--- a/hotspot/src/share/vm/memory/iterator.hpp	Mon Feb 17 09:51:37 2014 +0100
+++ b/hotspot/src/share/vm/memory/iterator.hpp	Fri Feb 21 10:01:20 2014 +0100
@@ -128,6 +128,11 @@
   virtual void do_klass(Klass* k) = 0;
 };
 
+class CLDClosure : public Closure {
+ public:
+  virtual void do_cld(ClassLoaderData* cld) = 0;
+};
+
 class KlassToOopClosure : public KlassClosure {
   OopClosure* _oop_closure;
  public:
@@ -135,7 +140,7 @@
   virtual void do_klass(Klass* k);
 };
 
-class CLDToOopClosure {
+class CLDToOopClosure : public CLDClosure {
   OopClosure* _oop_closure;
   KlassToOopClosure _klass_closure;
   bool _must_claim_cld;