[turbofan] Next step towards shared operators.

test/cctest/compiler/simplified-graph-builder.h

 // 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.
 
 #ifndef V8_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_
 #define V8_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph-builder.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 118 matching lines @@
   }
   Node* LoadElement(const ElementAccess& access, Node* object, Node* index) {
     return NewNode(simplified()->LoadElement(access), object, index);
   }
   Node* StoreElement(const ElementAccess& access, Node* object, Node* index,
                      Node* value) {
     return NewNode(simplified()->StoreElement(access), object, index, value);
   }
 
  protected:
-  virtual Node* MakeNode(Operator* op, int value_input_count,
-                         Node** value_inputs);
+  virtual Node* MakeNode(const Operator* op, int value_input_count,
+                         Node** value_inputs) FINAL;
 
  private:
   Node* effect_;
   Node* return_;
   CommonOperatorBuilder* common_;
   MachineOperatorBuilder* machine_;
   SimplifiedOperatorBuilder* simplified_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_