Cheaper thread-safe atomic initialization of static references.

Source/bindings/core/v8/V8Initializer.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 224 matching lines @@
         WTF::ArrayBufferContents::freeMemory(data, size);
     }
 };
 
 } // namespace
 
 typedef Deque<PromiseRejectMessage> PromiseRejectMessageQueue;
 
 static PromiseRejectMessageQueue& promiseRejectMessageQueue()
 {
-    AtomicallyInitializedStatic(ThreadSpecific<PromiseRejectMessageQueue>*, queue = new ThreadSpecific<PromiseRejectMessageQueue>);
-    return **queue;
+    AtomicallyInitializedStaticReference(ThreadSpecific<PromiseRejectMessageQueue>, queue, new ThreadSpecific<PromiseRejectMessageQueue>);
+    return *queue;
 }
 
 void V8Initializer::reportRejectedPromises()
 {
     PromiseRejectMessageQueue& queue = promiseRejectMessageQueue();
     while (!queue.isEmpty()) {
         PromiseRejectMessage message = queue.takeFirst();
         ScriptState* scriptState = message.m_promise.scriptState();
         if (!scriptState->contextIsValid())
             continue;
@@ skipping 279 matching lines @@
 
     v8::V8::AddMessageListener(messageHandlerInWorker);
     v8::V8::SetFatalErrorHandler(reportFatalErrorInWorker);
 
     uint32_t here;
     isolate->SetStackLimit(reinterpret_cast<uintptr_t>(&here - kWorkerMaxStackSize / sizeof(uint32_t*)));
     isolate->SetPromiseRejectCallback(promiseRejectHandlerInWorker);
 }
 
 } // namespace blink