Eliminate return-type sensitivity in overload resolution.
Eliminate return-type sensitivity in overload resolution.

We're not actually using this return-type sensitivity anywhere, and it
is weird. One can still use context to resolve overloads based on the
return type, of course.


Swift SVN r9938

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