A misleading warning message from the DELETE statement

DROP TABLE IF EXISTS t0;

CREATE TABLE t0(c0 INT);

INSERT INTO t0 VALUES (1);

DELETE FROM t0 WHERE IFNULL((-1) | (-1), 0);

SHOW WARNINGS;

mysql> SHOW WARNINGS;

+---------+------+-----------------------------------------------------------------------------+

| Level   | Code | Message                                                                     |

+---------+------+-----------------------------------------------------------------------------+

| Warning | 1916 | Got overflow when converting '18446744073709551615' to INT. Value truncated |

+---------+------+-----------------------------------------------------------------------------+

1 row in set (0.00 sec)

DROP TABLE IF EXISTS t0;

CREATE TABLE t0(c0 INT);

INSERT INTO t0 VALUES (1);

UPDATE t0 SET c0 = 2 WHERE IFNULL((-1) | (-1), 0);

SHOW WARNINGS;