Recent changes fixed <rdar://19215114> QoI: Poor diagnostic when we are unable to infer type
Recent changes fixed <rdar://19215114> QoI: Poor diagnostic when we are unable to infer type

add a testcase so we don't regress on it.

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