crash log for renderer (pid <unknown>):
STDOUT: #CRASHED - renderer
STDERR: [17430:775:1023/234441.277004:1996513427668:FATAL:Internals.cpp(3487)] Check failed: false. Intentional crash
STDERR: 0   Content Shell Framework             0x0000000111e62a6c base::debug::StackTrace::StackTrace(unsigned long) + 28
STDERR: 1   Content Shell Framework             0x0000000111e78ec2 logging::LogMessage::~LogMessage() + 210
STDERR: 2   Content Shell Framework             0x0000000111d98efe blink::Internals::crash() + 78
STDERR: 3   Content Shell Framework             0x000000011151a3f1 v8::internal::FunctionCallbackArguments::Call(void (*)(v8::FunctionCallbackInfo<v8::Value> const&)) + 417
STDERR: 4   Content Shell Framework             0x000000011159c9a3 v8::internal::MaybeHandle<v8::internal::Object> v8::internal::(anonymous namespace)::HandleApiCallHelper<false>(v8::internal::Isolate*, v8::internal::Handle<v8::internal::HeapObject>, v8::internal::Handle<v8::internal::HeapObject>, v8::internal::Handle<v8::internal::FunctionTemplateInfo>, v8::internal::Handle<v8::internal::Object>, v8::internal::BuiltinArguments) + 771
STDERR: 5   Content Shell Framework             0x000000011159bfa4 v8::internal::Builtin_Impl_HandleApiCall(v8::internal::BuiltinArguments, v8::internal::Isolate*) + 260
STDERR: 6   ???                                 0x00002338ef00469d 0x0 + 38727434913437
STDERR: 7   ???                                 0x00002338ef05e686 0x0 + 38727435282054
STDERR: 8   ???                                 0x00002338ef05c079 0x0 + 38727435272313
STDERR: 9   ???                                 0x00002338ef0040ff 0x0 + 38727434911999
STDERR: 10  Content Shell Framework             0x0000000111820e57 v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, bool, v8::internal::Handle<v8::internal::Object>, v8::internal::Handle<v8::internal::Object>, int, v8::internal::Handle<v8::internal::Object>*, v8::internal::Handle<v8::internal::Object>, v8::internal::Execution::MessageHandling) + 455
STDERR: 11  Content Shell Framework             0x0000000111820c1c v8::internal::Execution::Call(v8::internal::Isolate*, v8::internal::Handle<v8::internal::Object>, v8::internal::Handle<v8::internal::Object>, int, v8::internal::Handle<v8::internal::Object>*) + 140
STDERR: 12  Content Shell Framework             0x00000001115235bd v8::Script::Run(v8::Local<v8::Context>) + 861
STDERR: 13  Content Shell Framework             0x00000001134e1e54 blink::V8ScriptRunner::RunCompiledScript(v8::Isolate*, v8::Local<v8::Script>, blink::ExecutionContext*) + 420
STDERR: 14  Content Shell Framework             0x00000001134c5505 blink::ScriptController::ExecuteScriptAndReturnValue(v8::Local<v8::Context>, blink::ScriptSourceCode const&, blink::ScriptFetchOptions const&, blink::AccessControlStatus) + 389
STDERR: 15  Content Shell Framework             0x00000001134c5e0d blink::ScriptController::EvaluateScriptInMainWorld(blink::ScriptSourceCode const&, blink::ScriptFetchOptions const&, blink::AccessControlStatus, blink::ScriptController::ExecuteScriptPolicy) + 237
STDERR: 16  Content Shell Framework             0x00000001134c5f77 blink::ScriptController::ExecuteScriptInMainWorld(blink::ScriptSourceCode const&, blink::ScriptFetchOptions const&, blink::AccessControlStatus) + 71
STDERR: 17  Content Shell Framework             0x0000000113b9654b blink::ScriptLoader::DoExecuteScript(blink::Script const*) + 555
STDERR: 18  Content Shell Framework             0x0000000113b961b1 blink::ScriptLoader::ExecuteScriptBlock(blink::PendingScript*, blink::KURL const&) + 241
STDERR: 19  Content Shell Framework             0x0000000113b95464 blink::ScriptLoader::PrepareScript(WTF::TextPosition const&, blink::ScriptLoader::LegacyTypeSupport) + 2740
STDERR: 20  Content Shell Framework             0x0000000113e64c8f blink::HTMLParserScriptRunner::ProcessScriptElementInternal(blink::Element*, WTF::TextPosition const&) + 351
STDERR: 21  Content Shell Framework             0x0000000113e64aa2 blink::HTMLParserScriptRunner::ProcessScriptElement(blink::Element*, WTF::TextPosition const&) + 50
STDERR: 22  Content Shell Framework             0x0000000113e57cea blink::HTMLDocumentParser::ProcessTokenizedChunkFromBackgroundParser(std::__1::unique_ptr<blink::HTMLDocumentParser::TokenizedChunk, std::__1::default_delete<blink::HTMLDocumentParser::TokenizedChunk> >) + 1034
STDERR: 23  Content Shell Framework             0x0000000113e5681b blink::HTMLDocumentParser::PumpPendingSpeculations() + 363
STDERR: 24  Content Shell Framework             0x000000011371c9d1 blink::TaskHandle::Runner::Run(blink::TaskHandle const&) + 49
STDERR: 25  Content Shell Framework             0x0000000111e6326c base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 188
STDERR: 26  Content Shell Framework             0x0000000111d0f252 blink::scheduler::TaskQueueManager::ProcessTaskFromWorkQueue(blink::scheduler::internal::WorkQueue*, bool, blink::scheduler::LazyNow, base::TimeTicks*) + 1538
STDERR: 27  Content Shell Framework             0x0000000111d0d292 blink::scheduler::TaskQueueManager::DoWork(bool) + 514
STDERR: 28  Content Shell Framework             0x0000000111e6326c base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 188
STDERR: 29  Content Shell Framework             0x0000000111e84e24 base::MessageLoop::RunTask(base::PendingTask*) + 500
STDERR: 30  Content Shell Framework             0x0000000111e85329 base::MessageLoop::DoWork() + 473
STDERR: 31  Content Shell Framework             0x0000000111e8719a base::MessagePumpCFRunLoopBase::RunWork() + 42
STDERR: 32  Content Shell Framework             0x0000000111e79bba base::mac::CallWithEHFrame(void () block_pointer) + 10
STDERR: 33  Content Shell Framework             0x0000000111e86abf base::MessagePumpCFRunLoopBase::RunWorkSource(void*) + 63
STDERR: 34  CoreFoundation                      0x00007fff7d596321 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
STDERR: 35  CoreFoundation                      0x00007fff7d57721d __CFRunLoopDoSources0 + 557
STDERR: 36  CoreFoundation                      0x00007fff7d576716 __CFRunLoopRun + 934
STDERR: 37  CoreFoundation                      0x00007fff7d576114 CFRunLoopRunSpecific + 420
STDERR: 38  Foundation                          0x00007fff7ef89252 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 277
STDERR: 39  Content Shell Framework             0x0000000111e877fe base::MessagePumpNSRunLoop::DoRun(base::MessagePump::Delegate*) + 126
STDERR: 40  Content Shell Framework             0x0000000111e865de base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*) + 110
STDERR: 41  Content Shell Framework             0x0000000111ea213a base::RunLoop::Run() + 26
STDERR: 42  Content Shell Framework             0x00000001149c3763 content::RendererMain(content::MainFunctionParams const&) + 643
STDERR: 43  Content Shell Framework             0x0000000110e9c40f content::ContentMainRunnerImpl::Run() + 383
STDERR: 44  Content Shell Framework             0x000000011302fdf8 service_manager::Main(service_manager::MainParams const&) + 2344
STDERR: 45  Content Shell Framework             0x0000000110e9b914 content::ContentMain(content::ContentMainParams const&) + 68
STDERR: 46  Content Shell Framework             0x0000000110994186 ContentMain + 70
STDERR: 47  libdyld.dylib                       0x00007fff92d25235 start + 1
STDERR: 
