Always copy state.arch when SimState is copied.
Always copy state.arch when SimState is copied.

axt/angr,schieb/angr,tyb0807/angr,chubbymaggie/angr,schieb/angr,iamahuman/angr,angr/angr,axt/angr,tyb0807/angr,angr/angr,chubbymaggie/angr,f-prettyland/angr,iamahuman/angr,axt/angr,angr/angr,schieb/angr,iamahuman/angr,f-prettyland/angr,f-prettyland/angr,chubbymaggie/angr,tyb0807/angr