Latent bug fix: SILType::isNull.
Latent bug fix: SILType::isNull.

Swift SVN r32221

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