--- old/src/share/vm/gc/shared/workgroup.cpp	2017-03-13 09:18:22.693588624 -0400
+++ new/src/share/vm/gc/shared/workgroup.cpp	2017-03-13 09:18:22.632588725 -0400
@@ -261,6 +261,16 @@
     _dispatcher(create_dispatcher())
 { }
 
+
+WorkGang::WorkGang(const char* name,
+                   uint  workers,
+                   bool  are_GC_task_threads,
+                   bool  are_ConcurrentGC_threads,
+                   GangTaskDispatcher* dispatcher) :
+    AbstractWorkGang(name, workers, are_GC_task_threads, are_ConcurrentGC_threads),
+    _dispatcher(dispatcher)
+{ }
+
 AbstractGangWorker* WorkGang::allocate_worker(uint worker_id) {
   return new GangWorker(this, worker_id);
 }