--- old/src/share/vm/gc/parallel/gcTaskThread.hpp	2016-07-01 15:34:53.699055245 -0700
+++ new/src/share/vm/gc/parallel/gcTaskThread.hpp	2016-07-01 15:34:53.583055249 -0700
@@ -55,6 +55,8 @@
     return new GCTaskThread(manager, which, processor_id);
   }
  public:
+  static const char* task_name();
+
   static void destroy(GCTaskThread* manager) {
     if (manager != NULL) {
       delete manager;