[libcxx-commits] [libcxx] Reland: [libc++][format] P2637R3: Member visit (std::basic_format_arg) #76449 (PR #79032)

[Mark de Wever via libcxx-commits]

https://github.com/mordante approved this pull request.

@petrhosek the original patches worked in our Windows pre-commit CI. Can you verify this patch works for you.

I'm still happy with the patch. Please wait for @petrhosek's confirmation before landing.

https://github.com/llvm/llvm-project/pull/79032