Replace our home-grown BitCast with bit_cast from Chrome/Google3.

src/x87/code-stubs-x87.cc

 // Copyright 2012 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 2187 matching lines @@
   Register object = eax;  // Object (lhs).
   Register map = ebx;  // Map of the object.
   Register function = edx;  // Function (rhs).
   Register prototype = edi;  // Prototype of the function.
   Register scratch = ecx;
 
   // Constants describing the call site code to patch.
   static const int kDeltaToCmpImmediate = 2;
   static const int kDeltaToMov = 8;
   static const int kDeltaToMovImmediate = 9;
-  static const int8_t kCmpEdiOperandByte1 = BitCast<int8_t, uint8_t>(0x3b);
-  static const int8_t kCmpEdiOperandByte2 = BitCast<int8_t, uint8_t>(0x3d);
-  static const int8_t kMovEaxImmediateByte = BitCast<int8_t, uint8_t>(0xb8);
+  static const int8_t kCmpEdiOperandByte1 = bit_cast<int8_t, uint8_t>(0x3b);
+  static const int8_t kCmpEdiOperandByte2 = bit_cast<int8_t, uint8_t>(0x3d);
+  static const int8_t kMovEaxImmediateByte = bit_cast<int8_t, uint8_t>(0xb8);
 
   DCHECK_EQ(object.code(), InstanceofStub::left().code());
   DCHECK_EQ(function.code(), InstanceofStub::right().code());
 
   // Get the object and function - they are always both needed.
   Label slow, not_js_object;
   if (!HasArgsInRegisters()) {
     __ mov(object, Operand(esp, 2 * kPointerSize));
     __ mov(function, Operand(esp, 1 * kPointerSize));
   }
@@ skipping 2102 matching lines @@
                               Operand(ebp, 7 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87