SIL: Correctly set IsDeclaration in SILDefaultWitnessTables
SIL: Correctly set IsDeclaration in SILDefaultWitnessTables

This was triggered in Evolution/test_struct_resilient_add_conformance.swift.

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