Canonicalize handles for optimized compilation.

src/x64/macro-assembler-x64.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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/heap/heap.h"
 #include "src/register-configuration.h"
 #include "src/x64/assembler-x64.h"
 #include "src/x64/macro-assembler-x64.h"
 
 namespace v8 {
 namespace internal {
 
 MacroAssembler::MacroAssembler(Isolate* arg_isolate, void* buffer, int size)
     : Assembler(arg_isolate, buffer, size),
       generating_stub_(false),
       has_frame_(false),
       root_array_available_(true) {
   if (isolate() != NULL) {
-    code_object_ = Handle<Object>(isolate()->heap()->undefined_value(),
-                                  isolate());
+    code_object_ =
+        Handle<Object>::New(isolate()->heap()->undefined_value(), isolate());
   }
 }
 
 
 static const int64_t kInvalidRootRegisterDelta = -1;
 
 
 int64_t MacroAssembler::RootRegisterDelta(ExternalReference other) {
   if (predictable_code_size() &&
       (other.address() < reinterpret_cast<Address>(isolate()) ||
@@ skipping 5334 matching lines @@
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64