CFGFast: support getting exits statically from SimProcedures
CFGFast: support getting exits statically from SimProcedures

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