Fix stdlib ManagedBuffer.swift test at -O
Fix stdlib ManagedBuffer.swift test at -O

Swift SVN r28646

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