--- old/src/share/vm/gc/g1/g1CollectedHeap.cpp	2017-08-03 16:11:03.505643260 -0700
+++ new/src/share/vm/gc/g1/g1CollectedHeap.cpp	2017-08-03 16:11:03.401643264 -0700
@@ -1260,7 +1260,7 @@
       assert(num_free_regions() == 0, "we should not have added any free regions");
       rebuild_region_sets(false /* free_list_only */);
 
-      ReferenceProcessorPhaseTimes pt(NULL, ref_processor_stw()->num_q(), ref_processor_stw()->processing_is_mt());
+      ReferenceProcessorPhaseTimes pt(NULL, ref_processor_stw()->num_q());
 
       // Enqueue any discovered reference objects that have
       // not been removed from the discovered lists.
@@ -1671,7 +1671,9 @@
 G1CollectedHeap::G1CollectedHeap(G1CollectorPolicy* collector_policy) :
   CollectedHeap(),
   _collector_policy(collector_policy),
-  _g1_policy(create_g1_policy()),
+  _gc_timer_stw(new (ResourceObj::C_HEAP, mtGC) STWGCTimer()),
+  _gc_tracer_stw(new (ResourceObj::C_HEAP, mtGC) G1NewTracer()),
+  _g1_policy(create_g1_policy(_gc_timer_stw)),
   _collection_set(this, _g1_policy),
   _dirty_card_queue_set(false),
   _is_alive_closure_cm(this),
@@ -1698,9 +1700,7 @@
   _expand_heap_after_alloc_failure(true),
   _old_marking_cycles_started(0),
   _old_marking_cycles_completed(0),
-  _in_cset_fast_test(),
-  _gc_timer_stw(new (ResourceObj::C_HEAP, mtGC) STWGCTimer()),
-  _gc_tracer_stw(new (ResourceObj::C_HEAP, mtGC) G1NewTracer()) {
+  _in_cset_fast_test() {
 
   _workers = new WorkGang("GC Thread", ParallelGCThreads,
                           /* are_GC_task_threads */true,
@@ -2054,9 +2054,6 @@
                            &_is_alive_closure_stw);
                                 // is alive closure
                                 // (for efficiency/performance)
-    _ref_phase_times = new ReferenceProcessorPhaseTimes(_gc_timer_stw,
-                                                        ParallelGCThreads,
-                                                        mt_processing);
 }
 
 CollectorPolicy* G1CollectedHeap::collector_policy() const {
@@ -4322,7 +4319,7 @@
   // Setup the soft refs policy...
   rp->setup_policy(false);
 
-  ref_phase_times()->reset();
+  ReferenceProcessorPhaseTimes* pt = g1_policy()->phase_times()->ref_phase_times();
 
   ReferenceProcessorStats stats;
   if (!rp->processing_is_mt()) {
@@ -4331,7 +4328,7 @@
                                               &keep_alive,
                                               &drain_queue,
                                               NULL,
-                                              ref_phase_times());
+                                              pt);
   } else {
     uint no_of_gc_workers = workers()->active_workers();
 
@@ -4345,7 +4342,7 @@
                                               &keep_alive,
                                               &drain_queue,
                                               &par_task_executor,
-                                              ref_phase_times());
+                                              pt);
   }
 
   _gc_tracer_stw->report_gc_reference_stats(stats);
@@ -4364,11 +4361,13 @@
   ReferenceProcessor* rp = _ref_processor_stw;
   assert(!rp->discovery_enabled(), "should have been disabled as part of processing");
 
+  ReferenceProcessorPhaseTimes* pt = g1_policy()->phase_times()->ref_phase_times();
+
   // Now enqueue any remaining on the discovered lists on to
   // the pending list.
   if (!rp->processing_is_mt()) {
     // Serial reference processing...
-    rp->enqueue_discovered_references(NULL, ref_phase_times());
+    rp->enqueue_discovered_references(NULL, pt);
   } else {
     // Parallel reference enqueueing
 
@@ -4379,7 +4378,7 @@
            n_workers,  rp->max_num_q());
 
     G1STWRefProcTaskExecutor par_task_executor(this, per_thread_states, workers(), _task_queues, n_workers);
-    rp->enqueue_discovered_references(&par_task_executor, ref_phase_times());
+    rp->enqueue_discovered_references(&par_task_executor, pt);
   }
 
   rp->verify_no_references_recorded();