Sema: Re-enable 'fallthrough' statements within switches.
Sema: Re-enable 'fallthrough' statements within switches.

Swift SVN r5902

mightydeveloper/swift,rudkx/swift,jmgc/swift,aschwaighofer/swift,jmgc/swift,kusl/swift,hughbe/swift,aschwaighofer/swift,ben-ng/swift,gribozavr/swift,Ivacker/swift,stephentyrone/swift,gottesmm/swift,nathawes/swift,hughbe/swift,milseman/swift,LeoShimonaka/swift,modocache/swift,Ivacker/swift,swiftix/swift.old,harlanhaskins/swift,IngmarStein/swift,emilstahl/swift,devincoughlin/swift,modocache/swift,xwu/swift,xedin/swift,ken0nek/swift,KrishMunot/swift,SwiftAndroid/swift,tardieu/swift,calebd/swift,harlanhaskins/swift,tardieu/swift,airspeedswift/swift,kusl/swift,sdulal/swift,milseman/swift,shajrawi/swift,hooman/swift,karwa/swift,uasys/swift,manavgabhawala/swift,kperryua/swift,shajrawi/swift,cbrentharris/swift,glessard/swift,brentdax/swift,gmilos/swift,glessard/swift,gmilos/swift,xwu/swift,modocache/swift,swiftix/swift.old,shajrawi/swift,gmilos/swift,jopamer/swift,adrfer/swift,tkremenek/swift,amraboelela/swift,swiftix/swift.old,IngmarStein/swift,slavapestov/swift,allevato/swift,tjw/swift,jopamer/swift,apple/swift,sschiau/swift,shahmishal/swift,shahmishal/swift,milseman/swift,benlangmuir/swift,gribozavr/swift,gmilos/swift,brentdax/swift,nathawes/swift,roambotics/swift,airspeedswift/swift,slavapestov/swift,allevato/swift,ken0nek/swift,tkremenek/swift,felix91gr/swift,return/swift,Jnosh/swift,glessard/swift,stephentyrone/swift,emilstahl/swift,uasys/swift,gottesmm/swift,Jnosh/swift,danielmartin/swift,modocache/swift,russbishop/swift,jtbandes/swift,LeoShimonaka/swift,glessard/swift,russbishop/swift,CodaFi/swift,xwu/swift,ken0nek/swift,sschiau/swift,stephentyrone/swift,allevato/swift,therealbnut/swift,ahoppen/swift,stephentyrone/swift,shajrawi/swift,gribozavr/swift,aschwaighofer/swift,calebd/swift,amraboelela/swift,aschwaighofer/swift,lorentey/swift,djwbrown/swift,Jnosh/swift,khizkhiz/swift,CodaFi/swift,benlangmuir/swift,djwbrown/swift,OscarSwanros/swift,rudkx/swift,calebd/swift,atrick/swift,hooman/swift,danielmartin/swift,uasys/swift,uasys/swift,swiftix/swift,mightydeveloper/swift,atrick/swift,swiftix/swift.old,deyton/swift,khizkhiz/swift,shahmishal/swift,ben-ng/swift,xedin/swift,uasys/swift,jckarter/swift,sdulal/swift,kentya6/swift,kusl/swift,emilstahl/swift,ken0nek/swift,apple/swift,return/swift,milseman/swift,kentya6/swift,aschwaighofer/swift,CodaFi/swift,deyton/swift,mightydeveloper/swift,kusl/swift,frootloops/swift,kperryua/swift,tkremenek/swift,lorentey/swift,return/swift,tardieu/swift,practicalswift/swift,airspeedswift/swift,swiftix/swift.old,Jnosh/swift,alblue/swift,arvedviehweger/swift,kperryua/swift,roambotics/swift,CodaFi/swift,tjw/swift,uasys/swift,LeoShimonaka/swift,JaSpa/swift,tjw/swift,swiftix/swift.old,modocache/swift,shahmishal/swift,IngmarStein/swift,jmgc/swift,nathawes/swift,glessard/swift,apple/swift,jtbandes/swift,xedin/swift,alblue/swift,Ivacker/swift,ken0nek/swift,johnno1962d/swift,gregomni/swift,huonw/swift,sschiau/swift,djwbrown/swift,kstaring/swift,tardieu/swift,jtbandes/swift,arvedviehweger/swift,return/swift,IngmarStein/swift,felix91gr/swift,jopamer/swift,kentya6/swift,kperryua/swift,deyton/swift,rudkx/swift,xwu/swift,SwiftAndroid/swift,therealbnut/swift,Jnosh/swift,parkera/swift,gregomni/swift,harlanhaskins/swift,sdulal/swift,amraboelela/swift,tinysun212/swift-windows,khizkhiz/swift,calebd/swift,jmgc/swift,manavgabhawala/swift,felix91gr/swift,tinysun212/swift-windows,milseman/swift,lorentey/swift,tardieu/swift,khizkhiz/swift,CodaFi/swift,sdulal/swift,jtbandes/swift,kentya6/swift,CodaFi/swift,OscarSwanros/swift,bitjammer/swift,tinysun212/swift-windows,gottesmm/swift,kstaring/swift,johnno1962d/swift,karwa/swift,therealbnut/swift,OscarSwanros/swift,xwu/swift,IngmarStein/swift,lorentey/swift,stephentyrone/swift,ken0nek/swift,jmgc/swift,jtbandes/swift,johnno1962d/swift,swiftix/swift,gottesmm/swift,frootloops/swift,IngmarStein/swift,gregomni/swift,KrishMunot/swift,shajrawi/swift,glessard/swift,modocache/swift,practicalswift/swift,zisko/swift,russbishop/swift,kstaring/swift,jopamer/swift,swiftix/swift,kusl/swift,kusl/swift,rudkx/swift,danielmartin/swift,shahmishal/swift,LeoShimonaka/swift,jckarter/swift,johnno1962d/swift,allevato/swift,shahmishal/swift,huonw/swift,hughbe/swift,JaSpa/swift,gregomni/swift,kentya6/swift,manavgabhawala/swift,codestergit/swift,Ivacker/swift,slavapestov/swift,karwa/swift,MukeshKumarS/Swift,dduan/swift,hughbe/swift,therealbnut/swift,deyton/swift,SwiftAndroid/swift,tjw/swift,parkera/swift,swiftix/swift,shajrawi/swift,tjw/swift,xwu/swift,nathawes/swift,JGiola/swift,bitjammer/swift,brentdax/swift,jckarter/swift,shahmishal/swift,harlanhaskins/swift,jckarter/swift,johnno1962d/swift,JGiola/swift,ahoppen/swift,adrfer/swift,xedin/swift,KrishMunot/swift,karwa/swift,sschiau/swift,zisko/swift,apple/swift,slavapestov/swift,emilstahl/swift,jtbandes/swift,natecook1000/swift,IngmarStein/swift,mightydeveloper/swift,dduan/swift,benlangmuir/swift,zisko/swift,tjw/swift,zisko/swift,airspeedswift/swift,jmgc/swift,alblue/swift,codestergit/swift,bitjammer/swift,parkera/swift,swiftix/swift,practi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