debug output+

git-svn-id: svn://localhost/ardour2/branches/3.0@6099 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/gtk2_ardour/mixer_ui.cc b/gtk2_ardour/mixer_ui.cc
index 40735a0635c9960c15344bb8a88bfcfe14781cb1..299c9fc4f331266ba16435bbdb397485b91cd671 100644 (file)
--- a/gtk2_ardour/mixer_ui.cc
+++ b/gtk2_ardour/mixer_ui.cc
@@ -24,6 +24,7 @@
 #include <gtkmm/accelmap.h>
 
 #include "pbd/convert.h"
+#include "pbd/stacktrace.h"
 #include <glibmm/thread.h>
 
 #include <gtkmm2ext/gtk_ui.h>
@@ -403,6 +404,10 @@ Mixer_UI::sync_order_keys (string const & src)
                        changed = true;
                }
        }
+
+       if (keys.size() != rows.size()) {
+               PBD::stacktrace (cerr, 20);
+       }
        assert(keys.size() == rows.size());
 
        // Remove any gaps in keys caused by automation children tracks