--- old/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2018-11-28 13:52:37.484247134 -0500
+++ new/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2018-11-28 13:52:37.219247019 -0500
@@ -3206,7 +3206,7 @@
   G1ParScanThreadStateSet* _pss;
   RefToScanQueueSet*       _queues;
   G1RootProcessor*         _root_processor;
-  ParallelTaskTerminator   _terminator;
+  TaskTerminator           _terminator;
   uint                     _n_workers;
 
 public:
@@ -3251,7 +3251,7 @@
       size_t evac_term_attempts = 0;
       {
         double start = os::elapsedTime();
-        G1ParEvacuateFollowersClosure evac(_g1h, pss, _queues, &_terminator);
+        G1ParEvacuateFollowersClosure evac(_g1h, pss, _queues, _terminator.terminator());
         evac.do_void();
 
         evac_term_attempts = evac.term_attempts();
@@ -3563,8 +3563,8 @@
   assert(_workers->active_workers() >= ergo_workers,
          "Ergonomically chosen workers (%u) should be less than or equal to active workers (%u)",
          ergo_workers, _workers->active_workers());
-  ParallelTaskTerminator terminator(ergo_workers, _queues);
-  G1STWRefProcTaskProxy proc_task_proxy(proc_task, _g1h, _pss, _queues, &terminator);
+  TaskTerminator terminator(ergo_workers, _queues);
+  G1STWRefProcTaskProxy proc_task_proxy(proc_task, _g1h, _pss, _queues, terminator.terminator());
 
   _workers->run_task(&proc_task_proxy, ergo_workers);
 }