[TypeChecker] NFC: Add a test-case for fixed rdar://problem/56212087
[TypeChecker] NFC: Add a test-case for fixed rdar://problem/56212087

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