--- old/src/share/vm/gc/parallel/gcTaskManager.cpp	2016-07-07 21:14:05.256288342 -0700
+++ new/src/share/vm/gc/parallel/gcTaskManager.cpp	2016-07-07 21:14:05.140288346 -0700
@@ -390,7 +390,7 @@
 
   _created_workers = WorkerManager::add_workers(this,
                                                 _active_workers,
-                                                (uint) _workers,
+                                                _workers,
                                                 _created_workers,
                                                 worker_type,
                                                 initializing);
@@ -400,7 +400,7 @@
 }
 
 const char* GCTaskManager::group_name() {
-  return GCTaskThread::task_name();
+  return "ParGC Thread";
 }
 
 void GCTaskManager::initialize() {