Add test for rdar://problem/17179967.
Add test for rdar://problem/17179967.

Swift SVN r27232

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