Properly thread language mode to compilation cache

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
@@ skipping 1348 matching lines @@
 
 
 bool Genesis::CompileExperimentalBuiltin(Isolate* isolate, int index) {
   Vector<const char> name = ExperimentalNatives::GetScriptName(index);
   Factory* factory = isolate->factory();
   Handle<String> source_code;
   ASSIGN_RETURN_ON_EXCEPTION_VALUE(
       isolate, source_code,
       factory->NewStringFromAscii(ExperimentalNatives::GetScriptSource(index)),
       false);
-
-  // TODO(rossberg): The natives do not yet obey strong mode rules
-  // (for example, some macros use '==').
-  bool use_strong = FLAG_use_strong;
-  FLAG_use_strong = false;
-  bool result = CompileNative(isolate, name, source_code);
-  FLAG_use_strong = use_strong;
-  return result;
+  return CompileNative(isolate, name, source_code);
 }
 
 
 bool Genesis::CompileNative(Isolate* isolate,
                             Vector<const char> name,
                             Handle<String> source) {
   HandleScope scope(isolate);
   SuppressDebug compiling_natives(isolate->debug());
   // During genesis, the boilerplate for stack overflow won't work until the
   // environment has been at least partially initialized. Add a stack check
@@ skipping 1479 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 } }  // namespace v8::internal