Make unittests work in component build

src/compiler/dead-code-elimination.h

 // Copyright 2015 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_DEAD_CODE_ELIMINATION_H_
 #define V8_COMPILER_DEAD_CODE_ELIMINATION_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/compiler/graph-reducer.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Forward declarations.
 class CommonOperatorBuilder;
 
 
 // Propagates {Dead} control through the graph and thereby removes dead code.
 // Note that this does not include trimming dead uses from the graph, and it
 // also does not include detecting dead code by any other means than seeing a
 // {Dead} control input; that is left to other reducers.
-class DeadCodeElimination final : public AdvancedReducer {
+class V8_EXPORT_PRIVATE DeadCodeElimination final
+    : public NON_EXPORTED_BASE(AdvancedReducer) {
  public:
   DeadCodeElimination(Editor* editor, Graph* graph,
                       CommonOperatorBuilder* common);
   ~DeadCodeElimination() final {}
 
   Reduction Reduce(Node* node) final;
 
  private:
   Reduction ReduceEnd(Node* node);
   Reduction ReduceLoopOrMerge(Node* node);
@@ skipping 13 matching lines @@
   Node* const dead_;
 
   DISALLOW_COPY_AND_ASSIGN(DeadCodeElimination);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_DEAD_CODE_ELIMINATION_H_