[libcxx-commits] [libcxx] [libc++] Port #200996 to ostream (PR #226372)

[Nico Weber via libcxx-commits]

nico wrote:

@frederick-vs-ja Is the "Thumbs up" emoji reaction means as a PR approval, or more as a "I'll look at it in a bit"? 🙂

https://github.com/llvm/llvm-project/pull/226372