[ConstraintSystem] Handle assignment to `AnyObject` as a contextual type mismatch
[ConstraintSystem] Handle assignment to `AnyObject` as a contextual type mismatch

Contextual diagnostics already have a special case for `AnyObject`
conversions which is going to be diagnosed as a missing conformance.

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