[turbofan] Minor cleanup to reduce code duplication.

test/unittests/compiler/simplified-operator-reducer-unittest.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/js-graph.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/compiler/simplified-operator-reducer.h"
 #include "src/conversions.h"
 #include "src/types.h"
 #include "test/unittests/compiler/graph-unittest.h"
 #include "test/unittests/compiler/node-test-utils.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 class SimplifiedOperatorReducerTest : public GraphTest {
  public:
   explicit SimplifiedOperatorReducerTest(int num_parameters = 1)
       : GraphTest(num_parameters), simplified_(zone()) {}
-  virtual ~SimplifiedOperatorReducerTest() {}
+  ~SimplifiedOperatorReducerTest() OVERRIDE {}
 
  protected:
   Reduction Reduce(Node* node) {
     MachineOperatorBuilder machine(zone());
     JSOperatorBuilder javascript(zone());
     JSGraph jsgraph(graph(), common(), &javascript, &machine);
     SimplifiedOperatorReducer reducer(&jsgraph);
     return reducer.Reduce(node);
   }
 
   SimplifiedOperatorBuilder* simplified() { return &simplified_; }
 
  private:
   SimplifiedOperatorBuilder simplified_;
 };
 
 
 template <typename T>
 class SimplifiedOperatorReducerTestWithParam
     : public SimplifiedOperatorReducerTest,
       public ::testing::WithParamInterface<T> {
  public:
   explicit SimplifiedOperatorReducerTestWithParam(int num_parameters = 1)
       : SimplifiedOperatorReducerTest(num_parameters) {}
-  virtual ~SimplifiedOperatorReducerTestWithParam() {}
+  ~SimplifiedOperatorReducerTestWithParam() OVERRIDE {}
 };
 
 
 namespace {
 
 static const double kFloat64Values[] = {
     -V8_INFINITY,  -6.52696e+290, -1.05768e+290, -5.34203e+268, -1.01997e+268,
     -8.22758e+266, -1.58402e+261, -5.15246e+241, -5.92107e+226, -1.21477e+226,
     -1.67913e+188, -1.6257e+184,  -2.60043e+170, -2.52941e+168, -3.06033e+116,
     -4.56201e+52,  -3.56788e+50,  -9.9066e+38,   -3.07261e+31,  -2.1271e+09,
@@ skipping 417 matching lines @@
         Reduce(graph()->NewNode(simplified()->ChangeUint32ToTagged(),
                                 Int32Constant(bit_cast<int32_t>(n))));
     ASSERT_TRUE(reduction.Changed());
     EXPECT_THAT(reduction.replacement(), IsNumberConstant(FastUI2D(n)));
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8