stdlib: protocol extension tests: check that we don't leak users' closures
stdlib: protocol extension tests: check that we don't leak users' closures

Swift SVN r28035

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