--- old/src/share/vm/gc/parallel/psParallelCompact.cpp	2017-06-12 16:20:22.443222321 -0700
+++ new/src/share/vm/gc/parallel/psParallelCompact.cpp	2017-06-12 16:20:22.319222326 -0700
@@ -1037,7 +1037,7 @@
   DerivedPointerTable::update_pointers();
 #endif
 
-  ref_processor()->enqueue_discovered_references(NULL);
+  ref_processor()->enqueue_discovered_references(NULL, &_gc_timer);
 
   if (ZapUnusedHeapArea) {
     heap->gen_mangle_unused_area();