Don't throw away a DependentMemberType's resolved associated type when subst()ing it.
Don't throw away a DependentMemberType's resolved associated type when subst()ing it.

Swift SVN r12508

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