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

[A. Jiang via libcxx-commits]

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frederick-vs-ja wrote:

I _guess_ it's better to turn this into a `.compile.pass.cpp`, as there's no runtime property/condition tested.

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