DISTINCT Join between latin1 and UTF8 tables fails

create table tc (a varchar(256) not null) engine=csv;

create table td (a bigint, b varchar(256)) default charset=utf8 engine=columnstore;

select distinct(td.a), 'B1' AS bloc from td where td.b in (select a from tc where tc.a is not null);

ERROR 1815 (HY000): Internal error: IDB-2035: An internal error occurred.  Check the error log file & contact support.

/home/linuxjedi/Programming/Git/mariadb-columnstore-server/mariadb-columnstore-engine/dbcon/joblist/tupleconstantstep.cpp@156: assertion 'j < oidsIn.size()' failed