https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82891
--- Comment #3 from Daniel Krügler <daniel.kruegler at googlemail dot com> --- (In reply to Daniel Krügler from comment #2) > (In reply to Tony E Lewis from comment #1) > > I should say that I've also raised the same issue against libc++ : > > > > https://bugs.llvm.org/show_bug.cgi?id=35235 > > There is now an LWG issue submission request waiting to become published for > this. I'll return when it has been added. There exists now an official LWG issue for this: http://cplusplus.github.io/LWG/lwg-active.html#3031