fix sil-opt to stop running if it sees a parse error.
fix sil-opt to stop running if it sees a parse error.


Swift SVN r6876

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