1.1 --- a/src/share/vm/oops/instanceRefKlass.cpp Mon Dec 13 14:46:51 2010 -0800 1.2 +++ b/src/share/vm/oops/instanceRefKlass.cpp Tue Dec 14 15:10:52 2010 -0500 1.3 @@ -458,6 +458,7 @@ 1.4 } 1.5 1.6 bool instanceRefKlass::owns_pending_list_lock(JavaThread* thread) { 1.7 + if (java_lang_ref_Reference::pending_list_lock() == NULL) return false; 1.8 Handle h_lock(thread, java_lang_ref_Reference::pending_list_lock()); 1.9 return ObjectSynchronizer::current_thread_holds_lock(thread, h_lock); 1.10 }