Removed unnecessary processings before calling concretize_xxx_addr() so that negative addresses are kept.
Removed unnecessary processings before calling concretize_xxx_addr() so that negative addresses are kept.

chubbymaggie/angr,chubbymaggie/angr,tyb0807/angr,zhuyue1314/simuvex,axt/angr,schieb/angr,tyb0807/angr,angr/simuvex,schieb/angr,angr/angr,f-prettyland/angr,tyb0807/angr,chubbymaggie/angr,iamahuman/angr,chubbymaggie/simuvex,angr/angr,angr/angr,chubbymaggie/simuvex,chubbymaggie/simuvex,iamahuman/angr,f-prettyland/angr,axt/angr,iamahuman/angr,f-prettyland/angr,schieb/angr,axt/angr