[turbofan] Some javascript operators are globally shared singletons.

src/compiler/change-lowering.cc

 // Copyright 2014 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 "src/compiler/change-lowering.h"
-#include "src/compiler/machine-operator.h"
 
 #include "src/compiler/js-graph.h"
+#include "src/compiler/linkage.h"
+#include "src/compiler/machine-operator.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 ChangeLowering::~ChangeLowering() {}
 
 
 Reduction ChangeLowering::Reduce(Node* node) {
   Node* control = graph()->start();
@@ skipping 228 matching lines @@
 }
 
 
 MachineOperatorBuilder* ChangeLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8