[llvm] [InstSimplify] Fold `getelementptr inbounds null, idx -> null` (PR #130742)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> Hi, I've bisected a failure (segmentation fault where there wasn't one previously) on RISC-V with SPEC CPU 2017 #136395 to this at [5a99355](https://github.com/llvm/llvm-project/commit/5a993558c5fa52c605d984e0effdc1cd3b452476). Do you have a copy of SPEC CPU 2017 to reproduce this? I'll try and see if I can get a minimal reproducer, if not I'll try to attach the codegen diff from the patch

I will take a look.


https://github.com/llvm/llvm-project/pull/130742