Don't leak boxes when releasing Mirror owners
Don't leak boxes when releasing Mirror owners

Heap boxes don't have a "class" metadata kind, so make
sure to release them when creating a new owner for loading
weak references in the runtime mirrors.

rdar://problem/27348445

kstaring/swift,OscarSwanros/swift,lorentey/swift,CodaFi/swift,gribozavr/swift,airspeedswift/swift,tinysun212/swift-windows,modocache/swift,jmgc/swift,gottesmm/swift,therealbnut/swift,swiftix/swift,gmilos/swift,glessard/swift,ben-ng/swift,shahmishal/swift,manavgabhawala/swift,gottesmm/swift,modocache/swift,milseman/swift,gregomni/swift,CodaFi/swift,kstaring/swift,manavgabhawala/swift,xedin/swift,jmgc/swift,codestergit/swift,manavgabhawala/swift,ahoppen/swift,practicalswift/swift,rudkx/swift,CodaFi/swift,bitjammer/swift,sschiau/swift,shahmishal/swift,shajrawi/swift,manavgabhawala/swift,brentdax/swift,apple/swift,JaSpa/swift,JaSpa/swift,bitjammer/swift,gottesmm/swift,apple/swift,deyton/swift,shahmishal/swift,rudkx/swift,return/swift,aschwaighofer/swift,gmilos/swift,amraboelela/swift,gribozavr/swift,atrick/swift,jmgc/swift,jopamer/swift,djwbrown/swift,zisko/swift,gottesmm/swift,jtbandes/swift,xedin/swift,parkera/swift,karwa/swift,devincoughlin/swift,return/swift,karwa/swift,calebd/swift,modocache/swift,shajrawi/swift,Jnosh/swift,frootloops/swift,codestergit/swift,shajrawi/swift,bitjammer/swift,shahmishal/swift,lorentey/swift,hughbe/swift,JaSpa/swift,ahoppen/swift,gribozavr/swift,Jnosh/swift,uasys/swift,zisko/swift,hughbe/swift,apple/swift,jtbandes/swift,ben-ng/swift,jopamer/swift,brentdax/swift,airspeedswift/swift,glessard/swift,alblue/swift,tardieu/swift,practicalswift/swift,codestergit/swift,felix91gr/swift,CodaFi/swift,swiftix/swift,djwbrown/swift,jckarter/swift,ben-ng/swift,milseman/swift,harlanhaskins/swift,harlanhaskins/swift,return/swift,therealbnut/swift,jckarter/swift,hooman/swift,glessard/swift,gregomni/swift,austinzheng/swift,allevato/swift,roambotics/swift,allevato/swift,devincoughlin/swift,tjw/swift,natecook1000/swift,jtbandes/swift,amraboelela/swift,jopamer/swift,manavgabhawala/swift,hooman/swift,benlangmuir/swift,codestergit/swift,stephentyrone/swift,tjw/swift,danielmartin/swift,kperryua/swift,lorentey/swift,allevato/swift,shajrawi/swift,brentdax/swift,calebd/swift,huonw/swift,brentdax/swift,jmgc/swift,kstaring/swift,gmilos/swift,natecook1000/swift,gmilos/swift,gregomni/swift,deyton/swift,practicalswift/swift,deyton/swift,JaSpa/swift,amraboelela/swift,roambotics/swift,tardieu/swift,devincoughlin/swift,alblue/swift,xedin/swift,CodaFi/swift,kperryua/swift,codestergit/swift,calebd/swift,brentdax/swift,apple/swift,xwu/swift,jckarter/swift,gribozavr/swift,practicalswift/swift,Jnosh/swift,xedin/swift,tardieu/swift,arvedviehweger/swift,parkera/swift,danielmartin/swift,arvedviehweger/swift,sschiau/swift,JGiola/swift,hooman/swift,hughbe/swift,nathawes/swift,amraboelela/swift,gmilos/swift,JaSpa/swift,return/swift,IngmarStein/swift,devincoughlin/swift,karwa/swift,atrick/swift,tkremenek/swift,jmgc/swift,felix91gr/swift,uasys/swift,jtbandes/swift,huonw/swift,lorentey/swift,zisko/swift,kperryua/swift,atrick/swift,frootloops/swift,JaSpa/swift,tinysun212/swift-windows,jopamer/swift,calebd/swift,uasys/swift,benlangmuir/swift,huonw/swift,return/swift,uasys/swift,rudkx/swift,allevato/swift,stephentyrone/swift,xwu/swift,kperryua/swift,karwa/swift,uasys/swift,huonw/swift,karwa/swift,hughbe/swift,airspeedswift/swift,return/swift,tinysun212/swift-windows,devincoughlin/swift,xedin/swift,tkremenek/swift,roambotics/swift,benlangmuir/swift,aschwaighofer/swift,deyton/swift,milseman/swift,xwu/swift,jtbandes/swift,arvedviehweger/swift,hughbe/swift,tardieu/swift,alblue/swift,ahoppen/swift,frootloops/swift,hughbe/swift,arvedviehweger/swift,tjw/swift,felix91gr/swift,swiftix/swift,hughbe/swift,amraboelela/swift,roambotics/swift,huonw/swift,tinysun212/swift-windows,djwbrown/swift,nathawes/swift,OscarSwanros/swift,apple/swift,jckarter/swift,gregomni/swift,djwbrown/swift,allevato/swift,airspeedswift/swift,shajrawi/swift,felix91gr/swift,JGiola/swift,aschwaighofer/swift,gregomni/swift,JGiola/swift,hooman/swift,kstaring/swift,devincoughlin/swift,nathawes/swift,apple/swift,danielmartin/swift,modocache/swift,parkera/swift,djwbrown/swift,uasys/swift,xedin/swift,felix91gr/swift,frootloops/swift,shahmishal/swift,kperryua/swift,jckarter/swift,milseman/swift,tinysun212/swift-windows,manavgabhawala/swift,alblue/swift,OscarSwanros/swift,tardieu/swift,allevato/swift,calebd/swift,Jnosh/swift,gottesmm/swift,austinzheng/swift,CodaFi/swift,lorentey/swift,brentdax/swift,ahoppen/swift,uasys/swift,rudkx/swift,deyton/swift,harlanhaskins/swift,benlangmuir/swift,tkremenek/swift,IngmarStein/swift,milseman/swift,gottesmm/swift,deyton/swift,OscarSwanros/swift,modocache/swift,parkera/swift,shahmishal/swift,atrick/swift,tinysun212/swift-windows,roambotics/swift,jckarter/swift,glessard/swift,jopamer/swift,tinysun212/swift-windows,danielmartin/swift,felix91gr/swift,alblue/swift,airspeedswift/swift,ahoppen/swift,calebd/swift,hooman/swift,calebd/swift,tjw/swift,tkremenek/swift,harlanhaskins/swift,deyton/swift,natecook1000/swift,codestergit/swift,nathawes/swift,amraboelela/swift,modocache/swift,aschwaighofer/swift,brentdax/swift,tkremenek/swift,devincoughlin/swift,manavgabhawala/swift,parkera/swift,tjw/swift,gottesmm/swift,modocache/swift,atrick/swift,jopamer/swift,karwa/swift,jopamer/swift,swiftix/swift,IngmarStein/swift,ben-ng/swift,kstaring/swift,xedin/swift,IngmarStein/swift,bitjammer/swift,danielmartin/swift,roambotics/swift,swiftix/swift,felix91gr/swift,therealbnut/swift,rudkx/swift,devincoughlin/swift,austinzheng/swift,xwu/swift,benlangmuir/swift,kstaring/swift,huonw/swift,shahmishal/swift,gribozavr/swift,tjw/swift,return/swift,kperryua/swift,shajrawi/swift,bitjammer/swift,tkremenek/swift,alblue/swift,huonw/swift,aschwaighofer/swift,therealbnut/swift,hooman/swift,lorentey/swift,jckarter/swift,kperryua/swift,codestergit/swift,therealbnut/swift,djwbrown/swift,milseman/swift,airspeedswift/swift,benlangmuir/swift,danielmartin/swift,natecook1000/swift,stephentyrone/swift,shajrawi/swift,sschiau/swift,sschiau/swift,austinzheng/swift,OscarSwanros/swift,frootloops/swift,OscarSwanros/swift,ben-ng/swift,IngmarStein/swift,Jnosh/swift,parkera/swift,tjw/swift,jtbandes/swift,stephentyrone/swift,atrick/swift,natecook1000/swift,therealbnut/swift,austinzheng/swift,arvedviehweger/swift,ahoppen/swift,karwa/swift,glessard/swift,nathawes/swift,JGiola/swift,jtbandes/swift,practicalswift/swift,ben-ng/swift,allevato/swift,rudkx/swift,austinzheng/swift,austinzheng/swift,Jnosh/swift,bitjammer/swift,Jnosh/swift,milseman/swift,zisko/swift,swiftix/swift,JaSpa/swift,nathawes/swift,swiftix/swift,shahmishal/swift,natecook1000/swift,xedin/swift,tardieu/swift,harlanhaskins/swift,tkremenek/swift,practicalswift/swift,arvedviehweger/swift,harlanhaskins/swift,harlanhaskins/swift,therealbnut/swift,gmilos/swift,JGiola/swift,nathawes/swift,jmgc/swift,gregomni/swift,JGiola/swift,frootloops/swift,stephentyrone/swift,airspeedswift/swift,arvedviehweger/swift,shajrawi/swift,stephentyrone/swift,frootloops/swift,IngmarStein/swift,zisko/swift,tardieu/swift,glessard/swift,gribozavr/swift,amraboelela/swift,djwbrown/swift,sschiau/swift,xwu/swift,aschwaighofer/swift,practicalswift/swift,gribozavr/swift,kstaring/swift,practicalswift/swift,alblue/swift,lorentey/swift,xwu/swift,parkera/swift,parkera/swift,sschiau/swift,ben-ng/swift,sschiau/swift,hooman/swift,lorentey/swift,sschiau/swift,gribozavr/swift,IngmarStein/swift,zisko/swift,stephentyrone/swift,gmilos/swift,xwu/swift,CodaFi/swift,zisko/swift,bitjammer/swift,natecook1000/swift,karwa/swift,aschwaighofer/swift,OscarSwanros/swift,danielmartin/swift,jmgc/swift