[clang] [Clang] Support MSPropertyRefExpr as placement arg to new-expression (PR #75883)

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Sirraide wrote:

I’m curious, because I legitimately don’t know, is it common for CI on windows to take 9 hours?

![image](https://github.com/llvm/llvm-project/assets/74590115/203deb5a-b798-4ca2-8a6f-cc45a811d0f6)


https://github.com/llvm/llvm-project/pull/75883