CFGFast: bug-fix: irsb.size may be accessed when irsb is None.
CFGFast: bug-fix: irsb.size may be accessed when irsb is None.

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