--- old/src/hotspot/share/classfile/javaClasses.hpp	2018-06-26 20:06:32.311663376 -0400
+++ new/src/hotspot/share/classfile/javaClasses.hpp	2018-06-26 20:06:30.983586856 -0400
@@ -1488,6 +1488,7 @@
  public:
   static void compute_offsets();
   static oop  get_owner_threadObj(oop obj);
+  static void serialize(SerializeClosure* f) NOT_CDS_RETURN;
 };
 
 // Use to declare fields that need to be injected into Java classes