Abstract the logical lvalue emission code so that it works on all the currently-expected kinds of logical lvalues.
Abstract the logical lvalue emission code so that it works
on all the currently-expected kinds of logical lvalues.

Swift SVN r1627

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