AllocaStackSegment 3596 MMgc/GC.cpp     		AllocaStackSegment* seg = mmfx_new(AllocaStackSegment);
AllocaStackSegment 3613 MMgc/GC.cpp     		AllocaStackSegment* seg = top_segment;
AllocaStackSegment 1686 MMgc/GC.h      			AllocaStackSegment* prev;	// segments further from the top
AllocaStackSegment 1697 MMgc/GC.h      		AllocaStackSegment* top_segment;// segment at the stack top