mariadb/mysql-test/suite/roles/grant_proxy-5526.test

--source include/not_embedded.inc
#
# MDEV-5526 Assertion `proxied_user->host.length' fails on GRANT PROXY ON <role>
#
create role r1;
create user user;
grant proxy on r1 to user;
show grants for user;
drop user user;
drop role r1;