Minor clean-up in getting lowered type.
Minor clean-up in getting lowered type.

Swift SVN r15231

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