[Diagnostics] Add a `getLoc` method to `FailureDiagnostic`
[Diagnostics] Add a `getLoc` method to `FailureDiagnostic`

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