--- old/src/share/vm/gc/parallel/gcTaskManager.hpp	2016-07-01 15:34:52.351055292 -0700
+++ new/src/share/vm/gc/parallel/gcTaskManager.hpp	2016-07-01 15:34:52.235055296 -0700
@@ -556,8 +556,8 @@
   GCTaskThread* install_worker(uint worker_id);
   // Add GC workers as needed.
   void add_workers(bool initializing);
-  // Return the thread name of a worker
-  char *worker_name(uint which);
+  // Base name (without worker id #) of threads.
+  const char* group_name();
 };
 
 //