[Bug c++/122442] [enhancement] namespace control for -Werror=deprecated-declarations

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122442

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes, for every -Wxxx you automatically get -Wno-xxx and -Werror=xxx and
-Wno-error=xxx