COWArrayOpt: Only invalidate if we have changed the CFG
COWArrayOpt: Only invalidate if we have changed the CFG

Swift SVN r25735

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