gc_mark_maybe     858 gc.c           static void gc_mark_maybe(rb_objspace_t *objspace, VALUE ptr);
gc_mark_maybe    3957 gc.c           	gc_mark_maybe(objspace, v);
gc_mark_maybe    4208 gc.c               gc_mark_maybe(&rb_objspace, obj);
gc_mark_maybe    4422 gc.c           	    gc_mark_maybe(objspace, (VALUE)RANY(obj)->as.imemo.ifunc.data);
gc_mark_maybe    4427 gc.c           	    gc_mark_maybe(objspace, RANY(obj)->as.imemo.memo.u3.value);