[turbofan] Add JSStackCheck into loop bodies.

test/cctest/test-thread-termination.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 134 matching lines @@
   v8::HandleScope scope(CcTest::isolate());
   v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(
       CcTest::isolate(), TerminateCurrentThread, DoLoopNoCall);
   v8::Handle<v8::Context> context =
       v8::Context::New(CcTest::isolate(), NULL, global);
   v8::Context::Scope context_scope(context);
   CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
   // Run a loop that will be infinite if thread termination does not work.
   v8::Handle<v8::String> source = v8::String::NewFromUtf8(
       CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }");
-  i::FLAG_turbo_osr = false;  // TODO(titzer): interrupts in TF loops.
   v8::Script::Compile(source)->Run();
   CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
   // Test that we can run the code again after thread termination.
   v8::Script::Compile(source)->Run();
 }
 
 
 class TerminatorThread : public v8::base::Thread {
  public:
   explicit TerminatorThread(i::Isolate* isolate)
@@ skipping 20 matching lines @@
   v8::HandleScope scope(CcTest::isolate());
   v8::Handle<v8::ObjectTemplate> global =
       CreateGlobalTemplate(CcTest::isolate(), Signal, DoLoop);
   v8::Handle<v8::Context> context =
       v8::Context::New(CcTest::isolate(), NULL, global);
   v8::Context::Scope context_scope(context);
   CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
   // Run a loop that will be infinite if thread termination does not work.
   v8::Handle<v8::String> source = v8::String::NewFromUtf8(
       CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }");
-  i::FLAG_turbo_osr = false;  // TODO(titzer): interrupts in TF loops.
   v8::Script::Compile(source)->Run();
 
   thread.Join();
   delete semaphore;
   semaphore = NULL;
 }
 
 
 int call_count = 0;
 
@@ skipping 148 matching lines @@
 TEST(TerminateCancelTerminateFromThreadItself) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(
       isolate, TerminateCurrentThread, DoLoopCancelTerminate);
   v8::Handle<v8::Context> context = v8::Context::New(isolate, NULL, global);
   v8::Context::Scope context_scope(context);
   CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
   v8::Handle<v8::String> source = v8::String::NewFromUtf8(
       isolate, "try { doloop(); } catch(e) { fail(); } 'completed';");
-  i::FLAG_turbo_osr = false;  // TODO(titzer): interrupts in TF loops.
   // Check that execution completed with correct return value.
   CHECK(v8::Script::Compile(source)->Run()->Equals(v8_str("completed")));
 }
 
 
 void MicrotaskShouldNotRun(const v8::FunctionCallbackInfo<v8::Value>& info) {
   CHECK(false);
 }
 
 
 void MicrotaskLoopForever(const v8::FunctionCallbackInfo<v8::Value>& info) {
   v8::Isolate* isolate = info.GetIsolate();
   v8::HandleScope scope(isolate);
   // Enqueue another should-not-run task to ensure we clean out the queue
   // when we terminate.
   isolate->EnqueueMicrotask(v8::Function::New(isolate, MicrotaskShouldNotRun));
-  i::FLAG_turbo_osr = false;  // TODO(titzer): interrupts in TF loops.
   CompileRun("terminate(); while (true) { }");
   CHECK(v8::V8::IsExecutionTerminating());
 }
 
 
 TEST(TerminateFromOtherThreadWhileMicrotaskRunning) {
   semaphore = new v8::base::Semaphore(0);
   TerminatorThread thread(CcTest::i_isolate());
   thread.Start();
 
@@ skipping 109 matching lines @@
   v8::Handle<v8::ObjectTemplate> global_template = CreateGlobalTemplate(
       CcTest::isolate(), TerminateCurrentThread, DoLoopNoCall);
   global_template->Set(
       v8_str("inner_try_call_terminate"),
       v8::FunctionTemplate::New(isolate, InnerTryCallTerminate));
   v8::Handle<v8::Context> context =
       v8::Context::New(CcTest::isolate(), NULL, global_template);
   v8::Context::Scope context_scope(context);
   {
     v8::TryCatch try_catch;
-    i::FLAG_turbo_osr = false;  // TODO(titzer): interrupts in TF loops.
     CompileRun("inner_try_call_terminate()");
     CHECK(try_catch.HasTerminated());
   }
   CHECK_EQ(4, CompileRun("2 + 2")->ToInt32()->Int32Value());
   CHECK(!v8::V8::IsExecutionTerminating());
 }
 
 
 TEST(TerminateAndTryCall) {
   i::FLAG_allow_natives_syntax = true;
@@ skipping 12 matching lines @@
   CHECK(try_catch.HasCaught());
   CHECK(!v8::V8::IsExecutionTerminating(isolate));
   CHECK(CcTest::global()->Get(v8_str("terminate"))->IsFunction());
   // The first stack check after terminate has been re-requested fails.
   CHECK(CompileRun("1 + 1").IsEmpty());
   CHECK(!v8::V8::IsExecutionTerminating(isolate));
   // V8 then recovers.
   CHECK_EQ(4, CompileRun("2 + 2")->ToInt32()->Int32Value());
   CHECK(!v8::V8::IsExecutionTerminating(isolate));
 }