[libcxx-commits] [libcxx] [libc++] Guard PSTL headers with >= C++17 (PR #108234)

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Ehu1 wrote:

Sorry, I'd like to ask a question here that is unrelated to this issue: Why does LLVM currently call std::for_each(std::execution::par, first, last, func) using the implementation under the include/__pstl directory in libcxx, rather than using the PSTL implementation in the LLVM library? Or, in other words, why was __pstl under the libcxx directory created? Are these two projects working on different things?

https://github.com/llvm/llvm-project/pull/108234