[Bug libstdc++/71415] std::filesystem::exists that does not throw sets error code if file does not exist

[marejde at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71415

--- Comment #5 from Martin Ejdestig <marejde at gmail dot com> ---
(In reply to Jonathan Wakely from comment #4)
> A new issue should get added to 
> http://cplusplus.github.io/LWG/lwg-active.html

Thank you.