[libcxx-commits] [libcxx] [libc++] Finish converting __wrap_iter::operator<, == to C++20 (PR #193287)

[A. Jiang via libcxx-commits]

frederick-vs-ja wrote:

I don't know whether it is meaningful to make some iterator operations `constexpr` in C++11 as others need to be `constexpr` only since  C++14. Otherwise LGTM.

https://github.com/llvm/llvm-project/pull/193287