diff -r d58442b8abc1 -r 3e31a8beaae4 src/hotspot/share/gc/shared/workerDataArray.hpp
--- a/src/hotspot/share/gc/shared/workerDataArray.hpp	Thu Jun 27 03:33:44 2019 +0200
+++ b/src/hotspot/share/gc/shared/workerDataArray.hpp	Thu Jun 27 11:48:32 2019 +0200
@@ -34,7 +34,7 @@
 class WorkerDataArray  : public CHeapObj<mtGC> {
   friend class WDAPrinter;
 public:
-  static const uint MaxThreadWorkItems = 5;
+  static const uint MaxThreadWorkItems = 6;
 private:
   T*          _data;
   uint        _length;