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

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

Index: src/ic/ia32/handler-compiler-ia32.cc
diff --git a/src/ic/ia32/handler-compiler-ia32.cc b/src/ic/ia32/handler-compiler-ia32.cc
index b9a1735f2ebce75bf9d16a2259dc111e3dfbcca9..fd779444d506ff36e68c10c37a6e364c8becfca4 100644
--- a/src/ic/ia32/handler-compiler-ia32.cc
+++ b/src/ic/ia32/handler-compiler-ia32.cc
@@ -730,9 +730,9 @@ void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup(
     // 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());