Make unittests work in component build

src/compiler/checkpoint-elimination.h

Index: src/compiler/checkpoint-elimination.h
diff --git a/src/compiler/checkpoint-elimination.h b/src/compiler/checkpoint-elimination.h
index edaa0e7734443c17c7202935b85c3480418904e2..f30eec0f551f9aa0fe20bb5271bffaca4a781ccf 100644
--- a/src/compiler/checkpoint-elimination.h
+++ b/src/compiler/checkpoint-elimination.h
@@ -5,14 +5,17 @@
 #ifndef V8_COMPILER_CHECKPOINT_ELIMINATION_H_
 #define V8_COMPILER_CHECKPOINT_ELIMINATION_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/compiler/graph-reducer.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Performs elimination of redundant checkpoints within the graph.
-class CheckpointElimination final : public AdvancedReducer {
+class V8_EXPORT_PRIVATE CheckpointElimination final
+    : public NON_EXPORTED_BASE(AdvancedReducer) {
  public:
   explicit CheckpointElimination(Editor* editor);
   ~CheckpointElimination() final {}