Cache the results of looking up a fixed type in the parent constraint system. Good for a 6.5% speedup on swift.swift with a Debug build.
Cache the results of looking up a fixed type in the parent constraint
system. Good for a 6.5% speedup on swift.swift with a Debug build.


Swift SVN r3112

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