CapturePromotion: use existing variable containing callee since it's available
CapturePromotion: use existing variable containing callee since it's available

Swift SVN r10552

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