[llvm] [AArch64] Improve index selection for histograms (PR #111150)

[Benjamin Maxwell via llvm-commits]

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@@ -24079,11 +24080,9 @@ static bool findMoreOptimalIndexType(const MaskedGatherScatterSDNode *N,
 
 static SDValue performMaskedGatherScatterCombine(
     SDNode *N, TargetLowering::DAGCombinerInfo &DCI, SelectionDAG &DAG) {
-  MaskedGatherScatterSDNode *MGS = cast<MaskedGatherScatterSDNode>(N);
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MacDue wrote:

I don't really mind, but I guess you can avoid changing this...

https://github.com/llvm/llvm-project/pull/111150