SILGen: Big re-abstraction thunk renaming, NFC
SILGen: Big re-abstraction thunk renaming, NFC

I'm making some big changes here to support resilience and splitting off
the renaming will make code easier to review.

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