Handle ParenPattern in function arguments
Handle ParenPattern in function arguments

It seems strange, but 'func f(_ : Int)' has a ParenPattern for its arguments,
but 'func f(a : Int)' has a TuplePattern.


Swift SVN r6311

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