Correct Windows Command Line Parsing Error Handling Paths
Correct Windows Command Line Parsing Error Handling Paths

Returning nullptr from this function is undefined behavior. Instead,
just crash.

atrick/swift,jckarter/swift,airspeedswift/swift,apple/swift,airspeedswift/swift,stephentyrone/swift,atrick/swift,xwu/swift,xwu/swift,jckarter/swift,stephentyrone/swift,allevato/swift,glessard/swift,nathawes/swift,atrick/swift,benlangmuir/swift,airspeedswift/swift,nathawes/swift,roambotics/swift,tkremenek/swift,rudkx/swift,allevato/swift,rudkx/swift,jckarter/swift,jmgc/swift,atrick/swift,gregomni/swift,CodaFi/swift,jmgc/swift,gregomni/swift,stephentyrone/swift,JGiola/swift,JGiola/swift,roambotics/swift,xwu/swift,atrick/swift,parkera/swift,JGiola/swift,hooman/swift,gregomni/swift,tkremenek/swift,roambotics/swift,benlangmuir/swift,nathawes/swift,nathawes/swift,parkera/swift,benlangmuir/swift,benlangmuir/swift,hooman/swift,ahoppen/swift,nathawes/swift,CodaFi/swift,JGiola/swift,apple/swift,allevato/swift,glessard/swift,glessard/swift,jmgc/swift,CodaFi/swift,atrick/swift,gregomni/swift,jmgc/swift,parkera/swift,rudkx/swift,CodaFi/swift,jckarter/swift,gregomni/swift,stephentyrone/swift,JGiola/swift,apple/swift,hooman/swift,xwu/swift,xwu/swift,ahoppen/swift,airspeedswift/swift,benlangmuir/swift,apple/swift,rudkx/swift,CodaFi/swift,jmgc/swift,ahoppen/swift,hooman/swift,stephentyrone/swift,jmgc/swift,rudkx/swift,CodaFi/swift,nathawes/swift,jckarter/swift,stephentyrone/swift,parkera/swift,roambotics/swift,allevato/swift,jckarter/swift,gregomni/swift,allevato/swift,parkera/swift,allevato/swift,glessard/swift,JGiola/swift,glessard/swift,roambotics/swift,airspeedswift/swift,tkremenek/swift,tkremenek/swift,nathawes/swift,tkremenek/swift,apple/swift,stephentyrone/swift,hooman/swift,airspeedswift/swift,airspeedswift/swift,apple/swift,ahoppen/swift,parkera/swift,ahoppen/swift,tkremenek/swift,hooman/swift,ahoppen/swift,xwu/swift,parkera/swift,hooman/swift,benlangmuir/swift,xwu/swift,parkera/swift,CodaFi/swift,allevato/swift,roambotics/swift,jmgc/swift,jckarter/swift,rudkx/swift,tkremenek/swift,glessard/swift