CFGFast: make sure block.capstone.insns is not empty before accessing the first instruction.
CFGFast: make sure block.capstone.insns is not empty before accessing the first instruction.

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