remove the old functions that SILGen's huge blobs of code to form/decompose optionals for weak pointers.  This eliminates the need to do rdar://16871379, and moves rdar://14921511 forward a bit more.
remove the old functions that SILGen's huge blobs of code to form/decompose
optionals for weak pointers.  This eliminates the need to do rdar://16871379,
and moves rdar://14921511 forward a bit more.



Swift SVN r18315

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