--- old/src/hotspot/share/gc/shared/taskqueue.hpp 2018-11-30 15:40:41.298870887 +0100 +++ new/src/hotspot/share/gc/shared/taskqueue.hpp 2018-11-30 15:40:40.855857635 +0100 @@ -507,6 +507,7 @@ // warning C4522: multiple assignment operators specified #pragma warning(disable:4522) #endif + class TaskTerminator : public StackObj { private: ParallelTaskTerminator* _terminator;