[libcxx-commits] [libcxx] [libcxx] Implement C++20 std::chrono::is_clock, std::chrono::is_clock_v (PR #160607)

[Nikolas Klauser via libcxx-commits]

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philnik777 wrote:

This isn't a standard test, so it should live inside `test/libcxx`.

https://github.com/llvm/llvm-project/pull/160607