Whoops. New bug?
Whoops. New bug?

Previous commit¹ had a thinko and was attempting to treat a file
created in the previous test as a directory. This is now fixed, but it
seems like there's another “Malformed UTF-8” issue.

¹ – https://github.com/perl6/roast/commit/a7590d6543e1d29bc935377c727e4d15e38ee713

perl6/roast,dogbert17/roast,dogbert17/roast