MarkQueueAndStack 1123 MMgc/GC.cpp    			MarkQueueAndStack();
MarkQueueAndStack 3074 MMgc/GC.cpp    		MarkQueueAndStack(scanStack);
MarkQueueAndStack 3088 MMgc/GC.cpp    			MarkQueueAndStack(scanStack);						//       to true again
MarkQueueAndStack 1524 MMgc/GC.h      		void MarkQueueAndStack(bool scanStack=true);