Change _doesOptionalHaveValue to take its argument [byref].
Change _doesOptionalHaveValue to take its argument [byref].

Swift SVN r7718

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