[turbofan] Fix the node matchers.

test/cctest/compiler/test-machine-operator-reducer.cc

Index: test/cctest/compiler/test-machine-operator-reducer.cc
diff --git a/test/cctest/compiler/test-machine-operator-reducer.cc b/test/cctest/compiler/test-machine-operator-reducer.cc
index 562766230d16d4a060642d24b3f2568061ad7efa..bcd68356e84db18c0f841d730592b7de77450293 100644
--- a/test/cctest/compiler/test-machine-operator-reducer.cc
+++ b/test/cctest/compiler/test-machine-operator-reducer.cc
@@ -30,6 +30,22 @@ Operator* NewConstantOperator<double>(CommonOperatorBuilder* common,
 }
 
 
+template <typename T>
+T ValueOfOperator(const Operator* op);
+
+template <>
+int32_t ValueOfOperator<int32_t>(const Operator* op) {
+  CHECK_EQ(IrOpcode::kInt32Constant, op->opcode());
+  return OpParameter<int32_t>(op);
+}
+
+template <>
+double ValueOfOperator<double>(const Operator* op) {
+  CHECK_EQ(IrOpcode::kFloat64Constant, op->opcode());
+  return OpParameter<double>(op);
+}
+
+
 class ReducerTester : public HandleAndZoneScope {
  public:
   explicit ReducerTester(int num_parameters = 0)
@@ -61,6 +77,11 @@ class ReducerTester : public HandleAndZoneScope {
     return graph.NewNode(NewConstantOperator<T>(&common, value));
   }
 
+  template <typename T>
+  const T ValueOf(const Operator* op) {
+    return ValueOfOperator<T>(op);
+  }
+
   // Check that the reduction of this binop applied to constants {a} and {b}
   // yields the {expect} value.
   template <typename T>