IRGen: Fix crashing objc_subclass test.
IRGen: Fix crashing objc_subclass test.

Swift SVN r4208

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