--- a/hotspot/src/share/vm/classfile/systemDictionary.cpp	Mon Oct 08 09:12:31 2012 -0700
+++ b/hotspot/src/share/vm/classfile/systemDictionary.cpp	Tue Oct 09 22:12:25 2012 +0200
@@ -1749,6 +1749,9 @@
   blk->do_oop(&_system_loader_lock_obj);
 
   dictionary()->always_strong_oops_do(blk);
+
+  // Visit extra methods
+  invoke_method_table()->oops_do(blk);
 }
 
 void SystemDictionary::always_strong_classes_do(KlassClosure* closure) {