--- a/src/hotspot/share/gc/cms/parNewGeneration.cpp	Wed Jun 20 11:47:07 2018 +0100
+++ b/src/hotspot/share/gc/cms/parNewGeneration.cpp	Tue Jun 19 10:00:39 2018 -0400
@@ -203,7 +203,7 @@
   const size_t num_overflow_elems = of_stack->size();
   const size_t space_available = queue->max_elems() - queue->size();
   const size_t num_take_elems = MIN3(space_available / 4,
-                                     ParGCDesiredObjsFromOverflowList,
+                                     (size_t)ParGCDesiredObjsFromOverflowList,
                                      num_overflow_elems);
   // Transfer the most recent num_take_elems from the overflow
   // stack to our work queue.