Let dynamic struct layout out from behind the -enable-dynamic-value-type-layout guard.
Let dynamic struct layout out from behind the -enable-dynamic-value-type-layout guard.

Swift SVN r9128

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