IRGen: Add an assertion in enum lowering
IRGen: Add an assertion in enum lowering

danielmartin/swift,parkera/swift,gribozavr/swift,stephentyrone/swift,benlangmuir/swift,natecook1000/swift,benlangmuir/swift,aschwaighofer/swift,tkremenek/swift,xedin/swift,huonw/swift,xwu/swift,airspeedswift/swift,ahoppen/swift,jckarter/swift,jopamer/swift,shajrawi/swift,hooman/swift,parkera/swift,shahmishal/swift,JGiola/swift,austinzheng/swift,jckarter/swift,karwa/swift,devincoughlin/swift,JGiola/swift,gregomni/swift,practicalswift/swift,danielmartin/swift,roambotics/swift,xedin/swift,JGiola/swift,jmgc/swift,gribozavr/swift,brentdax/swift,sschiau/swift,lorentey/swift,roambotics/swift,gregomni/swift,harlanhaskins/swift,ahoppen/swift,atrick/swift,glessard/swift,shahmishal/swift,amraboelela/swift,glessard/swift,huonw/swift,xedin/swift,jckarter/swift,harlanhaskins/swift,hooman/swift,xwu/swift,allevato/swift,lorentey/swift,sschiau/swift,shahmishal/swift,sschiau/swift,practicalswift/swift,nathawes/swift,ahoppen/swift,harlanhaskins/swift,glessard/swift,danielmartin/swift,rudkx/swift,parkera/swift,jckarter/swift,amraboelela/swift,benlangmuir/swift,apple/swift,JGiola/swift,karwa/swift,alblue/swift,parkera/swift,atrick/swift,ahoppen/swift,huonw/swift,austinzheng/swift,stephentyrone/swift,glessard/swift,CodaFi/swift,stephentyrone/swift,karwa/swift,amraboelela/swift,jmgc/swift,benlangmuir/swift,practicalswift/swift,gribozavr/swift,jopamer/swift,tkremenek/swift,amraboelela/swift,allevato/swift,alblue/swift,shajrawi/swift,airspeedswift/swift,karwa/swift,roambotics/swift,aschwaighofer/swift,brentdax/swift,brentdax/swift,atrick/swift,rudkx/swift,karwa/swift,apple/swift,roambotics/swift,harlanhaskins/swift,amraboelela/swift,sschiau/swift,austinzheng/swift,CodaFi/swift,shajrawi/swift,alblue/swift,gregomni/swift,devincoughlin/swift,airspeedswift/swift,apple/swift,danielmartin/swift,austinzheng/swift,shajrawi/swift,apple/swift,airspeedswift/swift,stephentyrone/swift,glessard/swift,nathawes/swift,jopamer/swift,CodaFi/swift,lorentey/swift,CodaFi/swift,gregomni/swift,xedin/swift,huonw/swift,alblue/swift,airspeedswift/swift,sschiau/swift,brentdax/swift,devincoughlin/swift,gribozavr/swift,jckarter/swift,stephentyrone/swift,devincoughlin/swift,shajrawi/swift,allevato/swift,natecook1000/swift,xedin/swift,lorentey/swift,harlanhaskins/swift,hooman/swift,sschiau/swift,nathawes/swift,airspeedswift/swift,apple/swift,allevato/swift,rudkx/swift,gribozavr/swift,alblue/swift,alblue/swift,benlangmuir/swift,danielmartin/swift,shahmishal/swift,xedin/swift,amraboelela/swift,tkremenek/swift,brentdax/swift,hooman/swift,ahoppen/swift,allevato/swift,CodaFi/swift,hooman/swift,practicalswift/swift,devincoughlin/swift,JGiola/swift,atrick/swift,jmgc/swift,glessard/swift,gregomni/swift,danielmartin/swift,tkremenek/swift,jckarter/swift,austinzheng/swift,stephentyrone/swift,hooman/swift,roambotics/swift,shahmishal/swift,brentdax/swift,ahoppen/swift,harlanhaskins/swift,natecook1000/swift,jmgc/swift,brentdax/swift,practicalswift/swift,stephentyrone/swift,tkremenek/swift,xwu/swift,aschwaighofer/swift,practicalswift/swift,lorentey/swift,karwa/swift,tkremenek/swift,jmgc/swift,xwu/swift,gribozavr/swift,xwu/swift,atrick/swift,lorentey/swift,nathawes/swift,sschiau/swift,xedin/swift,devincoughlin/swift,danielmartin/swift,devincoughlin/swift,jopamer/swift,xwu/swift,karwa/swift,huonw/swift,jopamer/swift,practicalswift/swift,karwa/swift,nathawes/swift,devincoughlin/swift,benlangmuir/swift,xedin/swift,parkera/swift,aschwaighofer/swift,practicalswift/swift,atrick/swift,parkera/swift,shajrawi/swift,CodaFi/swift,lorentey/swift,aschwaighofer/swift,JGiola/swift,xwu/swift,rudkx/swift,nathawes/swift,shahmishal/swift,allevato/swift,amraboelela/swift,jopamer/swift,natecook1000/swift,huonw/swift,austinzheng/swift,aschwaighofer/swift,huonw/swift,airspeedswift/swift,parkera/swift,gribozavr/swift,jmgc/swift,apple/swift,jopamer/swift,roambotics/swift,CodaFi/swift,natecook1000/swift,rudkx/swift,shahmishal/swift,jckarter/swift,gregomni/swift,allevato/swift,lorentey/swift,sschiau/swift,nathawes/swift,gribozavr/swift,tkremenek/swift,alblue/swift,natecook1000/swift,hooman/swift,austinzheng/swift,shajrawi/swift,jmgc/swift,parkera/swift,shahmishal/swift,aschwaighofer/swift,natecook1000/swift,rudkx/swift,shajrawi/swift,harlanhaskins/swift