Make unittests work in component build

src/compiler/js-create-lowering.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_JS_CREATE_LOWERING_H_
 #define V8_COMPILER_JS_CREATE_LOWERING_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/compiler/graph-reducer.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class AllocationSiteUsageContext;
 class CompilationDependencies;
 class Factory;
 
 
 namespace compiler {
 
 // Forward declarations.
 class CommonOperatorBuilder;
 class JSGraph;
 class JSOperatorBuilder;
 class MachineOperatorBuilder;
 class SimplifiedOperatorBuilder;
 
 
 // Lowers JSCreate-level operators to fast (inline) allocations.
-class JSCreateLowering final : public AdvancedReducer {
+class V8_EXPORT_PRIVATE JSCreateLowering final
+    : public NON_EXPORTED_BASE(AdvancedReducer) {
  public:
   JSCreateLowering(Editor* editor, CompilationDependencies* dependencies,
                    JSGraph* jsgraph, MaybeHandle<LiteralsArray> literals_array,
                    Handle<Context> native_context, Zone* zone)
       : AdvancedReducer(editor),
         dependencies_(dependencies),
         jsgraph_(jsgraph),
         literals_array_(literals_array),
         native_context_(native_context),
         zone_(zone) {}
@@ skipping 54 matching lines @@
   MaybeHandle<LiteralsArray> const literals_array_;
   Handle<Context> const native_context_;
   Zone* const zone_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_CREATE_LOWERING_H_