[Webkit-unassigned] [Bug 237172] [ BigSur+ EWS ] imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice.html is a flaky ASSERTION FAILED / failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=237172

Ryan Haddad <ryanhaddad at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |cfleizach at apple.com

--- Comment #6 from Ryan Haddad <ryanhaddad at apple.com> ---
The assertion failure is:
ASSERTION FAILED: m_wrapper
./bindings/js/JSEventListener.h(157) : JSC::JSObject *WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext &) const
1   0x150849bbc WTFCrash
2   0x104267d90 WTFCrashWithInfo(int, char const*, char const*, int)
3   0x10662fbc0 WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext&) const
4   0x10662f288 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&)
5   0x106ee8b98 WebCore::EventTarget::innerInvokeEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener, WTF::RawPtrTraits<WebCore::RegisteredEventListener>, WTF::DefaultRefDerefTraits<WebCore::RegisteredEventListener> >, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>, WebCore::EventTarget::EventInvokePhase)
6   0x106ee8710 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WebCore::EventTarget::EventInvokePhase)
7   0x106ee85d0 WebCore::EventTarget::dispatchEvent(WebCore::Event&)
8   0x10617c07c WebCore::SpeechSynthesis::fireEvent(WTF::AtomString const&, WebCore::SpeechSynthesisUtterance&, unsigned long, WTF::String const&)
9   0x10617c28c WebCore::SpeechSynthesis::handleSpeakingCompleted(WebCore::SpeechSynthesisUtterance&, bool)
10  0x10617cb2c WebCore::SpeechSynthesis::didFinishSpeaking(WebCore::PlatformSpeechSynthesisUtterance&)
11  0x10617c700 WebCore::SpeechSynthesis::didFinishSpeaking()
12  0x12c821e10 WebKit::WebSpeechSynthesisClient::speak(WTF::RefPtr<WebCore::PlatformSpeechSynthesisUtterance, WTF::RawPtrTraits<WebCore::PlatformSpeechSynthesisUtterance>, WTF::DefaultRefDerefTraits<WebCore::PlatformSpeechSynthesisUtterance> >)::$_9::operator()()
13  0x12c821cfc WTF::Detail::CallableWrapper<WebKit::WebSpeechSynthesisClient::speak(WTF::RefPtr<WebCore::PlatformSpeechSynthesisUtterance, WTF::RawPtrTraits<WebCore::PlatformSpeechSynthesisUtterance>, WTF::DefaultRefDerefTraits<WebCore::PlatformSpeechSynthesisUtterance> >)::$_9, void>::call()
14  0x12a59562c WTF::Function<void ()>::operator()() const

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