create or replace table t1 (pk int primary key, x int) with system versioning;

create or replace trigger tr1upd after update on t1 for each row call log('UPD');

insert into t1 values(1,1);

delete from t1;

mysqld: ../sql/sql_trigger.cc:2193: bool Table_triggers_list::process_triggers(THD*, trg_event_type, trg_action_time_type, bool): Assertion `trigger_table->pos_in_table_list->trg_event_map & static_cast<uint>(1 << static_cast<int>(event))' failed.

/home/foo/src/mariadb/bld/sql/mysqld(my_print_stacktrace+0x4f)[0x55c0f54ab349]

mysys/stacktrace.c:269(my_print_stacktrace)[0x55c0f4cc5cc0]

sigaction.c:0(__restore_rt)[0x7f2a13758a80]

:0(__GI_raise)[0x7f2a10c4086b]

:0(__GI_abort)[0x7f2a10c2b40e]

loadmsgcat.c:0(_nl_load_domain.cold.0)[0x7f2a10c2b2e0]

:0(__GI___assert_fail)[0x7f2a10c39112]

/home/foo/src/mariadb/bld/sql/mysqld(_ZN19Table_triggers_list16process_triggersEP3THD14trg_event_type20trg_action_time_typeb+0x1ca)[0x55c0f4abd1e8]

sql/sql_trigger.cc:2195(Table_triggers_list::process_triggers(THD*, trg_event_type, trg_action_time_type, bool))[0x55c0f4acbaf0]

sql/sql_update.cc:925(mysql_update_inner(THD*, TABLE_LIST*, List<Item>&, List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned long long*, unsigned long long*))[0x55c0f4e71ee8]

sql/sql_delete.cc:361(mysql_delete(THD*, TABLE_LIST*, Item*, SQL_I_List<st_order>*, unsigned long long, unsigned long long, select_result*))[0x55c0f49d0e35]

sql/sql_parse.cc:4917(mysql_execute_command(THD*))[0x55c0f49db2f7]

sql/sql_parse.cc:8077(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55c0f49c8033]

sql/sql_parse.cc:1849(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55c0f49c6a43]

sql/sql_parse.cc:1391(do_command(THD*))[0x55c0f4b33dda]

sql/sql_connect.cc:1402(do_handle_one_connection(CONNECT*))[0x55c0f4b33b42]

pthread_create.c:0(start_thread)[0x7f2a1374e075]

:0(__GI___clone)[0x7f2a10d0253f]