Make unittests work in component build

src/compiler/machine-operator-reducer.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_COMPILER_MACHINE_OPERATOR_REDUCER_H_
 #define V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/compiler/graph-reducer.h"
 #include "src/compiler/machine-operator.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Forward declarations.
 class CommonOperatorBuilder;
 class JSGraph;
 
 
 // Performs constant folding and strength reduction on nodes that have
 // machine operators.
-class MachineOperatorReducer final : public Reducer {
+class V8_EXPORT_PRIVATE MachineOperatorReducer final
+    : public NON_EXPORTED_BASE(Reducer) {
  public:
   explicit MachineOperatorReducer(JSGraph* jsgraph);
   ~MachineOperatorReducer();
 
   Reduction Reduce(Node* node) override;
 
  private:
   Node* Float32Constant(volatile float value);
   Node* Float64Constant(volatile double value);
   Node* Int32Constant(int32_t value);
@@ skipping 67 matching lines @@
   MachineOperatorBuilder* machine() const;
 
   JSGraph* jsgraph_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_