Revert "Fix a bug in pre-specialization when it comes to re-use of specializations."
Revert "Fix a bug in pre-specialization when it comes to re-use of specializations."

This reverts commit r30433.

Swift SVN r30439

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