IRGen: Patch up conversion of address-only unions.
IRGen: Patch up conversion of address-only unions.

We were failing to save address-only payload types, and we were providing loadable explosion schemas for unloadable types.

Swift SVN r7830

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