--- old/src/share/vm/gc/shared/workgroup.cpp	2016-07-25 15:32:48.180956368 -0700
+++ new/src/share/vm/gc/shared/workgroup.cpp	2016-07-25 15:32:48.060956373 -0700
@@ -276,7 +276,6 @@
   guarantee(num_workers > 0, "Trying to execute task %s with zero workers", task->name());
   uint old_num_workers = _active_workers;
   update_active_workers(num_workers);
-  guarantee(_active_workers == num_workers, "active workers %u num_workers %u", _active_workers, num_workers);
   _dispatcher->coordinator_execute_on_workers(task, num_workers);
   update_active_workers(old_num_workers);
 }