[libcxx-commits] [libcxx] [libc++][test] Make tests for constexpr `hash<vector<bool>>` libc++-specific (PR #132617)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

More generally, do we actually want to have this extension? (Assuming I added it when I made `vector` constexpr) I didn't decide to make this an extension consciously. Given that there is so far no standard feature that requires a constexpr hasher it's unlikely anybody is depending on it.

https://github.com/llvm/llvm-project/pull/132617