Add test case for missing musttail in dynamic replacement.
Add test case for missing musttail in dynamic replacement.

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