[llvm] [NFC][X86] Fix Werror=extra error due to enum (PR #112812)

[Phoebe Wang via llvm-commits]

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@@ -29986,7 +29986,7 @@ static SDValue LowerShift(SDValue Op, const X86Subtarget &Subtarget,
           MVT::getVectorVT(NarrowScalarVT, WideNumElts), dl, AmtWideElts);
       AmtWide = DAG.getZExtOrTrunc(AmtWide, dl, WideVT);
       // Perform the actual shift.
-      unsigned LogicalOpc = Opc == ISD::SRA ? ISD::SRL : Opc;
+      unsigned LogicalOpc = Opc == ISD::SRA ? (unsigned)ISD::SRL : Opc;
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phoebewang wrote:

Oh, maybe because we just use `==` and `!=` here.

https://github.com/llvm/llvm-project/pull/112812