Revert "stdlib: Remove the 'Object' class."
Revert "stdlib: Remove the 'Object' class."

This reverts commit r14647. It exposes an optimizer bug.

Swift SVN r14648

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