Add hidden disable-diagnostic-passes.
Add hidden disable-diagnostic-passes.

It disables SIL diagnostic passes so we can round-trip SIL serialization,
deserialization without running any optimization.


Swift SVN r8900

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