Fix Win64 compilation.

src/atomicops_internals_x86_msvc.h

 // Copyright 2010 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 12 matching lines @@
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // This file is an internal atomic implementation, use atomicops.h instead.
 
 #ifndef V8_ATOMICOPS_INTERNALS_X86_MSVC_H_
 #define V8_ATOMICOPS_INTERNALS_X86_MSVC_H_
 
+#include "checks.h"
 #include "win32-headers.h"
 
 namespace v8 {
 namespace internal {
 
 inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
                                          Atomic32 old_value,
                                          Atomic32 new_value) {
   LONG result = InterlockedCompareExchange(
       reinterpret_cast<volatile LONG*>(ptr),
@@ skipping 150 matching lines @@
                                        Atomic64 new_value) {
   return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
 }
 
 
 #endif  // defined(_WIN64)
 
 } }  // namespace v8::internal
 
 #endif  // V8_ATOMICOPS_INTERNALS_X86_MSVC_H_