src/share/vm/gc/shared/workgroup.cpp

*** 274,283 ****
--- 274,284 ----
  void WorkGang::run_task(AbstractGangTask* task, uint num_workers) {
    guarantee(num_workers <= total_workers(),
              "Trying to execute task %s with %u workers which is more than the amount of total workers %u.",
              task->name(), num_workers, total_workers());
    guarantee(num_workers > 0, "Trying to execute task %s with zero workers", task->name());
+   add_workers(num_workers, false);
    _dispatcher->coordinator_execute_on_workers(task, num_workers);
  }
  
  AbstractGangWorker::AbstractGangWorker(AbstractWorkGang* gang, uint id) {
    _gang = gang;