1.1 --- a/test/digraph_test.cc	Thu Sep 13 11:56:19 2012 +0200
     1.2 +++ b/test/digraph_test.cc	Thu Sep 13 12:02:27 2012 +0200
     1.3 @@ -442,6 +442,7 @@
     1.4      a2 = g.addArc(n2, n1),
     1.5      a3 = g.addArc(n2, n3),
     1.6      a4 = g.addArc(n2, n3);
     1.7 +  ignore_unused_variable_warning(a2,a3,a4);
     1.8  
     1.9    digraphCopy(g, G).nodeRef(nref).run();
    1.10