remove dead code for scalarizing accesses to structs.
remove dead code for scalarizing accesses to structs.


Swift SVN r10785

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