UBSAN downcast of address X which does not point to an object of type 'Field_num' in Type_handler_long::make_conversion_table_field

CREATE OR REPLACE TABLE t1(c1 SERIAL,c2 CHAR(1)) ;

BINLOG ' SOgWTg8BAAAAbgAAAHIAAAAAAAQANS42LjMtbTUtZGVidWctbG9nAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAABI6BZOEzgNAAgAEgAEBAQEEgAAVgAEGggAAAAICAgCAAAAAAVAYI8=';

SET GLOBAL SLAVE_TYPE_CONVERSIONS='ALL_NON_LOSSY';

--ERROR ER_UNKNOWN_ERROR

BINLOG 'wlZOTxMBAAAAKgAAADwCAAAAACkAAAAAAAEABHRlc3QAAnQxAAIDAwAC wlZOTxcBAAAAJgAAAGICAAAAACkAAAAAAAEAAv/8AgAAAAgAAAA=';

/test/11.5_opt_san/sql/sql_type.cc:2475:37: runtime error: downcast of address 0x619000064808 which does not point to an object of type 'Field_num'

0x619000064808: note: object is of type 'Field_varstring'

 be be be be  b0 3d e1 2e c5 55 00 00  d1 45 06 00 90 61 00 00  c8 45 06 00 90 61 00 00  98 40 06 00

              ^~~~~~~~~~~~~~~~~~~~~~~

              vptr for 'Field_varstring'

    #0 0x55c52a871c57 in Type_handler_long::make_conversion_table_field(st_mem_root*, TABLE*, unsigned int, Field const*) const /test/11.5_opt_san/sql/sql_type.cc:2475

    #1 0x55c52a2d98ce in Virtual_conversion_table::add(Type_handler const*, unsigned short, Field const*) /test/11.5_opt_san/sql/rpl_utility_server.cc:1053

    #2 0x55c52a2d98ce in table_def::create_conversion_table(THD*, rpl_group_info*, TABLE*) const /test/11.5_opt_san/sql/rpl_utility_server.cc:1099

    #3 0x55c52a2dc50b in table_def::compatible_with(THD*, rpl_group_info*, TABLE*, TABLE**) const /test/11.5_opt_san/sql/rpl_utility_server.cc:971

    #4 0x55c52be1395a in Rows_log_event::do_apply_event(rpl_group_info*) /test/11.5_opt_san/sql/log_event_server.cc:4984

    #5 0x55c52bdd3d25 in Log_event::apply_event(rpl_group_info*) /test/11.5_opt_san/sql/log_event.cc:3932

    #6 0x55c52a272815 in save_restore_context_apply_event(Log_event*, rpl_group_info*) /test/11.5_opt_san/sql/sql_binlog.cc:188

    #7 0x55c52a274634 in mysql_client_binlog_statement(THD*) /test/11.5_opt_san/sql/sql_binlog.cc:428

    #8 0x55c5299d83d0 in mysql_execute_command(THD*, bool) /test/11.5_opt_san/sql/sql_parse.cc:5756

    #9 0x55c52995eea0 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/11.5_opt_san/sql/sql_parse.cc:7867

    #10 0x55c5299b4ba0 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/11.5_opt_san/sql/sql_parse.cc:1892

    #11 0x55c5299c102d in do_command(THD*, bool) /test/11.5_opt_san/sql/sql_parse.cc:1405

    #12 0x55c52a35712d in do_handle_one_connection(CONNECT*, bool) /test/11.5_opt_san/sql/sql_connect.cc:1447

    #13 0x55c52a35979c in handle_one_connection /test/11.5_opt_san/sql/sql_connect.cc:1349

    #14 0x14a42d829608 in start_thread /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477

    #15 0x14a42ca9e132 in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x11f132)