Add some trivial tests of call graph output.
Add some trivial tests of call graph output.

More tests on the way.

Swift SVN r32174

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