Fix test/IRGen/existentials_opaque_boxed.sil
Fix test/IRGen/existentials_opaque_boxed.sil

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