[CSStep] Don't abort upon discovering constraint system in an invalid state
[CSStep] Don't abort upon discovering constraint system in an invalid state

Setting `InvalidState` already makes sure that there is no possibility
of miscompile.

rudkx/swift,gregomni/swift,ahoppen/swift,glessard/swift,hooman/swift,atrick/swift,xwu/swift,xwu/swift,ahoppen/swift,gregomni/swift,xwu/swift,atrick/swift,apple/swift,glessard/swift,apple/swift,ahoppen/swift,benlangmuir/swift,atrick/swift,JGiola/swift,apple/swift,roambotics/swift,benlangmuir/swift,ahoppen/swift,hooman/swift,xwu/swift,roambotics/swift,benlangmuir/swift,gregomni/swift,rudkx/swift,gregomni/swift,xwu/swift,gregomni/swift,glessard/swift,atrick/swift,xwu/swift,rudkx/swift,benlangmuir/swift,roambotics/swift,rudkx/swift,JGiola/swift,JGiola/swift,gregomni/swift,ahoppen/swift,atrick/swift,benlangmuir/swift,roambotics/swift,apple/swift,JGiola/swift,hooman/swift,benlangmuir/swift,glessard/swift,rudkx/swift,atrick/swift,apple/swift,JGiola/swift,roambotics/swift,JGiola/swift,hooman/swift,roambotics/swift,hooman/swift,xwu/swift,glessard/swift,hooman/swift,rudkx/swift,hooman/swift,ahoppen/swift,apple/swift,glessard/swift