[libcxx-commits] [libcxx] [libc++] Always return bool from bitset::operator[](size_t) const (PR #169894)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne requested changes to this pull request.

I think this is probably reasonable, however I would like to provide an opt-out for two releases so we give people an easy way to work around issues and provide feedback in case anybody runs into problems.

https://github.com/llvm/llvm-project/pull/169894