ASSERT INFO:
../src/gtk/clipbrd.cpp(71): assert "!ms_clipboard" failed in wxClipboardSync(): reentrancy in clipboard code

BACKTRACE:
[1] wxClipboard::DoIsSupported(wxDataFormat const&)
[2] wxClipboard::IsSupported(wxDataFormat const&)
[3] LabelTrack::IsTextClipSupported()
[4] AudacityProject::GetUpdateFlags()
[5] AudacityProject::UpdateMenus(bool)
[6] AudacityProject::FixScrollbars()
[7] TrackPanel::DoDrawIndicator(wxDC&, bool)
[8] TrackPanel::DrawIndicator()
[9] TrackPanel::OnTimer()
[10] g_main_context_dispatch
[11] g_main_context_iteration
[12] gtk_main_iteration
[13] wxGUIEventLoop::YieldFor(long)
[14] wxClipboard::DoIsSupported(wxDataFormat const&)
[15] wxClipboard::IsSupported(wxDataFormat const&)
[16] LabelTrack::IsTextClipSupported()
[17] AudacityProject::GetUpdateFlags()
[18] AudacityProject::UpdateMenus(bool)
[19] wxAppConsoleBase::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const
[20] wxAppConsoleBase::CallEventHandler(wxEvtHandler*, wxEventFunctor&, wxEvent&) const
[21] wxEvtHandler::ProcessEventIfMatchesId(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&)
[22] wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*)
[23] wxEvtHandler::TryHereOnly(wxEvent&)
[24] wxEvtHandler::ProcessEventLocally(wxEvent&)
[25] wxEvtHandler::ProcessEvent(wxEvent&)
[26] wxWindowBase::TryAfter(wxEvent&)
[27] wxEvtHandler::ProcessEvent(wxEvent&)
[28] wxWindowBase::TryAfter(wxEvent&)
[29] wxEvtHandler::ProcessEvent(wxEvent&)
[30] wxWindowBase::UpdateWindowUI(long)
[31] wxWindowBase::OnInternalIdle()
[32] wxWindow::OnInternalIdle()
[33] wxWindowBase::SendIdleEvents(wxIdleEvent&)
[34] wxWindowBase::SendIdleEvents(wxIdleEvent&)
[35] wxWindowBase::SendIdleEvents(wxIdleEvent&)
[36] wxFrame::SendIdleEvents(wxIdleEvent&)
[37] wxAppBase::ProcessIdle()
[38] wxApp::DoIdle()
[39] g_main_context_dispatch
[40] g_main_loop_run
[41] gtk_main
[42] wxGUIEventLoop::DoRun()
[43] wxEventLoopBase::Run()
[44] wxAppConsoleBase::MainLoop()
[45] wxAppConsoleBase::OnRun()
[46] wxAppBase::OnRun()
[47] wxEntry(int&, wchar_t**)
[48] wxEntry(int&, char**)
[49] main
[50] __libc_start_main
[51] _start