diff -r f3a2bc065255 -r 647b7d0efb88 hotspot/src/share/vm/gc_implementation/g1/concurrentMark.cpp
--- a/hotspot/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Thu Dec 18 13:30:00 2014 +0000
+++ b/hotspot/src/share/vm/gc_implementation/g1/concurrentMark.cpp	Wed Dec 17 22:32:44 2014 -0500
@@ -971,7 +971,7 @@
   // Start Concurrent Marking weak-reference discovery.
   ReferenceProcessor* rp = g1h->ref_processor_cm();
   // enable ("weak") refs discovery
-  rp->enable_discovery(true /*verify_disabled*/, true /*verify_no_refs*/);
+  rp->enable_discovery();
   rp->setup_policy(false); // snapshot the soft ref policy to be used in this cycle
 
   SATBMarkQueueSet& satb_mq_set = JavaThread::satb_mark_queue_set();