Sema: Move most of DeclChecker::visitEnumElementDecl() to validateDecl()
Sema: Move most of DeclChecker::visitEnumElementDecl() to validateDecl()

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