[llvm-branch-commits] [llvm] release/18.x: [DAGCombiner] In mergeTruncStore, make sure we aren't storing shifted in bits. (#90939) (PR #91038)

[Tom Stellard via llvm-branch-commits]

tstellar wrote:

@AtariDreams I've noticed you've filed a lot of backport requests.  How are you choosing which fixes to backport? Is there a specific use case you care about?

https://github.com/llvm/llvm-project/pull/91038