Error 175 "File too short; Expected more data in file" upon SELECT with re-opened temporary table after concurrent OPTIMIZE and DDL

CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=Aria;

--connect (con1,localhost,root,,test)

CREATE TEMPORARY TABLE tmp (pk INT)  ENGINE=Aria;

INSERT INTO tmp (pk) VALUES (NULL); 

SELECT * FROM tmp tx, tmp ty;

DELETE FROM tmp LIMIT 1;

--connection default

--send

  CREATE TABLE t2 SELECT * FROM t1;

--connection con1

OPTIMIZE TABLE tmp;

--connection default

--reap

--connection con1

INSERT INTO tmp VALUES (1);

SELECT * FROM tmp tx, tmp ty;

# Cleanup

--disconnect con1

--connection default

DROP TABLE t1, t2;

mysqltest: At line 20: query 'SELECT * FROM tmp tx, tmp ty' failed: 1030: Got error 175 "File too short; Expected more data in file" from storage engine Aria

2018-11-10 19:27:57 140306518107904 [ERROR] Got error 175 when reading table '/data/bld/10.2/mysql-test/var/tmp/mysqld.1/#sql445c_a_2'

CREATE TABLE t1 (pk INT PRIMARY KEY);

--connect (con1,localhost,root,,test)

CREATE TEMPORARY TABLE tmp (pk INT);

INSERT INTO tmp (pk) VALUES (NULL); 

SELECT pk FROM t1 WHERE pk IN ( SELECT pk FROM tmp )

  UNION

SELECT pk FROM t1 WHERE pk IN ( SELECT pk FROM tmp );

DELETE FROM tmp LIMIT 1;

--connection default

--send

  CREATE TABLE t2 SELECT * FROM t1;

--connection con1

OPTIMIZE TABLE tmp;

--connection default

--reap

--connection con1

INSERT INTO tmp VALUES (1),(2);

DELETE FROM tmp LIMIT 1;

SELECT * FROM tmp tx, tmp ty;

# Cleanup

--disconnect con1

--connection default

DROP TABLE t1, t2;

mysqltest: At line 23: query 'SELECT * FROM tmp tx, tmp ty' failed: 1030: Got error 175 "File too short; Expected more data in file" from storage engine MyISAM

2018-11-10 19:28:34 140373883832064 [ERROR] Got error 175 when reading table '/data/bld/10.2/mysql-test/var/tmp/mysqld.1/#sql44b3_5_0'