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

src/ic/ia32/handler-compiler-ia32.cc

 // 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 712 matching lines @@
     // the case, return immediately.
     Label interceptor_failed;
     __ cmp(eax, factory()->no_interceptor_result_sentinel());
     __ j(equal, &interceptor_failed);
     frame_scope.GenerateLeaveFrame();
     __ ret(0);
 
     // Clobber registers when generating debug-code to provoke errors.
     __ bind(&interceptor_failed);
     if (FLAG_debug_code) {
-      __ mov(receiver(), Immediate(BitCast<int32_t>(kZapValue)));
-      __ mov(holder_reg, Immediate(BitCast<int32_t>(kZapValue)));
-      __ mov(this->name(), Immediate(BitCast<int32_t>(kZapValue)));
+      __ mov(receiver(), Immediate(bit_cast<int32_t>(kZapValue)));
+      __ mov(holder_reg, Immediate(bit_cast<int32_t>(kZapValue)));
+      __ mov(this->name(), Immediate(bit_cast<int32_t>(kZapValue)));
     }
 
     __ pop(this->name());
     __ pop(holder_reg);
     if (must_preserve_receiver_reg) {
       __ pop(receiver());
     }
 
     // Leave the internal frame.
   }
@@ skipping 97 matching lines @@
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32