This is on a device I recently imaged:

[10731:10731:0115/164053.647869:FATAL:app_list_struct_traits.h(115)] Check failed: false.
#0 0x643f5786a12f base::debug::StackTrace::StackTrace()
#1 0x643f577ab2db logging::LogMessage::~LogMessage()
#2 0x643f552d0c19 mojo::internal::Serializer<>::Serialize()
#3 0x643f552cfc24 mojo::internal::ArraySerializer<>::SerializeElements()
#4 0x643f552cfab0 mojo::internal::Serializer<>::Serialize()
#5 0x643f552be7c3 ash::mojom::AppListControllerProxy::PublishSearchResults()
#6 0x643f5af9d32f ChromeAppListModelUpdater::PublishSearchResults()
#7 0x643f5afa92d1 app_list::Mixer::MixAndPublish()
#8 0x643f5afb562d app_list::ArcAppShortcutsSearchProvider::OnGetAppShortcutGlobalQueryItems()
#9 0x643f5579e643 base::internal::InvokeHelper<>::MakeItSo<>()
#10 0x643f555ec37d arc::mojom::AppInstance_GetAppShortcutGlobalQueryItems_ForwardToCallback::Accept()
#11 0x643f578d4e58 mojo::InterfaceEndpointClient::HandleValidatedMessage()
#12 0x643f578d75c6 mojo::FilterChain::Accept()
#13 0x643f578d6272 mojo::InterfaceEndpointClient::HandleIncomingMessage()
#14 0x643f578ddf79 mojo::internal::MultiplexRouter::ProcessIncomingMessage()
#15 0x643f578dd36d mojo::internal::MultiplexRouter::Accept()
#16 0x643f578d75c6 mojo::FilterChain::Accept()
#17 0x643f578d25db mojo::Connector::ReadSingleMessage()
#18 0x643f578d3154 mojo::Connector::ReadAllAvailableMessages()
#19 0x643f578d2fb6 mojo::Connector::OnHandleReadyInternal()
#20 0x643f544921a4 mojo::SimpleWatcher::DiscardReadyState()
#21 0x643f578f4031 mojo::SimpleWatcher::OnHandleReady()
#22 0x643f5467265c _ZN4base8internal7InvokerINS0_9BindStateIMN3viz14GpuServiceImplEFvN3gfx21GenericSharedMemoryIdEiRKN3gpu9SyncTokenEEJNS_7WeakPtrIS4_EES6_iS8_EEEFvvEE7RunImplISC_NSt3__15tupleIJSE_S6_iS8_EEEJLm0ELm1ELm2ELm3EEEEvOT_OT0_NSJ_16integer_sequenceImJXspT1_EEEE
#23 0x643f577b5527 base::debug::TaskAnnotator::RunTask()
#24 0x643f577b47ff base::MessageLoopImpl::RunTask()
#25 0x643f577b4ee2 base::MessageLoopImpl::DoWork()
#26 0x643f5788c989 base::MessagePumpLibevent::Run()
#27 0x643f577b42d5 base::MessageLoopImpl::Run()
#28 0x643f577dfdd0 base::RunLoop::Run()
#29 0x643f572f39f8 ChromeBrowserMainParts::MainMessageLoopRun()
#30 0x643f5499f814 content::BrowserMainLoop::RunMainMessageLoopParts()
#31 0x643f549a2143 content::BrowserMainRunnerImpl::Run()
#32 0x643f5499c0a3 content::BrowserMain()
#33 0x643f572e498d content::ContentMainRunnerImpl::RunServiceManager()
#34 0x643f572e4556 content::ContentMainRunnerImpl::Run()
#35 0x643f572ebe36 service_manager::Main()
#36 0x643f572e2871 content::ContentMain()
#37 0x643f538a01ff ChromeMain
#38 0x7147ddf6aad4 __libc_start_main
#39 0x643f538a002a _start

I'm at d7382794e34cc57fad6bc1959893fc9b76629c0b 622900.