[llvm] BasicAA: return more PartialAlias when scalable (PR #110519)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

I think this isn't wrong, but it's also not useful for anything. We will not be able to use a ParitalAlias result without proper nesting and an offset.

https://github.com/llvm/llvm-project/pull/110519