[clang] [clang-tools-extra] [clang] Detect pointee mutations in placement new expressions (PR #187508)

[Baranov Victor via cfe-commits]

vbvictor wrote:

> @carlosgalvezp FYI, since your review is still marked “requested changes”, merging is blocked

I think we can still merge it with bypass or dismiss the review as said in https://discourse.llvm.org/t/rfc-removing-the-require-pull-request-bypass/89993/13.

https://github.com/llvm/llvm-project/pull/187508