[llvm-branch-commits] [llvm] release/23.x: [DAGCombiner][AArch64] Fix the multiplier when folding a partial reduction of a mask (#215187) (PR #215512)

[David Green via llvm-branch-commits]

davemgreen wrote:

I think one of the tests might need updating?

https://github.com/llvm/llvm-project/pull/215512