StdlibUnittest: add an autorelease pool to the master race thread to stabilize memory consumption
StdlibUnittest: add an autorelease pool to the master race thread to
stabilize memory consumption

Swift SVN r22282

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