[PATCH] D39203: [raw_fd_ostream] report actual error in error messages

[Reid Kleckner via Phabricator via llvm-commits]

rnk added a comment.

Oh, do you think this is worth a unit test? It should be easy to add one for "file not found" or something, if you try creating a file in a directory that doesn't exist.


https://reviews.llvm.org/D39203