Fix test/IRGen/generic_metatypes.swift
Fix test/IRGen/generic_metatypes.swift

airspeedswift/swift,aschwaighofer/swift,airspeedswift/swift,jmgc/swift,apple/swift,harlanhaskins/swift,nathawes/swift,harlanhaskins/swift,jckarter/swift,allevato/swift,gregomni/swift,jckarter/swift,hooman/swift,allevato/swift,ahoppen/swift,jmgc/swift,hooman/swift,tkremenek/swift,CodaFi/swift,rudkx/swift,harlanhaskins/swift,aschwaighofer/swift,stephentyrone/swift,jmgc/swift,JGiola/swift,tkremenek/swift,rudkx/swift,jmgc/swift,xwu/swift,nathawes/swift,nathawes/swift,glessard/swift,ahoppen/swift,gregomni/swift,nathawes/swift,stephentyrone/swift,airspeedswift/swift,ahoppen/swift,aschwaighofer/swift,JGiola/swift,parkera/swift,stephentyrone/swift,parkera/swift,benlangmuir/swift,tkremenek/swift,JGiola/swift,atrick/swift,harlanhaskins/swift,jckarter/swift,jckarter/swift,hooman/swift,tkremenek/swift,jmgc/swift,ahoppen/swift,roambotics/swift,xwu/swift,gregomni/swift,allevato/swift,allevato/swift,apple/swift,jmgc/swift,roambotics/swift,roambotics/swift,aschwaighofer/swift,gregomni/swift,apple/swift,hooman/swift,glessard/swift,tkremenek/swift,glessard/swift,gregomni/swift,airspeedswift/swift,harlanhaskins/swift,JGiola/swift,tkremenek/swift,parkera/swift,CodaFi/swift,airspeedswift/swift,CodaFi/swift,apple/swift,jckarter/swift,benlangmuir/swift,rudkx/swift,atrick/swift,airspeedswift/swift,apple/swift,parkera/swift,glessard/swift,benlangmuir/swift,roambotics/swift,CodaFi/swift,stephentyrone/swift,hooman/swift,atrick/swift,harlanhaskins/swift,hooman/swift,atrick/swift,jckarter/swift,xwu/swift,roambotics/swift,benlangmuir/swift,allevato/swift,nathawes/swift,CodaFi/swift,benlangmuir/swift,stephentyrone/swift,benlangmuir/swift,apple/swift,roambotics/swift,xwu/swift,nathawes/swift,gregomni/swift,xwu/swift,rudkx/swift,allevato/swift,xwu/swift,xwu/swift,harlanhaskins/swift,stephentyrone/swift,parkera/swift,atrick/swift,parkera/swift,allevato/swift,jckarter/swift,CodaFi/swift,glessard/swift,jmgc/swift,JGiola/swift,CodaFi/swift,ahoppen/swift,parkera/swift,glessard/swift,aschwaighofer/swift,parkera/swift,airspeedswift/swift,atrick/swift,nathawes/swift,ahoppen/swift,stephentyrone/swift,JGiola/swift,rudkx/swift,aschwaighofer/swift,tkremenek/swift,aschwaighofer/swift,rudkx/swift,hooman/swift