--- old/src/share/vm/gc/g1/g1ConcurrentMark.cpp	2017-06-27 15:06:15.865310579 +0200
+++ new/src/share/vm/gc/g1/g1ConcurrentMark.cpp	2017-06-27 15:06:15.735306537 +0200
@@ -703,7 +703,7 @@
 
   void work(uint worker_id) {
     SuspendibleThreadSetJoiner sts_join(_suspendible);
-    G1CollectedHeap::heap()->heap_region_par_iterate(&_cl, worker_id, &_hr_claimer, true);
+    G1CollectedHeap::heap()->heap_region_par_iterate(&_cl, worker_id, &_hr_claimer);
   }
 
   bool is_complete() {