[libcxx-commits] [libcxx] [libc++] Diagnose unused variables of container types (PR #203084)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

> We'd appreciate it If you had introduced a macro instead of using `[[__gnu__::__warn_unused__]]` directly, so that we could keep the existing warnings, while disabling these ones with a targeted fix, hopefully temporarily.

If you can explain how this is helpful for later patches similar to this and not just a one-time nicety that in the end just reduces readability I'm happy to do so.

https://github.com/llvm/llvm-project/pull/203084