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

[avi at scylladb dot com via Gcc-bugs]

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

--- Comment #1 from Avi Kivity <avi at scylladb dot com> ---
clang: https://github.com/llvm/llvm-project/issues/165230