Add nounwind to most of the runtime functions.
Add nounwind to most of the runtime functions.

Swift SVN r5085

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