Using two temporary tables in OPTIMIZE TABLE lead to crash

CREATE TEMPORARY TABLE t1 (c INT) ENGINE=MyISAM;

CREATE TEMPORARY TABLE t2 (c INT) ENGINE=MyISAM;

PREPARE s FROM 'optimize TABLE t1,t2';

EXECUTE s;

SHOW TABLES;

/test/mtest/MDEV-5816/11.1_opt_san/sql/sql_show.cc:5315:44: runtime error: member access within null pointer of type 'struct TABLE'

    #0 0x5564335b3acb in get_all_tables(THD*, TABLE_LIST*, Item*) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_show.cc:5315

    #1 0x5564335bc9bc in get_schema_tables_result(JOIN*, enum_schema_table_state) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_show.cc:9129

    #2 0x5564334b801c in JOIN::exec_inner() /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_select.cc:4890

    #3 0x5564334be849 in JOIN::exec() /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_select.cc:4710

    #4 0x5564334abc6c in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_select.cc:5239

    #5 0x5564334af873 in handle_select(THD*, LEX*, select_result*, unsigned long long) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_select.cc:627

    #6 0x55643308bb3f in execute_sqlcom_select /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_parse.cc:6030

    #7 0x5564330da217 in mysql_execute_command(THD*, bool) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_parse.cc:3944

    #8 0x55643305b2f0 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_parse.cc:7769

    #9 0x5564330b09a8 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_parse.cc:1892

    #10 0x5564330bc14d in do_command(THD*, bool) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_parse.cc:1405

    #11 0x5564339ec6bd in do_handle_one_connection(CONNECT*, bool) /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_connect.cc:1416

    #12 0x5564339eed2c in handle_one_connection /test/mtest/MDEV-5816/11.1_opt_san/sql/sql_connect.cc:1318

    #13 0x150b40c80608 in start_thread /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477

    #14 0x150b3fef5132 in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x11f132)

230622  7:06:53 [ERROR] mysqld got signal 11 ;

-DWITH_UBSAN=ON -DCMAKE_CXX_FLAGS=-static-libasan