LJ_TRLINK_TAILREC 1412 lj_record.c    	rec_stop(J, LJ_TRLINK_TAILREC, J->cur.traceno);  /* Tail-recursion. */
LJ_TRLINK_TAILREC 1488 lj_record.c        rec_stop(J, LJ_TRLINK_TAILREC, J->cur.traceno);  /* Extra tail-recursion. */