Rename the function that checks for cycles in SESE regions and document it. 
Rename the function that checks for cycles in SESE regions and document it. 



Swift SVN r13157

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