[libcxx-commits] [libcxxabi] [libc++abi][NFC] Add a clang-tidy config (PR #207324)

[Louis Dionne via libcxx-commits]

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ldionne wrote:

Since we're eventually (at some point in the future) going to merge libc++abi into libc++, I think we should just run the libc++ clang tidy checks on libc++abi. Otherwise this patch raises the question of how/when these checks are going to be enforced, without which this file isn't useful.

https://github.com/llvm/llvm-project/pull/207324