[Isolates] Merge crankshaft (r5922 from bleeding_edge).

test/cctest/test-alloc.cc

 // Copyright 2007-2008 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 116 matching lines @@
 
 TEST(StressJS) {
   v8::Persistent<v8::Context> env = v8::Context::New();
   v8::HandleScope scope;
   env->Enter();
   Handle<JSFunction> function =
       FACTORY->NewFunction(FACTORY->function_symbol(), FACTORY->null_value());
   // Force the creation of an initial map and set the code to
   // something empty.
   FACTORY->NewJSObject(function);
-  function->set_code(Isolate::Current()->builtins()->builtin(
+  function->ReplaceCode(Isolate::Current()->builtins()->builtin(
       Builtins::EmptyFunction));
   // Patch the map to have an accessor for "get".
   Handle<Map> map(function->initial_map());
   Handle<DescriptorArray> instance_descriptors(map->instance_descriptors());
   Handle<Proxy> proxy = FACTORY->NewProxy(&kDescriptor);
   instance_descriptors = FACTORY->CopyAppendProxyDescriptor(
       instance_descriptors,
       FACTORY->NewStringFromAscii(Vector<const char>("get", 3)),
       proxy,
       static_cast<PropertyAttributes>(0));
@@ skipping 64 matching lines @@
       if (index < blocks.length() - 1) {
         blocks[index] = blocks.RemoveLast();
       } else {
         blocks.RemoveLast();
       }
     }
   }
 
   Isolate::Current()->code_range()->TearDown();
 }