[libcxx-commits] [libcxx] [libc++] use copy_file_range for fs::copy (PR #109211)

[Louis Dionne via libcxx-commits]

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 <ldionne.2 at gmail.com>,Louis Dionne <ldionne.2 at gmail.com>,Louis Dionne
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https://github.com/ldionne approved this pull request.

I just pushed something that should fix my mistake.

Can you double-check and confirm that this does what you originally intended? I think we're pretty much back to your patch without my edits, except I added a comment.

If that patch is fine with you, it's fine with me in the current state. Sorry for the mixup, I was trying to help expedite this patch by doing what I thought were NFC changes (but were not).

https://github.com/llvm/llvm-project/pull/109211