llvm::Twine can only be used as a temporary.
llvm::Twine can only be used as a temporary.

Fixes r3839.

Swift SVN r3842

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