GC_hidden_pointer  771 gc/include/gc.h #   define HIDE_POINTER(p) (~(GC_hidden_pointer)(p))
GC_hidden_pointer   40 gc/include/private/dbg_mlc.h #   define HIDE_POINTER(p) (~(GC_hidden_pointer)(p))
GC_hidden_pointer   93 gc/include/private/dbg_mlc.h 	  GC_hidden_pointer oh_back_ptr;
GC_hidden_pointer   96 gc/include/private/dbg_mlc.h 	  GC_hidden_pointer oh_bg_ptr;