[llvm-branch-commits] [llvm] release/18.x: [GlobalISel] Fix store merging incorrectly classifying an unknown index expr as 0. (#90375) (PR #90673)

[Amara Emerson via llvm-branch-commits]

https://github.com/aemerson approved this pull request.


https://github.com/llvm/llvm-project/pull/90673