10k|    }
_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|  2.07k|    {
  953|  2.07k|        return last_oh_regular(*this, v, offset_hint, args...);
  954|  2.07k|    }
_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|  2.07k|{
  678|  2.07k|    assert(offset_hint == p.count() - 1);
  ------------------
  |  Branch (678:5): [True: 2.07k, False: 0]
  ------------------
  679|  2.07k|    constexpr auto B  = bits<Pos>;
  680|  2.07k|    constexpr auto BL = bits_leaf<Pos>;
  681|  2.07k|    auto child        = p.node()->inner()[offset_hint];
  682|  2.07k|    auto is_leaf      = p.shift() == BL;
  683|  2.07k|    return is_leaf ? make_leaf_pos(child, p.size()).visit(v, args...)
  ------------------
  |  Branch (683:12): [True: 0, False: 2.07k]
  ------------------
  684|  2.07k|                   : make_regular_pos(child, p.shift() - B, p.size())
  685|  2.07k|                         .visit(v, args...);
  686|  2.07k|}
_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|  8.22k|    {
 1738|  8.22k|        assert(offset_hint == count() - 1);
  ------------------
  |  Branch (1738:9): [True: 8.22k, False: 0]
  ------------------
 1739|  8.22k|        assert(child_size_hint == size(offset_hint));
  ------------------
  |  Branch (1739:9): [True: 8.22k, False: 0]
  ------------------
 1740|  8.22k|        auto child   = node_->inner()[offset_hint];
 1741|  8.22k|        auto is_leaf = shift_ == BL;
 1742|  8.22k|        return is_leaf
  ------------------
  |  Branch (1742:16): [True: 0, False: 8.22k]
  ------------------
 1743|  8.22k|                   ? make_leaf_sub_pos(child, child_size_hint).visit(v, args...)
 1744|  8.22k|                   : visit_maybe_relaxed_sub(
 1745|  8.22k|                         child, shift_ - B, child_size_hint, v, args...);
 1746|  8.22k|    }
_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|  8.22k|{
 1839|  8.22k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 8.22k, False: 0]
  ------------------
 1840|  8.22k|    auto relaxed = node->relaxed();
 1841|  8.22k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 7.04k, False: 1.18k]
  ------------------
 1842|  7.04k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 7.04k, False: 0]
  ------------------
 1843|  7.04k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  7.04k|            .visit(v, std::forward<Args>(args)...);
 1845|  7.04k|    } else {
 1846|  1.18k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.18k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.18k|    }
 1849|  8.22k|}
_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|  7.04k|    {
 1814|  7.04k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  7.04k|    }
_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|  1.18k|    {
 1037|  1.18k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.18k|    }
_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|   182k|    {
 1037|   182k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   182k|    }
_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|  19.5k|{
 1839|  19.5k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 19.5k, False: 0]
  ------------------
 1840|  19.5k|    auto relaxed = node->relaxed();
 1841|  19.5k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 16.7k, False: 2.81k]
  ------------------
 1842|  16.7k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 16.7k, False: 0]
  ------------------
 1843|  16.7k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  16.7k|            .visit(v, std::forward<Args>(args)...);
 1845|  16.7k|    } else {
 1846|  2.81k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.81k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.81k|    }
 1849|  19.5k|}
_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|  16.7k|    {
 1814|  16.7k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  16.7k|    }
_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|  97.6k|    {
 1687|  97.6k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 97.6k, False: 0]
  ------------------
 1688|  97.6k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 20.6k, False: 76.9k]
  ------------------
 1689|  97.6k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  97.6k|    }
_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|  97.6k|    {
 1699|  97.6k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  97.6k|    }
_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|  97.6k|    {
 1718|  97.6k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 97.6k, False: 0]
  ------------------
 1719|  97.6k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 20.6k, False: 76.9k]
  |  Branch (1719:9): [True: 97.6k, False: 0]
  ------------------
 1720|  97.6k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  97.6k|        auto child     = node_->inner()[offset_hint];
 1722|  97.6k|        auto is_leaf   = shift_ == BL;
 1723|  97.6k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  97.6k|        auto next_idx  = idx - left_size_hint;
 1725|  97.6k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 14.8k, False: 82.7k]
  ------------------
 1726|  97.6k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  14.8k|                         .visit(v, next_idx, args...)
 1728|  97.6k|                   : visit_maybe_relaxed_sub(
 1729|  82.7k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  97.6k|    }
_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|  14.8k|    {
  145|  14.8k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  14.8k|    }
_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|  82.7k|{
 1839|  82.7k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 82.7k, False: 0]
  ------------------
 1840|  82.7k|    auto relaxed = node->relaxed();
 1841|  82.7k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 80.9k, False: 1.85k]
  ------------------
 1842|  80.9k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 80.9k, False: 0]
  ------------------
 1843|  80.9k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  80.9k|            .visit(v, std::forward<Args>(args)...);
 1845|  80.9k|    } else {
 1846|  1.85k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.85k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.85k|    }
 1849|  82.7k|}
_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|  80.9k|    {
 1814|  80.9k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  80.9k|    }
_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|  1.85k|    {
 1037|  1.85k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.85k|    }
_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|  4.66k|    {
  939|  4.66k|        return towards_oh_ch_regular(
  940|  4.66k|            *this, v, idx, offset_hint, count(), args...);
  941|  4.66k|    }
_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|  4.66k|{
  633|  4.66k|    constexpr auto B  = bits<Pos>;
  634|  4.66k|    constexpr auto BL = bits_leaf<Pos>;
  635|  4.66k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 4.66k, False: 0]
  ------------------
  636|  4.66k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 4.66k, False: 0]
  ------------------
  637|  4.66k|    auto is_leaf = p.shift() == BL;
  638|  4.66k|    auto child   = p.node()->inner()[offset_hint];
  639|  4.66k|    auto is_full = offset_hint + 1 != count_hint;
  640|  4.66k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.13k, False: 2.53k]
  ------------------
  641|  4.66k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.04k, False: 1.09k]
  ------------------
  642|  2.13k|                          : make_full_pos(child, p.shift() - B)
  643|  1.09k|                                .visit(v, idx, args...))
  644|  4.66k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.34k, False: 1.18k]
  ------------------
  645|  2.53k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  2.53k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  1.18k|                            .visit(v, idx, args...));
  648|  4.66k|}
_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|  2.72k|    {
  208|  2.72k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  2.72k|    }
_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|  2.01k|    {
 1406|  2.01k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.01k|    }
_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|  2.01k|    {
 1330|  2.01k|        return towards_oh(v, idx, offset_hint, args...);
 1331|  2.01k|    }
_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|  2.01k|    {
 1337|  2.01k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 2.01k, False: 0]
  ------------------
 1338|  2.01k|        auto is_leaf = shift_ == BL;
 1339|  2.01k|        auto child   = node_->inner()[offset_hint];
 1340|  2.01k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.35k, False: 661]
  ------------------
 1341|  2.01k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  2.01k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  2.01k|    }
_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|  1.94k|    {
  113|  1.94k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  1.94k|    }
_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|  1.60k|    {
  337|  1.60k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.60k|    }
_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|  1.60k|    {
  317|  1.60k|        return towards_oh_ch_regular(
  318|  1.60k|            *this, v, idx, offset_hint, count(), args...);
  319|  1.60k|    }
_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|  1.60k|{
  633|  1.60k|    constexpr auto B  = bits<Pos>;
  634|  1.60k|    constexpr auto BL = bits_leaf<Pos>;
  635|  1.60k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 1.60k, False: 0]
  ------------------
  636|  1.60k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 1.60k, False: 0]
  ------------------
  637|  1.60k|    auto is_leaf = p.shift() == BL;
  638|  1.60k|    auto child   = p.node()->inner()[offset_hint];
  639|  1.60k|    auto is_full = offset_hint + 1 != count_hint;
  640|  1.60k|    return is_full
  ------------------
  |  Branch (640:12): [True: 594, False: 1.00k]
  ------------------
  641|  1.60k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 326, False: 268]
  ------------------
  642|    594|                          : make_full_pos(child, p.shift() - B)
  643|    268|                                .visit(v, idx, args...))
  644|  1.60k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 593, False: 413]
  ------------------
  645|  1.00k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  1.00k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    413|                            .visit(v, idx, args...));
  648|  1.60k|}
_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|  2.81k|    {
 1037|  2.81k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.81k|    }
_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|  49.9k|{
 1839|  49.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 49.9k, False: 0]
  ------------------
 1840|  49.9k|    auto relaxed = node->relaxed();
 1841|  49.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 37.5k, False: 12.4k]
  ------------------
 1842|  37.5k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 37.5k, False: 0]
  ------------------
 1843|  37.5k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  37.5k|            .visit(v, std::forward<Args>(args)...);
 1845|  37.5k|    } else {
 1846|  12.4k|        return make_regular_sub_pos(node, shift, size)
 1847|  12.4k|            .visit(v, std::forward<Args>(args)...);
 1848|  12.4k|    }
 1849|  49.9k|}
_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|  37.5k|    {
 1814|  37.5k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  37.5k|    }
_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|  21.0k|    {
 1687|  21.0k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 21.0k, False: 0]
  ------------------
 1688|  21.0k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 21.0k]
  ------------------
 1689|  21.0k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  21.0k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE14towards_oh_sbhINS1_23slice_right_mut_visitorISC_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1698|  21.0k|    {
 1699|  21.0k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  21.0k|    }
_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_Lb1ELb1EEEJRNSA_5applyIS7_E4type4editEEEEDcT_mjmDpOT0_:
 1717|  21.0k|    {
 1718|  21.0k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 21.0k, False: 0]
  ------------------
 1719|  21.0k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 21.0k]
  |  Branch (1719:9): [True: 21.0k, False: 0]
  ------------------
 1720|  21.0k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  21.0k|        auto child     = node_->inner()[offset_hint];
 1722|  21.0k|        auto is_leaf   = shift_ == BL;
 1723|  21.0k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  21.0k|        auto next_idx  = idx - left_size_hint;
 1725|  21.0k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 983, False: 20.1k]
  ------------------
 1726|  21.0k|                   ? make_leaf_sub_pos(child, next_size)
 1727|    983|                         .visit(v, next_idx, args...)
 1728|  21.0k|                   : visit_maybe_relaxed_sub(
 1729|  20.1k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  21.0k|    }
_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|    983|    {
  145|    983|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    983|    }
_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|  11.2k|    {
 1687|  11.2k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 11.2k, False: 0]
  ------------------
 1688|  11.2k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 0, False: 11.2k]
  ------------------
 1689|  11.2k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  11.2k|    }
_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|  11.2k|    {
 1699|  11.2k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  11.2k|    }
_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|  11.2k|    {
 1718|  11.2k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 11.2k, False: 0]
  ------------------
 1719|  11.2k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 0, False: 11.2k]
  |  Branch (1719:9): [True: 11.2k, False: 0]
  ------------------
 1720|  11.2k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  11.2k|        auto child     = node_->inner()[offset_hint];
 1722|  11.2k|        auto is_leaf   = shift_ == BL;
 1723|  11.2k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  11.2k|        auto next_idx  = idx - left_size_hint;
 1725|  11.2k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 751, False: 10.5k]
  ------------------
 1726|  11.2k|                   ? make_leaf_sub_pos(child, next_size)
 1727|    751|                         .visit(v, next_idx, args...)
 1728|  11.2k|                   : visit_maybe_relaxed_sub(
 1729|  10.5k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  11.2k|    }
_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|    751|    {
  145|    751|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    751|    }
_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|  10.5k|{
 1839|  10.5k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 10.5k, False: 0]
  ------------------
 1840|  10.5k|    auto relaxed = node->relaxed();
 1841|  10.5k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 9.23k, False: 1.29k]
  ------------------
 1842|  9.23k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 9.23k, False: 0]
  ------------------
 1843|  9.23k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  9.23k|            .visit(v, std::forward<Args>(args)...);
 1845|  9.23k|    } 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|  10.5k|}
_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|  9.23k|    {
 1814|  9.23k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  9.23k|    }
_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|  1.29k|    {
 1037|  1.29k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.29k|    }
_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|  2.56k|    {
  928|  2.56k|        return towards_oh_ch_regular(
  929|  2.56k|            *this, v, idx, offset_hint, count(), args...);
  930|  2.56k|    }
_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|  2.56k|{
  633|  2.56k|    constexpr auto B  = bits<Pos>;
  634|  2.56k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.56k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.56k, False: 0]
  ------------------
  636|  2.56k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.56k, False: 0]
  ------------------
  637|  2.56k|    auto is_leaf = p.shift() == BL;
  638|  2.56k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.56k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.56k|    return is_full
  ------------------
  |  Branch (640:12): [True: 2.15k, False: 412]
  ------------------
  641|  2.56k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 689, False: 1.46k]
  ------------------
  642|  2.15k|                          : make_full_pos(child, p.shift() - B)
  643|  1.46k|                                .visit(v, idx, args...))
  644|  2.56k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 412, False: 0]
  ------------------
  645|    412|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    412|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  2.56k|}
_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|  1.99k|    {
  208|  1.99k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.99k|    }
_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|  1.75k|    {
 1406|  1.75k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.75k|    }
_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|  1.59k|    {
 1337|  1.59k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 1.59k, False: 0]
  ------------------
 1338|  1.59k|        auto is_leaf = shift_ == BL;
 1339|  1.59k|        auto child   = node_->inner()[offset_hint];
 1340|  1.59k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.30k, False: 291]
  ------------------
 1341|  1.59k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  1.59k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  1.59k|    }
_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|  2.16k|    {
 1337|  2.16k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 2.16k, False: 0]
  ------------------
 1338|  2.16k|        auto is_leaf = shift_ == BL;
 1339|  2.16k|        auto child   = node_->inner()[offset_hint];
 1340|  2.16k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 1.32k, False: 842]
  ------------------
 1341|  2.16k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  2.16k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  2.16k|    }
_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|  3.24k|    {
  208|  3.24k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  3.24k|    }
_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|  3.37k|    {
 1406|  3.37k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.37k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1405|  3.32k|    {
 1406|  3.32k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.32k|    }
_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|  9.19k|    {
 1337|  9.19k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 9.19k, False: 0]
  ------------------
 1338|  9.19k|        auto is_leaf = shift_ == BL;
 1339|  9.19k|        auto child   = node_->inner()[offset_hint];
 1340|  9.19k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 6.95k, False: 2.23k]
  ------------------
 1341|  9.19k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|  9.19k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|  9.19k|    }
_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|  9.34k|    {
  208|  9.34k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  9.34k|    }
_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|  5.25k|    {
 1406|  5.25k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  5.25k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1310|  3.34k|    {
 1311|  3.34k|        each_i(v, start, branches<B>, args...);
 1312|  3.34k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE6each_iINS1_11dec_visitorEJEEEvT_jjDpOT0_:
 1263|  3.34k|    {
 1264|  3.34k|        auto p = node_->inner() + i;
 1265|  3.34k|        auto e = node_->inner() + n;
 1266|  3.34k|        if (shift_ == BL) {
  ------------------
  |  Branch (1266:13): [True: 2.00k, False: 1.33k]
  ------------------
 1267|  13.2k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1267:20): [True: 11.1k, False: 2.00k]
  ------------------
 1268|  11.1k|                IMMER_PREFETCH(p + 1);
 1269|  11.1k|                make_full_leaf_pos(*p).visit(v, args...);
 1270|  11.1k|            }
 1271|  2.00k|        } else {
 1272|  1.33k|            auto ss = shift_ - B;
 1273|  10.2k|            for (; p != e; ++p)
  ------------------
  |  Branch (1273:20): [True: 8.89k, False: 1.33k]
  ------------------
 1274|  8.89k|                make_full_pos(*p, ss).visit(v, args...);
 1275|  1.33k|        }
 1276|  3.34k|    }
_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|    412|    {
  113|    412|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    412|    }
_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|  2.58k|    {
  306|  2.58k|        return towards_oh_ch_regular(
  307|  2.58k|            *this, v, idx, offset_hint, count(), args...);
  308|  2.58k|    }
_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|  2.58k|{
  633|  2.58k|    constexpr auto B  = bits<Pos>;
  634|  2.58k|    constexpr auto BL = bits_leaf<Pos>;
  635|  2.58k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 2.58k, False: 0]
  ------------------
  636|  2.58k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 2.58k, False: 0]
  ------------------
  637|  2.58k|    auto is_leaf = p.shift() == BL;
  638|  2.58k|    auto child   = p.node()->inner()[offset_hint];
  639|  2.58k|    auto is_full = offset_hint + 1 != count_hint;
  640|  2.58k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.67k, False: 906]
  ------------------
  641|  2.58k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 942, False: 733]
  ------------------
  642|  1.67k|                          : make_full_pos(child, p.shift() - B)
  643|    733|                                .visit(v, idx, args...))
  644|  2.58k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 420, False: 486]
  ------------------
  645|    906|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    906|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    486|                            .visit(v, idx, args...));
  648|  2.58k|}
_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|  1.54k|    {
  113|  1.54k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  1.54k|    }
_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|  3.49k|    {
  337|  3.49k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.49k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
  336|  1.46k|    {
  337|  1.46k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  1.46k|    }
_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|  4.20k|    {
  306|  4.20k|        return towards_oh_ch_regular(
  307|  4.20k|            *this, v, idx, offset_hint, count(), args...);
  308|  4.20k|    }
_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|  4.20k|{
  633|  4.20k|    constexpr auto B  = bits<Pos>;
  634|  4.20k|    constexpr auto BL = bits_leaf<Pos>;
  635|  4.20k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 4.20k, False: 0]
  ------------------
  636|  4.20k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 4.20k, False: 0]
  ------------------
  637|  4.20k|    auto is_leaf = p.shift() == BL;
  638|  4.20k|    auto child   = p.node()->inner()[offset_hint];
  639|  4.20k|    auto is_full = offset_hint + 1 != count_hint;
  640|  4.20k|    return is_full
  ------------------
  |  Branch (640:12): [True: 1.83k, False: 2.37k]
  ------------------
  641|  4.20k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 905, False: 930]
  ------------------
  642|  1.83k|                          : make_full_pos(child, p.shift() - B)
  643|    930|                                .visit(v, idx, args...))
  644|  4.20k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.74k, False: 633]
  ------------------
  645|  2.37k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  2.37k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|    633|                            .visit(v, idx, args...));
  648|  4.20k|}
_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|  2.59k|    {
  113|  2.59k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  2.59k|    }
_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|  3.29k|    {
  337|  3.29k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.29k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
  285|  2.58k|    {
  286|  2.58k|        return each_right_regular(*this, v, start, args...);
  287|  2.58k|    }
_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|  2.58k|{
  598|  2.58k|    constexpr auto B  = bits<Pos>;
  599|  2.58k|    constexpr auto BL = bits_leaf<Pos>;
  600|       |
  601|  2.58k|    if (p.shift() == BL) {
  ------------------
  |  Branch (601:9): [True: 1.36k, False: 1.21k]
  ------------------
  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: 942, False: 420]
  ------------------
  606|  3.63k|            for (; n != e; ++n) {
  ------------------
  |  Branch (606:20): [True: 2.69k, False: 942]
  ------------------
  607|  2.69k|                IMMER_PREFETCH(n + 1);
  608|  2.69k|                make_full_leaf_pos(*n).visit(v, args...);
  609|  2.69k|            }
  610|    942|            make_leaf_pos(*n, p.size()).visit(v, args...);
  611|    942|        }
  612|  1.36k|    } else {
  613|  1.21k|        auto n    = p.node()->inner() + start;
  614|  1.21k|        auto last = p.count() - 1;
  615|  1.21k|        auto e    = p.node()->inner() + last;
  616|  1.21k|        auto ss   = p.shift() - B;
  617|  1.21k|        if (n <= e) {
  ------------------
  |  Branch (617:13): [True: 733, False: 486]
  ------------------
  618|  1.90k|            for (; n != e; ++n)
  ------------------
  |  Branch (618:20): [True: 1.17k, False: 733]
  ------------------
  619|  1.17k|                make_full_pos(*n, ss).visit(v, args...);
  620|    733|            make_regular_pos(*n, ss, p.size()).visit(v, args...);
  621|    733|        }
  622|  1.21k|    }
  623|  2.58k|}
_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|  6.91k|    {
  928|  6.91k|        return towards_oh_ch_regular(
  929|  6.91k|            *this, v, idx, offset_hint, count(), args...);
  930|  6.91k|    }
_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|  6.91k|{
  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: 2.78k, False: 4.13k]
  ------------------
  641|  6.91k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 981, False: 1.80k]
  ------------------
  642|  2.78k|                          : make_full_pos(child, p.shift() - B)
  643|  1.80k|                                .visit(v, idx, args...))
  644|  6.91k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 1.12k, False: 3.01k]
  ------------------
  645|  4.13k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  4.13k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  3.01k|                            .visit(v, idx, args...));
  648|  6.91k|}
_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|  7.08k|    {
  928|  7.08k|        return towards_oh_ch_regular(
  929|  7.08k|            *this, v, idx, offset_hint, count(), args...);
  930|  7.08k|    }
_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|  7.08k|{
  633|  7.08k|    constexpr auto B  = bits<Pos>;
  634|  7.08k|    constexpr auto BL = bits_leaf<Pos>;
  635|  7.08k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 7.08k, False: 0]
  ------------------
  636|  7.08k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 7.08k, False: 0]
  ------------------
  637|  7.08k|    auto is_leaf = p.shift() == BL;
  638|  7.08k|    auto child   = p.node()->inner()[offset_hint];
  639|  7.08k|    auto is_full = offset_hint + 1 != count_hint;
  640|  7.08k|    return is_full
  ------------------
  |  Branch (640:12): [True: 3.57k, False: 3.51k]
  ------------------
  641|  7.08k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.48k, False: 2.08k]
  ------------------
  642|  3.57k|                          : make_full_pos(child, p.shift() - B)
  643|  2.08k|                                .visit(v, idx, args...))
  644|  7.08k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 852, False: 2.65k]
  ------------------
  645|  3.51k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  3.51k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  2.65k|                            .visit(v, idx, args...));
  648|  7.08k|}
_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: 4.10k, False: 8.06k]
  ------------------
  602|  4.10k|        auto n    = p.node()->inner() + start;
  603|  4.10k|        auto last = p.count() - 1;
  604|  4.10k|        auto e    = p.node()->inner() + last;
  605|  4.10k|        if (n <= e) {
  ------------------
  |  Branch (605:13): [True: 2.21k, False: 1.88k]
  ------------------
  606|  4.19k|            for (; n != e; ++n) {
  ------------------
  |  Branch (606:20): [True: 1.98k, False: 2.21k]
  ------------------
  607|  1.98k|                IMMER_PREFETCH(n + 1);
  608|  1.98k|                make_full_leaf_pos(*n).visit(v, args...);
  609|  1.98k|            }
  610|  2.21k|            make_leaf_pos(*n, p.size()).visit(v, args...);
  611|  2.21k|        }
  612|  8.06k|    } else {
  613|  8.06k|        auto n    = p.node()->inner() + start;
  614|  8.06k|        auto last = p.count() - 1;
  615|  8.06k|        auto e    = p.node()->inner() + last;
  616|  8.06k|        auto ss   = p.shift() - B;
  617|  8.06k|        if (n <= e) {
  ------------------
  |  Branch (617:13): [True: 5.04k, False: 3.01k]
  ------------------
  618|  6.07k|            for (; n != e; ++n)
  ------------------
  |  Branch (618:20): [True: 1.02k, False: 5.04k]
  ------------------
  619|  1.02k|                make_full_pos(*n, ss).visit(v, args...);
  620|  5.04k|            make_regular_pos(*n, ss, p.size()).visit(v, args...);
  621|  5.04k|        }
  622|  8.06k|    }
  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|  27.3k|    {
 1814|  27.3k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  27.3k|    }
_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|  9.98k|    {
 1687|  9.98k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 9.98k, False: 0]
  ------------------
 1688|  9.98k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 9.60k, False: 377]
  ------------------
 1689|  9.98k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  9.98k|    }
_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|  9.98k|    {
 1699|  9.98k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  9.98k|    }
_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|  9.98k|    {
 1718|  9.98k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 9.98k, False: 0]
  ------------------
 1719|  9.98k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 9.60k, False: 377]
  |  Branch (1719:9): [True: 9.98k, False: 0]
  ------------------
 1720|  9.98k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  9.98k|        auto child     = node_->inner()[offset_hint];
 1722|  9.98k|        auto is_leaf   = shift_ == BL;
 1723|  9.98k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  9.98k|        auto next_idx  = idx - left_size_hint;
 1725|  9.98k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 1.98k, False: 7.99k]
  ------------------
 1726|  9.98k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  1.98k|                         .visit(v, next_idx, args...)
 1728|  9.98k|                   : visit_maybe_relaxed_sub(
 1729|  7.99k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  9.98k|    }
_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|  1.98k|    {
  145|  1.98k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  1.98k|    }
_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|  7.99k|{
 1839|  7.99k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 7.99k, False: 0]
  ------------------
 1840|  7.99k|    auto relaxed = node->relaxed();
 1841|  7.99k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.06k, False: 4.93k]
  ------------------
 1842|  3.06k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.06k, False: 0]
  ------------------
 1843|  3.06k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.06k|            .visit(v, std::forward<Args>(args)...);
 1845|  4.93k|    } else {
 1846|  4.93k|        return make_regular_sub_pos(node, shift, size)
 1847|  4.93k|            .visit(v, std::forward<Args>(args)...);
 1848|  4.93k|    }
 1849|  7.99k|}
_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|  3.06k|    {
 1814|  3.06k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.06k|    }
_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|  4.93k|    {
 1037|  4.93k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.93k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_17dec_right_visitorEJjEEEDcT_DpOT0_:
 1036|  10.5k|    {
 1037|  10.5k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  10.5k|    }
_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|  10.8k|    {
 1687|  10.8k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 10.8k, False: 0]
  ------------------
 1688|  10.8k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 8.98k, False: 1.87k]
  ------------------
 1689|  10.8k|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  10.8k|    }
_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|  10.8k|    {
 1699|  10.8k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  10.8k|    }
_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|  10.8k|    {
 1718|  10.8k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 10.8k, False: 0]
  ------------------
 1719|  10.8k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 8.98k, False: 1.87k]
  |  Branch (1719:9): [True: 10.8k, False: 0]
  ------------------
 1720|  10.8k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  10.8k|        auto child     = node_->inner()[offset_hint];
 1722|  10.8k|        auto is_leaf   = shift_ == BL;
 1723|  10.8k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  10.8k|        auto next_idx  = idx - left_size_hint;
 1725|  10.8k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 4.31k, False: 6.54k]
  ------------------
 1726|  10.8k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  4.31k|                         .visit(v, next_idx, args...)
 1728|  10.8k|                   : visit_maybe_relaxed_sub(
 1729|  6.54k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  10.8k|    }
_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|  4.31k|    {
  145|  4.31k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.31k|    }
_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|  6.54k|{
 1839|  6.54k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 6.54k, False: 0]
  ------------------
 1840|  6.54k|    auto relaxed = node->relaxed();
 1841|  6.54k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 3.38k, False: 3.16k]
  ------------------
 1842|  3.38k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 3.38k, False: 0]
  ------------------
 1843|  3.38k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  3.38k|            .visit(v, std::forward<Args>(args)...);
 1845|  3.38k|    } else {
 1846|  3.16k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.16k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.16k|    }
 1849|  6.54k|}
_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|  3.38k|    {
 1814|  3.38k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  3.38k|    }
_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|  3.16k|    {
 1037|  3.16k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.16k|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10each_rightINS1_11dec_visitorEJEEEvT_jDpOT0_:
 1653|  31.0k|    {
 1654|  31.0k|        assert(start > 0);
  ------------------
  |  Branch (1654:9): [True: 31.0k, False: 0]
  ------------------
 1655|  31.0k|        assert(start <= relaxed_->d.count);
  ------------------
  |  Branch (1655:9): [True: 31.0k, False: 0]
  ------------------
 1656|  31.0k|        auto s = relaxed_->d.sizes[start - 1];
 1657|  31.0k|        auto p = node_->inner();
 1658|  31.0k|        if (shift_ == BL) {
  ------------------
  |  Branch (1658:13): [True: 2.96k, False: 28.1k]
  ------------------
 1659|  10.0k|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1659:34): [True: 7.10k, False: 2.96k]
  ------------------
 1660|  7.10k|                IMMER_PREFETCH(p + i + 1);
 1661|  7.10k|                make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
 1662|  7.10k|                    .visit(v, args...);
 1663|  7.10k|                s = relaxed_->d.sizes[i];
 1664|  7.10k|                assert(s);
  ------------------
  |  Branch (1664:17): [True: 7.10k, False: 0]
  ------------------
 1665|  7.10k|            }
 1666|  28.1k|        } else {
 1667|  28.1k|            auto ss = shift_ - B;
 1668|   162k|            for (auto i = start; i < relaxed_->d.count; ++i) {
  ------------------
  |  Branch (1668:34): [True: 134k, False: 28.1k]
  ------------------
 1669|   134k|                visit_maybe_relaxed_sub(
 1670|   134k|                    p[i], ss, relaxed_->d.sizes[i] - s, v, args...);
 1671|   134k|                s = relaxed_->d.sizes[i];
 1672|       |                assert(s);
  ------------------
  |  Branch (1672:17): [True: 134k, False: 0]
  ------------------
 1673|   134k|            }
 1674|  28.1k|        }
 1675|  31.0k|    }
_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|  12.4k|    {
 1037|  12.4k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  12.4k|    }
_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|  5.24k|    {
  928|  5.24k|        return towards_oh_ch_regular(
  929|  5.24k|            *this, v, idx, offset_hint, count(), args...);
  930|  5.24k|    }
_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|  5.24k|{
  633|  5.24k|    constexpr auto B  = bits<Pos>;
  634|  5.24k|    constexpr auto BL = bits_leaf<Pos>;
  635|  5.24k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 5.24k, False: 0]
  ------------------
  636|  5.24k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 5.24k, False: 0]
  ------------------
  637|  5.24k|    auto is_leaf = p.shift() == BL;
  638|  5.24k|    auto child   = p.node()->inner()[offset_hint];
  639|  5.24k|    auto is_full = offset_hint + 1 != count_hint;
  640|  5.24k|    return is_full
  ------------------
  |  Branch (640:12): [True: 4.47k, False: 765]
  ------------------
  641|  5.24k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 1.23k, False: 3.24k]
  ------------------
  642|  4.47k|                          : make_full_pos(child, p.shift() - B)
  643|  3.24k|                                .visit(v, idx, args...))
  644|  5.24k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 765, False: 0]
  ------------------
  645|    765|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|    765|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|      0|                            .visit(v, idx, args...));
  648|  5.24k|}
_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|  1.90k|    {
  208|  1.90k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  1.90k|    }
_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|  3.74k|    {
 1406|  3.74k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.74k|    }
_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: 679, False: 493]
  ------------------
 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|    765|    {
  113|    765|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|    765|    }
_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|    855|    {
  145|    855|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|    855|    }
_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|  52.0k|{
 1839|  52.0k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 52.0k, False: 0]
  ------------------
 1840|  52.0k|    auto relaxed = node->relaxed();
 1841|  52.0k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 49.7k, False: 2.37k]
  ------------------
 1842|  49.7k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 49.7k, False: 0]
  ------------------
 1843|  49.7k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  49.7k|            .visit(v, std::forward<Args>(args)...);
 1845|  49.7k|    } else {
 1846|  2.37k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.37k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.37k|    }
 1849|  52.0k|}
_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|  49.7k|    {
 1814|  49.7k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  49.7k|    }
_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|  1.83k|    {
 1706|  1.83k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 1.83k, False: 0]
  ------------------
 1707|  1.83k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 1.39k, False: 435]
  ------------------
 1708|  1.83k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  1.83k|    }
_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|  1.83k|    {
 1718|  1.83k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 1.83k, False: 0]
  ------------------
 1719|  1.83k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 1.39k, False: 435]
  |  Branch (1719:9): [True: 1.83k, False: 0]
  ------------------
 1720|  1.83k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  1.83k|        auto child     = node_->inner()[offset_hint];
 1722|  1.83k|        auto is_leaf   = shift_ == BL;
 1723|  1.83k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  1.83k|        auto next_idx  = idx - left_size_hint;
 1725|  1.83k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 1.83k]
  ------------------
 1726|  1.83k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  1.83k|                   : visit_maybe_relaxed_sub(
 1729|  1.83k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  1.83k|    }
_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|  3.79k|    {
 1706|  3.79k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 3.79k, False: 0]
  ------------------
 1707|  3.79k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 3.28k, False: 515]
  ------------------
 1708|  3.79k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  3.79k|    }
_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|  3.79k|    {
 1718|  3.79k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 3.79k, False: 0]
  ------------------
 1719|  3.79k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 3.28k, False: 515]
  |  Branch (1719:9): [True: 3.79k, False: 0]
  ------------------
 1720|  3.79k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  3.79k|        auto child     = node_->inner()[offset_hint];
 1722|  3.79k|        auto is_leaf   = shift_ == BL;
 1723|  3.79k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  3.79k|        auto next_idx  = idx - left_size_hint;
 1725|  3.79k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 0, False: 3.79k]
  ------------------
 1726|  3.79k|                   ? make_leaf_sub_pos(child, next_size)
 1727|      0|                         .visit(v, next_idx, args...)
 1728|  3.79k|                   : visit_maybe_relaxed_sub(
 1729|  3.79k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  3.79k|    }
_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|  3.79k|{
 1839|  3.79k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 3.79k, False: 0]
  ------------------
 1840|  3.79k|    auto relaxed = node->relaxed();
 1841|  3.79k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.36k, False: 1.43k]
  ------------------
 1842|  2.36k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.36k, False: 0]
  ------------------
 1843|  2.36k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.36k|            .visit(v, std::forward<Args>(args)...);
 1845|  2.36k|    } else {
 1846|  1.43k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.43k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.43k|    }
 1849|  3.79k|}
_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|  2.36k|    {
 1814|  2.36k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.36k|    }
_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|  1.43k|    {
 1037|  1.43k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.43k|    }
_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|  1.52k|    {
  947|  1.52k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  1.52k|    }
_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|  1.52k|{
  654|  1.52k|    constexpr auto B  = bits<Pos>;
  655|  1.52k|    constexpr auto BL = bits_leaf<Pos>;
  656|  1.52k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 1.52k, False: 0]
  ------------------
  657|  1.52k|    auto is_leaf = p.shift() == BL;
  658|  1.52k|    auto child   = p.node()->inner()[offset_hint];
  659|  1.52k|    auto lsize   = offset_hint << p.shift();
  660|  1.52k|    auto size    = p.this_size();
  661|  1.52k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  1.52k|    return is_full
  ------------------
  |  Branch (662:12): [True: 641, False: 885]
  ------------------
  663|  1.52k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 0, False: 641]
  ------------------
  664|    641|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|    641|                      : make_full_pos(child, p.shift() - B)
  666|    641|                            .visit(v, idx - lsize, args...))
  667|  1.52k|               : (is_leaf
  ------------------
  |  Branch (667:19): [True: 0, False: 885]
  ------------------
  668|    885|                      ? make_leaf_sub_pos(child, size - lsize)
  669|      0|                            .visit(v, idx - lsize, args...)
  670|    885|                      : make_regular_sub_pos(child, p.shift() - B, size - lsize)
  671|    885|                            .visit(v, idx - lsize, args...));
  672|  1.52k|}
_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|    641|    {
 1406|    641|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|    641|    }
_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|  2.45k|    {
 1349|  2.45k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1349:9): [True: 2.45k, False: 0]
  ------------------
 1350|  2.45k|        auto is_leaf = shift_ == BL;
 1351|  2.45k|        auto child   = node_->inner()[offset_hint];
 1352|  2.45k|        auto lsize   = size_t{offset_hint} << shift_;
 1353|  2.45k|        return is_leaf
  ------------------
  |  Branch (1353:16): [True: 1.85k, False: 598]
  ------------------
 1354|  2.45k|                   ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
 1355|  2.45k|                   : make_full_pos(child, shift_ - B)
 1356|    598|                         .visit(v, idx - lsize, args...);
 1357|  2.45k|    }
_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|  8.10k|    {
  208|  8.10k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  8.10k|    }
_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|  1.80k|    {
 1406|  1.80k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.80k|    }
_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|    885|    {
 1037|    885|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    885|    }
_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|  7.46k|    {
  947|  7.46k|        return towards_sub_oh_regular(*this, v, idx, offset_hint, args...);
  948|  7.46k|    }
_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|  7.46k|{
  654|  7.46k|    constexpr auto B  = bits<Pos>;
  655|  7.46k|    constexpr auto BL = bits_leaf<Pos>;
  656|  7.46k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (656:5): [True: 7.46k, False: 0]
  ------------------
  657|  7.46k|    auto is_leaf = p.shift() == BL;
  658|  7.46k|    auto child   = p.node()->inner()[offset_hint];
  659|  7.46k|    auto lsize   = offset_hint << p.shift();
  660|  7.46k|    auto size    = p.this_size();
  661|  7.46k|    auto is_full = (size - lsize) >= (size_t{1} << p.shift());
  662|  7.46k|    return is_full
  ------------------
  |  Branch (662:12): [True: 7.46k, False: 0]
  ------------------
  663|  7.46k|               ? (is_leaf
  ------------------
  |  Branch (663:19): [True: 6.25k, False: 1.21k]
  ------------------
  664|  7.46k|                      ? make_full_leaf_pos(child).visit(v, idx - lsize, args...)
  665|  7.46k|                      : make_full_pos(child, p.shift() - B)
  666|  1.21k|                            .visit(v, idx - lsize, args...))
  667|  7.46k|               : (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|  7.46k|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_16dec_left_visitorEJRjEEEDcT_DpOT0_:
 1813|  1.83k|    {
 1814|  1.83k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.83k|    }
_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|   162k|    {
 1706|   162k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 162k, False: 0]
  ------------------
 1707|   162k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 37.8k, False: 124k]
  ------------------
 1708|   162k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|   162k|    }
_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|   162k|    {
 1718|   162k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 162k, False: 0]
  ------------------
 1719|   162k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 37.8k, False: 124k]
  |  Branch (1719:9): [True: 162k, False: 0]
  ------------------
 1720|   162k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|   162k|        auto child     = node_->inner()[offset_hint];
 1722|   162k|        auto is_leaf   = shift_ == BL;
 1723|   162k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|   162k|        auto next_idx  = idx - left_size_hint;
 1725|   162k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 4.34k, False: 158k]
  ------------------
 1726|   162k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  4.34k|                         .visit(v, next_idx, args...)
 1728|   162k|                   : visit_maybe_relaxed_sub(
 1729|   158k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|   162k|    }
_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|  4.34k|    {
  145|  4.34k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  4.34k|    }
_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|   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: 156k, False: 1.95k]
  ------------------
 1842|   156k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 156k, False: 0]
  ------------------
 1843|   156k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   156k|            .visit(v, std::forward<Args>(args)...);
 1845|   156k|    } else {
 1846|  1.95k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.95k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.95k|    }
 1849|   158k|}
_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|   156k|    {
 1814|   156k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   156k|    }
_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|  1.95k|    {
 1037|  1.95k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.95k|    }
_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|  83.7k|    {
 1706|  83.7k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1706:9): [True: 83.7k, False: 0]
  ------------------
 1707|  83.7k|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1707:26): [True: 50.1k, False: 33.5k]
  ------------------
 1708|  83.7k|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size, args...);
 1709|  83.7k|    }
_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|  83.7k|    {
 1718|  83.7k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 83.7k, False: 0]
  ------------------
 1719|  83.7k|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 50.1k, False: 33.5k]
  |  Branch (1719:9): [True: 83.7k, False: 0]
  ------------------
 1720|  83.7k|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  83.7k|        auto child     = node_->inner()[offset_hint];
 1722|  83.7k|        auto is_leaf   = shift_ == BL;
 1723|  83.7k|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  83.7k|        auto next_idx  = idx - left_size_hint;
 1725|  83.7k|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 37.7k, False: 45.9k]
  ------------------
 1726|  83.7k|                   ? make_leaf_sub_pos(child, next_size)
 1727|  37.7k|                         .visit(v, next_idx, args...)
 1728|  83.7k|                   : visit_maybe_relaxed_sub(
 1729|  45.9k|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  83.7k|    }
_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|  37.7k|    {
  145|  37.7k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  37.7k|    }
_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|  45.9k|{
 1839|  45.9k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 45.9k, False: 0]
  ------------------
 1840|  45.9k|    auto relaxed = node->relaxed();
 1841|  45.9k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 43.5k, False: 2.35k]
  ------------------
 1842|  43.5k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 43.5k, False: 0]
  ------------------
 1843|  43.5k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  43.5k|            .visit(v, std::forward<Args>(args)...);
 1845|  43.5k|    } else {
 1846|  2.35k|        return make_regular_sub_pos(node, shift, size)
 1847|  2.35k|            .visit(v, std::forward<Args>(args)...);
 1848|  2.35k|    }
 1849|  45.9k|}
_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|  43.5k|    {
 1814|  43.5k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  43.5k|    }
_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|  2.35k|    {
 1037|  2.35k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  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_Lb1ELb1EEEJRmRNSA_5applyIS7_E4type4editEEEEDcT_DpOT0_:
 1036|  2.37k|    {
 1037|  2.37k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  2.37k|    }
_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|  23.4k|{
 1839|  23.4k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 23.4k, False: 0]
  ------------------
 1840|  23.4k|    auto relaxed = node->relaxed();
 1841|  23.4k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 15.1k, False: 8.31k]
  ------------------
 1842|  15.1k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 15.1k, False: 0]
  ------------------
 1843|  15.1k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  15.1k|            .visit(v, std::forward<Args>(args)...);
 1845|  15.1k|    } else {
 1846|  8.31k|        return make_regular_sub_pos(node, shift, size)
 1847|  8.31k|            .visit(v, std::forward<Args>(args)...);
 1848|  8.31k|    }
 1849|  23.4k|}
_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|  15.1k|    {
 1814|  15.1k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  15.1k|    }
_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|  15.1k|{
 1839|  15.1k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 15.1k, False: 0]
  ------------------
 1840|  15.1k|    auto relaxed = node->relaxed();
 1841|  15.1k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 12.0k, False: 3.16k]
  ------------------
 1842|  12.0k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 12.0k, False: 0]
  ------------------
 1843|  12.0k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  12.0k|            .visit(v, std::forward<Args>(args)...);
 1845|  12.0k|    } else {
 1846|  3.16k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.16k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.16k|    }
 1849|  15.1k|}
_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|  12.0k|    {
 1814|  12.0k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  12.0k|    }
_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|  60.0k|    {
 1794|  60.0k|        auto child      = node_->inner()[offset];
 1795|  60.0k|        auto child_size = size(offset);
 1796|  60.0k|        auto is_leaf    = shift_ == BL;
 1797|  60.0k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 24.8k, False: 35.2k]
  ------------------
 1798|  60.0k|                       : visit_maybe_relaxed_sub(
 1799|  35.2k|                             child, shift_ - B, child_size, v, args...);
 1800|  60.0k|    }
_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|  25.4k|    {
  145|  25.4k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  25.4k|    }
_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|  25.4k|    {
 1805|  25.4k|        assert(shift_ == BL);
  ------------------
  |  Branch (1805:9): [True: 25.4k, False: 0]
  ------------------
 1806|  25.4k|        auto child      = node_->inner()[offset];
 1807|  25.4k|        auto child_size = size(offset);
 1808|  25.4k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1809|  25.4k|    }
_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|  26.0k|    {
  145|  26.0k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  26.0k|    }
_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|  35.2k|{
 1839|  35.2k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 35.2k, False: 0]
  ------------------
 1840|  35.2k|    auto relaxed = node->relaxed();
 1841|  35.2k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 30.8k, False: 4.37k]
  ------------------
 1842|  30.8k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 30.8k, False: 0]
  ------------------
 1843|  30.8k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  30.8k|            .visit(v, std::forward<Args>(args)...);
 1845|  30.8k|    } else {
 1846|  4.37k|        return make_regular_sub_pos(node, shift, size)
 1847|  4.37k|            .visit(v, std::forward<Args>(args)...);
 1848|  4.37k|    }
 1849|  35.2k|}
_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|  30.8k|    {
 1814|  30.8k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  30.8k|    }
_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|  30.8k|    {
 1794|  30.8k|        auto child      = node_->inner()[offset];
 1795|  30.8k|        auto child_size = size(offset);
 1796|  30.8k|        auto is_leaf    = shift_ == BL;
 1797|  30.8k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 30.8k]
  ------------------
 1798|  30.8k|                       : visit_maybe_relaxed_sub(
 1799|  30.8k|                             child, shift_ - B, child_size, v, args...);
 1800|  30.8k|    }
_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|  30.8k|{
 1839|  30.8k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 30.8k, False: 0]
  ------------------
 1840|  30.8k|    auto relaxed = node->relaxed();
 1841|  30.8k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 29.9k, False: 955]
  ------------------
 1842|  29.9k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 29.9k, False: 0]
  ------------------
 1843|  29.9k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  29.9k|            .visit(v, std::forward<Args>(args)...);
 1845|  29.9k|    } else {
 1846|    955|        return make_regular_sub_pos(node, shift, size)
 1847|    955|            .visit(v, std::forward<Args>(args)...);
 1848|    955|    }
 1849|  30.8k|}
_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|  29.9k|    {
 1814|  29.9k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  29.9k|    }
_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|  1.27k|    {
 1037|  1.27k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.27k|    }
_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|  8.63k|    {
 1794|  8.63k|        auto child      = node_->inner()[offset];
 1795|  8.63k|        auto child_size = size(offset);
 1796|  8.63k|        auto is_leaf    = shift_ == BL;
 1797|  8.63k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 5.69k, False: 2.94k]
  ------------------
 1798|  8.63k|                       : visit_maybe_relaxed_sub(
 1799|  2.94k|                             child, shift_ - B, child_size, v, args...);
 1800|  8.63k|    }
_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|  5.69k|    {
  145|  5.69k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  5.69k|    }
_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|  5.69k|    {
 1026|  5.69k|        assert(shift_ == BL);
  ------------------
  |  Branch (1026:9): [True: 5.69k, False: 0]
  ------------------
 1027|  5.69k|        auto child   = node_->inner()[idx];
 1028|  5.69k|        auto lsize   = size(idx);
 1029|  5.69k|        auto is_full = idx + 1 < count();
 1030|  5.69k|        return is_full ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1030:16): [True: 5.02k, False: 667]
  ------------------
 1031|  5.69k|                       : make_leaf_sub_pos(child, lsize).visit(v, args...);
 1032|  5.69k|    }
_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|  12.0k|    {
  208|  12.0k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  12.0k|    }
_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|  2.94k|{
 1839|  2.94k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 2.94k, False: 0]
  ------------------
 1840|  2.94k|    auto relaxed = node->relaxed();
 1841|  2.94k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.11k, False: 826]
  ------------------
 1842|  2.11k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.11k, False: 0]
  ------------------
 1843|  2.11k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.11k|            .visit(v, std::forward<Args>(args)...);
 1845|  2.11k|    } else {
 1846|    826|        return make_regular_sub_pos(node, shift, size)
 1847|    826|            .visit(v, std::forward<Args>(args)...);
 1848|    826|    }
 1849|  2.94k|}
_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|  2.11k|    {
 1814|  2.11k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.11k|    }
_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|  2.11k|    {
 1008|  2.11k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 2.11k, False: 0]
  ------------------
 1009|  2.11k|        auto is_leaf = shift_ == BL;
 1010|  2.11k|        auto child   = node_->inner()[idx];
 1011|  2.11k|        auto lsize   = size(idx);
 1012|  2.11k|        auto is_full = idx + 1 < count();
 1013|  2.11k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 1.79k, False: 324]
  ------------------
 1014|  2.11k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 0, False: 1.79k]
  ------------------
 1015|  1.79k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  1.79k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  2.11k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 0, False: 324]
  ------------------
 1018|    324|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|    324|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|    324|                                .visit(v, args...));
 1021|  2.11k|    }
_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|  2.27k|    {
 1406|  2.27k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  2.27k|    }
_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|  8.33k|    {
 1794|  8.33k|        auto child      = node_->inner()[offset];
 1795|  8.33k|        auto child_size = size(offset);
 1796|  8.33k|        auto is_leaf    = shift_ == BL;
 1797|  8.33k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 7.00k, False: 1.33k]
  ------------------
 1798|  8.33k|                       : visit_maybe_relaxed_sub(
 1799|  1.33k|                             child, shift_ - B, child_size, v, args...);
 1800|  8.33k|    }
_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|  7.00k|    {
  145|  7.00k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  7.00k|    }
_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|  7.00k|    {
 1397|  7.00k|        assert(shift_ == BL);
  ------------------
  |  Branch (1397:9): [True: 7.00k, False: 0]
  ------------------
 1398|  7.00k|        assert(idx < count());
  ------------------
  |  Branch (1398:9): [True: 7.00k, False: 0]
  ------------------
 1399|  7.00k|        auto child = node_->inner()[idx];
 1400|  7.00k|        return make_full_leaf_pos(child).visit(v, args...);
 1401|  7.00k|    }
_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|  1.33k|{
 1839|  1.33k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.33k, False: 0]
  ------------------
 1840|  1.33k|    auto relaxed = node->relaxed();
 1841|  1.33k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 475, False: 857]
  ------------------
 1842|    475|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 475, False: 0]
  ------------------
 1843|    475|        return make_relaxed_pos(node, shift, relaxed)
 1844|    475|            .visit(v, std::forward<Args>(args)...);
 1845|    857|    } else {
 1846|    857|        return make_regular_sub_pos(node, shift, size)
 1847|    857|            .visit(v, std::forward<Args>(args)...);
 1848|    857|    }
 1849|  1.33k|}
_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|    475|    {
 1814|    475|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|    475|    }
_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|    475|    {
 1387|    475|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 475, False: 0]
  ------------------
 1388|    475|        auto is_leaf = shift_ == BL;
 1389|    475|        auto child   = node_->inner()[idx];
 1390|    475|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 0, False: 475]
  ------------------
 1391|    475|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|    475|    }
_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|    857|    {
 1037|    857|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    857|    }
_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|    857|    {
 1387|    857|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 857, False: 0]
  ------------------
 1388|    857|        auto is_leaf = shift_ == BL;
 1389|    857|        auto child   = node_->inner()[idx];
 1390|    857|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 0, False: 857]
  ------------------
 1391|    857|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|    857|    }
_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|  1.68k|    {
 1406|  1.68k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  1.68k|    }
_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|  3.43k|    {
 1223|  3.43k|        auto p  = node_->inner();
 1224|  3.43k|        auto p2 = other->inner();
 1225|  3.43k|        auto e  = p + branches<B>;
 1226|  3.43k|        if (shift_ == BL) {
  ------------------
  |  Branch (1226:13): [True: 2.57k, False: 865]
  ------------------
 1227|  16.8k|            for (; p != e; ++p, ++p2) {
  ------------------
  |  Branch (1227:20): [True: 15.4k, False: 1.38k]
  ------------------
 1228|  15.4k|                IMMER_PREFETCH(p + 1);
 1229|  15.4k|                if (!make_full_leaf_pos(*p).visit(v, *p2, args...))
  ------------------
  |  Branch (1229:21): [True: 1.19k, False: 14.3k]
  ------------------
 1230|  1.19k|                    return false;
 1231|  15.4k|            }
 1232|  2.57k|        } else {
 1233|    865|            auto ss = shift_ - B;
 1234|  5.98k|            for (; p != e; ++p, ++p2)
  ------------------
  |  Branch (1234:20): [True: 5.38k, False: 607]
  ------------------
 1235|  5.38k|                if (!make_full_pos(*p, ss).visit(v, *p2, args...))
  ------------------
  |  Branch (1235:21): [True: 258, False: 5.12k]
  ------------------
 1236|    258|                    return false;
 1237|    865|        }
 1238|  1.98k|        return true;
 1239|  3.43k|    }
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  207|  22.9k|    {
  208|  22.9k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  22.9k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
 1405|  10.8k|    {
 1406|  10.8k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  10.8k|    }
_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|  5.20k|    {
  838|  5.20k|        return each_pred_zip_regular(*this, v, other, args...);
  839|  5.20k|    }
_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|  5.20k|{
  393|  5.20k|    constexpr auto B  = bits<Pos>;
  394|  5.20k|    constexpr auto BL = bits_leaf<Pos>;
  395|       |
  396|  5.20k|    auto n    = p.node()->inner();
  397|  5.20k|    auto n2   = other->inner();
  398|  5.20k|    auto last = p.count() - 1;
  399|  5.20k|    auto e    = n + last;
  400|  5.20k|    if (p.shift() == BL) {
  ------------------
  |  Branch (400:9): [True: 2.11k, False: 3.09k]
  ------------------
  401|  6.70k|        for (; n != e; ++n, ++n2) {
  ------------------
  |  Branch (401:16): [True: 5.49k, False: 1.20k]
  ------------------
  402|  5.49k|            IMMER_PREFETCH(n + 1);
  403|  5.49k|            IMMER_PREFETCH(n2 + 1);
  404|  5.49k|            if (!make_full_leaf_pos(*n).visit(v, *n2, args...))
  ------------------
  |  Branch (404:17): [True: 904, False: 4.59k]
  ------------------
  405|    904|                return false;
  406|  5.49k|        }
  407|  1.20k|        return make_leaf_pos(*n, p.size()).visit(v, *n2, args...);
  408|  3.09k|    } else {
  409|  3.09k|        auto ss = p.shift() - B;
  410|  6.85k|        for (; n != e; ++n, ++n2)
  ------------------
  |  Branch (410:16): [True: 4.34k, False: 2.51k]
  ------------------
  411|  4.34k|            if (!make_full_pos(*n, ss).visit(v, *n2, args...))
  ------------------
  |  Branch (411:17): [True: 579, False: 3.76k]
  ------------------
  412|    579|                return false;
  413|  2.51k|        return make_regular_pos(*n, ss, p.size()).visit(v, *n2, args...);
  414|  3.09k|    }
  415|  5.20k|}
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  112|  3.00k|    {
  113|  3.00k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  3.00k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRPSC_EEEDcT_DpOT0_:
  336|  3.21k|    {
  337|  3.21k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.21k|    }
_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|  2.93k|    {
  256|  2.93k|        return each_pred_zip_regular(*this, v, other, args...);
  257|  2.93k|    }
_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|  2.93k|{
  393|  2.93k|    constexpr auto B  = bits<Pos>;
  394|  2.93k|    constexpr auto BL = bits_leaf<Pos>;
  395|       |
  396|  2.93k|    auto n    = p.node()->inner();
  397|  2.93k|    auto n2   = other->inner();
  398|  2.93k|    auto last = p.count() - 1;
  399|  2.93k|    auto e    = n + last;
  400|  2.93k|    if (p.shift() == BL) {
  ------------------
  |  Branch (400:9): [True: 2.00k, False: 930]
  ------------------
  401|  3.79k|        for (; n != e; ++n, ++n2) {
  ------------------
  |  Branch (401:16): [True: 1.99k, False: 1.79k]
  ------------------
  402|  1.99k|            IMMER_PREFETCH(n + 1);
  403|  1.99k|            IMMER_PREFETCH(n2 + 1);
  404|  1.99k|            if (!make_full_leaf_pos(*n).visit(v, *n2, args...))
  ------------------
  |  Branch (404:17): [True: 208, False: 1.78k]
  ------------------
  405|    208|                return false;
  406|  1.99k|        }
  407|  1.79k|        return make_leaf_pos(*n, p.size()).visit(v, *n2, args...);
  408|  2.00k|    } else {
  409|    930|        auto ss = p.shift() - B;
  410|  1.82k|        for (; n != e; ++n, ++n2)
  ------------------
  |  Branch (410:16): [True: 1.11k, False: 704]
  ------------------
  411|  1.11k|            if (!make_full_pos(*n, ss).visit(v, *n2, args...))
  ------------------
  |  Branch (411:17): [True: 226, False: 890]
  ------------------
  412|    226|                return false;
  413|    704|        return make_regular_pos(*n, ss, p.size()).visit(v, *n2, args...);
  414|    930|    }
  415|  2.93k|}
_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|  6.06k|    {
 1387|  6.06k|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 6.06k, False: 0]
  ------------------
 1388|  6.06k|        auto is_leaf = shift_ == BL;
 1389|  6.06k|        auto child   = node_->inner()[idx];
 1390|  6.06k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 5.30k, False: 763]
  ------------------
 1391|  6.06k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|  6.06k|    }
_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|   202k|    {
  208|   202k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   202k|    }
_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|  4.50M|{
 1839|  4.50M|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 4.50M, False: 0]
  ------------------
 1840|  4.50M|    auto relaxed = node->relaxed();
 1841|  4.50M|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 4.26M, False: 235k]
  ------------------
 1842|  4.26M|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 4.26M, False: 0]
  ------------------
 1843|  4.26M|        return make_relaxed_pos(node, shift, relaxed)
 1844|  4.26M|            .visit(v, std::forward<Args>(args)...);
 1845|  4.26M|    } else {
 1846|   235k|        return make_regular_sub_pos(node, shift, size)
 1847|   235k|            .visit(v, std::forward<Args>(args)...);
 1848|   235k|    }
 1849|  4.50M|}
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1813|  4.26M|    {
 1814|  4.26M|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  4.26M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
 1679|  4.26M|    {
 1680|  4.26M|        return towards_oh(v, idx, subindex(idx), args...);
 1681|  4.26M|    }
_ZN5immer6detail4rbts11relaxed_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_18region_for_visitorIiEEJEEEDcT_mjDpOT0_:
 1686|  4.26M|    {
 1687|  4.26M|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1687:9): [True: 4.26M, False: 0]
  ------------------
 1688|  4.26M|        auto left_size = offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0;
  ------------------
  |  Branch (1688:26): [True: 2.92M, False: 1.34M]
  ------------------
 1689|  4.26M|        return towards_oh_sbh(v, idx, offset_hint, left_size, args...);
 1690|  4.26M|    }
_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|  4.26M|    {
 1699|  4.26M|        return towards_sub_oh_sbh(v, idx, offset_hint, left_size_hint, args...);
 1700|  4.26M|    }
_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|  4.26M|    {
 1718|  4.26M|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1718:9): [True: 4.26M, False: 0]
  ------------------
 1719|  4.26M|        assert(left_size_hint ==
  ------------------
  |  Branch (1719:9): [True: 2.92M, False: 1.34M]
  |  Branch (1719:9): [True: 4.26M, False: 0]
  ------------------
 1720|  4.26M|               (offset_hint ? relaxed_->d.sizes[offset_hint - 1] : 0));
 1721|  4.26M|        auto child     = node_->inner()[offset_hint];
 1722|  4.26M|        auto is_leaf   = shift_ == BL;
 1723|  4.26M|        auto next_size = relaxed_->d.sizes[offset_hint] - left_size_hint;
 1724|  4.26M|        auto next_idx  = idx - left_size_hint;
 1725|  4.26M|        return is_leaf
  ------------------
  |  Branch (1725:16): [True: 944k, False: 3.32M]
  ------------------
 1726|  4.26M|                   ? make_leaf_sub_pos(child, next_size)
 1727|   944k|                         .visit(v, next_idx, args...)
 1728|  4.26M|                   : visit_maybe_relaxed_sub(
 1729|  3.32M|                         child, shift_ - B, next_size, v, next_idx, args...);
 1730|  4.26M|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  144|   944k|    {
  145|   944k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   944k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1036|   235k|    {
 1037|   235k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|   235k|    }
_ZN5immer6detail4rbts15regular_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
  919|   235k|    {
  920|   235k|        return towards_oh_ch_regular(
  921|   235k|            *this, v, idx, index(idx), count(), args...);
  922|   235k|    }
_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|   235k|{
  633|   235k|    constexpr auto B  = bits<Pos>;
  634|   235k|    constexpr auto BL = bits_leaf<Pos>;
  635|   235k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 235k, False: 0]
  ------------------
  636|   235k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 235k, False: 0]
  ------------------
  637|   235k|    auto is_leaf = p.shift() == BL;
  638|   235k|    auto child   = p.node()->inner()[offset_hint];
  639|   235k|    auto is_full = offset_hint + 1 != count_hint;
  640|   235k|    return is_full
  ------------------
  |  Branch (640:12): [True: 193k, False: 42.4k]
  ------------------
  641|   235k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 80.4k, False: 112k]
  ------------------
  642|   193k|                          : make_full_pos(child, p.shift() - B)
  643|   112k|                                .visit(v, idx, args...))
  644|   235k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 14.7k, False: 27.7k]
  ------------------
  645|  42.4k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  42.4k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  27.7k|                            .visit(v, idx, args...));
  648|   235k|}
_ZN5immer6detail4rbts13full_leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  207|   217k|    {
  208|   217k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|   217k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
 1405|   233k|    {
 1406|   233k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|   233k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
 1322|   233k|    {
 1323|   233k|        return towards_oh(v, idx, index(idx), args...);
 1324|   233k|    }
_ZN5immer6detail4rbts8full_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE10towards_ohINS1_18region_for_visitorIiEEJEEEDcT_mjDpOT0_:
 1336|   233k|    {
 1337|   233k|        assert(offset_hint == index(idx));
  ------------------
  |  Branch (1337:9): [True: 233k, False: 0]
  ------------------
 1338|   233k|        auto is_leaf = shift_ == BL;
 1339|   233k|        auto child   = node_->inner()[offset_hint];
 1340|   233k|        return is_leaf
  ------------------
  |  Branch (1340:16): [True: 130k, False: 103k]
  ------------------
 1341|   233k|                   ? make_full_leaf_pos(child).visit(v, idx, args...)
 1342|   233k|                   : make_full_pos(child, shift_ - B).visit(v, idx, args...);
 1343|   233k|    }
_ZN5immer6detail4rbts8leaf_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  112|  18.4k|    {
  113|  18.4k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  18.4k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_18region_for_visitorIiEEJRmEEEDcT_DpOT0_:
  336|  32.5k|    {
  337|  32.5k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  32.5k|    }
_ZN5immer6detail4rbts11regular_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE7towardsINS1_18region_for_visitorIiEEJEEEDcT_mDpOT0_:
  297|  32.5k|    {
  298|  32.5k|        return towards_oh_ch_regular(
  299|  32.5k|            *this, v, idx, index(idx), count(), args...);
  300|  32.5k|    }
_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|  32.5k|{
  633|  32.5k|    constexpr auto B  = bits<Pos>;
  634|  32.5k|    constexpr auto BL = bits_leaf<Pos>;
  635|  32.5k|    assert(offset_hint == p.index(idx));
  ------------------
  |  Branch (635:5): [True: 32.5k, False: 0]
  ------------------
  636|  32.5k|    assert(count_hint == p.count());
  ------------------
  |  Branch (636:5): [True: 32.5k, False: 0]
  ------------------
  637|  32.5k|    auto is_leaf = p.shift() == BL;
  638|  32.5k|    auto child   = p.node()->inner()[offset_hint];
  639|  32.5k|    auto is_full = offset_hint + 1 != count_hint;
  640|  32.5k|    return is_full
  ------------------
  |  Branch (640:12): [True: 24.0k, False: 8.58k]
  ------------------
  641|  32.5k|               ? (is_leaf ? make_full_leaf_pos(child).visit(v, idx, args...)
  ------------------
  |  Branch (641:19): [True: 6.10k, False: 17.8k]
  ------------------
  642|  24.0k|                          : make_full_pos(child, p.shift() - B)
  643|  17.8k|                                .visit(v, idx, args...))
  644|  32.5k|               : (is_leaf
  ------------------
  |  Branch (644:19): [True: 3.70k, False: 4.88k]
  ------------------
  645|  8.58k|                      ? make_leaf_pos(child, p.size()).visit(v, idx, args...)
  646|  8.58k|                      : make_regular_pos(child, p.shift() - B, p.size())
  647|  4.88k|                            .visit(v, idx, args...));
  648|  32.5k|}
_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|  16.5k|    {
 1406|  16.5k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  16.5k|    }
_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|  16.5k|    {
 1203|  16.5k|        auto p = node_->inner();
 1204|  16.5k|        auto e = p + branches<B>;
 1205|  16.5k|        if (shift_ == BL) {
  ------------------
  |  Branch (1205:13): [True: 15.2k, False: 1.29k]
  ------------------
 1206|   130k|            for (; p != e; ++p) {
  ------------------
  |  Branch (1206:20): [True: 116k, False: 14.0k]
  ------------------
 1207|   116k|                IMMER_PREFETCH(p + 1);
 1208|   116k|                if (!make_full_leaf_pos(*p).visit(v, args...))
  ------------------
  |  Branch (1208:21): [True: 1.21k, False: 115k]
  ------------------
 1209|  1.21k|                    return false;
 1210|   116k|            }
 1211|  15.2k|        } else {
 1212|  1.29k|            auto ss = shift_ - B;
 1213|  10.1k|            for (; p != e; ++p)
  ------------------
  |  Branch (1213:20): [True: 9.22k, False: 971]
  ------------------
 1214|  9.22k|                if (!make_full_pos(*p, ss).visit(v, args...))
  ------------------
  |  Branch (1214:21): [True: 325, False: 8.89k]
  ------------------
 1215|    325|                    return false;
 1216|  1.29k|        }
 1217|  15.0k|        return true;
 1218|  16.5k|    }
_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|    826|    {
 1037|    826|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|    826|    }
_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|    826|    {
 1008|    826|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 826, False: 0]
  ------------------
 1009|    826|        auto is_leaf = shift_ == BL;
 1010|    826|        auto child   = node_->inner()[idx];
 1011|    826|        auto lsize   = size(idx);
 1012|    826|        auto is_full = idx + 1 < count();
 1013|    826|        return is_full
  ------------------
  |  Branch (1013:16): [True: 826, False: 0]
  ------------------
 1014|    826|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 0, False: 826]
  ------------------
 1015|    826|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|    826|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|    826|                   : (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|    826|    }
_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|  3.22k|    {
 1037|  3.22k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.22k|    }
_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|  5.10k|    {
 1008|  5.10k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 5.10k, False: 0]
  ------------------
 1009|  5.10k|        auto is_leaf = shift_ == BL;
 1010|  5.10k|        auto child   = node_->inner()[idx];
 1011|  5.10k|        auto lsize   = size(idx);
 1012|  5.10k|        auto is_full = idx + 1 < count();
 1013|  5.10k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 3.16k, False: 1.94k]
  ------------------
 1014|  5.10k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 2.71k, False: 444]
  ------------------
 1015|  3.16k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  3.16k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  5.10k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 1.15k, False: 786]
  ------------------
 1018|  1.94k|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|  1.94k|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|    786|                                .visit(v, args...));
 1021|  5.10k|    }
_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|   896k|    {
  145|   896k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|   896k|    }
_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|  15.2k|    {
 1037|  15.2k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  15.2k|    }
_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|  15.2k|    {
  832|  15.2k|        return each_pred_regular(*this, v, args...);
  833|  15.2k|    }
_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|  15.2k|{
  366|  15.2k|    constexpr auto B  = bits<Pos>;
  367|  15.2k|    constexpr auto BL = bits_leaf<Pos>;
  368|  15.2k|    auto n            = p.node()->inner();
  369|  15.2k|    auto last         = p.count() - 1;
  370|  15.2k|    auto e            = n + last;
  371|  15.2k|    if (p.shift() == BL) {
  ------------------
  |  Branch (371:9): [True: 12.0k, False: 3.17k]
  ------------------
  372|  84.5k|        for (; n != e; ++n) {
  ------------------
  |  Branch (372:16): [True: 73.4k, False: 11.0k]
  ------------------
  373|  73.4k|            IMMER_PREFETCH(n + 1);
  374|  73.4k|            if (!make_full_leaf_pos(*n).visit(v, args...))
  ------------------
  |  Branch (374:17): [True: 1.02k, False: 72.4k]
  ------------------
  375|  1.02k|                return false;
  376|  73.4k|        }
  377|  11.0k|        return make_leaf_pos(*n, p.size()).visit(v, args...);
  378|  12.0k|    } else {
  379|  3.17k|        auto ss = p.shift() - B;
  380|  7.45k|        for (; n != e; ++n)
  ------------------
  |  Branch (380:16): [True: 4.93k, False: 2.51k]
  ------------------
  381|  4.93k|            if (!make_full_pos(*n, ss).visit(v, args...))
  ------------------
  |  Branch (381:17): [True: 662, False: 4.27k]
  ------------------
  382|    662|                return false;
  383|  2.51k|        return make_regular_pos(*n, ss, p.size()).visit(v, args...);
  384|  3.17k|    }
  385|  15.2k|}
_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|  13.0k|    {
  113|  13.0k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  114|  13.0k|    }
_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|  3.55k|    {
  337|  3.55k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
  338|  3.55k|    }
_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|  3.55k|    {
  250|  3.55k|        return each_pred_regular(*this, v, args...);
  251|  3.55k|    }
_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|  3.55k|{
  366|  3.55k|    constexpr auto B  = bits<Pos>;
  367|  3.55k|    constexpr auto BL = bits_leaf<Pos>;
  368|  3.55k|    auto n            = p.node()->inner();
  369|  3.55k|    auto last         = p.count() - 1;
  370|  3.55k|    auto e            = n + last;
  371|  3.55k|    if (p.shift() == BL) {
  ------------------
  |  Branch (371:9): [True: 2.21k, False: 1.33k]
  ------------------
  372|  5.79k|        for (; n != e; ++n) {
  ------------------
  |  Branch (372:16): [True: 3.81k, False: 1.97k]
  ------------------
  373|  3.81k|            IMMER_PREFETCH(n + 1);
  374|  3.81k|            if (!make_full_leaf_pos(*n).visit(v, args...))
  ------------------
  |  Branch (374:17): [True: 239, False: 3.57k]
  ------------------
  375|    239|                return false;
  376|  3.81k|        }
  377|  1.97k|        return make_leaf_pos(*n, p.size()).visit(v, args...);
  378|  2.21k|    } else {
  379|  1.33k|        auto ss = p.shift() - B;
  380|  2.23k|        for (; n != e; ++n)
  ------------------
  |  Branch (380:16): [True: 1.19k, False: 1.03k]
  ------------------
  381|  1.19k|            if (!make_full_pos(*n, ss).visit(v, args...))
  ------------------
  |  Branch (381:17): [True: 301, False: 898]
  ------------------
  382|    301|                return false;
  383|  1.03k|        return make_regular_pos(*n, ss, p.size()).visit(v, args...);
  384|  1.33k|    }
  385|  3.55k|}
_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|  4.37k|    {
 1037|  4.37k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  4.37k|    }
_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|  4.37k|    {
 1794|  4.37k|        auto child      = node_->inner()[offset];
 1795|  4.37k|        auto child_size = size(offset);
 1796|  4.37k|        auto is_leaf    = shift_ == BL;
 1797|  4.37k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 4.37k]
  ------------------
 1798|  4.37k|                       : visit_maybe_relaxed_sub(
 1799|  4.37k|                             child, shift_ - B, child_size, v, args...);
 1800|  4.37k|    }
_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|  4.37k|{
 1839|  4.37k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 4.37k, False: 0]
  ------------------
 1840|  4.37k|    auto relaxed = node->relaxed();
 1841|  4.37k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.15k, False: 3.22k]
  ------------------
 1842|  1.15k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.15k, False: 0]
  ------------------
 1843|  1.15k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.15k|            .visit(v, std::forward<Args>(args)...);
 1845|  3.22k|    } else {
 1846|  3.22k|        return make_regular_sub_pos(node, shift, size)
 1847|  3.22k|            .visit(v, std::forward<Args>(args)...);
 1848|  3.22k|    }
 1849|  4.37k|}
_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|  1.15k|    {
 1814|  1.15k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.15k|    }
_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|  9.28k|    {
 1008|  9.28k|        assert(idx < count());
  ------------------
  |  Branch (1008:9): [True: 9.28k, False: 0]
  ------------------
 1009|  9.28k|        auto is_leaf = shift_ == BL;
 1010|  9.28k|        auto child   = node_->inner()[idx];
 1011|  9.28k|        auto lsize   = size(idx);
 1012|  9.28k|        auto is_full = idx + 1 < count();
 1013|  9.28k|        return is_full
  ------------------
  |  Branch (1013:16): [True: 8.72k, False: 563]
  ------------------
 1014|  9.28k|                   ? (is_leaf
  ------------------
  |  Branch (1014:23): [True: 6.50k, False: 2.22k]
  ------------------
 1015|  8.72k|                          ? make_full_leaf_pos(child).visit(v, args...)
 1016|  8.72k|                          : make_full_pos(child, shift_ - B).visit(v, args...))
 1017|  9.28k|                   : (is_leaf
  ------------------
  |  Branch (1017:23): [True: 563, False: 0]
  ------------------
 1018|    563|                          ? make_leaf_sub_pos(child, lsize).visit(v, args...)
 1019|    563|                          : make_regular_sub_pos(child, shift_ - B, lsize)
 1020|      0|                                .visit(v, args...));
 1021|  9.28k|    }
_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|  11.7k|    {
  208|  11.7k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  209|  11.7k|    }
_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|  11.7k|    {
 1805|  11.7k|        assert(shift_ == BL);
  ------------------
  |  Branch (1805:9): [True: 11.7k, False: 0]
  ------------------
 1806|  11.7k|        auto child      = node_->inner()[offset];
 1807|  11.7k|        auto child_size = size(offset);
 1808|  11.7k|        return make_leaf_sub_pos(child, child_size).visit(v, args...);
 1809|  11.7k|    }
_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|  11.7k|    {
  145|  11.7k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  11.7k|    }
_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|  3.06k|    {
 1406|  3.06k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1407|  3.06k|    }
_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|  3.06k|    {
 1794|  3.06k|        auto child      = node_->inner()[offset];
 1795|  3.06k|        auto child_size = size(offset);
 1796|  3.06k|        auto is_leaf    = shift_ == BL;
 1797|  3.06k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 0, False: 3.06k]
  ------------------
 1798|  3.06k|                       : visit_maybe_relaxed_sub(
 1799|  3.06k|                             child, shift_ - B, child_size, v, args...);
 1800|  3.06k|    }
_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|  3.06k|{
 1839|  3.06k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 3.06k, False: 0]
  ------------------
 1840|  3.06k|    auto relaxed = node->relaxed();
 1841|  3.06k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.55k, False: 1.50k]
  ------------------
 1842|  1.55k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.55k, False: 0]
  ------------------
 1843|  1.55k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.55k|            .visit(v, std::forward<Args>(args)...);
 1845|  1.55k|    } else {
 1846|  1.50k|        return make_regular_sub_pos(node, shift, size)
 1847|  1.50k|            .visit(v, std::forward<Args>(args)...);
 1848|  1.50k|    }
 1849|  3.06k|}
_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|  1.55k|    {
 1814|  1.55k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.55k|    }
_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|  6.06k|    {
 1387|  6.06k|        assert(idx < count());
  ------------------
  |  Branch (1387:9): [True: 6.06k, False: 0]
  ------------------
 1388|  6.06k|        auto is_leaf = shift_ == BL;
 1389|  6.06k|        auto child   = node_->inner()[idx];
 1390|  6.06k|        return is_leaf ? make_full_leaf_pos(child).visit(v, args...)
  ------------------
  |  Branch (1390:16): [True: 5.22k, False: 838]
  ------------------
 1391|  6.06k|                       : make_full_pos(child, shift_ - B).visit(v, args...);
 1392|  6.06k|    }
_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|  1.50k|    {
 1037|  1.50k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  1.50k|    }
_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|  65.6k|    {
 1794|  65.6k|        auto child      = node_->inner()[offset];
 1795|  65.6k|        auto child_size = size(offset);
 1796|  65.6k|        auto is_leaf    = shift_ == BL;
 1797|  65.6k|        return is_leaf ? make_leaf_sub_pos(child, child_size).visit(v, args...)
  ------------------
  |  Branch (1797:16): [True: 30.3k, False: 35.2k]
  ------------------
 1798|  65.6k|                       : visit_maybe_relaxed_sub(
 1799|  35.2k|                             child, shift_ - B, child_size, v, args...);
 1800|  65.6k|    }
_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|   150k|{
 1839|   150k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 150k, False: 0]
  ------------------
 1840|   150k|    auto relaxed = node->relaxed();
 1841|   150k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 136k, False: 14.4k]
  ------------------
 1842|   136k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 136k, False: 0]
  ------------------
 1843|   136k|        return make_relaxed_pos(node, shift, relaxed)
 1844|   136k|            .visit(v, std::forward<Args>(args)...);
 1845|   136k|    } else {
 1846|  14.4k|        return make_regular_sub_pos(node, shift, size)
 1847|  14.4k|            .visit(v, std::forward<Args>(args)...);
 1848|  14.4k|    }
 1849|   150k|}
_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|   136k|    {
 1814|   136k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|   136k|    }
_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|   136k|    {
 1483|   136k|        auto p = node_->inner();
 1484|   136k|        auto s = size_t{};
 1485|   136k|        auto n = count();
 1486|   136k|        if (shift_ == BL) {
  ------------------
  |  Branch (1486:13): [True: 118k, False: 18.0k]
  ------------------
 1487|   980k|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1487:39): [True: 864k, False: 116k]
  ------------------
 1488|   864k|                IMMER_PREFETCH(p + i + 1);
 1489|   864k|                if (!make_leaf_sub_pos(p[i], relaxed_->d.sizes[i] - s)
  ------------------
  |  Branch (1489:21): [True: 1.83k, False: 862k]
  ------------------
 1490|   864k|                         .visit(v, args...))
 1491|  1.83k|                    return false;
 1492|   862k|                s = relaxed_->d.sizes[i];
 1493|   862k|            }
 1494|   118k|        } else {
 1495|  18.0k|            auto ss = shift_ - B;
 1496|   130k|            for (auto i = count_t{0}; i < n; ++i) {
  ------------------
  |  Branch (1496:39): [True: 115k, False: 15.4k]
  ------------------
 1497|   115k|                if (!visit_maybe_relaxed_sub(
  ------------------
  |  Branch (1497:21): [True: 2.66k, False: 112k]
  ------------------
 1498|   115k|                        p[i], ss, relaxed_->d.sizes[i] - s, v, args...))
 1499|  2.66k|                    return false;
 1500|   112k|                s = relaxed_->d.sizes[i];
 1501|   112k|            }
 1502|  18.0k|        }
 1503|   131k|        return true;
 1504|   136k|    }
_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|  3.16k|    {
 1037|  3.16k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  3.16k|    }
_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|  1.24k|    {
 1784|  1.24k|        assert(shift_ > BL);
  ------------------
  |  Branch (1784:9): [True: 1.24k, False: 0]
  ------------------
 1785|  1.24k|        auto child      = node_->inner()[0];
 1786|  1.24k|        auto child_size = relaxed_->d.sizes[0];
 1787|  1.24k|        return visit_maybe_relaxed_sub(
 1788|  1.24k|            child, shift_ - B, child_size, v, args...);
 1789|  1.24k|    }
_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|  1.24k|{
 1839|  1.24k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 1.24k, False: 0]
  ------------------
 1840|  1.24k|    auto relaxed = node->relaxed();
 1841|  1.24k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 1.24k, False: 0]
  ------------------
 1842|  1.24k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 1.24k, False: 0]
  ------------------
 1843|  1.24k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  1.24k|            .visit(v, std::forward<Args>(args)...);
 1845|  1.24k|    } else {
 1846|      0|        return make_regular_sub_pos(node, shift, size)
 1847|      0|            .visit(v, std::forward<Args>(args)...);
 1848|      0|    }
 1849|  1.24k|}
_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|  1.24k|    {
 1814|  1.24k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  1.24k|    }
_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|  8.31k|{
 1839|  8.31k|    assert(node);
  ------------------
  |  Branch (1839:5): [True: 8.31k, False: 0]
  ------------------
 1840|  8.31k|    auto relaxed = node->relaxed();
 1841|  8.31k|    if (relaxed) {
  ------------------
  |  Branch (1841:9): [True: 2.65k, False: 5.65k]
  ------------------
 1842|  2.65k|        assert(size == relaxed->d.sizes[relaxed->d.count - 1]);
  ------------------
  |  Branch (1842:9): [True: 2.65k, False: 0]
  ------------------
 1843|  2.65k|        return make_relaxed_pos(node, shift, relaxed)
 1844|  2.65k|            .visit(v, std::forward<Args>(args)...);
 1845|  5.65k|    } else {
 1846|  5.65k|        return make_regular_sub_pos(node, shift, size)
 1847|  5.65k|            .visit(v, std::forward<Args>(args)...);
 1848|  5.65k|    }
 1849|  8.31k|}
_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|  2.65k|    {
 1814|  2.65k|        return Visitor::visit_relaxed(*this, std::forward<Args>(args)...);
 1815|  2.65k|    }
_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|  5.65k|    {
 1037|  5.65k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  5.65k|    }
_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|  8.31k|    {
 1037|  8.31k|        return Visitor::visit_regular(*this, std::forward<Args>(args)...);
 1038|  8.31k|    }
_ZN5immer6detail4rbts12leaf_sub_posINS1_4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEE5visitINS1_14equals_visitorEJRKPSC_EEEDcT_DpOT0_:
  144|  6.92k|    {
  145|  6.92k|        return Visitor::visit_leaf(*this, std::forward<Args>(args)...);
  146|  6.92k|    }

_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2Ev:
  114|  1.31M|        : size{0}
  115|  1.31M|        , shift{BL}
  116|  1.31M|        , root{empty_root()}
  117|  1.31M|        , tail{empty_tail()}
  118|  1.31M|    {
  119|       |        assert(check_tree());
  ------------------
  |  Branch (119:9): [True: 1.31M, False: 0]
  ------------------
  120|  1.31M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10empty_rootEv:
   61|  1.33M|    {
   62|  1.33M|        static const auto empty_ = [] {
   63|  1.33M|            constexpr auto size = node_t::sizeof_inner_n(0);
   64|  1.33M|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   65|  1.33M|                storage;
   66|  1.33M|            return node_t::make_inner_n_into(&storage, size, 0u);
   67|  1.33M|        }();
   68|  1.33M|        return empty_->inc();
   69|  1.33M|    }
_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|  1.31M|    {
   73|  1.31M|        static const auto empty_ = [] {
   74|  1.31M|            constexpr auto size = node_t::sizeof_leaf_n(0);
   75|  1.31M|            static std::aligned_storage_t<size, alignof(std::max_align_t)>
   76|  1.31M|                storage;
   77|  1.31M|            return node_t::make_leaf_n_into(&storage, size, 0u);
   78|  1.31M|        }();
   79|  1.31M|        return empty_->inc();
   80|  1.31M|    }
_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|  3.29M|    {
 1373|  3.29M|        IMMER_INVALID_STATE_ASSERT(shift <= sizeof(size_t) * 8 - BL);
  ------------------
  |  |   32|  3.29M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.29M]
  |  |  ------------------
  |  |   33|  3.29M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1374|  3.29M|        IMMER_INVALID_STATE_ASSERT(shift >= BL);
  ------------------
  |  |   32|  3.29M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.29M]
  |  |  ------------------
  |  |   33|  3.29M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1375|  3.29M|        IMMER_INVALID_STATE_ASSERT(tail_offset() <= size);
  ------------------
  |  |   32|  3.29M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.29M]
  |  |  ------------------
  |  |   33|  3.29M|    IMMER_THROW(invalid_tree{})
  |  |  ------------------
  |  |  |  |   51|      0|#define IMMER_THROW(expr) throw expr
  |  |  ------------------
  ------------------
 1376|  3.29M|        IMMER_INVALID_STATE_ASSERT(tail_size() <= branches<BL>);
  ------------------
  |  |   32|  3.29M|    if (!(expr))                                                               \
  |  |  ------------------
  |  |  |  Branch (32:9): [True: 0, False: 3.29M]
  |  |  ------------------
  |  |   33|  3.29M|    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|  3.29M|        return true;
 1382|  3.29M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11tail_offsetEv:
  197|  17.9M|    {
  198|  17.9M|        auto r = root->relaxed();
  199|  17.9M|        assert(r == nullptr || r->d.count);
  ------------------
  |  Branch (199:9): [True: 7.23M, False: 10.7M]
  |  Branch (199:9): [True: 10.7M, False: 0]
  |  Branch (199:9): [True: 17.9M, False: 0]
  ------------------
  200|  17.9M|        return r      ? r->d.sizes[r->d.count - 1]
  ------------------
  |  Branch (200:16): [True: 10.7M, False: 7.23M]
  ------------------
  201|  17.9M|               : size ? (size - 1) & ~mask<BL>
  ------------------
  |  Branch (201:18): [True: 3.24M, False: 3.98M]
  ------------------
  202|       |                      /* otherwise */
  203|  7.23M|                      : 0;
  204|  17.9M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9tail_sizeEv:
  194|  3.67M|    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|  3.29M|    ~rrbtree() { dec(); }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE3decEv:
  192|  3.29M|    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|  3.29M|    {
  209|  3.29M|        auto tail_off  = tail_offset();
  210|  3.29M|        auto tail_size = size - tail_off;
  211|       |
  212|  3.29M|        if (tail_off)
  ------------------
  |  Branch (212:13): [True: 1.83M, False: 1.46M]
  ------------------
  213|  1.83M|            visit_maybe_relaxed_sub(root, shift, tail_off, v, args...);
  214|  1.46M|        else
  215|  1.46M|            make_empty_regular_pos(root).visit(v, args...);
  216|       |
  217|  3.29M|        if (tail_size)
  ------------------
  |  Branch (217:13): [True: 1.97M, False: 1.32M]
  ------------------
  218|  1.97M|            make_leaf_sub_pos(tail, tail_size).visit(v, args...);
  219|  1.32M|        else
  220|  1.32M|            make_empty_leaf_pos(tail).visit(v, args...);
  221|  3.29M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_backEi:
  500|   324k|    {
  501|   324k|        auto ts = tail_size();
  502|   324k|        if (ts < branches<BL>) {
  ------------------
  |  Branch (502:13): [True: 274k, False: 50.2k]
  ------------------
  503|   274k|            auto new_tail =
  504|   274k|                node_t::copy_leaf_emplace(tail, ts, std::move(value));
  505|   274k|            return {size + 1, shift, root->inc(), new_tail};
  506|   274k|        } else {
  507|  50.2k|            using std::get;
  508|  50.2k|            auto new_tail = node_t::make_leaf_n(1u, std::move(value));
  509|  50.2k|            auto tail_off = tail_offset();
  510|  50.2k|            IMMER_TRY {
  ------------------
  |  |   49|  50.2k|#define IMMER_TRY try
  ------------------
  511|  50.2k|                auto new_root =
  512|  50.2k|                    push_tail(root, shift, tail_off, tail, size - tail_off);
  513|  50.2k|                tail->inc();
  514|  50.2k|                return {size + 1, get<0>(new_root), get<1>(new_root), new_tail};
  515|  50.2k|            }
  516|  50.2k|            IMMER_CATCH (...) {
  517|      0|                node_t::delete_leaf(new_tail, 1u);
  518|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  519|      0|            }
  520|  50.2k|        }
  521|   324k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2EmjPNS1_4nodeIiSA_Lj3ELj3EEESE_:
  127|  1.97M|        : size{sz}
  128|  1.97M|        , shift{sh}
  129|  1.97M|        , root{r}
  130|  1.97M|        , tail{t}
  131|  1.97M|    {
  132|  1.97M|#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|  1.97M|        try {
  137|  1.97M|            check_tree();
  138|  1.97M|        } 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|  1.97M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_tailEPNS1_4nodeIiSA_Lj3ELj3EEEjmSE_j:
  369|   363k|    {
  370|   363k|        if (auto r = root->relaxed()) {
  ------------------
  |  Branch (370:18): [True: 60.5k, False: 302k]
  ------------------
  371|  60.5k|            auto new_root =
  372|  60.5k|                make_relaxed_pos(root, shift, r)
  373|  60.5k|                    .visit(push_tail_visitor<node_t>{}, tail, tail_size);
  374|  60.5k|            if (new_root)
  ------------------
  |  Branch (374:17): [True: 58.5k, False: 1.92k]
  ------------------
  375|  58.5k|                return std::make_tuple(shift, new_root);
  376|  1.92k|            else {
  377|  1.92k|                auto new_root = node_t::make_inner_r_n(2);
  378|  1.92k|                IMMER_TRY {
  ------------------
  |  |   49|  1.92k|#define IMMER_TRY try
  ------------------
  379|  1.92k|                    auto new_path        = node_t::make_path(shift, tail);
  380|  1.92k|                    new_root->inner()[0] = root->inc();
  381|  1.92k|                    new_root->inner()[1] = new_path;
  382|  1.92k|                    new_root->relaxed()->d.sizes[0] = size;
  383|  1.92k|                    new_root->relaxed()->d.sizes[1] = size + tail_size;
  384|  1.92k|                    assert(size);
  ------------------
  |  Branch (384:21): [True: 1.92k, False: 0]
  ------------------
  385|  1.92k|                    assert(tail_size);
  ------------------
  |  Branch (385:21): [True: 1.92k, False: 0]
  ------------------
  386|  1.92k|                    new_root->relaxed()->d.count = 2u;
  387|  1.92k|                }
  388|  1.92k|                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|  1.92k|                return std::make_tuple(shift + B, new_root);
  393|  1.92k|            }
  394|   302k|        } else if (size == size_t{branches<B>} << shift) {
  ------------------
  |  Branch (394:20): [True: 3.64k, False: 299k]
  ------------------
  395|  3.64k|            auto new_root = node_t::make_inner_n(2);
  396|  3.64k|            IMMER_TRY {
  ------------------
  |  |   49|  3.64k|#define IMMER_TRY try
  ------------------
  397|  3.64k|                auto new_path        = node_t::make_path(shift, tail);
  398|  3.64k|                new_root->inner()[0] = root->inc();
  399|  3.64k|                new_root->inner()[1] = new_path;
  400|  3.64k|            }
  401|  3.64k|            IMMER_CATCH (...) {
  402|      0|                node_t::delete_inner(new_root, 2);
  403|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  404|      0|            }
  405|  3.64k|            return std::make_tuple(shift + B, new_root);
  406|   299k|        } else if (size) {
  ------------------
  |  Branch (406:20): [True: 286k, False: 13.0k]
  ------------------
  407|   286k|            auto new_root = make_regular_sub_pos(root, shift, size)
  408|   286k|                                .visit(push_tail_visitor<node_t>{}, tail);
  409|   286k|            return std::make_tuple(shift, new_root);
  410|   286k|        } else {
  411|  13.0k|            return std::make_tuple(shift, node_t::make_path(shift, tail));
  412|  13.0k|        }
  413|   363k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2EOSB_:
  157|  1.22M|        : rrbtree{}
  158|  1.22M|    {
  159|  1.22M|        swap(*this, other);
  160|  1.22M|    }
_ZN5immer6detail4rbts4swapERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEESC_:
  176|  4.45M|    {
  177|  4.45M|        using std::swap;
  178|  4.45M|        swap(x.size, y.size);
  179|  4.45M|        swap(x.shift, y.shift);
  180|  4.45M|        swap(x.root, y.root);
  181|  4.45M|        swap(x.tail, y.tail);
  182|  4.45M|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEaSEOSB_:
  170|  3.22M|    {
  171|  3.22M|        swap(*this, other);
  172|  3.22M|        return *this;
  173|  3.22M|    }
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|   169k|    {
  581|   169k|        auto tail_off = tail_offset();
  582|   169k|        if (idx >= tail_off) {
  ------------------
  |  Branch (582:13): [True: 70.3k, False: 99.0k]
  ------------------
  583|  70.3k|            auto tail_size = size - tail_off;
  584|  70.3k|            auto new_tail =
  585|  70.3k|                make_leaf_sub_pos(tail, tail_size)
  586|  70.3k|                    .visit(update_visitor<node_t>{}, idx - tail_off, fn);
  587|  70.3k|            return {size, shift, root->inc(), new_tail};
  588|  99.0k|        } else {
  589|  99.0k|            auto new_root = visit_maybe_relaxed_sub(
  590|  99.0k|                root, shift, tail_off, update_visitor<node_t>{}, idx, fn);
  591|  99.0k|            return {size, shift, new_root, tail->inc()};
  592|  99.0k|        }
  593|   169k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4takeEm:
  647|  24.6k|    {
  648|  24.6k|        auto tail_off = tail_offset();
  649|  24.6k|        if (new_size == 0) {
  ------------------
  |  Branch (649:13): [True: 4.08k, False: 20.6k]
  ------------------
  650|  4.08k|            return {};
  651|  20.6k|        } else if (new_size >= size) {
  ------------------
  |  Branch (651:20): [True: 1.43k, False: 19.1k]
  ------------------
  652|  1.43k|            return *this;
  653|  19.1k|        } else if (new_size > tail_off) {
  ------------------
  |  Branch (653:20): [True: 1.19k, False: 17.9k]
  ------------------
  654|  1.19k|            auto new_tail = node_t::copy_leaf(tail, new_size - tail_off);
  655|  1.19k|            return {new_size, shift, root->inc(), new_tail};
  656|  17.9k|        } else {
  657|  17.9k|            using std::get;
  658|  17.9k|            auto l = new_size - 1;
  659|  17.9k|            auto v = slice_right_visitor<node_t>();
  660|  17.9k|            auto r = visit_maybe_relaxed_sub(root, shift, tail_off, v, l);
  661|  17.9k|            auto new_shift = get<0>(r);
  662|  17.9k|            auto new_root  = get<1>(r);
  663|  17.9k|            auto new_tail  = get<3>(r);
  664|  17.9k|            if (new_root) {
  ------------------
  |  Branch (664:17): [True: 13.6k, False: 4.28k]
  ------------------
  665|  13.6k|                IMMER_ASSERT_TAGGED(new_root->compute_shift() == get<0>(r));
  ------------------
  |  |   68|  13.6k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (665:17): [True: 13.6k, False: 0]
  ------------------
  666|  13.6k|                assert(new_root->check(new_shift, new_size - get<2>(r)));
  ------------------
  |  Branch (666:17): [True: 13.6k, False: 0]
  ------------------
  667|  13.6k|                return {new_size, new_shift, new_root, new_tail};
  668|  13.6k|            } else {
  669|  4.28k|                return {new_size, BL, empty_root(), new_tail};
  670|  4.28k|            }
  671|  17.9k|        }
  672|  24.6k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2ERKSB_:
  151|  10.2k|        : rrbtree{other.size, other.shift, other.root, other.tail}
  152|  10.2k|    {
  153|  10.2k|        inc();
  154|  10.2k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE3incEv:
  187|  10.2k|    {
  188|  10.2k|        root->inc();
  189|  10.2k|        tail->inc();
  190|  10.2k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4dropEm:
  711|  35.9k|    {
  712|  35.9k|        if (elems == 0) {
  ------------------
  |  Branch (712:13): [True: 2.55k, False: 33.4k]
  ------------------
  713|  2.55k|            return *this;
  714|  33.4k|        } else if (elems >= size) {
  ------------------
  |  Branch (714:20): [True: 2.20k, False: 31.2k]
  ------------------
  715|  2.20k|            return {};
  716|  31.2k|        } else if (elems == tail_offset()) {
  ------------------
  |  Branch (716:20): [True: 1.84k, False: 29.3k]
  ------------------
  717|  1.84k|            return {size - elems, BL, empty_root(), tail->inc()};
  718|  29.3k|        } else if (elems > tail_offset()) {
  ------------------
  |  Branch (718:20): [True: 1.28k, False: 28.1k]
  ------------------
  719|  1.28k|            auto tail_off = tail_offset();
  720|  1.28k|            auto new_tail =
  721|  1.28k|                node_t::copy_leaf(tail, elems - tail_off, size - tail_off);
  722|  1.28k|            return {size - elems, BL, empty_root(), new_tail};
  723|  28.1k|        } else {
  724|  28.1k|            using std::get;
  725|  28.1k|            auto v = slice_left_visitor<node_t>();
  726|  28.1k|            auto r =
  727|  28.1k|                visit_maybe_relaxed_sub(root, shift, tail_offset(), v, elems);
  728|  28.1k|            auto new_root  = get<1>(r);
  729|  28.1k|            auto new_shift = get<0>(r);
  730|  28.1k|            return {size - elems, new_shift, new_root, tail->inc()};
  731|  28.1k|        }
  732|  35.9k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8max_sizeEv:
   54|  2.44M|    {
   55|  2.44M|        auto S = sizeof(size_t) * 8;
   56|  2.44M|        return ((size_t{1} << BL) - std::min(size_t{BL}, size_t{2})) *
   57|  2.44M|               ipow((size_t{1} << B) - 2, (S - BL) / B);
   58|  2.44M|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6concatERKSB_:
  735|   643k|    {
  736|   643k|        assert(r.size + size <= max_size());
  ------------------
  |  Branch (736:9): [True: 643k, False: 0]
  ------------------
  737|   643k|        using std::get;
  738|   643k|        if (size == 0)
  ------------------
  |  Branch (738:13): [True: 1.45k, False: 642k]
  ------------------
  739|  1.45k|            return r;
  740|   642k|        else if (r.size == 0)
  ------------------
  |  Branch (740:18): [True: 1.23k, False: 640k]
  ------------------
  741|  1.23k|            return *this;
  742|   640k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (742:18): [True: 330k, False: 309k]
  ------------------
  743|       |            // just concat the tail, similar to push_back
  744|   330k|            auto tail_offst = tail_offset();
  745|   330k|            auto tail_size  = size - tail_offst;
  746|   330k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (746:17): [True: 64.6k, False: 266k]
  ------------------
  747|  64.6k|                auto new_root =
  748|  64.6k|                    push_tail(root, shift, tail_offst, tail, tail_size);
  749|  64.6k|                tail->inc();
  750|  64.6k|                return {size + r.size,
  751|  64.6k|                        get<0>(new_root),
  752|  64.6k|                        get<1>(new_root),
  753|  64.6k|                        r.tail->inc()};
  754|   266k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (754:24): [True: 18.6k, False: 247k]
  ------------------
  755|  18.6k|                auto new_tail =
  756|  18.6k|                    node_t::copy_leaf(tail, tail_size, r.tail, r.size);
  757|  18.6k|                return {size + r.size, shift, root->inc(), new_tail};
  758|   247k|            } else {
  759|   247k|                auto remaining = branches<BL> - tail_size;
  760|   247k|                auto add_tail =
  761|   247k|                    node_t::copy_leaf(tail, tail_size, r.tail, remaining);
  762|   247k|                IMMER_TRY {
  ------------------
  |  |   49|   247k|#define IMMER_TRY try
  ------------------
  763|   247k|                    auto new_tail =
  764|   247k|                        node_t::copy_leaf(r.tail, remaining, r.size);
  765|   247k|                    IMMER_TRY {
  ------------------
  |  |   49|   247k|#define IMMER_TRY try
  ------------------
  766|   247k|                        auto new_root = push_tail(
  767|   247k|                            root, shift, tail_offst, add_tail, branches<BL>);
  768|   247k|                        return {size + r.size,
  769|   247k|                                get<0>(new_root),
  770|   247k|                                get<1>(new_root),
  771|   247k|                                new_tail};
  772|   247k|                    }
  773|   247k|                    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|   247k|                }
  778|   247k|                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|   247k|            }
  783|   330k|        } else if (tail_offset() == 0) {
  ------------------
  |  Branch (783:20): [True: 2.65k, False: 307k]
  ------------------
  784|  2.65k|            auto tail_offst = tail_offset();
  785|  2.65k|            auto tail_size  = size - tail_offst;
  786|  2.65k|            auto concated =
  787|  2.65k|                concat_trees(tail, tail_size, r.root, r.shift, r.tail_offset());
  788|  2.65k|            auto new_shift = concated.shift();
  789|  2.65k|            auto new_root  = concated.node();
  790|  2.65k|            IMMER_ASSERT_TAGGED(new_shift == new_root->compute_shift());
  ------------------
  |  |   68|  2.65k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (790:13): [True: 2.65k, False: 0]
  ------------------
  791|  2.65k|            assert(new_root->check(new_shift, size + r.tail_offset()));
  ------------------
  |  Branch (791:13): [True: 2.65k, False: 0]
  ------------------
  792|  2.65k|            return {size + r.size, new_shift, new_root, r.tail->inc()};
  793|   307k|        } else {
  794|   307k|            auto tail_offst = tail_offset();
  795|   307k|            auto tail_size  = size - tail_offst;
  796|   307k|            auto concated   = concat_trees(root,
  797|   307k|                                         shift,
  798|   307k|                                         tail_offst,
  799|   307k|                                         tail,
  800|   307k|                                         tail_size,
  801|   307k|                                         r.root,
  802|   307k|                                         r.shift,
  803|   307k|                                         r.tail_offset());
  804|   307k|            auto new_shift  = concated.shift();
  805|   307k|            auto new_root   = concated.node();
  806|   307k|            IMMER_ASSERT_TAGGED(new_shift == new_root->compute_shift());
  ------------------
  |  |   68|   307k|#define IMMER_ASSERT_TAGGED(assertion) assert(assertion)
  ------------------
  |  Branch (806:13): [True: 307k, False: 0]
  ------------------
  807|   307k|            assert(new_root->check(new_shift, size + r.tail_offset()));
  ------------------
  |  Branch (807:13): [True: 307k, False: 0]
  ------------------
  808|   307k|            return {size + r.size, new_shift, new_root, r.tail->inc()};
  809|   307k|        }
  810|   643k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13push_back_mutENS9_5applyIS6_E4type4editEi:
  478|  40.0k|    {
  479|  40.0k|        auto ts = tail_size();
  480|  40.0k|        if (ts < branches<BL>) {
  ------------------
  |  Branch (480:13): [True: 30.1k, False: 9.90k]
  ------------------
  481|  30.1k|            ensure_mutable_tail(e, ts);
  482|  30.1k|            new (&tail->leaf()[ts]) T(std::move(value));
  483|  30.1k|        } else {
  484|  9.90k|            using std::get;
  485|  9.90k|            auto new_tail = node_t::make_leaf_e(e, std::move(value));
  486|  9.90k|            auto tail_off = tail_offset();
  487|  9.90k|            IMMER_TRY {
  ------------------
  |  |   49|  9.90k|#define IMMER_TRY try
  ------------------
  488|  9.90k|                push_tail_mut(e, tail_off, tail, ts);
  489|  9.90k|                tail = new_tail;
  490|  9.90k|            }
  491|  9.90k|            IMMER_CATCH (...) {
  492|      0|                node_t::delete_leaf(new_tail, 1u);
  493|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  494|      0|            }
  495|  9.90k|        }
  496|  40.0k|        ++size;
  497|  40.0k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE19ensure_mutable_tailENS9_5applyIS6_E4type4editEj:
  469|   338k|    {
  470|   338k|        if (!tail->can_mutate(e)) {
  ------------------
  |  Branch (470:13): [True: 10.0k, False: 328k]
  ------------------
  471|  10.0k|            auto new_tail = node_t::copy_leaf_e(e, tail, n);
  472|  10.0k|            dec_leaf(tail, n);
  473|  10.0k|            tail = new_tail;
  474|  10.0k|        }
  475|   338k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE13push_tail_mutENS9_5applyIS6_E4type4editEmPNS1_4nodeIiSA_Lj3ELj3EEEj:
  417|   349k|    {
  418|   349k|        if (auto r = root->relaxed()) {
  ------------------
  |  Branch (418:18): [True: 162k, False: 187k]
  ------------------
  419|   162k|            auto new_root =
  420|   162k|                make_relaxed_pos(root, shift, r)
  421|   162k|                    .visit(push_tail_mut_visitor<node_t>{}, e, tail, tail_size);
  422|   162k|            if (new_root) {
  ------------------
  |  Branch (422:17): [True: 162k, False: 726]
  ------------------
  423|   162k|                root = new_root;
  424|   162k|            } else {
  425|    726|                auto new_root = node_t::make_inner_r_e(e);
  426|    726|                IMMER_TRY {
  ------------------
  |  |   49|    726|#define IMMER_TRY try
  ------------------
  427|    726|                    auto new_path        = node_t::make_path_e(e, shift, tail);
  428|    726|                    new_root->inner()[0] = root;
  429|    726|                    new_root->inner()[1] = new_path;
  430|    726|                    new_root->relaxed()->d.sizes[0] = tail_off;
  431|    726|                    new_root->relaxed()->d.sizes[1] = tail_off + tail_size;
  432|    726|                    assert(tail_off);
  ------------------
  |  Branch (432:21): [True: 726, False: 0]
  ------------------
  433|    726|                    assert(tail_size);
  ------------------
  |  Branch (433:21): [True: 726, False: 0]
  ------------------
  434|    726|                    new_root->relaxed()->d.count = 2u;
  435|    726|                    root                         = new_root;
  436|    726|                    shift += B;
  437|    726|                }
  438|    726|                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|    726|            }
  443|   187k|        } else if (tail_off == size_t{branches<B>} << shift) {
  ------------------
  |  Branch (443:20): [True: 1.92k, False: 185k]
  ------------------
  444|  1.92k|            auto new_root = node_t::make_inner_e(e);
  445|  1.92k|            IMMER_TRY {
  ------------------
  |  |   49|  1.92k|#define IMMER_TRY try
  ------------------
  446|  1.92k|                auto new_path        = node_t::make_path_e(e, shift, tail);
  447|  1.92k|                new_root->inner()[0] = root;
  448|  1.92k|                new_root->inner()[1] = new_path;
  449|  1.92k|                root                 = new_root;
  450|  1.92k|                shift += B;
  451|  1.92k|            }
  452|  1.92k|            IMMER_CATCH (...) {
  453|      0|                node_t::delete_inner_e(new_root);
  454|      0|                IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  455|      0|            }
  456|   185k|        } else if (tail_off) {
  ------------------
  |  Branch (456:20): [True: 182k, False: 2.16k]
  ------------------
  457|   182k|            auto new_root =
  458|   182k|                make_regular_sub_pos(root, shift, tail_off)
  459|   182k|                    .visit(push_tail_mut_visitor<node_t>{}, e, tail);
  460|   182k|            root = new_root;
  461|   182k|        } else {
  462|  2.16k|            auto new_root = node_t::make_path_e(e, shift, tail);
  463|  2.16k|            dec_empty_regular(root);
  464|  2.16k|            root = new_root;
  465|  2.16k|        }
  466|   349k|    }
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|  30.8k|    {
  574|  30.8k|        auto& elem = get_mut(e, idx);
  575|  30.8k|        elem       = std::forward<FnT>(fn)(std::move(elem));
  576|  30.8k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7get_mutENS9_5applyIS6_E4type4editEm:
  539|  30.8k|    {
  540|  30.8k|        auto tail_off = tail_offset();
  541|  30.8k|        if (idx >= tail_off) {
  ------------------
  |  Branch (541:13): [True: 11.3k, False: 19.5k]
  ------------------
  542|  11.3k|            ensure_mutable_tail(e, size - tail_off);
  543|  11.3k|            return tail->leaf()[(idx - tail_off) & mask<BL>];
  544|  19.5k|        } else {
  545|  19.5k|            return visit_maybe_relaxed_sub(root,
  546|  19.5k|                                           shift,
  547|  19.5k|                                           tail_off,
  548|  19.5k|                                           get_mut_visitor<node_t>{},
  549|  19.5k|                                           idx,
  550|  19.5k|                                           e,
  551|  19.5k|                                           &root);
  552|  19.5k|        }
  553|  30.8k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8take_mutENS9_5applyIS6_E4type4editEm:
  606|  31.6k|    {
  607|  31.6k|        auto tail_off = tail_offset();
  608|  31.6k|        if (new_size == 0) {
  ------------------
  |  Branch (608:13): [True: 728, False: 30.8k]
  ------------------
  609|    728|            *this = {};
  610|  30.8k|        } else if (new_size >= size) {
  ------------------
  |  Branch (610:20): [True: 447, False: 30.4k]
  ------------------
  611|    447|            return;
  612|  30.4k|        } else if (new_size > tail_off) {
  ------------------
  |  Branch (612:20): [True: 593, False: 29.8k]
  ------------------
  613|    593|            auto ts    = size - tail_off;
  614|    593|            auto newts = new_size - tail_off;
  615|    593|            if (tail->can_mutate(e)) {
  ------------------
  |  Branch (615:17): [True: 328, False: 265]
  ------------------
  616|    328|                detail::destroy_n(tail->leaf() + newts, ts - newts);
  617|    328|            } else {
  618|    265|                auto new_tail = node_t::copy_leaf_e(e, tail, newts);
  619|    265|                dec_leaf(tail, ts);
  620|    265|                tail = new_tail;
  621|    265|            }
  622|    593|            size = new_size;
  623|    593|            return;
  624|  29.8k|        } else {
  625|  29.8k|            using std::get;
  626|  29.8k|            auto l = new_size - 1;
  627|  29.8k|            auto v = slice_right_mut_visitor<node_t>();
  628|  29.8k|            auto r = visit_maybe_relaxed_sub(root, shift, tail_off, v, l, e);
  629|  29.8k|            auto new_shift = get<0>(r);
  630|  29.8k|            auto new_root  = get<1>(r);
  631|  29.8k|            auto new_tail  = get<3>(r);
  632|  29.8k|            if (new_root) {
  ------------------
  |  Branch (632:17): [True: 23.0k, False: 6.81k]
  ------------------
  633|  23.0k|                root  = new_root;
  634|  23.0k|                shift = new_shift;
  635|  23.0k|            } else {
  636|  6.81k|                root  = empty_root();
  637|  6.81k|                shift = BL;
  638|  6.81k|            }
  639|  29.8k|            dec_leaf(tail, size - tail_off);
  640|  29.8k|            size = new_size;
  641|  29.8k|            tail = new_tail;
  642|  29.8k|            return;
  643|  29.8k|        }
  644|  31.6k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8drop_mutENS9_5applyIS6_E4type4editEm:
  675|  57.0k|    {
  676|  57.0k|        using std::get;
  677|  57.0k|        auto tail_off = tail_offset();
  678|  57.0k|        if (elems == 0) {
  ------------------
  |  Branch (678:13): [True: 5.52k, False: 51.5k]
  ------------------
  679|  5.52k|            return;
  680|  51.5k|        } else if (elems >= size) {
  ------------------
  |  Branch (680:20): [True: 256, False: 51.3k]
  ------------------
  681|    256|            *this = {};
  682|  51.3k|        } else if (elems == tail_off) {
  ------------------
  |  Branch (682:20): [True: 215, False: 51.1k]
  ------------------
  683|    215|            dec_inner(root, shift, tail_off);
  684|    215|            shift = BL;
  685|    215|            root  = empty_root();
  686|    215|            size -= elems;
  687|    215|            return;
  688|  51.1k|        } else if (elems > tail_off) {
  ------------------
  |  Branch (688:20): [True: 855, False: 50.2k]
  ------------------
  689|    855|            auto v = slice_left_mut_visitor<node_t>();
  690|    855|            tail   = get<1>(make_leaf_sub_pos(tail, size - tail_off)
  691|    855|                              .visit(v, elems - tail_off, e));
  692|    855|            if (tail_off) {
  ------------------
  |  Branch (692:17): [True: 226, False: 629]
  ------------------
  693|    226|                dec_inner(root, shift, tail_off);
  694|    226|                shift = BL;
  695|    226|                root  = empty_root();
  696|    226|            }
  697|    855|            size -= elems;
  698|    855|            return;
  699|  50.2k|        } else {
  700|  50.2k|            auto v = slice_left_mut_visitor<node_t>();
  701|  50.2k|            auto r =
  702|  50.2k|                visit_maybe_relaxed_sub(root, shift, tail_off, v, elems, e);
  703|  50.2k|            shift = get<0>(r);
  704|  50.2k|            root  = get<1>(r);
  705|  50.2k|            size -= elems;
  706|  50.2k|            return;
  707|  50.2k|        }
  708|  57.0k|    }
_ZN5immer6detail4rbts12concat_mut_lERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS9_5applyIS6_E4type4editERKSB_:
  816|   209k|    {
  817|   209k|        assert(&l != &r);
  ------------------
  |  Branch (817:9): [True: 209k, False: 0]
  ------------------
  818|   209k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (818:9): [True: 209k, False: 0]
  ------------------
  819|   209k|        using std::get;
  820|   209k|        if (l.size == 0)
  ------------------
  |  Branch (820:13): [True: 639, False: 209k]
  ------------------
  821|    639|            l = r;
  822|   209k|        else if (r.size == 0)
  ------------------
  |  Branch (822:18): [True: 695, False: 208k]
  ------------------
  823|    695|            return;
  824|   208k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (824:18): [True: 65.6k, False: 142k]
  ------------------
  825|       |            // just concat the tail, similar to push_back
  826|  65.6k|            auto tail_offst = l.tail_offset();
  827|  65.6k|            auto tail_size  = l.size - tail_offst;
  828|  65.6k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (828:17): [True: 10.3k, False: 55.3k]
  ------------------
  829|  10.3k|                l.push_tail_mut(el, tail_offst, l.tail, tail_size);
  830|  10.3k|                l.tail = r.tail->inc();
  831|  10.3k|                l.size += r.size;
  832|  10.3k|                return;
  833|  55.3k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (833:24): [True: 605, False: 54.7k]
  ------------------
  834|    605|                l.ensure_mutable_tail(el, tail_size);
  835|    605|                detail::uninitialized_copy(r.tail->leaf(),
  836|    605|                                           r.tail->leaf() + r.size,
  837|    605|                                           l.tail->leaf() + tail_size);
  838|    605|                l.size += r.size;
  839|    605|                return;
  840|  54.7k|            } else {
  841|  54.7k|                auto remaining = branches<BL> - tail_size;
  842|  54.7k|                l.ensure_mutable_tail(el, tail_size);
  843|  54.7k|                detail::uninitialized_copy(r.tail->leaf(),
  844|  54.7k|                                           r.tail->leaf() + remaining,
  845|  54.7k|                                           l.tail->leaf() + tail_size);
  846|  54.7k|                IMMER_TRY {
  ------------------
  |  |   49|  54.7k|#define IMMER_TRY try
  ------------------
  847|  54.7k|                    auto new_tail =
  848|  54.7k|                        node_t::copy_leaf_e(el, r.tail, remaining, r.size);
  849|  54.7k|                    IMMER_TRY {
  ------------------
  |  |   49|  54.7k|#define IMMER_TRY try
  ------------------
  850|  54.7k|                        l.push_tail_mut(el, tail_offst, l.tail, branches<BL>);
  851|  54.7k|                        l.tail = new_tail;
  852|  54.7k|                        l.size += r.size;
  853|  54.7k|                        return;
  854|  54.7k|                    }
  855|  54.7k|                    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|  54.7k|                }
  860|  54.7k|                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|  54.7k|            }
  865|   142k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (865:20): [True: 433, False: 142k]
  ------------------
  866|    433|            if (supports_transient_concat) {
  ------------------
  |  Branch (866:17): [Folded, False: 433]
  ------------------
  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|    433|            } else {
  886|    433|                auto tail_offst = l.tail_offset();
  887|    433|                auto tail_size  = l.size - tail_offst;
  888|    433|                auto concated   = concat_trees(
  889|    433|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
  890|    433|                l = {l.size + r.size,
  891|    433|                     concated.shift(),
  892|    433|                     concated.node(),
  893|    433|                     r.tail->inc()};
  894|    433|                assert(l.check_tree());
  ------------------
  |  Branch (894:17): [True: 433, False: 0]
  ------------------
  895|    433|                return;
  896|    433|            }
  897|   142k|        } else {
  898|   142k|            if (supports_transient_concat) {
  ------------------
  |  Branch (898:17): [Folded, False: 142k]
  ------------------
  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|   142k|            } else {
  923|   142k|                auto tail_offst = l.tail_offset();
  924|   142k|                auto tail_size  = l.size - tail_offst;
  925|   142k|                auto concated   = concat_trees(l.root,
  926|   142k|                                             l.shift,
  927|   142k|                                             tail_offst,
  928|   142k|                                             l.tail,
  929|   142k|                                             tail_size,
  930|   142k|                                             r.root,
  931|   142k|                                             r.shift,
  932|   142k|                                             r.tail_offset());
  933|   142k|                l               = {l.size + r.size,
  934|   142k|                                   concated.shift(),
  935|   142k|                                   concated.node(),
  936|   142k|                                   r.tail->inc()};
  937|   142k|            }
  938|   142k|        }
  939|   209k|    }
_ZN5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEaSERKSB_:
  163|  3.53k|    {
  164|  3.53k|        auto next{other};
  165|  3.53k|        swap(*this, next);
  166|  3.53k|        return *this;
  167|  3.53k|    }
_ZN5immer6detail4rbts12concat_mut_rERKNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERSB_NS9_5applyIS6_E4type4editE:
  942|  3.98k|    {
  943|  3.98k|        assert(&l != &r);
  ------------------
  |  Branch (943:9): [True: 3.98k, False: 0]
  ------------------
  944|  3.98k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (944:9): [True: 3.98k, False: 0]
  ------------------
  945|  3.98k|        using std::get;
  946|  3.98k|        if (r.size == 0)
  ------------------
  |  Branch (946:13): [True: 246, False: 3.73k]
  ------------------
  947|    246|            r = std::move(l);
  948|  3.73k|        else if (l.size == 0)
  ------------------
  |  Branch (948:18): [True: 199, False: 3.53k]
  ------------------
  949|    199|            return;
  950|  3.53k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (950:18): [True: 1.37k, False: 2.15k]
  ------------------
  951|       |            // just concat the tail, similar to push_back
  952|  1.37k|            auto tail_offst = l.tail_offset();
  953|  1.37k|            auto tail_size  = l.size - tail_offst;
  954|  1.37k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (954:17): [True: 334, False: 1.04k]
  ------------------
  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|    334|                auto res =
  959|    334|                    l.push_tail(l.root, l.shift, tail_offst, l.tail, tail_size);
  960|    334|                l.tail->inc(); // note: leak if mutably concatenated
  961|       |                               // with itself, but this is forbidden
  962|       |                               // by the interface
  963|    334|                r = {l.size + r.size, get<0>(res), get<1>(res), r.tail->inc()};
  964|    334|                return;
  965|  1.04k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (965:24): [True: 388, False: 655]
  ------------------
  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|    388|                auto new_tail =
  974|    388|                    node_t::copy_leaf(l.tail, tail_size, r.tail, r.size);
  975|    388|                r = {l.size + r.size, l.shift, l.root->inc(), new_tail};
  976|    388|                return;
  977|    655|            } else {
  978|       |                // like the immutable version
  979|    655|                auto remaining = branches<BL> - tail_size;
  980|    655|                auto add_tail  = node_t::copy_leaf_e(
  981|    655|                    er, l.tail, tail_size, r.tail, remaining);
  982|    655|                IMMER_TRY {
  ------------------
  |  |   49|    655|#define IMMER_TRY try
  ------------------
  983|    655|                    auto new_tail =
  984|    655|                        node_t::copy_leaf_e(er, r.tail, remaining, r.size);
  985|    655|                    IMMER_TRY {
  ------------------
  |  |   49|    655|#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|    655|                        auto new_root = l.push_tail(l.root,
  990|    655|                                                    l.shift,
  991|    655|                                                    tail_offst,
  992|    655|                                                    add_tail,
  993|    655|                                                    branches<BL>);
  994|    655|                        r             = {l.size + r.size,
  995|    655|                                         get<0>(new_root),
  996|    655|                                         get<1>(new_root),
  997|    655|                                         new_tail};
  998|    655|                        return;
  999|    655|                    }
 1000|    655|                    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|    655|                }
 1005|    655|                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|    655|            }
 1010|  2.15k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (1010:20): [True: 607, False: 1.55k]
  ------------------
 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|  1.55k|        } else {
 1041|  1.55k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1041:17): [Folded, False: 1.55k]
  ------------------
 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|  1.55k|            } else {
 1064|  1.55k|                auto tail_offst = l.tail_offset();
 1065|  1.55k|                auto tail_size  = l.size - tail_offst;
 1066|  1.55k|                auto concated   = concat_trees(l.root,
 1067|  1.55k|                                             l.shift,
 1068|  1.55k|                                             tail_offst,
 1069|  1.55k|                                             l.tail,
 1070|  1.55k|                                             tail_size,
 1071|  1.55k|                                             r.root,
 1072|  1.55k|                                             r.shift,
 1073|  1.55k|                                             r.tail_offset());
 1074|  1.55k|                r               = {l.size + r.size,
 1075|  1.55k|                                   concated.shift(),
 1076|  1.55k|                                   concated.node(),
 1077|  1.55k|                                   r.tail->inc()};
 1078|  1.55k|                return;
 1079|  1.55k|            }
 1080|  1.55k|        }
 1081|  3.98k|    }
_ZN5immer6detail4rbts15concat_mut_lr_lERNS1_7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEENS9_5applyIS6_E4type4editESC_SG_:
 1084|   920k|    {
 1085|   920k|        assert(&l != &r);
  ------------------
  |  Branch (1085:9): [True: 920k, False: 0]
  ------------------
 1086|   920k|        assert(r.size < (std::numeric_limits<size_t>::max() - l.size));
  ------------------
  |  Branch (1086:9): [True: 920k, False: 0]
  ------------------
 1087|   920k|        using std::get;
 1088|   920k|        if (l.size == 0)
  ------------------
  |  Branch (1088:13): [True: 2.64k, False: 917k]
  ------------------
 1089|  2.64k|            l = r;
 1090|   917k|        else if (r.size == 0)
  ------------------
  |  Branch (1090:18): [True: 2.71k, False: 914k]
  ------------------
 1091|  2.71k|            return;
 1092|   914k|        else if (r.tail_offset() == 0) {
  ------------------
  |  Branch (1092:18): [True: 278k, False: 636k]
  ------------------
 1093|       |            // just concat the tail, similar to push_back
 1094|   278k|            auto tail_offst = l.tail_offset();
 1095|   278k|            auto tail_size  = l.size - tail_offst;
 1096|   278k|            if (tail_size == branches<BL>) {
  ------------------
  |  Branch (1096:17): [True: 36.4k, False: 241k]
  ------------------
 1097|  36.4k|                l.push_tail_mut(el, tail_offst, l.tail, tail_size);
 1098|  36.4k|                l.tail = r.tail->inc();
 1099|  36.4k|                l.size += r.size;
 1100|  36.4k|                return;
 1101|   241k|            } else if (tail_size + r.size <= branches<BL>) {
  ------------------
  |  Branch (1101:24): [True: 3.08k, False: 238k]
  ------------------
 1102|  3.08k|                l.ensure_mutable_tail(el, tail_size);
 1103|  3.08k|                if (r.tail->can_mutate(er))
  ------------------
  |  Branch (1103:21): [True: 1.51k, False: 1.56k]
  ------------------
 1104|  1.51k|                    detail::uninitialized_move(r.tail->leaf(),
 1105|  1.51k|                                               r.tail->leaf() + r.size,
 1106|  1.51k|                                               l.tail->leaf() + tail_size);
 1107|  1.56k|                else
 1108|  1.56k|                    detail::uninitialized_copy(r.tail->leaf(),
 1109|  1.56k|                                               r.tail->leaf() + r.size,
 1110|  1.56k|                                               l.tail->leaf() + tail_size);
 1111|  3.08k|                l.size += r.size;
 1112|  3.08k|                return;
 1113|   238k|            } else {
 1114|   238k|                auto remaining = branches<BL> - tail_size;
 1115|   238k|                l.ensure_mutable_tail(el, tail_size);
 1116|   238k|                if (r.tail->can_mutate(er))
  ------------------
  |  Branch (1116:21): [True: 105k, False: 133k]
  ------------------
 1117|   105k|                    detail::uninitialized_move(r.tail->leaf(),
 1118|   105k|                                               r.tail->leaf() + remaining,
 1119|   105k|                                               l.tail->leaf() + tail_size);
 1120|   133k|                else
 1121|   133k|                    detail::uninitialized_copy(r.tail->leaf(),
 1122|   133k|                                               r.tail->leaf() + remaining,
 1123|   133k|                                               l.tail->leaf() + tail_size);
 1124|   238k|                IMMER_TRY {
  ------------------
  |  |   49|   238k|#define IMMER_TRY try
  ------------------
 1125|   238k|                    auto new_tail =
 1126|   238k|                        node_t::copy_leaf_e(el, r.tail, remaining, r.size);
 1127|   238k|                    IMMER_TRY {
  ------------------
  |  |   49|   238k|#define IMMER_TRY try
  ------------------
 1128|   238k|                        l.push_tail_mut(el, tail_offst, l.tail, branches<BL>);
 1129|   238k|                        l.tail = new_tail;
 1130|   238k|                        l.size += r.size;
 1131|   238k|                        return;
 1132|   238k|                    }
 1133|   238k|                    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|   238k|                }
 1138|   238k|                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|   238k|            }
 1143|   636k|        } else if (l.tail_offset() == 0) {
  ------------------
  |  Branch (1143:20): [True: 3.60k, False: 633k]
  ------------------
 1144|  3.60k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1144:17): [Folded, False: 3.60k]
  ------------------
 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|  3.60k|            } else {
 1165|  3.60k|                auto tail_offst = l.tail_offset();
 1166|  3.60k|                auto tail_size  = l.size - tail_offst;
 1167|  3.60k|                auto concated   = concat_trees(
 1168|  3.60k|                    l.tail, tail_size, r.root, r.shift, r.tail_offset());
 1169|  3.60k|                l = {l.size + r.size,
 1170|  3.60k|                     concated.shift(),
 1171|  3.60k|                     concated.node(),
 1172|  3.60k|                     r.tail->inc()};
 1173|  3.60k|                return;
 1174|  3.60k|            }
 1175|   633k|        } else {
 1176|   633k|            if (supports_transient_concat) {
  ------------------
  |  Branch (1176:17): [Folded, False: 633k]
  ------------------
 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|   633k|            } else {
 1200|   633k|                auto tail_offst = l.tail_offset();
 1201|   633k|                auto tail_size  = l.size - tail_offst;
 1202|   633k|                auto concated   = concat_trees(l.root,
 1203|   633k|                                             l.shift,
 1204|   633k|                                             tail_offst,
 1205|   633k|                                             l.tail,
 1206|   633k|                                             tail_size,
 1207|   633k|                                             r.root,
 1208|   633k|                                             r.shift,
 1209|   633k|                                             r.tail_offset());
 1210|   633k|                l               = {l.size + r.size,
 1211|   633k|                                   concated.shift(),
 1212|   633k|                                   concated.node(),
 1213|   633k|                                   r.tail->inc()};
 1214|   633k|                return;
 1215|   633k|            }
 1216|   633k|        }
 1217|   920k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6equalsERKSB_:
  315|  80.8k|    {
  316|  80.8k|        using iter_t = rrbtree_iterator<T, MemoryPolicy, B, BL>;
  317|  80.8k|        if (size != other.size)
  ------------------
  |  Branch (317:13): [True: 56.1k, False: 24.7k]
  ------------------
  318|  56.1k|            return false;
  319|  24.7k|        if (size == 0)
  ------------------
  |  Branch (319:13): [True: 197, False: 24.5k]
  ------------------
  320|    197|            return true;
  321|  24.5k|        auto tail_off       = tail_offset();
  322|  24.5k|        auto tail_off_other = other.tail_offset();
  323|       |        // compare trees
  324|  24.5k|        if (tail_off > 0 && tail_off_other > 0) {
  ------------------
  |  Branch (324:13): [True: 23.6k, False: 861]
  |  Branch (324:29): [True: 23.4k, 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|  23.4k|            if (other.shift >= shift) {
  ------------------
  |  Branch (328:17): [True: 22.8k, False: 632]
  ------------------
  329|  22.8k|                if (!visit_maybe_relaxed_sub(other.root,
  ------------------
  |  Branch (329:21): [True: 12.7k, False: 10.0k]
  ------------------
  330|  22.8k|                                             other.shift,
  331|  22.8k|                                             tail_off_other,
  332|  22.8k|                                             equals_visitor::rrb{},
  333|  22.8k|                                             iter_t{other},
  334|  22.8k|                                             root,
  335|  22.8k|                                             shift,
  336|  22.8k|                                             tail_off))
  337|  12.7k|                    return false;
  338|  22.8k|            } else {
  339|    632|                if (!visit_maybe_relaxed_sub(root,
  ------------------
  |  Branch (339:21): [True: 227, False: 405]
  ------------------
  340|    632|                                             shift,
  341|    632|                                             tail_off,
  342|    632|                                             equals_visitor::rrb{},
  343|    632|                                             iter_t{*this},
  344|    632|                                             other.root,
  345|    632|                                             other.shift,
  346|    632|                                             tail_off_other))
  347|    227|                    return false;
  348|    632|            }
  349|  23.4k|        }
  350|  11.5k|        return tail_off == tail_off_other
  ------------------
  |  Branch (350:16): [True: 6.92k, False: 4.62k]
  ------------------
  351|  11.5k|                   ? make_leaf_sub_pos(tail, tail_size())
  352|  6.92k|                         .visit(equals_visitor{}, other.tail)
  353|  11.5k|               : tail_off > tail_off_other
  ------------------
  |  Branch (353:18): [True: 2.07k, False: 2.55k]
  ------------------
  354|  4.62k|                   ? std::equal(tail->leaf(),
  355|  2.07k|                                tail->leaf() + (size - tail_off),
  356|  2.07k|                                other.tail->leaf() +
  357|  2.07k|                                    (tail_off - tail_off_other))
  358|       |                   /* otherwise */
  359|  4.62k|                   : std::equal(tail->leaf(),
  360|  2.55k|                                tail->leaf() + (size - tail_off),
  361|  2.55k|                                iter_t{other} + tail_off);
  362|  24.5k|    }
_ZNK5immer6detail4rbts7rrbtreeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE10region_forEm:
  524|  1.18M|    {
  525|  1.18M|        using std::get;
  526|  1.18M|        auto tail_off = tail_offset();
  527|  1.18M|        if (idx >= tail_off) {
  ------------------
  |  Branch (527:13): [True: 4.32k, False: 1.18M]
  ------------------
  528|  4.32k|            return std::make_tuple(tail->leaf(), tail_off, size);
  529|  1.18M|        } else {
  530|  1.18M|            auto subs = visit_maybe_relaxed_sub(
  531|  1.18M|                root, shift, tail_off, region_for_visitor<T>(), idx);
  532|  1.18M|            auto first = idx - get<1>(subs);
  533|  1.18M|            auto end   = first + get<2>(subs);
  534|  1.18M|            return std::make_tuple(get<0>(subs), first, end);
  535|  1.18M|        }
  536|  1.18M|    }

_ZNK5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11dereferenceEv:
   90|  8.79M|    {
   91|  8.79M|        using std::get;
   92|  8.79M|        if (i_ < get<1>(curr_) || i_ >= get<2>(curr_))
  ------------------
  |  Branch (92:13): [True: 84.5k, False: 8.70M]
  |  Branch (92:35): [True: 1.10M, False: 7.60M]
  ------------------
   93|  1.18M|            curr_ = v_->region_for(i_);
   94|  8.79M|        return get<0>(curr_)[i_ - get<1>(curr_)];
   95|  8.79M|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7advanceEl:
   74|   190k|    {
   75|   190k|        using std::get;
   76|   190k|        assert(n <= 0 || i_ + static_cast<size_t>(n) <= v_->size);
  ------------------
  |  Branch (76:9): [True: 301, False: 189k]
  |  Branch (76:9): [True: 189k, False: 0]
  |  Branch (76:9): [True: 190k, False: 0]
  ------------------
   77|   190k|        assert(n >= 0 || static_cast<size_t>(-n) <= i_);
  ------------------
  |  Branch (77:9): [True: 190k, False: 0]
  |  Branch (77:9): [True: 0, False: 0]
  |  Branch (77:9): [True: 190k, False: 0]
  ------------------
   78|   190k|        i_ += n;
   79|   190k|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9incrementEv:
   60|  7.67M|    {
   61|  7.67M|        using std::get;
   62|  7.67M|        assert(i_ < v_->size);
  ------------------
  |  Branch (62:9): [True: 7.67M, False: 0]
  ------------------
   63|  7.67M|        ++i_;
   64|  7.67M|    }
_ZN5immer6detail4rbts16rrbtree_iteratorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2ERKNS1_7rrbtreeIiSA_Lj3ELj3EEE:
   39|  26.0k|        : v_{&v}
   40|  26.0k|        , i_{0}
   41|  26.0k|        , curr_{nullptr, ~size_t{}, ~size_t{}}
   42|  26.0k|    {
   43|  26.0k|    }

_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|  23.3k|    {
   32|  23.3k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  23.3k|    }
_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|  86.0k|    {
   32|  86.0k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  86.0k|    }
_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|  1.84k|    {
   38|  1.84k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.84k|    }
_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|  8.19k|    {
   38|  8.19k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  8.19k|    }
_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|  8.92k|    {
   38|  8.92k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  8.92k|    }
_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|    949|    {
   38|    949|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    949|    }
_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|  1.76k|    {
   38|  1.76k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.76k|    }
_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|  7.29k|    {
   38|  7.29k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  7.29k|    }
_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|  7.29k|    {
   44|  7.29k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  7.29k|    }
_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|  4.97k|    {
   32|  4.97k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  4.97k|    }
_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|  4.97k|    {
   44|  4.97k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  4.97k|    }
_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|  7.68M|    {
   50|  7.68M|        return Deriv::visit_node(std::forward<Args>(args)...);
   51|  7.68M|    }
_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|   110M|    {
   32|   110M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   110M|    }
_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|   110M|    {
   44|   110M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   110M|    }
_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|   110M|    {
   32|   110M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   110M|    }
_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|  16.5k|    {
   32|  16.5k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  16.5k|    }
_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|    291|    {
   38|    291|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    291|    }
_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|  1.04k|    {
   38|  1.04k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.04k|    }
_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|  5.83M|    {
   50|  5.83M|        return Deriv::visit_node(std::forward<Args>(args)...);
   51|  5.83M|    }
_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|   580k|    {
   38|   580k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   580k|    }
_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|   580k|    {
   44|   580k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|   580k|    }
_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|   580k|    {
   38|   580k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   580k|    }
_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|  4.10M|    {
   38|  4.10M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.10M|    }
_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|  4.10M|    {
   44|  4.10M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  4.10M|    }
_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|  4.10M|    {
   38|  4.10M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.10M|    }
_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|  2.32k|    {
   38|  2.32k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  2.32k|    }
_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|  2.32k|    {
   44|  2.32k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  2.32k|    }
_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|  1.06M|    {
   32|  1.06M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.06M|    }
_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|  1.06M|    {
   44|  1.06M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  1.06M|    }
_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|  1.06M|    {
   32|  1.06M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.06M|    }
_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|  1.06M|    {
   44|  1.06M|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  1.06M|    }
_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|  3.29M|    {
   32|  3.29M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  3.29M|    }
_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|  5.01k|    {
   38|  5.01k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  5.01k|    }
_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|  1.12M|    {
   32|  1.12M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.12M|    }
_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|   383k|    {
   38|   383k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   383k|    }
_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|  1.26k|    {
   38|  1.26k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.26k|    }
_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|  21.7k|    {
   38|  21.7k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  21.7k|    }
_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_8full_posISD_EEEEEDcDpOT_:
   37|  5.63k|    {
   38|  5.63k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  5.63k|    }
_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|  15.4k|    {
   38|  15.4k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  15.4k|    }
_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|  1.50M|    {
   38|  1.50M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.50M|    }
_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|  7.27M|    {
   32|  7.27M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  7.27M|    }
_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|    750|    {
   38|    750|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    750|    }
_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|  10.1k|    {
   32|  10.1k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  10.1k|    }
_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|  1.44k|    {
   38|  1.44k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  1.44k|    }
_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|    219|    {
   32|    219|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|    219|    }
_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|    455|    {
   32|    455|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|    455|    }
_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|  7.23M|    {
   32|  7.23M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  7.23M|    }
_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|  7.16k|    {
   38|  7.16k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  7.16k|    }
_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|  7.16k|    {
   44|  7.16k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  7.16k|    }
_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|  15.9k|    {
   38|  15.9k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  15.9k|    }
_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|  15.9k|    {
   44|  15.9k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  15.9k|    }
_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|  6.82k|    {
   32|  6.82k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  6.82k|    }
_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|  6.82k|    {
   44|  6.82k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  6.82k|    }
_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|  9.08k|    {
   38|  9.08k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  9.08k|    }
_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|  9.08k|    {
   44|  9.08k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  9.08k|    }
_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|  15.1k|    {
   32|  15.1k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  15.1k|    }
_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|  15.1k|    {
   44|  15.1k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  15.1k|    }
_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|  30.8k|    {
   32|  30.8k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  30.8k|    }
_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|  2.11k|    {
   32|  2.11k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  2.11k|    }
_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|    475|    {
   32|    475|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|    475|    }
_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|    857|    {
   38|    857|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    857|    }
_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|  4.26M|    {
   32|  4.26M|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  4.26M|    }
_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|   235k|    {
   38|   235k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   235k|    }
_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|   233k|    {
   38|   233k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|   233k|    }
_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|  32.5k|    {
   38|  32.5k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  32.5k|    }
_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|  16.5k|    {
   38|  16.5k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  16.5k|    }
_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|    826|    {
   38|    826|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|    826|    }
_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|  15.2k|    {
   38|  15.2k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  15.2k|    }
_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|  3.55k|    {
   38|  3.55k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.55k|    }
_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|  4.37k|    {
   38|  4.37k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  4.37k|    }
_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|  3.06k|    {
   38|  3.06k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  3.06k|    }
_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|   136k|    {
   32|   136k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|   136k|    }
_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|  1.24k|    {
   32|  1.24k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   33|  1.24k|    }
_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|  1.24k|    {
   44|  1.24k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  1.24k|    }
_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|  8.31k|    {
   38|  8.31k|        return Deriv::visit_inner(std::forward<Args>(args)...);
   39|  8.31k|    }
_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|  8.31k|    {
   44|  8.31k|        return Deriv::visit_node(std::forward<Args>(args)...);
   45|  8.31k|    }

_ZN5immer6detail15auto_const_castINS_22unsafe_refcount_policyEEERT_RKS3_:
  143|   466M|{
  144|   466M|    return const_cast<T&>(x);
  145|   466M|}
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7inner_tEPSC_Lb0EE15get_storage_ptrEv:
  113|   290M|    {
  114|   290M|        check_base();
  115|   290M|        auto* base = static_cast<Derived*>(this);
  116|   290M|        return reinterpret_cast<T*>(base + 1);
  117|   290M|    }
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE7inner_tEPSC_Lb0EE10check_baseEv:
  134|   290M|    {
  135|   290M|        static_assert(std::is_standard_layout<Derived>::value &&
  136|   290M|                          !std::is_empty<Derived>::value,
  137|   290M|                      "Please add 'true' if the derived class is emtpy");
  138|   290M|    }
_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|  33.8M|{
  335|  33.8M|}
_ZN5immer6detail9destroy_nIPijEENSt3__19enable_ifIX20can_trivially_detroyIT_EES5_E4typeES5_T0_:
  188|  1.59M|{
  189|  1.59M|    return first + n;
  190|  1.59M|}
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6leaf_tEiLb1EE15get_storage_ptrEv:
   75|  11.1M|    {
   76|  11.1M|        check_base();
   77|  11.1M|        return reinterpret_cast<T*>(this);
   78|  11.1M|    }
_ZN5immer6detail21with_trailing_storageINS0_4rbts4nodeIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6leaf_tEiLb1EE10check_baseEv:
   94|  11.1M|    {
   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|  11.1M|        static_assert(std::is_standard_layout<Derived>::value,
  100|  11.1M|                      "Please remove 'true' if the derived class is non emtpy");
  101|  11.1M|    }
_ZN5immer6detail18uninitialized_copyIPiS2_S2_EENSt3__19enable_ifIX18can_trivially_copyIT_T1_EES6_E4typeES5_T0_S6_:
  236|  2.13M|{
  237|  2.13M|    return std::copy(first, last, out);
  238|  2.13M|}
_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|   198k|{
  340|   198k|    return std::forward<F1>(f1)(empty_t{});
  341|   198k|}
_ZN5immer6detail4ipowImEET_S2_j:
  323|  51.3M|{
  324|  51.3M|    return pow == 0 ? 1 : num * ipow(num, pow - 1);
  ------------------
  |  Branch (324:12): [True: 2.44M, False: 48.8M]
  ------------------
  325|  51.3M|}
_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|   181k|{
  340|   181k|    return std::forward<F1>(f1)(empty_t{});
  341|   181k|}
_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|   136k|{
  335|   136k|}
_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|  25.5k|{
  340|  25.5k|    return std::forward<F1>(f1)(empty_t{});
  341|  25.5k|}
_ZN5immer6detail9destroy_nIPimEENSt3__19enable_ifIX20can_trivially_detroyIT_EES5_E4typeES5_T0_:
  188|    328|{
  189|    328|    return first + n;
  190|    328|}
_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|   162k|{
  340|   162k|    return std::forward<F1>(f1)(empty_t{});
  341|   162k|}
_ZN5immer6detail18uninitialized_moveIPiS2_EENSt3__19enable_ifIX18can_trivially_copyIT_T0_EES6_E4typeES5_S5_S6_:
  210|   106k|{
  211|   106k|    return std::copy(first, last, out);
  212|   106k|}
_ZN5immer6detail8as_constIiEEPKT_PS2_:
   29|  1.11M|{
   30|  1.11M|    return x;
   31|  1.11M|}
_ZN5immer6detail4makeINS_15debug_size_heapINS_8cpp_heapEEENS_3boxIiNS_13memory_policyINS_21free_list_heap_policyIS3_Lm1024EEENS_15refcount_policyENS_15spinlock_policyENS_20no_transience_policyELb0ELb1EEEE6holderEJiEEEPT0_DpOT1_:
  260|  15.7k|{
  261|  15.7k|    auto ptr = Heap::allocate(sizeof(T));
  262|  15.7k|    IMMER_TRY {
  ------------------
  |  |   49|  15.7k|#define IMMER_TRY try
  ------------------
  263|  15.7k|        return new (ptr) T(std::forward<Args>(args)...);
  264|  15.7k|    }
  265|  15.7k|    IMMER_CATCH (...) {
  266|      0|        Heap::deallocate(sizeof(T), ptr);
  267|      0|        IMMER_RETHROW;
  ------------------
  |  |   52|      0|#define IMMER_RETHROW throw
  ------------------
  268|      0|    }
  269|  15.7k|}

_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2Ev:
   96|  85.2k|    flex_vector() = default;
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_backEi:
  246|   324k|    {
  247|   324k|        return impl_.push_back(std::move(value));
  248|   324k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEC2ENS_6detail4rbts7rrbtreeIiS8_Lj3ELj3EEE:
  536|  1.19M|        : impl_(std::move(impl))
  537|  1.19M|    {
  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|  1.19M|    }
_ZNK5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4sizeEv:
  181|  4.06M|    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|   169k|    {
  324|   169k|        return impl_.update(index, std::forward<FnT>(fn));
  325|   169k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4takeEm:
  350|  24.6k|    {
  351|  24.6k|        return impl_.take(elems);
  352|  24.6k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4dropEm:
  376|  35.9k|    {
  377|  35.9k|        return impl_.drop(elems);
  378|  35.9k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE8max_sizeEv:
   90|  1.79M|    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|   643k|    {
  404|   643k|        return l.impl_.concat(r.impl_);
  405|   643k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9push_backEi:
  251|  40.0k|    {
  252|  40.0k|        return push_back_move(move_t{}, std::move(value));
  253|  40.0k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE14push_back_moveENSt3__117integral_constantIbLb1EEEi:
  547|  40.0k|    {
  548|  40.0k|        impl_.push_back_mut({}, std::move(value));
  549|  40.0k|        return std::move(*this);
  550|  40.0k|    }
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|  30.8k|    {
  330|  30.8k|        return update_move(move_t{}, index, std::forward<FnT>(fn));
  331|  30.8k|    }
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|  30.8k|    {
  569|  30.8k|        impl_.update_mut({}, index, std::forward<Fn>(fn));
  570|  30.8k|        return std::move(*this);
  571|  30.8k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4takeEm:
  355|  31.6k|    {
  356|  31.6k|        return take_move(move_t{}, elems);
  357|  31.6k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9take_moveENSt3__117integral_constantIbLb1EEEm:
  579|  31.6k|    {
  580|  31.6k|        impl_.take_mut({}, elems);
  581|  31.6k|        return std::move(*this);
  582|  31.6k|    }
_ZNO5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE4dropEm:
  381|  57.0k|    {
  382|  57.0k|        return drop_move(move_t{}, elems);
  383|  57.0k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE9drop_moveENSt3__117integral_constantIbLb1EEEm:
  589|  57.0k|    {
  590|  57.0k|        impl_.drop_mut({}, elems);
  591|  57.0k|        return std::move(*this);
  592|  57.0k|    }
_ZN5immerplEONS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEERKS9_:
  409|   209k|    {
  410|   209k|        return concat_move(move_t{}, std::move(l), r);
  411|   209k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEEOS9_RKS9_:
  600|   209k|    {
  601|   209k|        concat_mut_l(l.impl_, {}, r.impl_);
  602|   209k|        return std::move(l);
  603|   209k|    }
_ZN5immerplERKNS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEEOS9_:
  415|  3.98k|    {
  416|  3.98k|        return concat_move(move_t{}, l, std::move(r));
  417|  3.98k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEERKS9_OS9_:
  606|  3.98k|    {
  607|  3.98k|        concat_mut_r(l.impl_, r.impl_, {});
  608|  3.98k|        return std::move(r);
  609|  3.98k|    }
_ZN5immerplEONS_11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEESA_:
  421|   920k|    {
  422|   920k|        return concat_move(move_t{}, std::move(l), std::move(r));
  423|   920k|    }
_ZN5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE11concat_moveENSt3__117integral_constantIbLb1EEEOS9_SD_:
  612|   920k|    {
  613|   920k|        concat_mut_lr_l(l.impl_, {}, r.impl_, {});
  614|   920k|        return std::move(l);
  615|   920k|    }
_ZNK5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EEeqERKS9_:
  222|  80.8k|    {
  223|  80.8k|        return impl_.equals(other.impl_);
  224|  80.8k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE5eraseEm:
  480|  7.15k|    {
  481|  7.15k|        return take(pos) + drop(pos + 1);
  482|  7.15k|    }
_ZNKR5immer11flex_vectorIiNS_13memory_policyINS_11heap_policyINS_8cpp_heapEEENS_22unsafe_refcount_policyENS_14no_lock_policyENS_20no_transience_policyELb1ELb1EEELj3ELj3EE6insertEmi:
  442|  15.7k|    {
  443|  15.7k|        return take(pos).push_back(std::move(value)) + drop(pos);
  444|  15.7k|    }

_ZN5immer8cpp_heap10deallocateEmPv:
   36|  36.8M|    static void deallocate(std::size_t, void* data) { ::operator delete(data); }
_ZN5immer8cpp_heap8allocateIJEEEPvmDpT_:
   27|  36.8M|    {
   28|  36.8M|        return ::operator new(size);
   29|  36.8M|    }

_ZN5immer15debug_size_heapINS_8cpp_heapEE8allocateIJEEEPvmDpT_:
   49|  15.7k|    {
   50|  15.7k|        auto p = (std::size_t*) Base::allocate(size + extra_size, tags...);
   51|  15.7k|        new (p) std::size_t{size};
   52|  15.7k|        return ((char*) p) + extra_size;
   53|  15.7k|    }
_ZN5immer15debug_size_heapINS_8cpp_heapEE10deallocateIJEEEvmPvDpT_:
   57|  15.7k|    {
   58|  15.7k|        auto p = (std::size_t*) (((char*) data) - extra_size);
   59|  15.7k|        assert(*p == size);
  ------------------
  |  Branch (59:9): [True: 15.7k, False: 0]
  ------------------
   60|  15.7k|        Base::deallocate(size + extra_size, p, tags...);
   61|  15.7k|    }

_ZN5immer15refcount_policyC2Ev:
   28|  15.7k|        : refcount{1} {};
_ZN5immer15refcount_policy3decEv:
   36|  15.7k|    bool dec() { return 1 == refcount.fetch_sub(1, std::memory_order_acq_rel); }

_ZN5immer22unsafe_refcount_policyC2Ev:
   27|  36.8M|        : refcount{1} {};
_ZN5immer22unsafe_refcount_policy3incEv:
   33|   213M|    void inc() { ++refcount; }
_ZN5immer22unsafe_refcount_policy3decEv:
   34|   250M|    bool dec() { return --refcount == 0; }
_ZN5immer22unsafe_refcount_policy6uniqueEv:
   35|  2.54M|    bool unique() { return refcount == 1; }

_ZNK5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5ownee5ownedEv:
   36|  36.8M|                bool owned() const { return false; }
_ZNK5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5ownee10can_mutateENS6_4editE:
   35|   267k|                bool can_mutate(edit) const { return false; }
_ZN5immer20no_transience_policy5applyINS_11heap_policyINS_8cpp_heapEEEE4type5owneeaSENS6_4editE:
   34|   619k|                ownee& operator=(edit) { return *this; };

