Remove [auto_closure] recursively from types in TypeLowering, as it is not meaningful in SIL. This prevents SILGen from generating code that is rejected by the parser and/or verifier.
Remove [auto_closure] recursively from types in TypeLowering, as it is not meaningful in SIL. This prevents SILGen from generating code that is rejected by the parser and/or verifier.

Swift SVN r7622

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