Make unittests work in component build

src/interpreter/bytecode-peephole-optimizer.h

Index: src/interpreter/bytecode-peephole-optimizer.h
diff --git a/src/interpreter/bytecode-peephole-optimizer.h b/src/interpreter/bytecode-peephole-optimizer.h
index cedd742f87932d418bcdc65d93d8b407b941d1f2..7e7e02a370c7fd17f2fc6a52a5f574f0a5af1a94 100644
--- a/src/interpreter/bytecode-peephole-optimizer.h
+++ b/src/interpreter/bytecode-peephole-optimizer.h
@@ -5,6 +5,8 @@
 #ifndef V8_INTERPRETER_BYTECODE_PEEPHOLE_OPTIMIZER_H_
 #define V8_INTERPRETER_BYTECODE_PEEPHOLE_OPTIMIZER_H_
 
+#include "src/base/compiler-specific.h"
+#include "src/globals.h"
 #include "src/interpreter/bytecode-peephole-table.h"
 #include "src/interpreter/bytecode-pipeline.h"
 
@@ -17,8 +19,9 @@ class BytecodePeepholeActionAndData;
 // An optimization stage for performing peephole optimizations on
 // generated bytecode. The optimizer may buffer one bytecode
 // internally.
-class BytecodePeepholeOptimizer final : public BytecodePipelineStage,
-                                        public ZoneObject {
+class V8_EXPORT_PRIVATE BytecodePeepholeOptimizer final
+    : public NON_EXPORTED_BASE(BytecodePipelineStage),
+      public NON_EXPORTED_BASE(ZoneObject) {
  public:
   explicit BytecodePeepholeOptimizer(BytecodePipelineStage* next_stage);