parameter fix

theano/gof/vm.py

@@ -500,7 +500,7 @@ class Stack(VM):
                 except Exception:
                     link.raise_with_op(current_apply,
                                        self.thunks[self.node_idx[current_apply]],
-                                       storage_map)
+                                       storage_map=storage_map)
 
                 if requires:
                     for r in requires: