crashing with virtual columns

Version: '*10.3.6-MariaDB*'  socket: ''  port: 3306  mariadb.org binary distribution

180427 18:20:05 [ERROR] mysqld got exception 0xc0000005 ;

mysqld.exe!Item_func_or_sum::walk()[item.h:4617]

mysqld.exe!fix_session_vcol_expr()[table.cc:2879]

mysqld.exe!fix_all_session_vcol_exprs()[sql_base.cc:5090]

mysqld.exe!lock_tables()[sql_base.cc:5274]

mysqld.exe!open_and_lock_tables()[sql_base.cc:4917]

mysqld.exe!mysql_insert()[sql_insert.cc:766]

mysqld.exe!mysql_execute_command()[sql_parse.cc:4722]

mysqld.exe!mysql_parse()[sql_parse.cc:8006]

mysqld.exe!dispatch_command()[sql_parse.cc:1848]

mysqld.exe!do_command()[sql_parse.cc:1390]

mysqld.exe!threadpool_process_request()[threadpool_common.cc:358]

mysqld.exe!tp_callback()[threadpool_common.cc:186]

ntdll.dll!RtlDllShutdownInProgress()

ntdll.dll!DbgUiRemoteBreakin()

kernel32.dll!BaseThreadInitThunk()

ntdll.dll!RtlUserThreadStart()

set sql_mode='';

drop table if exists t;

create table t (

  a int generated always as (updatexml((@@global.date_format),1,substring_index(1,2,3))) virtual

) engine=innodb;

insert into t values();

insert ignore into t values();