[Webkit-unassigned] [Bug 214855] New: [ Mojave debug wk1 ] imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-addtrack-kind.html is a pre-existing flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=214855

            Bug ID: 214855
           Summary: [ Mojave debug wk1 ]
                    imported/w3c/web-platform-tests/html/semantics/embedde
                    d-content/media-elements/track/track-element/track-add
                    track-kind.html is a pre-existing flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-addtrack-kind.html

This is a pre-existing flaky failure only on ews.  This particular instance was a crash.

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fsemantics%2Fembedded-content%2Fmedia-elements%2Ftrack%2Ftrack-element%2Ftrack-addtrack-kind.html&flavor=wk1&style=debug&platform=mac&limit=50000

Crash Log:
No crash log found for DumpRenderTree:30469.

stdout:

stderr:
ASSERTION FAILED: m_wrapper
./bindings/js/JSEventListener.h(125) : JSC::JSObject *WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext &) const
1   0x1096ecfb9 WTFCrash
2   0x11d49ba3b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x11fb5ce59 WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext&) const
4   0x11fb5c16b WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&)
5   0x12025f21b WebCore::EventTarget::innerInvokeEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener, WTF::DumbPtrTraits<WebCore::RegisteredEventListener> >, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>, WebCore::EventTarget::EventInvokePhase)

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