Fixed global object leak

src/bootstrapper.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 323 matching lines @@
   new_to_map->set_prototype(*proto);
   object->set_map(*new_to_map);
 }
 
 
 void Bootstrapper::DetachGlobal(Handle<Context> env) {
   Factory* factory = env->GetIsolate()->factory();
   Handle<JSGlobalProxy> global_proxy(JSGlobalProxy::cast(env->global_proxy()));
   global_proxy->set_native_context(*factory->null_value());
   SetObjectPrototype(global_proxy, factory->null_value());
-  env->set_global_proxy(env->global_object());
-  env->global_object()->set_global_receiver(env->global_object());
 }
 
 
-void Bootstrapper::ReattachGlobal(Handle<Context> env,
-                                  Handle<JSGlobalProxy> global_proxy) {
-  env->global_object()->set_global_receiver(*global_proxy);
-  env->set_global_proxy(*global_proxy);
-  SetObjectPrototype(global_proxy, Handle<JSObject>(env->global_object()));
-  global_proxy->set_native_context(*env);
-}
-
-
 static Handle<JSFunction> InstallFunction(Handle<JSObject> target,
                                           const char* name,
                                           InstanceType type,
                                           int instance_size,
                                           Handle<JSObject> prototype,
                                           Builtins::Name call,
                                           bool install_initial_map,
                                           bool set_instance_class_name) {
   Isolate* isolate = target->GetIsolate();
   Factory* factory = isolate->factory();
@@ skipping 2338 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal