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

[rdiez-2006 at rd10 dot de via Gcc-bugs]

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

--- Comment #20 from R. Diez <rdiez-2006 at rd10 dot de> ---
(In reply to GCC Commits from comment #19)

Great, thanks for this optimisation.