Memory leak with recursive CTE that uses global ORDER BY with recursive subquery

SET @@max_recursive_iterations = 2;

WITH RECURSIVE qn AS (

SELECT 1 FROM dual UNION ALL

SELECT 1 FROM qn

ORDER BY (SELECT * FROM qn))

SELECT count(*) FROM qn;

mysqld: /home/igor/maria-git/10.2-test/sql/sql_class.cc:1647: virtual THD::~THD(): Assertion `status_var.local_memory_used == 0 || !debug_assert_on_not_freed_memory' failed.