[libcxx-commits] [libcxx] [libc++] Apply `[[gnu::pure]]` to `get_new_handler` (PR #220847)

[Hristo Hristov via libcxx-commits]

Zingam wrote:

@frederick-vs-ja @philnik777 Should we update the `[[nodiscard]]` guidelines with the conditions when to apply `[[gnu::pure]]`` instead?

https://github.com/llvm/llvm-project/pull/220847