--- old/src/hotspot/share/gc/cms/parNewGeneration.cpp	2018-04-23 17:00:31.669857658 +0200
+++ new/src/hotspot/share/gc/cms/parNewGeneration.cpp	2018-04-23 17:00:31.386848837 +0200
@@ -983,7 +983,7 @@
   // Can  the mt_degree be set later (at run_task() time would be best)?
   rp->set_active_mt_degree(active_workers);
   ReferenceProcessorStats stats;
-  ReferenceProcessorPhaseTimes pt(_gc_timer, rp->num_q());
+  ReferenceProcessorPhaseTimes pt(_gc_timer, rp->num_queues());
   if (rp->processing_is_mt()) {
     ParNewRefProcTaskExecutor task_executor(*this, *_old_gen, thread_state_set);
     stats = rp->process_discovered_references(&is_alive, &keep_alive,