https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107778
--- Comment #7 from cqwrteur <unlvsur at live dot com> --- (In reply to cqwrteur from comment #5) > (In reply to Jonathan Wakely from comment #4) > > (In reply to cqwrteur from comment #3) > > > Also why the function is not noexcept? > > > > Writing to streams can throw. > > > > If you don't like the default handler you can provide your own. > > then do not use stream use stdio instead