Limit initial size of hidden properties and store identity hashes inline.

src/factory.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 993 matching lines @@
 
 
 void Factory::BecomeJSFunction(Handle<JSReceiver> object) {
   CALL_HEAP_FUNCTION_VOID(
       isolate(),
       isolate()->heap()->ReinitializeJSReceiver(
           *object, JS_FUNCTION_TYPE, JSFunction::kSize));
 }
 
 
-void Factory::SetIdentityHash(Handle<JSObject> object, Object* hash) {
+void Factory::SetIdentityHash(Handle<JSObject> object, Smi* hash) {
   CALL_HEAP_FUNCTION_VOID(
       isolate(),
       object->SetIdentityHash(hash, ALLOW_CREATION));
 }
 
 
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(
     Handle<String> name,
     int number_of_literals,
     Handle<Code> code,
@@ skipping 376 matching lines @@
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return Handle<Object>(value
                         ? isolate()->heap()->true_value()
                         : isolate()->heap()->false_value());
 }
 
 
 } }  // namespace v8::internal