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

[via llvm-commits]

zmodem wrote:

creduce output: [a.ii.gz](https://github.com/user-attachments/files/16711150/a.ii.gz) Invocation:
```
clang -cc1 -triple i386-unknown-linux-gnu -emit-obj -fhalf-no-semantic-interposition -fno-delete-null-pointer-checks -mframe-pointer=non-leaf -target-cpu pentium4 -O3 -std=c++20 -w a.ii
```

I didn't have time to look deeper into it yet.

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