Comment 2 for bug 916879

StacktraceTop:
 ?? ()
 unity::switcher::SwitcherController::CompareSwitcherItemsPriority (first=0x9550af0, second=0x806430) at /build/buildd/unity-4.28.0/plugins/unityshell/src/SwitcherController.cpp:354
 std::__insertion_sort<__gnu_cxx::__normal_iterator<AbstractLauncherIcon**, std::vector<AbstractLauncherIcon*, std::allocator<AbstractLauncherIcon*> > >, bool (*)(AbstractLauncherIcon*, AbstractLauncherIcon*)> (__first=..., __last=..., __comp=0x2aa4f80 <unity::switcher::SwitcherController::CompareSwitcherItemsPriority(AbstractLauncherIcon*, AbstractLauncherIcon*)>) at /usr/include/c++/4.6/bits/stl_algo.h:2129
 __final_insertion_sort<__gnu_cxx::__normal_iterator<AbstractLauncherIcon**, std::vector<AbstractLauncherIcon*> >, bool (*)(AbstractLauncherIcon*, AbstractLauncherIcon*)> (__last=<optimized out>, __first=<optimized out>, __comp=<optimized out>) at /usr/include/c++/4.6/bits/stl_algo.h:2201
 sort<__gnu_cxx::__normal_iterator<AbstractLauncherIcon**, std::vector<AbstractLauncherIcon*> >, bool (*)(AbstractLauncherIcon*, AbstractLauncherIcon*)> (__comp=<optimized out>, __last=<optimized out>, __first=<optimized out>) at /usr/include/c++/4.6/bits/stl_algo.h:5370