[stdlib] improved a unittest error backtrace
[stdlib] improved a unittest error backtrace

Swift SVN r24895

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