[test] Handle StdlibUnittest built with -sil-serialize-all.
[test] Handle StdlibUnittest built with -sil-serialize-all.

...one of our strategies to increase test coverage, which necessitates
some unfortunate workarounds for gaps in the compiler.

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