[parser] Improve error message.
[parser] Improve error message.

Before if you had a differing number of arguments from types, you would
get the error:

Expected sil type to have the right argument types.

Now we say:

Expected sil type to have the same number of arg names as arg types.

which is slightly clearer.

Swift SVN r25049

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