Use isa instead of dyn_cast
Use isa instead of dyn_cast

Swift SVN r25632

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