Relevant valgrind log.
==30807== Conditional jump or move depends on uninitialised value(s)
==30807== at 0x18270F3B: unity::PanelMenuView::OnPanelViewMouseEnter(int, int, unsigned long, unsigned long) (PanelMenuView.cpp:1646)
==30807== by 0x1827905A: sigc::bound_mem_functor4<void, unity::PanelMenuView, int, int, unsigned long, unsigned long>::operator()(int const&, int const&, unsigned long const&, unsigned long const&) const (in /usr/lib/compiz/libunityshell.so)
==30807== by 0x18278086: sigc::adaptor_functor<sigc::bound_mem_functor4<void, unity::PanelMenuView, int, int, unsigned long, unsigned long> >::deduce_result_type<int const&, int const&, unsigned long const&, unsigned long const&, void, void, void>::type sigc::adaptor_functor<sigc::bound_mem_functor4<void, unity::PanelMenuView, int, int, unsigned long, unsigned long> >::operator()<int const&, int const&, unsigned long const&, unsigned long const&>(int const&, int const&, unsigned long const&, unsigned long const&) const (adaptor_trait.h:144)
==30807== by 0x1827689F: sigc::internal::slot_call4<sigc::bound_mem_functor4<void, unity::PanelMenuView, int, int, unsigned long, unsigned long>, void, int, int, unsigned long, unsigned long>::call_it(sigc::internal::slot_rep*, int const&, int const&, unsigned long const&, unsigned long const&) (slot.h:251)
==30807== by 0x18652B1D: nux::InputArea::EmitMouseEnterSignal(int, int, unsigned long, unsigned long) (signal.h:1757)
==30807== by 0x186C4D11: nux::WindowCompositor::MouseEventCycle(nux::Event&) (WindowCompositor.cpp:435)
==30807== by 0x186C615E: nux::WindowCompositor::ProcessEvent(nux::Event&) (WindowCompositor.cpp:1043)
==30807== by 0x186C9E21: nux::WindowThread::ProcessForeignEvent(_XEvent*, void*) (WindowThread.cpp:1303)
==30807== by 0x1811818F: unity::UnityScreen::handleEvent(_XEvent*) (unityshell.cpp:1179)
==30807== by 0x457BE7: CompScreen::handleEvent(_XEvent*) (in /usr/bin/compiz)
==30807== by 0x431969: PrivateScreen::processEvents() (in /usr/bin/compiz)
==30807== by 0x45EAC0: CompEventSource::callback() (in /usr/bin/compiz)
Running unity revision 1856.
