[AST] Switch to ArrayRefs instead of MutableArrayRefs for TypeRepr objects.
[AST] Switch to ArrayRefs instead of MutableArrayRefs for TypeRepr objects.

Swift SVN r12543

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