[llvm] [LLVM] [X86] Fix integer overflows in frame layout for huge frames (PR #101840)

[Wesley Wiser via llvm-commits]

wesleywiser wrote:

Thanks for all the feedback and reviews @arsenm! I don't have commit rights so if someone could merge for me, that would most appreciated 🙂 

https://github.com/llvm/llvm-project/pull/101840