Assertion `expr == default_value->expr' failed in make_empty_rec_store_default / ERROR 1901 (on optimized builds)

CREATE TABLE t1 ( c1 varchar(1) DEFAULT '4' );

ALTER TABLE t1 ALTER COLUMN c1 SET DEFAULT (SELECT 4);

mysqld: /10.4/sql/unireg.cc:987: bool make_empty_rec_store_default(THD*, Field*, Virtual_column_info*): Assertion `expr == default_value->expr' failed.

190425 15:19:27 [ERROR] mysqld got signal 6 ;

linux/raise.c:54(__GI_raise)[0x7fd9646a1428]

stdlib/abort.c:91(__GI_abort)[0x7fd9646a302a]

assert/assert.c:92(__assert_fail_base)[0x7fd964699bd7]

/lib/x86_64-linux-gnu/libc.so.6(+0x2dc82)[0x7fd964699c82]

sql/unireg.cc:988(make_empty_rec_store_default(THD*, Field*, Virtual_column_info*))[0x55cf13d13ad4]

sql/unireg.cc:1063(make_empty_rec(THD*, unsigned char*, unsigned int, List<Create_field>&, unsigned int, unsigned long))[0x55cf13d1443c]

sql/unireg.cc:428(build_frm_image(THD*, st_mysql_const_lex_string const&, HA_CREATE_INFO*, List<Create_field>&, unsigned int, st_key*, handler*))[0x55cf13d0e637]

sql/sql_table.cc:4791(mysql_create_frm_image(THD*, st_mysql_const_lex_string const&, st_mysql_const_lex_string const&, HA_CREATE_INFO*, Alter_info*, int, st_key**, unsigned int*, st_mysql_const_unsigned_lex_string*))[0x55cf13c24bd2]

sql/sql_table.cc:5026(create_table_impl(THD*, st_mysql_const_lex_string const&, st_mysql_const_lex_string const&, st_mysql_const_lex_string const&, st_mysql_const_lex_string const&, char const*, DDL_options_st, HA_CREATE_INFO*, Alter_info*, int, bool*, st_key**, unsigned int*, st_mysql_const_unsigned_lex_string*))[0x55cf13c25fba]

sql/sql_table.cc:9845(mysql_alter_table(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, unsigned int, st_order*, bool))[0x55cf13c43650]

sql/sql_alter.cc:496(Sql_cmd_alter_table::execute(THD*))[0x55cf13d93761]

sql/sql_parse.cc:6344(mysql_execute_command(THD*))[0x55cf13a2ad7a]

sql/sql_parse.cc:8154(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55cf13a353d4]

sql/sql_parse.cc:1834(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55cf13a0e084]

sql/sql_parse.cc:1365(do_command(THD*))[0x55cf13a0afc3]

sql/sql_connect.cc:1398(do_handle_one_connection(CONNECT*))[0x55cf13d7e915]

sql/sql_connect.cc:1302(handle_one_connection)[0x55cf13d7e2df]

perfschema/pfs.cc:1864(pfs_spawn_thread)[0x55cf1511b827]

/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7fd9654e26ba]

x86_64/clone.S:111(clone)[0x7fd96477341d]

Query (0x62b00007e288): ALTER TABLE t1 ALTER COLUMN c1 SET DEFAULT (SELECT 4)