[VPlan] Mark VPWidenCallRecipe as a VPRecipeWithIRFlags

I noticed VPWidenCallRecipe was missing here, it looks like it should be handled in VPRecipeWithIRFlags::classof

Author: lukel97

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -710,6 +710,7 @@ class VPRecipeWithIRFlags : public VPSingleDefRecipe {
     return R->getVPDefID() == VPRecipeBase::VPInstructionSC ||
            R->getVPDefID() == VPRecipeBase::VPWidenSC ||
            R->getVPDefID() == VPRecipeBase::VPWidenGEPSC ||
+           R->getVPDefID() == VPRecipeBase::VPWidenCallSC ||
            R->getVPDefID() == VPRecipeBase::VPWidenCastSC ||
            R->getVPDefID() == VPRecipeBase::VPWidenIntrinsicSC ||
            R->getVPDefID() == VPRecipeBase::VPReductionSC ||