Comment 2 for bug 949507

StacktraceTop:
 recalculate_size (renderer=0x8658948) at gtksourcegutterrendererlines.c:74
 g_cclosure_marshal_VOID__VOID (closure=0x8678b88, return_value=0x0, n_param_values=1, param_values=0x8a4d5c8, invocation_hint=0xbfe04ba0, marshal_data=0x0) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:85
 g_closure_invoke (closure=0x8678b88, return_value=0x0, n_param_values=1, param_values=0x8a4d5c8, invocation_hint=0xbfe04ba0) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=0x8945b60, detail=0, instance=0x8954820, emission_return=0x0, instance_and_params=0x8a4d5c8) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3547
 g_signal_emit_valist (instance=0x8954820, signal_id=352, detail=0, var_args=0xbfe04dec "\364\237\221") at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3295