GC_change_stubborn  642 gc/dbg_mlc.c       GC_change_stubborn(q);
GC_change_stubborn  300 gc/include/gc.h GC_API void GC_change_stubborn GC_PROTO((GC_PTR));
GC_change_stubborn  597 gc/include/gc.h #   define GC_CHANGE_STUBBORN(p) GC_change_stubborn(p)
GC_change_stubborn  108 gc/mallocx.c   	        if (obj_kind == STUBBORN) GC_change_stubborn(p);