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

src/arm/macro-assembler-arm.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 <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
@@ skipping 482 matching lines @@
               save_fp,
               remembered_set_action,
               OMIT_SMI_CHECK,
               pointers_to_here_check_for_value);
 
   bind(&done);
 
   // Clobber clobbered input registers when running with the debug-code flag
   // turned on to provoke errors.
   if (emit_debug_code()) {
-    mov(value, Operand(BitCast<int32_t>(kZapValue + 4)));
-    mov(dst, Operand(BitCast<int32_t>(kZapValue + 8)));
+    mov(value, Operand(bit_cast<int32_t>(kZapValue + 4)));
+    mov(dst, Operand(bit_cast<int32_t>(kZapValue + 8)));
   }
 }
 
 
 // Will clobber 4 registers: object, map, dst, ip.  The
 // register 'object' contains a heap object pointer.
 void MacroAssembler::RecordWriteForMap(Register object,
                                        Register map,
                                        Register dst,
                                        LinkRegisterStatus lr_status,
@@ skipping 48 matching lines @@
 
   bind(&done);
 
   // Count number of write barriers in generated code.
   isolate()->counters()->write_barriers_static()->Increment();
   IncrementCounter(isolate()->counters()->write_barriers_dynamic(), 1, ip, dst);
 
   // Clobber clobbered registers when running with the debug-code flag
   // turned on to provoke errors.
   if (emit_debug_code()) {
-    mov(dst, Operand(BitCast<int32_t>(kZapValue + 12)));
-    mov(map, Operand(BitCast<int32_t>(kZapValue + 16)));
+    mov(dst, Operand(bit_cast<int32_t>(kZapValue + 12)));
+    mov(map, Operand(bit_cast<int32_t>(kZapValue + 16)));
   }
 }
 
 
 // Will clobber 4 registers: object, address, scratch, ip.  The
 // register 'object' contains a heap object pointer.  The heap object
 // tag is shifted away.
 void MacroAssembler::RecordWrite(
     Register object,
     Register address,
@@ skipping 50 matching lines @@
   bind(&done);
 
   // Count number of write barriers in generated code.
   isolate()->counters()->write_barriers_static()->Increment();
   IncrementCounter(isolate()->counters()->write_barriers_dynamic(), 1, ip,
                    value);
 
   // Clobber clobbered registers when running with the debug-code flag
   // turned on to provoke errors.
   if (emit_debug_code()) {
-    mov(address, Operand(BitCast<int32_t>(kZapValue + 12)));
-    mov(value, Operand(BitCast<int32_t>(kZapValue + 16)));
+    mov(address, Operand(bit_cast<int32_t>(kZapValue + 12)));
+    mov(value, Operand(bit_cast<int32_t>(kZapValue + 16)));
   }
 }
 
 
 void MacroAssembler::RememberedSetHelper(Register object,  // For debug tests.
                                          Register address,
                                          Register scratch,
                                          SaveFPRegsMode fp_mode,
                                          RememberedSetFinalAction and_then) {
   Label done;
@@ skipping 3449 matching lines @@
     sub(result, result, Operand(dividend));
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM