Make unittests work in component build

src/compiler/load-elimination.h

 // Copyright 2016 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_LOAD_ELIMINATION_H_
 #define V8_COMPILER_LOAD_ELIMINATION_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/compiler/graph-reducer.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Foward declarations.
 class CommonOperatorBuilder;
 struct FieldAccess;
 class Graph;
 class JSGraph;
 
-class LoadElimination final : public AdvancedReducer {
+class V8_EXPORT_PRIVATE LoadElimination final
+    : public NON_EXPORTED_BASE(AdvancedReducer) {
  public:
   LoadElimination(Editor* editor, JSGraph* jsgraph, Zone* zone)
       : AdvancedReducer(editor), node_states_(zone), jsgraph_(jsgraph) {}
   ~LoadElimination() final {}
 
   Reduction Reduce(Node* node) final;
 
  private:
   static const size_t kMaxTrackedChecks = 8;
 
@@ skipping 197 matching lines @@
   JSGraph* const jsgraph_;
 
   DISALLOW_COPY_AND_ASSIGN(LoadElimination);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_LOAD_ELIMINATION_H_