Simplify type-checking for FuncDecls.
Simplify type-checking for FuncDecls.



Swift SVN r1842

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