[Bug libstdc++/109941] [feat req] Add an option to mark STL types as nodiscard

[roi.jacobson1 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109941

--- Comment #6 from Roy Jacobson <roi.jacobson1 at gmail dot com> ---
Also worth mentioning that clang-tidy diagnoses this under
bugprone-unused-return-value since May 23.