[ownership] Add copy constructor/assignment operator for BorrowScopeOperand.
[ownership] Add copy constructor/assignment operator for BorrowScopeOperand.

NFC.

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