https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28103
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Paolo Carlini from comment #2) > Basing on posts to the LWG reflector + private converstation, it seems > likely that the standard is moving to the behavior which is currently > implemented by libstdc++, relatively to badbit vs failbit. Therefore, for > now I'm suspending the PR, will add a DR number in due course. In any case, > we don't lack tricky iostreams corner cases to work on... ;) It looks like Martin did file this, as LWG 394, which was closed as NAD. https://cplusplus.github.io/LWG/issue394