Make empty set literals use the singleton
Make empty set literals use the singleton

rudkx/swift,aschwaighofer/swift,parkera/swift,devincoughlin/swift,parkera/swift,aschwaighofer/swift,shajrawi/swift,ahoppen/swift,airspeedswift/swift,amraboelela/swift,gregomni/swift,ahoppen/swift,tkremenek/swift,jckarter/swift,tkremenek/swift,jckarter/swift,parkera/swift,sschiau/swift,CodaFi/swift,roambotics/swift,atrick/swift,hooman/swift,jckarter/swift,apple/swift,karwa/swift,tkremenek/swift,JGiola/swift,benlangmuir/swift,stephentyrone/swift,practicalswift/swift,tkremenek/swift,stephentyrone/swift,benlangmuir/swift,benlangmuir/swift,sschiau/swift,roambotics/swift,amraboelela/swift,parkera/swift,allevato/swift,jmgc/swift,practicalswift/swift,devincoughlin/swift,jmgc/swift,xwu/swift,roambotics/swift,JGiola/swift,allevato/swift,rudkx/swift,apple/swift,xwu/swift,devincoughlin/swift,stephentyrone/swift,allevato/swift,JGiola/swift,xwu/swift,hooman/swift,shahmishal/swift,hooman/swift,xedin/swift,nathawes/swift,nathawes/swift,airspeedswift/swift,harlanhaskins/swift,parkera/swift,devincoughlin/swift,xedin/swift,parkera/swift,benlangmuir/swift,CodaFi/swift,gribozavr/swift,aschwaighofer/swift,lorentey/swift,CodaFi/swift,aschwaighofer/swift,aschwaighofer/swift,hooman/swift,roambotics/swift,gribozavr/swift,roambotics/swift,CodaFi/swift,jckarter/swift,xedin/swift,shajrawi/swift,ahoppen/swift,gregomni/swift,rudkx/swift,xwu/swift,jmgc/swift,lorentey/swift,JGiola/swift,JGiola/swift,karwa/swift,ahoppen/swift,shajrawi/swift,xedin/swift,gregomni/swift,gregomni/swift,shahmishal/swift,jckarter/swift,allevato/swift,jckarter/swift,shahmishal/swift,CodaFi/swift,amraboelela/swift,gribozavr/swift,shahmishal/swift,practicalswift/swift,tkremenek/swift,shajrawi/swift,nathawes/swift,parkera/swift,hooman/swift,rudkx/swift,hooman/swift,gribozavr/swift,JGiola/swift,jmgc/swift,karwa/swift,glessard/swift,lorentey/swift,parkera/swift,sschiau/swift,roambotics/swift,allevato/swift,atrick/swift,shajrawi/swift,shajrawi/swift,ahoppen/swift,gribozavr/swift,practicalswift/swift,stephentyrone/swift,tkremenek/swift,glessard/swift,jmgc/swift,shahmishal/swift,karwa/swift,karwa/swift,glessard/swift,devincoughlin/swift,devincoughlin/swift,practicalswift/swift,sschiau/swift,aschwaighofer/swift,jmgc/swift,CodaFi/swift,shahmishal/swift,shajrawi/swift,gribozavr/swift,practicalswift/swift,harlanhaskins/swift,apple/swift,allevato/swift,amraboelela/swift,benlangmuir/swift,sschiau/swift,harlanhaskins/swift,apple/swift,stephentyrone/swift,devincoughlin/swift,harlanhaskins/swift,lorentey/swift,shahmishal/swift,practicalswift/swift,airspeedswift/swift,nathawes/swift,karwa/swift,stephentyrone/swift,karwa/swift,gribozavr/swift,harlanhaskins/swift,xwu/swift,gribozavr/swift,devincoughlin/swift,airspeedswift/swift,nathawes/swift,lorentey/swift,stephentyrone/swift,xedin/swift,sschiau/swift,gregomni/swift,glessard/swift,amraboelela/swift,rudkx/swift,lorentey/swift,nathawes/swift,karwa/swift,benlangmuir/swift,xedin/swift,allevato/swift,lorentey/swift,apple/swift,harlanhaskins/swift,xedin/swift,jckarter/swift,glessard/swift,xedin/swift,airspeedswift/swift,xwu/swift,amraboelela/swift,sschiau/swift,atrick/swift,shahmishal/swift,glessard/swift,amraboelela/swift,xwu/swift,tkremenek/swift,airspeedswift/swift,rudkx/swift,atrick/swift,jmgc/swift,ahoppen/swift,shajrawi/swift,lorentey/swift,harlanhaskins/swift,hooman/swift,nathawes/swift,atrick/swift,practicalswift/swift,apple/swift,atrick/swift,aschwaighofer/swift,CodaFi/swift,gregomni/swift,airspeedswift/swift,sschiau/swift