Handle unowned and unmanaged references.
Handle unowned and unmanaged references.

JGiola/swift,jmgc/swift,jmgc/swift,rudkx/swift,atrick/swift,roambotics/swift,ahoppen/swift,tkremenek/swift,hooman/swift,hooman/swift,atrick/swift,gregomni/swift,xwu/swift,parkera/swift,benlangmuir/swift,jmgc/swift,parkera/swift,tkremenek/swift,rudkx/swift,jmgc/swift,atrick/swift,gregomni/swift,ahoppen/swift,roambotics/swift,benlangmuir/swift,apple/swift,roambotics/swift,jmgc/swift,rudkx/swift,xwu/swift,xwu/swift,parkera/swift,hooman/swift,roambotics/swift,xwu/swift,apple/swift,glessard/swift,tkremenek/swift,glessard/swift,hooman/swift,JGiola/swift,xwu/swift,hooman/swift,rudkx/swift,ahoppen/swift,benlangmuir/swift,gregomni/swift,tkremenek/swift,parkera/swift,gregomni/swift,gregomni/swift,parkera/swift,ahoppen/swift,glessard/swift,apple/swift,benlangmuir/swift,jmgc/swift,apple/swift,atrick/swift,rudkx/swift,roambotics/swift,tkremenek/swift,rudkx/swift,JGiola/swift,parkera/swift,hooman/swift,tkremenek/swift,parkera/swift,atrick/swift,roambotics/swift,ahoppen/swift,glessard/swift,jmgc/swift,glessard/swift,parkera/swift,apple/swift,JGiola/swift,xwu/swift,tkremenek/swift,JGiola/swift,ahoppen/swift,JGiola/swift,glessard/swift,gregomni/swift,xwu/swift,apple/swift,hooman/swift,atrick/swift,benlangmuir/swift,benlangmuir/swift