[Bug libstdc++/117630] Useless atexit entry for generic_category_instance and system_category_instance

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117630

--- Comment #21 from Jonathan Wakely <redi at gcc dot gnu.org> ---
If you're able to test it and see if it makes a difference for you, that would
be great.