Bulk update of Google copyright headers in source files.

src/atomicops_internals_atomicword_compat.h

 // Copyright 2014 the V8 project authors. All rights reserved.
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+// Use of this source code is governed by a BSD-style license that can be
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 // This file is an internal atomic implementation, use atomicops.h instead.
 
 #ifndef V8_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
 #define V8_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
 
 // AtomicWord is a synonym for intptr_t, and Atomic32 is a synonym for int32,
 // which in turn means int. On some LP32 platforms, intptr_t is an int, but
 // on others, it's a long. When AtomicWord and Atomic32 are based on different
 // fundamental types, their pointers are incompatible.
@@ skipping 76 matching lines @@
 inline AtomicWord Release_Load(volatile const AtomicWord* ptr) {
   return v8::internal::Release_Load(
       reinterpret_cast<volatile const Atomic32*>(ptr));
 }
 
 } }  // namespace v8::internal
 
 #endif  // !defined(V8_HOST_ARCH_64_BIT)
 
 #endif  // V8_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_