Assertion `arena_for_set_stmt== 0' failed in LEX::set_arena_for_set_stmt upon SET STATEMENT

CREATE TABLE t1 (a INT);

CREATE PROCEDURE sp() BEGIN END;

--delimiter $

CREATE EVENT ev ON SCHEDULE EVERY 1 SECOND 

DO 

  CALL sp;

  ALTER TABLE t1 NOWAIT;

  SET STATEMENT lock_wait_timeout=1 FOR ALTER TABLE t1 ADD b INT

$

--delimiter ;

# Cleanup

DROP EVENT ev;

DROP PROCEDURE sp;

DROP TABLE t1;

mysqld: /data/src/10.3/sql/sql_lex.cc:4926: bool LEX::set_arena_for_set_stmt(Query_arena*): Assertion `arena_for_set_stmt== 0' failed.

181114 13:31:22 [ERROR] mysqld got signal 6 ;

#7  0x00007fbe97844ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x000056302da982d8 in LEX::set_arena_for_set_stmt (this=0x7fbe800048e8, backup=0x7fbe919ea6d0) at /data/src/10.3/sql/sql_lex.cc:4926

#9  0x000056302dabd05e in mysql_execute_command (thd=0x7fbe80000b00) at /data/src/10.3/sql/sql_parse.cc:3481

#10 0x000056302dacba09 in mysql_parse (thd=0x7fbe80000b00, rawbuf=0x7fbe80014d28 "SET STATEMENT lock_wait_timeout=1 FOR ALTER TABLE t1 ADD b INT", length=62, parser_state=0x7fbe919eb5f0, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:8090

#11 0x000056302dab9081 in dispatch_command (command=COM_QUERY, thd=0x7fbe80000b00, packet=0x7fbe8000b1e1 "", packet_length=143, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1940

#12 0x000056302dab75f3 in do_command (thd=0x7fbe80000b00) at /data/src/10.3/sql/sql_parse.cc:1395

#13 0x000056302dc1f07a in do_handle_one_connection (connect=0x5630315fdb30) at /data/src/10.3/sql/sql_connect.cc:1402

#14 0x000056302dc1edfe in handle_one_connection (arg=0x5630315fdb30) at /data/src/10.3/sql/sql_connect.cc:1308

#15 0x000056302e0b3053 in pfs_spawn_thread (arg=0x563031611490) at /data/src/10.3/storage/perfschema/pfs.cc:1862

#16 0x00007fbe99300494 in start_thread (arg=0x7fbe919ec700) at pthread_create.c:333

#17 0x00007fbe9790193f in clone () from /lib/x86_64-linux-gnu/libc.so.6