frontend: set a sensible default objc-interop.
frontend: set a sensible default objc-interop.

Swift SVN r24642

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