[PATCH] D140925: [CMake] Use Clang to infer the target triple

[Shoaib Meenai via Phabricator via cfe-commits]

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I think we should land this. Clang has grown workarounds in the meantime, e.g. https://github.com/llvm/llvm-project/blob/4001ae175cbe351d496a6cd5481a554b346f706d/clang/lib/Driver/ToolChain.cpp#L690-L709, and I think this is much cleaner.


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https://reviews.llvm.org/D140925