UBSAN invalid-bool-load in ha_federated::end_bulk_insert on INSERT to Federated GTT

INSTALL SONAME 'ha_federated';

CREATE SERVER srv FOREIGN DATA WRAPPER mysql OPTIONS (SOCKET'',DATABASE'',USER'',PASSWORD'');

CREATE GLOBAL TEMPORARY TABLE t (c INT) CONNECTION='srv/t' ENGINE=Federated;

INSERT t VALUES (0),(0),(0);

/test/bb-12.2-nikita-global-tmp_dbg_san/storage/federated/ha_federated.cc:2040:8: runtime error: load of value 165, which is not a valid value for type 'bool'

    #0 0x76d01e37b24c in ha_federated::end_bulk_insert() /test/bb-12.2-nikita-global-tmp_dbg_san/storage/federated/ha_federated.cc:2040:8

    #1 0x5fb5be7bb61a in mysql_insert(THD*, TABLE_LIST*, List<Item>&, List<List<Item>>&, List<Item>&, List<Item>&, enum_duplicates, bool, select_result*) /test/bb-12.2-nikita-global-tmp_dbg_san/sql/sql_insert.cc:1267:11

    #2 0x5fb5be93091e in mysql_execute_command(THD*, bool) /test/bb-12.2-nikita-global-tmp_dbg_san/sql/sql_parse.cc:4476:10

    #3 0x5fb5be9059a8 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/bb-12.2-nikita-global-tmp_dbg_san/sql/sql_parse.cc:7911:18

    #4 0x5fb5be8ff161 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/bb-12.2-nikita-global-tmp_dbg_san/sql/sql_parse.cc:1898:7

    #5 0x5fb5be907dda in do_command(THD*, bool) /test/bb-12.2-nikita-global-tmp_dbg_san/sql/sql_parse.cc:1437:17

    #6 0x5fb5bf10c3dc in do_handle_one_connection(CONNECT*, bool) /test/bb-12.2-nikita-global-tmp_dbg_san/sql/sql_connect.cc:1414:11

    #7 0x5fb5bf10bee5 in handle_one_connection /test/bb-12.2-nikita-global-tmp_dbg_san/sql/sql_connect.cc:1326:5

    #8 0x5fb5bd8c4a8a in asan_thread_start(void*) crtstuff.c

    #9 0x7ad0f4a9ca93 in start_thread nptl/pthread_create.c:447:8

    #10 0x7ad0f4b29c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

SUMMARY: UndefinedBehaviorSanitizer: invalid-bool-load /test/bb-12.2-nikita-global-tmp_dbg_san/storage/federated/ha_federated.cc:2040:8 

/test/bb-12.2-nikita-global-tmp_opt_san/storage/federated/ha_federated.cc:2040:8: runtime error: load of value 190, which is not a valid value for type 'bool'

    #0 0x6f3375378d50 in ha_federated::end_bulk_insert() /test/bb-12.2-nikita-global-tmp_opt_san/storage/federated/ha_federated.cc:2040:8

    #1 0x6261060e53eb in mysql_insert(THD*, TABLE_LIST*, List<Item>&, List<List<Item>>&, List<Item>&, List<Item>&, enum_duplicates, bool, select_result*) /test/bb-12.2-nikita-global-tmp_opt_san/sql/sql_insert.cc:1267:11

    #2 0x626106250d14 in mysql_execute_command(THD*, bool) /test/bb-12.2-nikita-global-tmp_opt_san/sql/sql_parse.cc:4476:10

    #3 0x62610622c7e5 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/bb-12.2-nikita-global-tmp_opt_san/sql/sql_parse.cc:7911:18

    #4 0x6261062249ad in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/bb-12.2-nikita-global-tmp_opt_san/sql/sql_parse.cc:1898:7

    #5 0x62610622e720 in do_command(THD*, bool) /test/bb-12.2-nikita-global-tmp_opt_san/sql/sql_parse.cc:1437:17

    #6 0x626106a591bc in do_handle_one_connection(CONNECT*, bool) /test/bb-12.2-nikita-global-tmp_opt_san/sql/sql_connect.cc:1414:11

    #7 0x626106a58cd6 in handle_one_connection /test/bb-12.2-nikita-global-tmp_opt_san/sql/sql_connect.cc:1326:5

    #8 0x62610520caca in asan_thread_start(void*) crtstuff.c

    #9 0x73346469ca93 in start_thread nptl/pthread_create.c:447:8

    #10 0x733464729c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

SUMMARY: UndefinedBehaviorSanitizer: invalid-bool-load /test/bb-12.2-nikita-global-tmp_opt_san/storage/federated/ha_federated.cc:2040:8