[clang] [libcxx] [flang] [lld] [libunwind] [libc] [compiler-rt] [lldb] [clang-tools-extra] [llvm] [mlir] Reland: [libc++][format] P2637R3: Member visit (std::basic_format_arg) #76449 (PR #79032)

[Hristo Hristov via llvm-commits]

Zingam wrote:

@petrhosek It is not related. It was supposedly fixed by this: https://github.com/llvm/llvm-project/pull/79619
I've been observing the chromium Windows CI failing for a while. Let's see if the above patch fixes it. I'll rebase now this one now.

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