Index: tol/btol/bgrammar/tol_bgencon.h
===================================================================
--- tol/btol/bgrammar/tol_bgencon.h	(revision eabf98c83a134fa5924f9241afe0706a545f916b)
+++ tol/btol/bgrammar/tol_bgencon.h	(revision 79066d754bf96d98ff8831ce0a733cb14609405d)
@@ -106,6 +106,6 @@
                            const BSyntaxObject* obj2)
   {
-    Any any1 = ((BGraContensBase<Any>*)obj1)->Contens();
-    Any any2 = ((BGraContensBase<Any>*)obj2)->Contens();
+    Any& any1 = ((BGraContensBase<Any>*)obj1)->Contens();
+    Any& any2 = ((BGraContensBase<Any>*)obj2)->Contens();
     return (Any::Compare(&any1, &any2));
   }