Comment 2 for bug 758480

StacktraceTop:
 gtk_label_ensure_layout (label=0xdd8100) at /build/buildd/gtk+2.0-2.24.4/gtk/gtklabel.c:3103
 gtk_label_size_request (widget=0xdd8100, requisition=0xdd8138) at /build/buildd/gtk+2.0-2.24.4/gtk/gtklabel.c:3163
 g_closure_invoke (closure=0xdc8120, return_value=0x0, n_param_values=2, param_values=0xdd1130, invocation_hint=0x7fff2c192ae0) at /build/buildd/glib2.0-2.28.5/./gobject/gclosure.c:767
 signal_emit_unlocked_R (node=<value optimized out>, detail=0, instance=0xdd8100, emission_return=0x0, instance_and_params=0xdd1130) at /build/buildd/glib2.0-2.28.5/./gobject/gsignal.c:3182
 g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>) at /build/buildd/glib2.0-2.28.5/./gobject/gsignal.c:2983