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

[Matt Arsenault via llvm-commits]

arsenm wrote:

> > Does that seem reasonable? Suggestions? 🙂
> 
> I don't have enough context here, sorry. Hopefully the reviewer of the PR can help.

I don't know how you managed to encounter this in the real world, but that code can't work. This should be a compiler error

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