REF_DELETING     2416 refs.c         	if (flags & REF_DELETING) {
REF_DELETING     4166 refs.c         			update->flags |= REF_DELETING;
REF_DELETING     4188 refs.c         		    !(update->flags & REF_DELETING)) {
REF_DELETING     4254 refs.c         		if (update->flags & REF_DELETING) {