--- old/src/share/vm/oops/klass.hpp	2017-06-29 15:57:47.392807053 -0700
+++ new/src/share/vm/oops/klass.hpp	2017-06-29 15:57:47.208799980 -0700
@@ -597,6 +597,9 @@
   // garbage collection support
   void oops_do(OopClosure* cl);
 
+  virtual void metaspace_pointers_do(MetaspaceClosure* iter);
+  virtual MetaspaceObj::Type type() const { return ClassType; }
+
   // Iff the class loader (or mirror for anonymous classes) is alive the
   // Klass is considered alive.
   // The is_alive closure passed in depends on the Garbage Collector used.