Fix incorrect cast in writeSILInstruction
Fix incorrect cast in writeSILInstruction

apple/swift,roambotics/swift,gregomni/swift,ahoppen/swift,apple/swift,glessard/swift,glessard/swift,JGiola/swift,apple/swift,ahoppen/swift,ahoppen/swift,atrick/swift,glessard/swift,glessard/swift,benlangmuir/swift,glessard/swift,benlangmuir/swift,gregomni/swift,JGiola/swift,benlangmuir/swift,rudkx/swift,roambotics/swift,atrick/swift,JGiola/swift,roambotics/swift,ahoppen/swift,JGiola/swift,rudkx/swift,benlangmuir/swift,apple/swift,roambotics/swift,roambotics/swift,roambotics/swift,JGiola/swift,ahoppen/swift,rudkx/swift,gregomni/swift,rudkx/swift,atrick/swift,gregomni/swift,atrick/swift,JGiola/swift,ahoppen/swift,benlangmuir/swift,gregomni/swift,apple/swift,atrick/swift,benlangmuir/swift,rudkx/swift,apple/swift,glessard/swift,rudkx/swift,atrick/swift,gregomni/swift