[libcxx-commits] [libcxx] [libc++] Remove `noexcept` from `format_context::arg` method (PR #205809)

[David Bayer via libcxx-commits]

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davebayer wrote:

Hm, I'm not sure whether this is actually reachable and I don't think the `visit_format_arg` thows anywhere else. Maybe the `noexcept` is actually fine?

https://github.com/llvm/llvm-project/pull/205809