--- old/src/share/vm/gc/cms/parNewGeneration.cpp	2015-06-12 14:48:30.564123020 +0200
+++ new/src/share/vm/gc/cms/parNewGeneration.cpp	2015-06-12 14:48:30.448119240 +0200
@@ -804,7 +804,7 @@
 void ParNewRefProcTaskExecutor::execute(ProcessTask& task)
 {
   GenCollectedHeap* gch = GenCollectedHeap::heap();
-  FlexibleWorkGang* workers = gch->workers();
+  WorkGang* workers = gch->workers();
   assert(workers != NULL, "Need parallel worker threads.");
   _state_set.reset(workers->active_workers(), _generation.promotion_failed());
   ParNewRefProcTaskProxy rp_task(task, _generation, *_generation.next_gen(),
@@ -817,7 +817,7 @@
 void ParNewRefProcTaskExecutor::execute(EnqueueTask& task)
 {
   GenCollectedHeap* gch = GenCollectedHeap::heap();
-  FlexibleWorkGang* workers = gch->workers();
+  WorkGang* workers = gch->workers();
   assert(workers != NULL, "Need parallel worker threads.");
   ParNewRefEnqueueTaskProxy enq_task(task);
   workers->run_task(&enq_task);
@@ -891,7 +891,7 @@
   _gc_timer->register_gc_start();
 
   AdaptiveSizePolicy* size_policy = gch->gen_policy()->size_policy();
-  FlexibleWorkGang* workers = gch->workers();
+  WorkGang* workers = gch->workers();
   assert(workers != NULL, "Need workgang for parallel work");
   uint active_workers =
        AdaptiveSizePolicy::calc_active_workers(workers->total_workers(),