[runtime] Remove workaround for Swift marker bit in ObjC class data.
[runtime] Remove workaround for Swift marker bit in ObjC class data.

arclite and libobjc now preserve this bit.


Swift SVN r20568

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