Really fix windows now.

src/base/bits.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_BASE_BITS_H_
 #define V8_BASE_BITS_H_
 
 #include "include/v8stdint.h"
 #if V8_OS_WIN32
 #include "src/base/win32-headers.h"
 #endif
 
 namespace v8 {
 namespace base {
 namespace bits {
 
-#if V8_CC_MSVC
-
-#pragma intrinsic(_rotr)
-#pragma intrinsic(_rotr64)
-
-inline uint32_t RotateRight32(uint32_t value, uint32_t shift) {
-  return _rotr(value, shift);
-}
-
-
-inline uint64_t RotateRight64(uint64_t value, uint32_t shift) {
-  return _rotr64(value, shift);
-}
-
-#else  // V8_CC_MSVC
-
 inline uint32_t RotateRight32(uint32_t value, uint32_t shift) {
   if (shift == 0) return value;
   return (value >> shift) | (value << (32 - shift));
 }
 
 
-inline uint64_t RotateRight64(uint64_t value, uint32_t shift) {
+inline uint64_t RotateRight64(uint64_t value, uint64_t shift) {
   if (shift == 0) return value;
   return (value >> shift) | (value << (64 - shift));
 }
 
-#endif  // V8_CC_MSVC
-
 }  // namespace bits
 }  // namespace base
 }  // namespace v8
 
 #endif  // V8_BASE_BITS_H_