Make unittests work in component build

src/compiler/graph.h

Index: src/compiler/graph.h
diff --git a/src/compiler/graph.h b/src/compiler/graph.h
index 1d9e85e91d603913eed2dbfb4e4fe6b85fbda072..83b3592e03cc9214be4e4bcdeeb6d1f3d1af88ea 100644
--- a/src/compiler/graph.h
+++ b/src/compiler/graph.h
@@ -5,6 +5,8 @@
 #ifndef V8_COMPILER_GRAPH_H_
 #define V8_COMPILER_GRAPH_H_
 
+#include "src/base/compiler-specific.h"
+#include "src/globals.h"
 #include "src/zone/zone-containers.h"
 #include "src/zone/zone.h"
 
@@ -28,7 +30,7 @@ typedef uint32_t Mark;
 // out-of-line data associated with each node.
 typedef uint32_t NodeId;
 
-class Graph final : public ZoneObject {
+class V8_EXPORT_PRIVATE Graph final : public NON_EXPORTED_BASE(ZoneObject) {
  public:
   explicit Graph(Zone* zone);