Domain casting still doesn't work right

[Peter Eisentraut <peter_e(at)gmx(dot)net>]

Here's another example of domain casting not working right:

create domain foo as varchar;
select cast(x.y as foo) from (select 'foo') as x(y);
ERROR:  coerce_type: no conversion function from "unknown" to foo

-- 
Peter Eisentraut   peter_e(at)gmx(dot)net