--- a/hotspot/src/share/vm/classfile/systemDictionary.cpp	Fri Oct 12 14:06:27 2012 -0700
+++ b/hotspot/src/share/vm/classfile/systemDictionary.cpp	Wed Oct 17 13:59:57 2012 -0700
@@ -1699,6 +1699,9 @@
   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) {