--- old/src/hotspot/share/gc/parallel/psScavenge.cpp	2018-04-19 22:05:06.485817851 +0200
+++ new/src/hotspot/share/gc/parallel/psScavenge.cpp	2018-04-19 22:05:06.202809073 +0200
@@ -416,7 +416,7 @@
       PSKeepAliveClosure keep_alive(promotion_manager);
       PSEvacuateFollowersClosure evac_followers(promotion_manager);
       ReferenceProcessorStats stats;
-      ReferenceProcessorPhaseTimes pt(&_gc_timer, reference_processor()->num_q());
+      ReferenceProcessorPhaseTimes pt(&_gc_timer, reference_processor()->num_queues());
       if (reference_processor()->processing_is_mt()) {
         PSRefProcTaskExecutor task_executor;
         stats = reference_processor()->process_discovered_references(