--- old/src/share/vm/gc_implementation/g1/concurrentMark.cpp	2014-06-18 08:47:17.280227292 +0200
+++ new/src/share/vm/gc_implementation/g1/concurrentMark.cpp	2014-06-18 08:47:17.171228893 +0200
@@ -3771,7 +3771,7 @@
   // of things to do) or totally (at the very end).
   size_t target_size;
   if (partially) {
-    target_size = MIN2((size_t)_task_queue->max_elems()/3, GCDrainStackTargetSize);
+    target_size = MIN2((_task_queue->max_elems()/3), GCDrainStackTargetSize);
   } else {
     target_size = 0;
   }