Add a debug ASAN build. This will build LLVM at -O1 and Swift at -O0.
Add a debug ASAN build. This will build LLVM at -O1 and Swift at -O0.

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