[stdlib] implement _copyContents for UnsafeRawPointer
[stdlib] implement _copyContents for UnsafeRawPointer

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