Initial shot at deoptimizing JSCallFunction in Turbofan.

test/cctest/test-deoptimization.cc

 // Copyright 2012 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 95 matching lines @@
 
 static Handle<JSFunction> GetJSFunction(v8::Handle<v8::Object> obj,
                                         const char* property_name) {
   v8::Local<v8::Function> fun =
       v8::Local<v8::Function>::Cast(obj->Get(v8_str(property_name)));
   return v8::Utils::OpenHandle(*fun);
 }
 
 
 TEST(DeoptimizeSimple) {
+  i::FLAG_turbo_deoptimization = true;
+
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   // Test lazy deoptimization of a simple function.
   {
     AlwaysOptimizeAllowNativesSyntaxNoInlining options;
     CompileRun(
         "var count = 0;"
         "function h() { %DeoptimizeFunction(f); }"
         "function g() { count++; h(); }"
@@ skipping 18 matching lines @@
   }
   NonIncrementalGC();
 
   CHECK_EQ(1, env->Global()->Get(v8_str("count"))->Int32Value());
   CHECK(!GetJSFunction(env->Global(), "f")->IsOptimized());
   CHECK_EQ(0, Deoptimizer::GetDeoptimizedCodeCount(CcTest::i_isolate()));
 }
 
 
 TEST(DeoptimizeSimpleWithArguments) {
+  i::FLAG_turbo_deoptimization = true;
+
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   // Test lazy deoptimization of a simple function with some arguments.
   {
     AlwaysOptimizeAllowNativesSyntaxNoInlining options;
     CompileRun(
         "var count = 0;"
         "function h(x) { %DeoptimizeFunction(f); }"
         "function g(x, y) { count++; h(x); }"
@@ skipping 19 matching lines @@
   }
   NonIncrementalGC();
 
   CHECK_EQ(1, env->Global()->Get(v8_str("count"))->Int32Value());
   CHECK(!GetJSFunction(env->Global(), "f")->IsOptimized());
   CHECK_EQ(0, Deoptimizer::GetDeoptimizedCodeCount(CcTest::i_isolate()));
 }
 
 
 TEST(DeoptimizeSimpleNested) {
+  i::FLAG_turbo_deoptimization = true;
+
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   // Test lazy deoptimization of a simple function. Have a nested function call
   // do the deoptimization.
   {
     AlwaysOptimizeAllowNativesSyntaxNoInlining options;
     CompileRun(
         "var count = 0;"
         "var result = 0;"
@@ skipping 485 matching lines @@
   }
   NonIncrementalGC();
 
   CHECK(!GetJSFunction(env->Global(), "f1")->IsOptimized());
   CHECK(!GetJSFunction(env->Global(), "g1")->IsOptimized());
   CHECK(!GetJSFunction(env->Global(), "f2")->IsOptimized());
   CHECK(!GetJSFunction(env->Global(), "g2")->IsOptimized());
   CHECK_EQ(1, env->Global()->Get(v8_str("count"))->Int32Value());
   CHECK_EQ(13, env->Global()->Get(v8_str("result"))->Int32Value());
 }