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

src/mips/macro-assembler-mips.cc

Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index dff54e9fbf95124aefca1ef1846685613ad666c7..f884cda5976e1e129f36da75ac101dc7ede95d5e 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -209,8 +209,8 @@ void MacroAssembler::RecordWriteField(
   // Clobber clobbered input registers when running with the debug-code flag
   // turned on to provoke errors.
   if (emit_debug_code()) {
-    li(value, Operand(BitCast<int32_t>(kZapValue + 4)));
-    li(dst, Operand(BitCast<int32_t>(kZapValue + 8)));
+    li(value, Operand(bit_cast<int32_t>(kZapValue + 4)));
+    li(dst, Operand(bit_cast<int32_t>(kZapValue + 8)));
   }
 }
 
@@ -284,8 +284,8 @@ void MacroAssembler::RecordWriteForMap(Register object,
   // Clobber clobbered registers when running with the debug-code flag
   // turned on to provoke errors.
   if (emit_debug_code()) {
-    li(dst, Operand(BitCast<int32_t>(kZapValue + 12)));
-    li(map, Operand(BitCast<int32_t>(kZapValue + 16)));
+    li(dst, Operand(bit_cast<int32_t>(kZapValue + 12)));
+    li(map, Operand(bit_cast<int32_t>(kZapValue + 16)));
   }
 }
 
@@ -359,8 +359,8 @@ void MacroAssembler::RecordWrite(
   // Clobber clobbered registers when running with the debug-code flag
   // turned on to provoke errors.
   if (emit_debug_code()) {
-    li(address, Operand(BitCast<int32_t>(kZapValue + 12)));
-    li(value, Operand(BitCast<int32_t>(kZapValue + 16)));
+    li(address, Operand(bit_cast<int32_t>(kZapValue + 12)));
+    li(value, Operand(bit_cast<int32_t>(kZapValue + 16)));
   }
 }