OBJ_INVALID 41 gc/obj_map.c MAP_ENTRY(GC_invalid_map, displ) = OBJ_INVALID; OBJ_INVALID 121 gc/obj_map.c MAP_ENTRY(new_map,displ) = OBJ_INVALID; OBJ_INVALID 167 gc/ptr_chck.c if (map_entry == OBJ_INVALID