MarkAllRoots     1117 MMgc/GC.cpp    		MarkAllRoots();
MarkAllRoots     2515 MMgc/GC.cpp    		MarkAllRoots();
MarkAllRoots     2593 MMgc/GC.cpp    		MarkAllRoots(true);
MarkAllRoots     3073 MMgc/GC.cpp    		MarkAllRoots();
MarkAllRoots     1522 MMgc/GC.h      		void MarkAllRoots(bool deep=false);