crash in create_tmp_table

--source include/have_innodb.inc

drop table if exists `t1`,`t2`;

create table `t1`(`a` char(1) character set utf8)engine=innodb;

create table `t2`(`b` char(1) character set utf8)engine=memory;

select distinct (select 1 from `t2` where `a`) `d2` from `t1`;

Version: '10.0.0-MariaDB-log'  socket: ''  port: 3306  Source distribution

121228  8:08:23 [ERROR] mysqld got exception 0xc0000005 ;

mysqld.exe!create_tmp_table()[sql_select.cc:14866]

mysqld.exe!JOIN::init_execution()[sql_select.cc:1889]

mysqld.exe!JOIN::exec_inner()[sql_select.cc:2452]

mysqld.exe!JOIN::exec()[sql_select.cc:2262]

mysqld.exe!mysql_select()[sql_select.cc:3192]

mysqld.exe!handle_select()[sql_select.cc:362]

mysqld.exe!execute_sqlcom_select()[sql_parse.cc:4937]

mysqld.exe!mysql_execute_command()[sql_parse.cc:2421]

mysqld.exe!mysql_parse()[sql_parse.cc:6061]

mysqld.exe!dispatch_command()[sql_parse.cc:1219]

mysqld.exe!do_command()[sql_parse.cc:951]

mysqld.exe!threadpool_process_request()[threadpool_common.cc:225]

mysqld.exe!io_completion_callback()[threadpool_win.cc:568]