fix bug where path_group.split() would ditch the existing target stash
fix bug where path_group.split() would ditch the existing target stash

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