CREATE TABLE t1 (a int PRIMARY KEY, b varchar(1));

INSERT INTO t1 VALUES (262,'8');

--source include/restart_mysqld.inc

SELECT 1 FROM t1 

WHERE (1 IN (SELECT 8 UNION SELECT 5)) OR t1.a = 140 

LIMIT ROWS EXAMINED 5;

#3  <signal handler called>

#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

#5  0x00007fa726afb535 in __GI_abort () at abort.c:79

#6  0x00007fa726afb40f in __assert_fail_base (fmt=0x7fa726c5dee0 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x563cb630d218 "0", file=0x563cb630cefc "/10.4/sql/protocol.cc", line=617, function=<optimized out>) at assert.c:92

#7  0x00007fa726b09102 in __GI___assert_fail (assertion=0x563cb630d218 "0", file=0x563cb630cefc "/10.4/sql/protocol.cc", line=617, function=0x563cb630d890 <Protocol::end_statement()::__PRETTY_FUNCTION__> "void Protocol::end_statement()") at assert.c:101

#8  0x0000563cb5532d3d in Protocol::end_statement (this=0x7fa710001318) at /10.4/sql/protocol.cc:617

#9  0x0000563cb5658624 in dispatch_command (command=COM_QUERY, thd=0x7fa710000d50, packet=0x7fa710008751 "SELECT 1 FROM t1 \nWHERE (1 IN (SELECT 8 UNION SELECT 5)) OR t1.a = 140 \nLIMIT ROWS EXAMINED 5", packet_length=93, is_com_multi=false, is_next_command=false) at /10.4/sql/sql_parse.cc:2433

#10 0x0000563cb5654bc3 in do_command (thd=0x7fa710000d50) at /10.4/sql/sql_parse.cc:1359

#11 0x0000563cb57dbb8c in do_handle_one_connection (connect=0x563cb8900590) at /10.4/sql/sql_connect.cc:1412

#12 0x0000563cb57db8db in handle_one_connection (arg=0x563cb8900590) at /10.4/sql/sql_connect.cc:1316

#13 0x0000563cb61c4ca6 in pfs_spawn_thread (arg=0x563cb884e220) at /10.4/storage/perfschema/pfs.cc:1869

#14 0x00007fa7275a1fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486

#15 0x00007fa726bd24cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95