[AST] Consider only rooted keypath as single invalid component
[AST] Consider only rooted keypath as single invalid component

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