Creation of view with UNION and SELECT ... FOR UPDATE in definition is failed with error

CREATE TABLE t1 (i INT);

create view v1 as SELECT 1 FROM t1

UNION

SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1

  FOR UPDATE;

select * from v1;

drop view v1;

1

1

query 'select * from v1' failed: ER_PARSE_ERROR (1064): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'order by 1' at line 1