Bug 227501

imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-events.html is crashing in debug: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.JavaScriptCore 0x000000011f11081e WTFCrash + 14 (Assertions.cpp:321) 1 com.apple.WebCore 0x0000000162ed064b WTFCrashWithInfo(int, char const*, char const*, int) + 27 (Assertions.h:697) 2 com.apple.WebCore 0x0000000164f8c4bc -[WebSpeechSynthesisWrapper speakUtterance:] + 108 (PlatformSpeechSynthesizerMac.mm:88) 3 com.apple.WebCore 0x0000000164f8d7fd WebCore::PlatformSpeechSynthesizer::speak(WTF::RefPtr<WebCore::PlatformSpeechSynthesisUtterance, WTF::RawPtrTraits<WebCore::PlatformSpeechSynthesisUtterance>, WTF::DefaultRefDerefTraits<WebCore::PlatformSpeechSynthesisUtterance> >&&) + 205 (PlatformSpeechSynthesizerMac.mm:270) 4 com.apple.WebKit 0x0000000139598f5f WebKit::WebPageProxy::speechSynthesisSpeak(WTF::String const&, WTF::String const&, float, float, float, WTF::MonotonicTime, WTF::String const&, WTF::String const&, WTF::String const&, bool, bool, WTF::CompletionHandler<void ()>&&) + 495 (WebPageProxy.cpp:10397) 5 com.apple.WebKit 0x000000013a2e2cf0 void IPC::callMemberFunctionImpl<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WTF::String const&, WTF::String const&, float, float, float, WTF::MonotonicTime, WTF::String const&, WTF::String const&, WTF::String const&, bool, bool, WTF::CompletionHandler<void ()>&&), void (), std::__1::tuple<WTF::String, WTF::String, float, float, float, WTF::MonotonicTime, WTF::String, WTF::String, WTF::String, bool, bool>, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul, 6ul, 7ul, 8ul, 9ul, 10ul>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WTF::String const&, WTF::String const&, float, float, float, WTF::MonotonicTime, WTF::String const&, WTF::String const&, WTF::String const&, bool, bool, WTF::CompletionHandler<void ()>&&), WTF::CompletionHandler<void ()>&&, std::__1::tuple<WTF::String, WTF::String, float, float, float, WTF::MonotonicTime, WTF::String, WTF::String, WTF::String, bool, bool>&&, std::__1::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul, 6ul, 7ul, 8ul, 9ul, 10ul>) + 512 (HandleMessage.h:57) 6 com.apple.WebKit 0x000000013a2dbbf2 void IPC::callMemberFunction<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WTF::String const&, WTF::String const&, float, float, float, WTF::MonotonicTime, WTF::String const&, WTF::String const&, WTF::String const&, bool, bool, WTF::CompletionHandler<void ()>&&), void (), std::__1::tuple<WTF::String, WTF::String, float, float, float, WTF::MonotonicTime, WTF::String, WTF::String, WTF::String, bool, bool>, std::__1::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul, 6ul, 7ul, 8ul, 9ul, 10ul> >(std::__1::tuple<WTF::String, WTF::String, float, float, float, WTF::MonotonicTime, WTF::String, WTF::String, WTF::String, bool, bool>&&, WTF::CompletionHandler<void ()>&&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WTF::String const&, WTF::String const&, float, float, float, WTF::MonotonicTime, WTF::String const&, WTF::String const&, WTF::String const&, bool, bool, WTF::CompletionHandler<void ()>&&)) + 130 (HandleMessage.h:63) 7 com.apple.WebKit 0x000000013a25d378 void IPC::handleMessageAsync<Messages::WebPageProxy::SpeechSynthesisSpeak, WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WTF::String const&, WTF::String const&, float, float, float, WTF::MonotonicTime, WTF::String const&, WTF::String const&, WTF::String const&, bool, bool, WTF::CompletionHandler<void ()>&&)>(IPC::Connection&, IPC::Decoder&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WTF::String const&, WTF::String const&, float, float, float, WTF::MonotonicTime, WTF::String const&, WTF::String const&, WTF::String const&, bool, bool, WTF::CompletionHandler<void ()>&&)) + 344 (HandleMessage.h:197) 8 com.apple.WebKit 0x000000013a25300b WebKit::WebPageProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 22683 (WebPageProxyMessageReceiver.cpp:1692) 9 com.apple.WebKit 0x000000013853c773 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 387 (MessageReceiverMap.cpp:129) 10 com.apple.WebKit 0x00000001393d258c WebKit::AuxiliaryProcessProxy::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 44 (AuxiliaryProcessProxy.cpp:234) 11 com.apple.WebKit 0x0000000139678fd9 WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 41 (WebProcessProxy.cpp:848) 12 com.apple.WebKit 0x000000013805570e IPC::Connection::dispatchMessage(IPC::Decoder&) + 494 (Connection.cpp:1058) 13 com.apple.WebKit 0x0000000138055eb2 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) + 610 (Connection.cpp:1103) 14 com.apple.WebKit 0x0000000138054574 IPC::Connection::dispatchIncomingMessages() + 868 (Connection.cpp:1207) 15 com.apple.WebKit 0x00000001380776b6 IPC::Connection::MessagesThrottler::scheduleMessagesDispatch()::$_14::operator()() + 118 (Connection.cpp:1139) 16 com.apple.WebKit 0x0000000138077599 WTF::Detail::CallableWrapper<IPC::Connection::MessagesThrottler::scheduleMessagesDispatch()::$_14, void>::call() + 25 (Function.h:53) 17 com.apple.JavaScriptCore 0x000000011f139722 WTF::Function<void ()>::operator()() const + 130 (Function.h:82) Not a regression, just a newly imported WPT test.