Line data Source code
1 : // Copyright 2012 the V8 project authors. All rights reserved.
2 : // Redistribution and use in source and binary forms, with or without
3 : // modification, are permitted provided that the following conditions are
4 : // met:
5 : //
6 : // * Redistributions of source code must retain the above copyright
7 : // notice, this list of conditions and the following disclaimer.
8 : // * Redistributions in binary form must reproduce the above
9 : // copyright notice, this list of conditions and the following
10 : // disclaimer in the documentation and/or other materials provided
11 : // with the distribution.
12 : // * Neither the name of Google Inc. nor the names of its
13 : // contributors may be used to endorse or promote products derived
14 : // from this software without specific prior written permission.
15 : //
16 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 :
28 : #include <stdlib.h>
29 : #include <wchar.h>
30 :
31 : #include "src/v8.h"
32 :
33 : #include "src/api-inl.h"
34 : #include "src/compilation-cache.h"
35 : #include "src/compiler.h"
36 : #include "src/disasm.h"
37 : #include "src/heap/factory.h"
38 : #include "src/interpreter/interpreter.h"
39 : #include "src/objects-inl.h"
40 : #include "test/cctest/cctest.h"
41 :
42 : namespace v8 {
43 : namespace internal {
44 :
45 30 : static Handle<Object> GetGlobalProperty(const char* name) {
46 : Isolate* isolate = CcTest::i_isolate();
47 60 : return JSReceiver::GetProperty(isolate, isolate->global_object(), name)
48 90 : .ToHandleChecked();
49 : }
50 :
51 20 : static void SetGlobalProperty(const char* name, Object value) {
52 : Isolate* isolate = CcTest::i_isolate();
53 : Handle<Object> object(value, isolate);
54 : Handle<String> internalized_name =
55 20 : isolate->factory()->InternalizeUtf8String(name);
56 40 : Handle<JSObject> global(isolate->context()->global_object(), isolate);
57 : Runtime::SetObjectProperty(isolate, global, internalized_name, object,
58 20 : LanguageMode::kSloppy, StoreOrigin::kMaybeKeyed)
59 40 : .Check();
60 20 : }
61 :
62 40 : static Handle<JSFunction> Compile(const char* source) {
63 : Isolate* isolate = CcTest::i_isolate();
64 : Handle<String> source_code = isolate->factory()->NewStringFromUtf8(
65 80 : CStrVector(source)).ToHandleChecked();
66 : Handle<SharedFunctionInfo> shared =
67 : Compiler::GetSharedFunctionInfoForScript(
68 : isolate, source_code, Compiler::ScriptDetails(),
69 : v8::ScriptOriginOptions(), nullptr, nullptr,
70 : v8::ScriptCompiler::kNoCompileOptions,
71 40 : ScriptCompiler::kNoCacheNoReason, NOT_NATIVES_CODE)
72 80 : .ToHandleChecked();
73 : return isolate->factory()->NewFunctionFromSharedFunctionInfo(
74 80 : shared, isolate->native_context());
75 : }
76 :
77 :
78 5 : static double Inc(Isolate* isolate, int x) {
79 : const char* source = "result = %d + 1;";
80 : EmbeddedVector<char, 512> buffer;
81 5 : SNPrintF(buffer, source, x);
82 :
83 5 : Handle<JSFunction> fun = Compile(buffer.start());
84 5 : if (fun.is_null()) return -1;
85 :
86 10 : Handle<JSObject> global(isolate->context()->global_object(), isolate);
87 10 : Execution::Call(isolate, fun, global, 0, nullptr).Check();
88 10 : return GetGlobalProperty("result")->Number();
89 : }
90 :
91 :
92 28342 : TEST(Inc) {
93 5 : CcTest::InitializeVM();
94 5 : v8::HandleScope scope(CcTest::isolate());
95 5 : CHECK_EQ(4.0, Inc(CcTest::i_isolate(), 3));
96 5 : }
97 :
98 :
99 5 : static double Add(Isolate* isolate, int x, int y) {
100 5 : Handle<JSFunction> fun = Compile("result = x + y;");
101 5 : if (fun.is_null()) return -1;
102 :
103 5 : SetGlobalProperty("x", Smi::FromInt(x));
104 5 : SetGlobalProperty("y", Smi::FromInt(y));
105 10 : Handle<JSObject> global(isolate->context()->global_object(), isolate);
106 10 : Execution::Call(isolate, fun, global, 0, nullptr).Check();
107 10 : return GetGlobalProperty("result")->Number();
108 : }
109 :
110 :
111 28342 : TEST(Add) {
112 5 : CcTest::InitializeVM();
113 5 : v8::HandleScope scope(CcTest::isolate());
114 5 : CHECK_EQ(5.0, Add(CcTest::i_isolate(), 2, 3));
115 5 : }
116 :
117 :
118 5 : static double Abs(Isolate* isolate, int x) {
119 5 : Handle<JSFunction> fun = Compile("if (x < 0) result = -x; else result = x;");
120 5 : if (fun.is_null()) return -1;
121 :
122 5 : SetGlobalProperty("x", Smi::FromInt(x));
123 10 : Handle<JSObject> global(isolate->context()->global_object(), isolate);
124 10 : Execution::Call(isolate, fun, global, 0, nullptr).Check();
125 10 : return GetGlobalProperty("result")->Number();
126 : }
127 :
128 :
129 28342 : TEST(Abs) {
130 5 : CcTest::InitializeVM();
131 5 : v8::HandleScope scope(CcTest::isolate());
132 5 : CHECK_EQ(3.0, Abs(CcTest::i_isolate(), -3));
133 5 : }
134 :
135 :
136 5 : static double Sum(Isolate* isolate, int n) {
137 : Handle<JSFunction> fun =
138 5 : Compile("s = 0; while (n > 0) { s += n; n -= 1; }; result = s;");
139 5 : if (fun.is_null()) return -1;
140 :
141 5 : SetGlobalProperty("n", Smi::FromInt(n));
142 10 : Handle<JSObject> global(isolate->context()->global_object(), isolate);
143 10 : Execution::Call(isolate, fun, global, 0, nullptr).Check();
144 10 : return GetGlobalProperty("result")->Number();
145 : }
146 :
147 :
148 28342 : TEST(Sum) {
149 5 : CcTest::InitializeVM();
150 5 : v8::HandleScope scope(CcTest::isolate());
151 5 : CHECK_EQ(5050.0, Sum(CcTest::i_isolate(), 100));
152 5 : }
153 :
154 :
155 28342 : TEST(Print) {
156 5 : v8::HandleScope scope(CcTest::isolate());
157 10 : v8::Local<v8::Context> context = CcTest::NewContext({PRINT_EXTENSION_ID});
158 : v8::Context::Scope context_scope(context);
159 : const char* source = "for (n = 0; n < 100; ++n) print(n, 1, 2);";
160 5 : Handle<JSFunction> fun = Compile(source);
161 10 : if (fun.is_null()) return;
162 10 : Handle<JSObject> global(CcTest::i_isolate()->context()->global_object(),
163 10 : fun->GetIsolate());
164 15 : Execution::Call(CcTest::i_isolate(), fun, global, 0, nullptr).Check();
165 : }
166 :
167 :
168 : // The following test method stems from my coding efforts today. It
169 : // tests all the functionality I have added to the compiler today
170 28342 : TEST(Stuff) {
171 5 : CcTest::InitializeVM();
172 5 : v8::HandleScope scope(CcTest::isolate());
173 : const char* source =
174 : "r = 0;\n"
175 : "a = new Object;\n"
176 : "if (a == a) r+=1;\n" // 1
177 : "if (a != new Object()) r+=2;\n" // 2
178 : "a.x = 42;\n"
179 : "if (a.x == 42) r+=4;\n" // 4
180 : "function foo() { var x = 87; return x; }\n"
181 : "if (foo() == 87) r+=8;\n" // 8
182 : "function bar() { var x; x = 99; return x; }\n"
183 : "if (bar() == 99) r+=16;\n" // 16
184 : "function baz() { var x = 1, y, z = 2; y = 3; return x + y + z; }\n"
185 : "if (baz() == 6) r+=32;\n" // 32
186 : "function Cons0() { this.x = 42; this.y = 87; }\n"
187 : "if (new Cons0().x == 42) r+=64;\n" // 64
188 : "if (new Cons0().y == 87) r+=128;\n" // 128
189 : "function Cons2(x, y) { this.sum = x + y; }\n"
190 : "if (new Cons2(3,4).sum == 7) r+=256;"; // 256
191 :
192 5 : Handle<JSFunction> fun = Compile(source);
193 5 : CHECK(!fun.is_null());
194 10 : Handle<JSObject> global(CcTest::i_isolate()->context()->global_object(),
195 10 : fun->GetIsolate());
196 10 : Execution::Call(CcTest::i_isolate(), fun, global, 0, nullptr).Check();
197 10 : CHECK_EQ(511.0, GetGlobalProperty("r")->Number());
198 5 : }
199 :
200 :
201 28342 : TEST(UncaughtThrow) {
202 5 : CcTest::InitializeVM();
203 5 : v8::HandleScope scope(CcTest::isolate());
204 :
205 : const char* source = "throw 42;";
206 5 : Handle<JSFunction> fun = Compile(source);
207 5 : CHECK(!fun.is_null());
208 : Isolate* isolate = fun->GetIsolate();
209 10 : Handle<JSObject> global(isolate->context()->global_object(), isolate);
210 10 : CHECK(Execution::Call(isolate, fun, global, 0, nullptr).is_null());
211 5 : CHECK_EQ(42.0, isolate->pending_exception()->Number());
212 5 : }
213 :
214 :
215 : // Tests calling a builtin function from C/C++ code, and the builtin function
216 : // performs GC. It creates a stack frame looks like following:
217 : // | C (PerformGC) |
218 : // | JS-to-C |
219 : // | JS |
220 : // | C-to-JS |
221 28342 : TEST(C2JSFrames) {
222 5 : FLAG_expose_gc = true;
223 5 : v8::HandleScope scope(CcTest::isolate());
224 : v8::Local<v8::Context> context =
225 10 : CcTest::NewContext({PRINT_EXTENSION_ID, GC_EXTENSION_ID});
226 : v8::Context::Scope context_scope(context);
227 :
228 : const char* source = "function foo(a) { gc(), print(a); }";
229 :
230 5 : Handle<JSFunction> fun0 = Compile(source);
231 5 : CHECK(!fun0.is_null());
232 : Isolate* isolate = fun0->GetIsolate();
233 :
234 : // Run the generated code to populate the global object with 'foo'.
235 10 : Handle<JSObject> global(isolate->context()->global_object(), isolate);
236 10 : Execution::Call(isolate, fun0, global, 0, nullptr).Check();
237 :
238 : Handle<Object> fun1 =
239 10 : JSReceiver::GetProperty(isolate, isolate->global_object(), "foo")
240 10 : .ToHandleChecked();
241 10 : CHECK(fun1->IsJSFunction());
242 :
243 : Handle<Object> argv[] = {
244 5 : isolate->factory()->InternalizeOneByteString(StaticCharVector("hello"))};
245 : Execution::Call(isolate,
246 : Handle<JSFunction>::cast(fun1),
247 : global,
248 : arraysize(argv),
249 20 : argv).Check();
250 5 : }
251 :
252 :
253 : // Regression 236. Calling InitLineEnds on a Script with undefined
254 : // source resulted in crash.
255 28342 : TEST(Regression236) {
256 5 : CcTest::InitializeVM();
257 : Isolate* isolate = CcTest::i_isolate();
258 : Factory* factory = isolate->factory();
259 5 : v8::HandleScope scope(CcTest::isolate());
260 :
261 5 : Handle<Script> script = factory->NewScript(factory->empty_string());
262 15 : script->set_source(ReadOnlyRoots(CcTest::heap()).undefined_value());
263 5 : CHECK_EQ(-1, Script::GetLineNumber(script, 0));
264 5 : CHECK_EQ(-1, Script::GetLineNumber(script, 100));
265 5 : CHECK_EQ(-1, Script::GetLineNumber(script, -1));
266 5 : }
267 :
268 :
269 28342 : TEST(GetScriptLineNumber) {
270 5 : LocalContext context;
271 10 : v8::HandleScope scope(CcTest::isolate());
272 5 : v8::ScriptOrigin origin = v8::ScriptOrigin(v8_str("test"));
273 5 : const char function_f[] = "function f() {}";
274 : const int max_rows = 1000;
275 : const int buffer_size = max_rows + sizeof(function_f);
276 : ScopedVector<char> buffer(buffer_size);
277 : memset(buffer.start(), '\n', buffer_size - 1);
278 5 : buffer[buffer_size - 1] = '\0';
279 :
280 5005 : for (int i = 0; i < max_rows; ++i) {
281 5000 : if (i > 0)
282 9990 : buffer[i - 1] = '\n';
283 5000 : MemCopy(&buffer[i], function_f, sizeof(function_f) - 1);
284 5000 : v8::Local<v8::String> script_body = v8_str(buffer.start());
285 5000 : v8::Script::Compile(context.local(), script_body, &origin)
286 5000 : .ToLocalChecked()
287 5000 : ->Run(context.local())
288 5000 : .ToLocalChecked();
289 : v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
290 25000 : context->Global()->Get(context.local(), v8_str("f")).ToLocalChecked());
291 5000 : CHECK_EQ(i, f->GetScriptLineNumber());
292 5 : }
293 5 : }
294 :
295 :
296 28342 : TEST(FeedbackVectorPreservedAcrossRecompiles) {
297 7 : if (i::FLAG_always_opt || !i::FLAG_opt) return;
298 3 : i::FLAG_allow_natives_syntax = true;
299 3 : CcTest::InitializeVM();
300 3 : if (!CcTest::i_isolate()->use_optimizer()) return;
301 3 : v8::HandleScope scope(CcTest::isolate());
302 3 : v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext();
303 :
304 : // Make sure function f has a call that uses a type feedback slot.
305 : CompileRun("function fun() {};"
306 : "fun1 = fun;"
307 : "function f(a) { a(); } f(fun1);");
308 :
309 : Handle<JSFunction> f = Handle<JSFunction>::cast(
310 : v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
311 12 : CcTest::global()->Get(context, v8_str("f")).ToLocalChecked())));
312 :
313 : // Verify that we gathered feedback.
314 6 : Handle<FeedbackVector> feedback_vector(f->feedback_vector(), f->GetIsolate());
315 3 : CHECK(!feedback_vector->is_empty());
316 : FeedbackSlot slot_for_a(0);
317 6 : MaybeObject object = feedback_vector->Get(slot_for_a);
318 : {
319 3 : HeapObject heap_object;
320 3 : CHECK(object->GetHeapObjectIfWeak(&heap_object));
321 3 : CHECK(heap_object->IsJSFunction());
322 : }
323 :
324 : CompileRun("%OptimizeFunctionOnNextCall(f); f(fun1);");
325 :
326 : // Verify that the feedback is still "gathered" despite a recompilation
327 : // of the full code.
328 3 : CHECK(f->IsOptimized());
329 6 : object = f->feedback_vector()->Get(slot_for_a);
330 : {
331 3 : HeapObject heap_object;
332 3 : CHECK(object->GetHeapObjectIfWeak(&heap_object));
333 3 : CHECK(heap_object->IsJSFunction());
334 3 : }
335 : }
336 :
337 :
338 28342 : TEST(FeedbackVectorUnaffectedByScopeChanges) {
339 5 : if (i::FLAG_always_opt || !i::FLAG_lazy || i::FLAG_lite_mode) {
340 1 : return;
341 : }
342 4 : CcTest::InitializeVM();
343 4 : v8::HandleScope scope(CcTest::isolate());
344 4 : v8::Local<v8::Context> context = CcTest::isolate()->GetCurrentContext();
345 :
346 : CompileRun("function builder() {"
347 : " call_target = function() { return 3; };"
348 : " return (function() {"
349 : " eval('');"
350 : " return function() {"
351 : " 'use strict';"
352 : " call_target();"
353 : " }"
354 : " })();"
355 : "}"
356 : "morphing_call = builder();");
357 :
358 : Handle<JSFunction> f = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
359 : *v8::Local<v8::Function>::Cast(CcTest::global()
360 12 : ->Get(context, v8_str("morphing_call"))
361 8 : .ToLocalChecked())));
362 :
363 : // If we are compiling lazily then it should not be compiled, and so no
364 : // feedback vector allocated yet.
365 4 : CHECK(!f->shared()->is_compiled());
366 :
367 : CompileRun("morphing_call();");
368 :
369 : // Now a feedback vector is allocated.
370 4 : CHECK(f->shared()->is_compiled());
371 8 : CHECK(!f->feedback_vector()->is_empty());
372 : }
373 :
374 : // Test that optimized code for different closures is actually shared.
375 28342 : TEST(OptimizedCodeSharing1) {
376 5 : FLAG_stress_compaction = false;
377 5 : FLAG_allow_natives_syntax = true;
378 5 : CcTest::InitializeVM();
379 5 : v8::HandleScope scope(CcTest::isolate());
380 20 : for (int i = 0; i < 3; i++) {
381 15 : LocalContext env;
382 : env->Global()
383 75 : ->Set(env.local(), v8_str("x"), v8::Integer::New(CcTest::isolate(), i))
384 30 : .FromJust();
385 : CompileRun(
386 : "function MakeClosure() {"
387 : " return function() { return x; };"
388 : "}"
389 : "var closure0 = MakeClosure();"
390 : "var closure1 = MakeClosure();" // We only share optimized code
391 : // if there are at least two closures.
392 : "%DebugPrint(closure0());"
393 : "%OptimizeFunctionOnNextCall(closure0);"
394 : "%DebugPrint(closure0());"
395 : "closure1();"
396 : "var closure2 = MakeClosure(); closure2();");
397 : Handle<JSFunction> fun1 = Handle<JSFunction>::cast(
398 : v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
399 : env->Global()
400 60 : ->Get(env.local(), v8_str("closure1"))
401 30 : .ToLocalChecked())));
402 : Handle<JSFunction> fun2 = Handle<JSFunction>::cast(
403 : v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
404 : env->Global()
405 60 : ->Get(env.local(), v8_str("closure2"))
406 30 : .ToLocalChecked())));
407 18 : CHECK(fun1->IsOptimized() || !CcTest::i_isolate()->use_optimizer());
408 18 : CHECK(fun2->IsOptimized() || !CcTest::i_isolate()->use_optimizer());
409 45 : CHECK_EQ(fun1->code(), fun2->code());
410 20 : }
411 5 : }
412 :
413 28342 : TEST(CompileFunctionInContext) {
414 6 : if (i::FLAG_always_opt) return;
415 4 : CcTest::InitializeVM();
416 4 : v8::HandleScope scope(CcTest::isolate());
417 8 : LocalContext env;
418 : CompileRun("var r = 10;");
419 : v8::Local<v8::Object> math = v8::Local<v8::Object>::Cast(
420 20 : env->Global()->Get(env.local(), v8_str("Math")).ToLocalChecked());
421 : v8::ScriptCompiler::Source script_source(v8_str(
422 : "a = PI * r * r;"
423 : "x = r * cos(PI);"
424 4 : "y = r * sin(PI / 2);"));
425 : v8::Local<v8::Function> fun =
426 : v8::ScriptCompiler::CompileFunctionInContext(env.local(), &script_source,
427 4 : 0, nullptr, 1, &math)
428 4 : .ToLocalChecked();
429 4 : CHECK(!fun.IsEmpty());
430 :
431 : i::DisallowCompilation no_compile(CcTest::i_isolate());
432 12 : fun->Call(env.local(), env->Global(), 0, nullptr).ToLocalChecked();
433 20 : CHECK(env->Global()->Has(env.local(), v8_str("a")).FromJust());
434 : v8::Local<v8::Value> a =
435 20 : env->Global()->Get(env.local(), v8_str("a")).ToLocalChecked();
436 4 : CHECK(a->IsNumber());
437 20 : CHECK(env->Global()->Has(env.local(), v8_str("x")).FromJust());
438 : v8::Local<v8::Value> x =
439 20 : env->Global()->Get(env.local(), v8_str("x")).ToLocalChecked();
440 4 : CHECK(x->IsNumber());
441 20 : CHECK(env->Global()->Has(env.local(), v8_str("y")).FromJust());
442 : v8::Local<v8::Value> y =
443 20 : env->Global()->Get(env.local(), v8_str("y")).ToLocalChecked();
444 4 : CHECK(y->IsNumber());
445 8 : CHECK_EQ(314.1592653589793, a->NumberValue(env.local()).FromJust());
446 8 : CHECK_EQ(-10.0, x->NumberValue(env.local()).FromJust());
447 12 : CHECK_EQ(10.0, y->NumberValue(env.local()).FromJust());
448 : }
449 :
450 :
451 28342 : TEST(CompileFunctionInContextComplex) {
452 5 : CcTest::InitializeVM();
453 5 : v8::HandleScope scope(CcTest::isolate());
454 10 : LocalContext env;
455 : CompileRun(
456 : "var x = 1;"
457 : "var y = 2;"
458 : "var z = 4;"
459 : "var a = {x: 8, y: 16};"
460 : "var b = {x: 32};");
461 15 : v8::Local<v8::Object> ext[2];
462 : ext[0] = v8::Local<v8::Object>::Cast(
463 25 : env->Global()->Get(env.local(), v8_str("a")).ToLocalChecked());
464 : ext[1] = v8::Local<v8::Object>::Cast(
465 25 : env->Global()->Get(env.local(), v8_str("b")).ToLocalChecked());
466 5 : v8::ScriptCompiler::Source script_source(v8_str("result = x + y + z"));
467 : v8::Local<v8::Function> fun =
468 : v8::ScriptCompiler::CompileFunctionInContext(env.local(), &script_source,
469 5 : 0, nullptr, 2, ext)
470 5 : .ToLocalChecked();
471 5 : CHECK(!fun.IsEmpty());
472 15 : fun->Call(env.local(), env->Global(), 0, nullptr).ToLocalChecked();
473 25 : CHECK(env->Global()->Has(env.local(), v8_str("result")).FromJust());
474 : v8::Local<v8::Value> result =
475 25 : env->Global()->Get(env.local(), v8_str("result")).ToLocalChecked();
476 5 : CHECK(result->IsNumber());
477 15 : CHECK_EQ(52.0, result->NumberValue(env.local()).FromJust());
478 5 : }
479 :
480 :
481 28342 : TEST(CompileFunctionInContextArgs) {
482 5 : CcTest::InitializeVM();
483 5 : v8::HandleScope scope(CcTest::isolate());
484 10 : LocalContext env;
485 : CompileRun("var a = {x: 23};");
486 10 : v8::Local<v8::Object> ext[1];
487 : ext[0] = v8::Local<v8::Object>::Cast(
488 25 : env->Global()->Get(env.local(), v8_str("a")).ToLocalChecked());
489 5 : v8::ScriptCompiler::Source script_source(v8_str("result = x + abc"));
490 5 : v8::Local<v8::String> arg = v8_str("abc");
491 : v8::Local<v8::Function> fun =
492 : v8::ScriptCompiler::CompileFunctionInContext(env.local(), &script_source,
493 5 : 1, &arg, 1, ext)
494 5 : .ToLocalChecked();
495 20 : CHECK_EQ(1, fun->Get(env.local(), v8_str("length"))
496 : .ToLocalChecked()
497 : ->ToInt32(env.local())
498 : .ToLocalChecked()
499 : ->Value());
500 5 : v8::Local<v8::Value> arg_value = v8::Number::New(CcTest::isolate(), 42.0);
501 15 : fun->Call(env.local(), env->Global(), 1, &arg_value).ToLocalChecked();
502 25 : CHECK(env->Global()->Has(env.local(), v8_str("result")).FromJust());
503 : v8::Local<v8::Value> result =
504 25 : env->Global()->Get(env.local(), v8_str("result")).ToLocalChecked();
505 5 : CHECK(result->IsNumber());
506 15 : CHECK_EQ(65.0, result->NumberValue(env.local()).FromJust());
507 5 : }
508 :
509 :
510 28342 : TEST(CompileFunctionInContextComments) {
511 5 : CcTest::InitializeVM();
512 5 : v8::HandleScope scope(CcTest::isolate());
513 10 : LocalContext env;
514 : CompileRun("var a = {x: 23, y: 1, z: 2};");
515 10 : v8::Local<v8::Object> ext[1];
516 : ext[0] = v8::Local<v8::Object>::Cast(
517 25 : env->Global()->Get(env.local(), v8_str("a")).ToLocalChecked());
518 : v8::Local<v8::String> source =
519 : CompileRun("'result = /* y + */ x + a\\u4e00 // + z'").As<v8::String>();
520 : v8::ScriptCompiler::Source script_source(source);
521 5 : v8::Local<v8::String> arg = CompileRun("'a\\u4e00'").As<v8::String>();
522 : v8::Local<v8::Function> fun =
523 : v8::ScriptCompiler::CompileFunctionInContext(env.local(), &script_source,
524 5 : 1, &arg, 1, ext)
525 5 : .ToLocalChecked();
526 5 : CHECK(!fun.IsEmpty());
527 5 : v8::Local<v8::Value> arg_value = v8::Number::New(CcTest::isolate(), 42.0);
528 15 : fun->Call(env.local(), env->Global(), 1, &arg_value).ToLocalChecked();
529 25 : CHECK(env->Global()->Has(env.local(), v8_str("result")).FromJust());
530 : v8::Local<v8::Value> result =
531 25 : env->Global()->Get(env.local(), v8_str("result")).ToLocalChecked();
532 5 : CHECK(result->IsNumber());
533 15 : CHECK_EQ(65.0, result->NumberValue(env.local()).FromJust());
534 5 : }
535 :
536 :
537 28342 : TEST(CompileFunctionInContextNonIdentifierArgs) {
538 5 : CcTest::InitializeVM();
539 5 : v8::HandleScope scope(CcTest::isolate());
540 10 : LocalContext env;
541 5 : v8::ScriptCompiler::Source script_source(v8_str("result = 1"));
542 5 : v8::Local<v8::String> arg = v8_str("b }");
543 10 : CHECK(v8::ScriptCompiler::CompileFunctionInContext(
544 : env.local(), &script_source, 1, &arg, 0, nullptr)
545 5 : .IsEmpty());
546 5 : }
547 :
548 28342 : TEST(CompileFunctionInContextRenderCallSite) {
549 5 : CcTest::InitializeVM();
550 5 : v8::HandleScope scope(CcTest::isolate());
551 10 : LocalContext env;
552 : static const char* source1 =
553 : "try {"
554 : " var a = [];"
555 : " a[0]();"
556 : "} catch (e) {"
557 : " return e.toString();"
558 : "}";
559 : static const char* expect1 = "TypeError: a[0] is not a function";
560 : static const char* source2 =
561 : "try {"
562 : " (function() {"
563 : " var a = [];"
564 : " a[0]();"
565 : " })()"
566 : "} catch (e) {"
567 : " return e.toString();"
568 : "}";
569 : static const char* expect2 = "TypeError: a[0] is not a function";
570 : {
571 5 : v8::ScriptCompiler::Source script_source(v8_str(source1));
572 : v8::Local<v8::Function> fun =
573 : v8::ScriptCompiler::CompileFunctionInContext(
574 5 : env.local(), &script_source, 0, nullptr, 0, nullptr)
575 5 : .ToLocalChecked();
576 5 : CHECK(!fun.IsEmpty());
577 : v8::Local<v8::Value> result =
578 15 : fun->Call(env.local(), env->Global(), 0, nullptr).ToLocalChecked();
579 5 : CHECK(result->IsString());
580 15 : CHECK(v8::Local<v8::String>::Cast(result)
581 : ->Equals(env.local(), v8_str(expect1))
582 : .FromJust());
583 : }
584 : {
585 5 : v8::ScriptCompiler::Source script_source(v8_str(source2));
586 : v8::Local<v8::Function> fun =
587 : v8::ScriptCompiler::CompileFunctionInContext(
588 5 : env.local(), &script_source, 0, nullptr, 0, nullptr)
589 5 : .ToLocalChecked();
590 : v8::Local<v8::Value> result =
591 15 : fun->Call(env.local(), env->Global(), 0, nullptr).ToLocalChecked();
592 5 : CHECK(result->IsString());
593 15 : CHECK(v8::Local<v8::String>::Cast(result)
594 : ->Equals(env.local(), v8_str(expect2))
595 : .FromJust());
596 5 : }
597 5 : }
598 :
599 28342 : TEST(CompileFunctionInContextQuirks) {
600 5 : CcTest::InitializeVM();
601 5 : v8::HandleScope scope(CcTest::isolate());
602 10 : LocalContext env;
603 : {
604 : static const char* source =
605 : "[x, y] = ['ab', 'cd'];"
606 : "return x + y";
607 : static const char* expect = "abcd";
608 5 : v8::ScriptCompiler::Source script_source(v8_str(source));
609 : v8::Local<v8::Function> fun =
610 : v8::ScriptCompiler::CompileFunctionInContext(
611 5 : env.local(), &script_source, 0, nullptr, 0, nullptr)
612 5 : .ToLocalChecked();
613 : v8::Local<v8::Value> result =
614 15 : fun->Call(env.local(), env->Global(), 0, nullptr).ToLocalChecked();
615 5 : CHECK(result->IsString());
616 15 : CHECK(v8::Local<v8::String>::Cast(result)
617 : ->Equals(env.local(), v8_str(expect))
618 : .FromJust());
619 : }
620 : {
621 : static const char* source = "'use strict'; var a = 077";
622 5 : v8::ScriptCompiler::Source script_source(v8_str(source));
623 10 : v8::TryCatch try_catch(CcTest::isolate());
624 10 : CHECK(v8::ScriptCompiler::CompileFunctionInContext(
625 : env.local(), &script_source, 0, nullptr, 0, nullptr)
626 : .IsEmpty());
627 5 : CHECK(try_catch.HasCaught());
628 : }
629 : {
630 : static const char* source = "{ let x; { var x } }";
631 5 : v8::ScriptCompiler::Source script_source(v8_str(source));
632 10 : v8::TryCatch try_catch(CcTest::isolate());
633 10 : CHECK(v8::ScriptCompiler::CompileFunctionInContext(
634 : env.local(), &script_source, 0, nullptr, 0, nullptr)
635 : .IsEmpty());
636 5 : CHECK(try_catch.HasCaught());
637 5 : }
638 5 : }
639 :
640 28342 : TEST(CompileFunctionInContextScriptOrigin) {
641 5 : CcTest::InitializeVM();
642 5 : v8::HandleScope scope(CcTest::isolate());
643 10 : LocalContext env;
644 : v8::ScriptOrigin origin(v8_str("test"),
645 : v8::Integer::New(CcTest::isolate(), 22),
646 5 : v8::Integer::New(CcTest::isolate(), 41));
647 5 : v8::ScriptCompiler::Source script_source(v8_str("throw new Error()"), origin);
648 : v8::Local<v8::Function> fun =
649 : v8::ScriptCompiler::CompileFunctionInContext(env.local(), &script_source,
650 5 : 0, nullptr, 0, nullptr)
651 5 : .ToLocalChecked();
652 5 : CHECK(!fun.IsEmpty());
653 10 : v8::TryCatch try_catch(CcTest::isolate());
654 5 : CcTest::isolate()->SetCaptureStackTraceForUncaughtExceptions(true);
655 15 : CHECK(fun->Call(env.local(), env->Global(), 0, nullptr).IsEmpty());
656 5 : CHECK(try_catch.HasCaught());
657 10 : CHECK(!try_catch.Exception().IsEmpty());
658 : v8::Local<v8::StackTrace> stack =
659 5 : v8::Exception::GetStackTrace(try_catch.Exception());
660 5 : CHECK(!stack.IsEmpty());
661 5 : CHECK_GT(stack->GetFrameCount(), 0);
662 5 : v8::Local<v8::StackFrame> frame = stack->GetFrame(CcTest::isolate(), 0);
663 5 : CHECK_EQ(23, frame->GetLineNumber());
664 10 : CHECK_EQ(42 + strlen("throw "), static_cast<unsigned>(frame->GetColumn()));
665 5 : }
666 :
667 5 : void TestCompileFunctionInContextToStringImpl() {
668 : #define CHECK_NOT_CAUGHT(__local_context__, try_catch, __op__) \
669 : do { \
670 : const char* op = (__op__); \
671 : v8::Local<v8::Context> context = (__local_context__); \
672 : if (try_catch.HasCaught()) { \
673 : v8::String::Utf8Value error( \
674 : CcTest::isolate(), \
675 : try_catch.Exception()->ToString(context).ToLocalChecked()); \
676 : V8_Fatal(__FILE__, __LINE__, \
677 : "Unexpected exception thrown during %s:\n\t%s\n", op, *error); \
678 : } \
679 : } while (false)
680 :
681 : { // NOLINT
682 5 : CcTest::InitializeVM();
683 5 : v8::HandleScope scope(CcTest::isolate());
684 10 : LocalContext env;
685 :
686 : // Regression test for v8:6190
687 : {
688 5 : v8::ScriptOrigin origin(v8_str("test"), v8_int(22), v8_int(41));
689 5 : v8::ScriptCompiler::Source script_source(v8_str("return event"), origin);
690 :
691 5 : v8::Local<v8::String> params[] = {v8_str("event")};
692 10 : v8::TryCatch try_catch(CcTest::isolate());
693 : v8::MaybeLocal<v8::Function> maybe_fun =
694 : v8::ScriptCompiler::CompileFunctionInContext(
695 : env.local(), &script_source, arraysize(params), params, 0,
696 5 : nullptr);
697 :
698 5 : CHECK_NOT_CAUGHT(env.local(), try_catch,
699 : "v8::ScriptCompiler::CompileFunctionInContext");
700 :
701 : v8::Local<v8::Function> fun = maybe_fun.ToLocalChecked();
702 5 : CHECK(!fun.IsEmpty());
703 5 : CHECK(!try_catch.HasCaught());
704 : v8::Local<v8::String> result =
705 5 : fun->ToString(env.local()).ToLocalChecked();
706 : v8::Local<v8::String> expected = v8_str(
707 : "function (event) {\n"
708 : "return event\n"
709 5 : "}");
710 15 : CHECK(expected->Equals(env.local(), result).FromJust());
711 : }
712 :
713 : // With no parameters:
714 : {
715 5 : v8::ScriptOrigin origin(v8_str("test"), v8_int(17), v8_int(31));
716 5 : v8::ScriptCompiler::Source script_source(v8_str("return 0"), origin);
717 :
718 10 : v8::TryCatch try_catch(CcTest::isolate());
719 : v8::MaybeLocal<v8::Function> maybe_fun =
720 : v8::ScriptCompiler::CompileFunctionInContext(
721 5 : env.local(), &script_source, 0, nullptr, 0, nullptr);
722 :
723 5 : CHECK_NOT_CAUGHT(env.local(), try_catch,
724 : "v8::ScriptCompiler::CompileFunctionInContext");
725 :
726 : v8::Local<v8::Function> fun = maybe_fun.ToLocalChecked();
727 5 : CHECK(!fun.IsEmpty());
728 5 : CHECK(!try_catch.HasCaught());
729 : v8::Local<v8::String> result =
730 5 : fun->ToString(env.local()).ToLocalChecked();
731 : v8::Local<v8::String> expected = v8_str(
732 : "function () {\n"
733 : "return 0\n"
734 5 : "}");
735 15 : CHECK(expected->Equals(env.local(), result).FromJust());
736 : }
737 :
738 : // With a name:
739 : {
740 5 : v8::ScriptOrigin origin(v8_str("test"), v8_int(17), v8_int(31));
741 5 : v8::ScriptCompiler::Source script_source(v8_str("return 0"), origin);
742 :
743 10 : v8::TryCatch try_catch(CcTest::isolate());
744 : v8::MaybeLocal<v8::Function> maybe_fun =
745 : v8::ScriptCompiler::CompileFunctionInContext(
746 5 : env.local(), &script_source, 0, nullptr, 0, nullptr);
747 :
748 5 : CHECK_NOT_CAUGHT(env.local(), try_catch,
749 : "v8::ScriptCompiler::CompileFunctionInContext");
750 :
751 : v8::Local<v8::Function> fun = maybe_fun.ToLocalChecked();
752 5 : CHECK(!fun.IsEmpty());
753 5 : CHECK(!try_catch.HasCaught());
754 :
755 5 : fun->SetName(v8_str("onclick"));
756 :
757 : v8::Local<v8::String> result =
758 5 : fun->ToString(env.local()).ToLocalChecked();
759 : v8::Local<v8::String> expected = v8_str(
760 : "function onclick() {\n"
761 : "return 0\n"
762 5 : "}");
763 15 : CHECK(expected->Equals(env.local(), result).FromJust());
764 5 : }
765 : }
766 : #undef CHECK_NOT_CAUGHT
767 5 : }
768 :
769 28342 : TEST(CompileFunctionInContextFunctionToString) {
770 5 : TestCompileFunctionInContextToStringImpl();
771 5 : }
772 :
773 28342 : TEST(InvocationCount) {
774 5 : if (FLAG_lite_mode) return;
775 5 : FLAG_allow_natives_syntax = true;
776 5 : FLAG_always_opt = false;
777 5 : CcTest::InitializeVM();
778 5 : v8::HandleScope scope(CcTest::isolate());
779 :
780 : CompileRun(
781 : "function bar() {};"
782 : "function foo() { return bar(); };"
783 : "foo();");
784 5 : Handle<JSFunction> foo = Handle<JSFunction>::cast(GetGlobalProperty("foo"));
785 10 : CHECK_EQ(1, foo->feedback_vector()->invocation_count());
786 : CompileRun("foo()");
787 10 : CHECK_EQ(2, foo->feedback_vector()->invocation_count());
788 : CompileRun("bar()");
789 10 : CHECK_EQ(2, foo->feedback_vector()->invocation_count());
790 : CompileRun("foo(); foo()");
791 10 : CHECK_EQ(4, foo->feedback_vector()->invocation_count());
792 : }
793 :
794 28342 : TEST(ShallowEagerCompilation) {
795 5 : i::FLAG_always_opt = false;
796 5 : CcTest::InitializeVM();
797 5 : LocalContext env;
798 : i::Isolate* isolate = CcTest::i_isolate();
799 10 : v8::HandleScope scope(CcTest::isolate());
800 : v8::Local<v8::String> source = v8_str(
801 : "function f(x) {"
802 : " return x + x;"
803 : "}"
804 5 : "f(2)");
805 : v8::ScriptCompiler::Source script_source(source);
806 : v8::Local<v8::Script> script =
807 : v8::ScriptCompiler::Compile(env.local(), &script_source,
808 5 : v8::ScriptCompiler::kEagerCompile)
809 5 : .ToLocalChecked();
810 : {
811 : v8::internal::DisallowCompilation no_compile_expected(isolate);
812 5 : v8::Local<v8::Value> result = script->Run(env.local()).ToLocalChecked();
813 10 : CHECK_EQ(4, result->Int32Value(env.local()).FromJust());
814 5 : }
815 5 : }
816 :
817 28342 : TEST(DeepEagerCompilation) {
818 5 : i::FLAG_always_opt = false;
819 5 : CcTest::InitializeVM();
820 5 : LocalContext env;
821 : i::Isolate* isolate = CcTest::i_isolate();
822 10 : v8::HandleScope scope(CcTest::isolate());
823 : v8::Local<v8::String> source = v8_str(
824 : "function f(x) {"
825 : " function g(x) {"
826 : " function h(x) {"
827 : " return x ** x;"
828 : " }"
829 : " return h(x) * h(x);"
830 : " }"
831 : " return g(x) + g(x);"
832 : "}"
833 5 : "f(2)");
834 : v8::ScriptCompiler::Source script_source(source);
835 : v8::Local<v8::Script> script =
836 : v8::ScriptCompiler::Compile(env.local(), &script_source,
837 5 : v8::ScriptCompiler::kEagerCompile)
838 5 : .ToLocalChecked();
839 : {
840 : v8::internal::DisallowCompilation no_compile_expected(isolate);
841 5 : v8::Local<v8::Value> result = script->Run(env.local()).ToLocalChecked();
842 10 : CHECK_EQ(32, result->Int32Value(env.local()).FromJust());
843 5 : }
844 5 : }
845 :
846 28342 : TEST(DeepEagerCompilationPeakMemory) {
847 5 : i::FLAG_always_opt = false;
848 5 : CcTest::InitializeVM();
849 5 : LocalContext env;
850 10 : v8::HandleScope scope(CcTest::isolate());
851 : v8::Local<v8::String> source = v8_str(
852 : "function f() {"
853 : " function g1() {"
854 : " function h1() {"
855 : " function i1() {}"
856 : " function i2() {}"
857 : " }"
858 : " function h2() {"
859 : " function i1() {}"
860 : " function i2() {}"
861 : " }"
862 : " }"
863 : " function g2() {"
864 : " function h1() {"
865 : " function i1() {}"
866 : " function i2() {}"
867 : " }"
868 : " function h2() {"
869 : " function i1() {}"
870 : " function i2() {}"
871 : " }"
872 : " }"
873 5 : "}");
874 : v8::ScriptCompiler::Source script_source(source);
875 5 : CcTest::i_isolate()->compilation_cache()->Disable();
876 :
877 5 : v8::HeapStatistics heap_statistics;
878 5 : CcTest::isolate()->GetHeapStatistics(&heap_statistics);
879 5 : size_t peak_mem_1 = heap_statistics.peak_malloced_memory();
880 : printf("peak memory after init: %8zu\n", peak_mem_1);
881 :
882 : v8::ScriptCompiler::Compile(env.local(), &script_source,
883 5 : v8::ScriptCompiler::kNoCompileOptions)
884 5 : .ToLocalChecked();
885 :
886 5 : CcTest::isolate()->GetHeapStatistics(&heap_statistics);
887 5 : size_t peak_mem_2 = heap_statistics.peak_malloced_memory();
888 : printf("peak memory after lazy compile: %8zu\n", peak_mem_2);
889 :
890 : v8::ScriptCompiler::Compile(env.local(), &script_source,
891 5 : v8::ScriptCompiler::kNoCompileOptions)
892 5 : .ToLocalChecked();
893 :
894 5 : CcTest::isolate()->GetHeapStatistics(&heap_statistics);
895 5 : size_t peak_mem_3 = heap_statistics.peak_malloced_memory();
896 : printf("peak memory after lazy compile: %8zu\n", peak_mem_3);
897 :
898 : v8::ScriptCompiler::Compile(env.local(), &script_source,
899 5 : v8::ScriptCompiler::kEagerCompile)
900 5 : .ToLocalChecked();
901 :
902 5 : CcTest::isolate()->GetHeapStatistics(&heap_statistics);
903 5 : size_t peak_mem_4 = heap_statistics.peak_malloced_memory();
904 : printf("peak memory after eager compile: %8zu\n", peak_mem_4);
905 :
906 5 : CHECK_LE(peak_mem_1, peak_mem_2);
907 5 : CHECK_EQ(peak_mem_2, peak_mem_3);
908 5 : CHECK_LE(peak_mem_3, peak_mem_4);
909 : // Check that eager compilation does not cause significantly higher (+100%)
910 : // peak memory than lazy compilation.
911 10 : CHECK_LE(peak_mem_4 - peak_mem_3, peak_mem_3);
912 5 : }
913 :
914 : // TODO(mslekova): Remove the duplication with test-heap.cc
915 2 : static int AllocationSitesCount(Heap* heap) {
916 : int count = 0;
917 5 : for (Object site = heap->allocation_sites_list(); site->IsAllocationSite();) {
918 1 : AllocationSite cur = AllocationSite::cast(site);
919 1 : CHECK(cur->HasWeakNext());
920 1 : site = cur->weak_next();
921 1 : count++;
922 : }
923 2 : return count;
924 : }
925 :
926 : // This test simulates a specific race-condition if GC is triggered just
927 : // before CompilationDependencies::Commit is finished, and this changes
928 : // the pretenuring decision, thus causing a deoptimization.
929 28341 : TEST(DecideToPretenureDuringCompilation) {
930 : // The test makes use of optimization and relies on deterministic
931 : // compilation.
932 4 : if (!i::FLAG_opt || i::FLAG_always_opt ||
933 1 : i::FLAG_stress_incremental_marking || i::FLAG_optimize_for_size
934 : #ifdef ENABLE_MINOR_MC
935 1 : || i::FLAG_minor_mc
936 : #endif
937 : )
938 3 : return;
939 :
940 1 : FLAG_stress_gc_during_compilation = true;
941 1 : FLAG_allow_natives_syntax = true;
942 1 : FLAG_allocation_site_pretenuring = true;
943 1 : FLAG_flush_bytecode = false;
944 :
945 : // We want to trigger exactly 1 optimization.
946 1 : FLAG_use_osr = false;
947 :
948 : // We'll do manual initialization.
949 : ManualGCScope manual_gc_scope;
950 : v8::Isolate::CreateParams create_params;
951 :
952 : // This setting ensures Heap::MaximumSizeScavenge will return `true`.
953 : // We need to initialize the heap with at least 1 page, while keeping the
954 : // limit low, to ensure the new space fills even on 32-bit architectures.
955 : create_params.constraints.set_max_semi_space_size_in_kb(Page::kPageSize /
956 : 1024);
957 1 : create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
958 1 : v8::Isolate* isolate = v8::Isolate::New(create_params);
959 :
960 1 : isolate->Enter();
961 : {
962 1 : i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
963 1 : Heap* heap = i_isolate->heap();
964 : GlobalHandles* global_handles = i_isolate->global_handles();
965 : HandleScope handle_scope(i_isolate);
966 :
967 : // The allocation site at the head of the list is ours.
968 : Handle<AllocationSite> site;
969 : {
970 : LocalContext context(isolate);
971 2 : v8::HandleScope scope(context->GetIsolate());
972 :
973 1 : int count = AllocationSitesCount(heap);
974 : CompileRun(
975 : "let arr = [];"
976 : "function foo(shouldKeep) {"
977 : " let local_array = new Array();"
978 : " if (shouldKeep) arr.push(local_array);"
979 : "}"
980 : "function bar(shouldKeep) {"
981 : " for (let i = 0; i < 10000; i++) {"
982 : " foo(shouldKeep);"
983 : " }"
984 : "}"
985 : "bar();");
986 :
987 : // This number should be >= kPretenureRatio * 10000,
988 : // where 10000 is the number of iterations in `bar`,
989 : // in order to make the ratio in DigestPretenuringFeedback close to 1.
990 : const int memento_found_bump = 8500;
991 :
992 : // One allocation site should have been created.
993 1 : int new_count = AllocationSitesCount(heap);
994 1 : CHECK_EQ(new_count, (count + 1));
995 : site = Handle<AllocationSite>::cast(global_handles->Create(
996 1 : AllocationSite::cast(heap->allocation_sites_list())));
997 : site->set_memento_found_count(memento_found_bump);
998 :
999 : CompileRun("%OptimizeFunctionOnNextCall(bar);");
1000 : CompileRun("bar(true);");
1001 :
1002 : // The last call should have caused `foo` to bail out of compilation
1003 : // due to dependency change (the pretenuring decision in this case).
1004 : // This will cause recompilation.
1005 :
1006 : // Check `bar` can get optimized again, meaning the compiler state is
1007 : // recoverable from this point.
1008 : CompileRun("%OptimizeFunctionOnNextCall(bar);");
1009 : CompileRun("bar();");
1010 :
1011 : Handle<Object> foo_obj =
1012 2 : JSReceiver::GetProperty(i_isolate, i_isolate->global_object(), "bar")
1013 2 : .ToHandleChecked();
1014 1 : Handle<JSFunction> bar = Handle<JSFunction>::cast(foo_obj);
1015 :
1016 2 : CHECK(bar->IsOptimized());
1017 : }
1018 : }
1019 1 : isolate->Exit();
1020 1 : isolate->Dispose();
1021 : }
1022 :
1023 : } // namespace internal
1024 85011 : } // namespace v8
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