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

src/x87/code-stubs-x87.cc

Index: src/x87/code-stubs-x87.cc
diff --git a/src/x87/code-stubs-x87.cc b/src/x87/code-stubs-x87.cc
index 50ad9fb2f4907ebe06408606286ce0af3fb21594..acee4c9b8ae8e3007ef82a86916d04b5da85c2b2 100644
--- a/src/x87/code-stubs-x87.cc
+++ b/src/x87/code-stubs-x87.cc
@@ -2205,9 +2205,9 @@ void InstanceofStub::Generate(MacroAssembler* masm) {
   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());