[llvm] [InstCombine] Don't consider aligned_alloc removable if icmp uses result (PR #69474)

[Florian Hahn via llvm-commits]

fhahn wrote:

Updated the patch to only bail out for `aligned_alloc` and not bail out if alignment and size are known good (alignment is a power of 2 and size is a multiple of alignment)

https://github.com/llvm/llvm-project/pull/69474