add some assert() messages.

[ardour.git] / gtk2_ardour / editor_route_groups.cc

diff --git a/gtk2_ardour/editor_route_groups.cc b/gtk2_ardour/editor_route_groups.cc
index c7a148304b2da1a62d0259ed22b4c9c88d311e56..6d56b7d8c0395612cd7ccd75e056462510d40281 100644 (file)
--- a/gtk2_ardour/editor_route_groups.cc
+++ b/gtk2_ardour/editor_route_groups.cc
@@ -473,6 +473,7 @@ EditorRouteGroups::groups_changed ()
 void
 EditorRouteGroups::property_changed (RouteGroup* group, const PropertyChange&)
 {
+       assert(group);
        _in_row_change = true;
 
        Gtk::TreeModel::Children children = _model->children();