[llvm] [InstCombine] Try to fold add into GEP x, C (PR #85090)

[Nikita Popov via llvm-commits]

nikic wrote:

I'm also not willing to take folds that apply only if flags are *not* present. That goes contrary to our general philosophy on handling of poison-generating flags.

https://github.com/llvm/llvm-project/pull/85090