#0  IA__g_log (log_domain=0x4203b7 "Gtk", log_level=G_LOG_LEVEL_CRITICAL, format=0x906d55 "%s: assertion `%s' failed") at /build/buildd/glib2.0-2.24.0/glib/gmessages.c:561
#1  0x008c22bb in IA__g_return_if_fail_warning (log_domain=0x4203b7 "Gtk", pretty_function=0x4b48fc "gtk_misc_set_alignment", expression=0x4b4758 "GTK_IS_MISC (misc)")
    at /build/buildd/glib2.0-2.24.0/glib/gmessages.c:584
#2  0x0027f52b in IA__gtk_misc_set_alignment (misc=0x80a7c08, xalign=0.5, yalign=0.5) at /build/buildd/gtk+2.0-2.20.0/gtk/gtkmisc.c:187
#3  0x003457a0 in gtk_tool_button_construct_contents (tool_item=0x80ac000) at /build/buildd/gtk+2.0-2.20.0/gtk/gtktoolbutton.c:474
#4  0x00345d12 in gtk_tool_button_property_notify (object=0x80ac000, pspec=0x80a6a50) at /build/buildd/gtk+2.0-2.20.0/gtk/gtktoolbutton.c:586
#5  0x008414e8 in IA__g_cclosure_marshal_VOID__PARAM (closure=0x8061498, return_value=0x0, n_param_values=2, param_values=0x80a6aa0, invocation_hint=0xbfffefc0, marshal_data=0x345ca0)
    at /build/buildd/glib2.0-2.24.0/gobject/gmarshal.c:531
#6  0x008328b9 in g_type_class_meta_marshal (closure=0x8061498, return_value=0x0, n_param_values=2, param_values=0x80a6aa0, invocation_hint=0xbfffefc0, marshal_data=0x20)
    at /build/buildd/glib2.0-2.24.0/gobject/gclosure.c:878
#7  0x00834252 in IA__g_closure_invoke (closure=0x8061498, return_value=0x0, n_param_values=2, param_values=0x80a6aa0, invocation_hint=0xbfffefc0) at /build/buildd/glib2.0-2.24.0/gobject/gclosure.c:767
#8  0x0084823a in signal_emit_unlocked_R (node=<value optimized out>, detail=<value optimized out>, instance=0x80ac000, emission_return=0x0, instance_and_params=0x80a6aa0)
    at /build/buildd/glib2.0-2.24.0/gobject/gsignal.c:3178
#9  0x00849db4 in IA__g_signal_emit_valist (instance=0x80ac000, signal_id=1, detail=716, var_args=0xbffff180 "\034U\224") at /build/buildd/glib2.0-2.24.0/gobject/gsignal.c:2981
#10 0x0084a256 in IA__g_signal_emit (instance=0x80ac000, signal_id=1, detail=716) at /build/buildd/glib2.0-2.24.0/gobject/gsignal.c:3038
#11 0x00838631 in g_object_dispatch_properties_changed (object=0x80ac000, n_pspecs=3, pspecs=0xbffff23c) at /build/buildd/glib2.0-2.24.0/gobject/gobject.c:801
#12 0x00834f8f in g_object_notify_dispatcher (object=0x80ac000, n_pspecs=3, pspecs=0xbffff23c) at /build/buildd/glib2.0-2.24.0/gobject/gobject.c:328
#13 0x0083b58b in g_object_notify_queue_thaw (object_type=134904632, n_parameters=2, parameters=0x80a8400) at /build/buildd/glib2.0-2.24.0/gobject/gobjectnotifyqueue.c:120
#14 IA__g_object_newv (object_type=134904632, n_parameters=2, parameters=0x80a8400) at /build/buildd/glib2.0-2.24.0/gobject/gobject.c:1300
#15 0x0083b90c in IA__g_object_new_valist (object_type=134904632, first_property_name=0x4b5737 "label", var_args=0xbffff3b4 "") at /build/buildd/glib2.0-2.24.0/gobject/gobject.c:1377
#16 0x0083ba27 in IA__g_object_new (object_type=134904632, first_property_name=0x4b5737 "label") at /build/buildd/glib2.0-2.24.0/gobject/gobject.c:1095
#17 0x00344d19 in IA__gtk_tool_button_new (icon_widget=0x80a7c08, label=0x0) at /build/buildd/gtk+2.0-2.20.0/gtk/gtktoolbutton.c:946
#18 0x080486fb in main (argc=1, argv=0xbffff4a4) at test.c:12
