[Webkit-unassigned] [Bug 140519] New: [Win] Failure in 'fast/flexbox/flexing-overflow-scroll-item.html'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=140519

            Bug ID: 140519
           Summary: [Win] Failure in
                    'fast/flexbox/flexing-overflow-scroll-item.html'
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

A debug assertion is being hit in 'fast/flexbox/flexing-overflow-scroll-item.html'.

NoEventDispatchAssertion is asserting because the s_count value is zero.

The stack trace is as follows:

     WTF.dll!WTFCrash() Line 321    C++
>	WebKit.dll!WebCore::NoEventDispatchAssertion::~NoEventDispatchAssertion() Line 63	C++
     [External Code]    
     WebKit.dll!WTF::deleteOwnedPtr<WebCore::NoEventDispatchAssertion>(WebCore::NoEventDispatchAssertion * ptr) Line 37    C++
     WebKit.dll!WTF::OwnPtr<WebCore::NoEventDispatchAssertion>::clear() Line 116    C++
     WebKit.dll!WTF::OwnPtr<WebCore::NoEventDispatchAssertion>::operator=(void * __formal) Line 68    C++
     WebKit.dll!WebCore::ElementIteratorAssertions::dropEventDispatchAssertion() Line 68    C++
     WebKit.dll!WebCore::ElementIterator<WebCore::Element>::traverseNext() Line 123    C++
     WebKit.dll!WebCore::TypedElementDescendantIterator<WebCore::Element>::operator++() Line 102    C++
     WebKit.dll!WebCore::DocumentOrderedMap::getAllElementsById(const WTF::AtomicStringImpl & key, const WebCore::TreeScope & scope) Line 193    C++
     WebKit.dll!WebCore::TreeScope::getAllElementsById(const WTF::AtomicString & elementId) Line 128    C++
     WebKit.dll!WebCore::SelectorDataList::executeFastPathForIdSelector<WebCore::AllElementExtractorSelectorQueryTrait>(const WebCore::ContainerNode & rootNode, const WebCore::SelectorDataList::SelectorData & selectorData, const WebCore::CSSSelector * idSelector, WTF::Vector<WTF::Ref<WebCore::Element>,0,WTF::CrashOnOverflow> & output) Line 221    C++
     WebKit.dll!WebCore::SelectorDataList::execute<WebCore::AllElementExtractorSelectorQueryTrait>(WebCore::ContainerNode & rootNode, WTF::Vector<WTF::Ref<WebCore::Element>,0,WTF::CrashOnOverflow> & output) Line 481    C++
     WebKit.dll!WebCore::SelectorDataList::queryAll(WebCore::ContainerNode & rootNode) Line 170    C++
     WebKit.dll!WebCore::SelectorQuery::queryAll(WebCore::ContainerNode & rootNode) Line 152    C++
     WebKit.dll!WebCore::ContainerNode::querySelectorAll(const WTF::String & selectors, int & ec) Line 873    C++
     WebKit.dll!WebCore::jsDocumentPrototypeFunctionQuerySelectorAll(JSC::ExecState * exec) Line 4767    C++
     [External Code]    
     [Frames below may be incorrect and/or missing]    
     JavaScriptCore.dll!llint_entry() Line 7211    Unknown
     [External Code]    
     JavaScriptCore.dll!vmEntryToJavaScript() Line 109    Unknown
     JavaScriptCore.dll!JSC::JITCode::execute(JSC::VM * vm, JSC::ProtoCallFrame * protoCallFrame) Line 77    C++
     JavaScriptCore.dll!JSC::Interpreter::execute(JSC::ProgramExecutable * program, JSC::ExecState * callFrame, JSC::JSObject * thisObj) Line 914    C++
     JavaScriptCore.dll!JSC::evaluate(JSC::ExecState * exec, const JSC::SourceCode & source, JSC::JSValue thisValue, JSC::JSValue * returnedException) Line 83    C++
     WebKit.dll!WebCore::JSMainThreadExecState::evaluate(JSC::ExecState * exec, const JSC::SourceCode & source, JSC::JSValue thisValue, JSC::JSValue * exception) Line 62    C++
     WebKit.dll!WebCore::ScriptController::evaluateInWorld(const WebCore::ScriptSourceCode & sourceCode, WebCore::DOMWrapperWorld & world) Line 150    C++
     WebKit.dll!WebCore::ScriptController::evaluate(const WebCore::ScriptSourceCode & sourceCode) Line 166    C++
     WebKit.dll!WebCore::ScriptElement::executeScript(const WebCore::ScriptSourceCode & sourceCode) Line 301    C++
     WebKit.dll!WebCore::ScriptElement::prepareScript(const WTF::TextPosition & scriptStartPosition, WebCore::ScriptElement::LegacyTypeSupport supportLegacyTypes) Line 237    C++
     WebKit.dll!WebCore::HTMLScriptRunner::runScript(WebCore::Element * script, const WTF::TextPosition & scriptStartPosition) Line 304    C++
     WebKit.dll!WebCore::HTMLScriptRunner::execute(WTF::PassRefPtr<WebCore::Element> scriptElement, const WTF::TextPosition & scriptStartPosition) Line 177    C++
     WebKit.dll!WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder() Line 197    C++
     WebKit.dll!WebCore::HTMLDocumentParser::canTakeNextToken(WebCore::HTMLDocumentParser::SynchronousMode mode, WebCore::PumpSession & session) Line 214    C++
     WebKit.dll!WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode mode) Line 259    C++
     WebKit.dll!WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode mode) Line 167    C++
     WebKit.dll!WebCore::HTMLDocumentParser::resumeParsingAfterScriptExecution() Line 492    C++
     WebKit.dll!WebCore::HTMLDocumentParser::notifyFinished(WebCore::CachedResource * cachedResource) Line 532    C++
     WebKit.dll!WebCore::CachedResource::checkNotify() Line 294    C++
     WebKit.dll!WebCore::CachedResource::finishLoading(WebCore::SharedBuffer * __formal) Line 311    C++
     WebKit.dll!WebCore::CachedScript::finishLoading(WebCore::SharedBuffer * data) Line 87    C++
     WebKit.dll!WebCore::SubresourceLoader::didFinishLoading(double finishTime) Line 357    C++
     WebKit.dll!WebCore::ResourceLoader::didFinishLoading(WebCore::ResourceHandle * __formal, double finishTime) Line 503    C++
     WebKit.dll!WebCore::SynchronousResourceHandleCFURLConnectionDelegate::didFinishLoading() Line 181    C++
     WebKit.dll!WebCore::ResourceHandleCFURLConnectionDelegate::didFinishLoadingCallback(_CFURLConnection * __formal, const void * clientInfo) Line 88    C++
     CFNetwork.dll!URLConnectionClient::_clientDidFinishLoading(URLConnectionClient::ClientConnectionEventQueue * preQ) Line 1739    C++
     CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e, long count) Line 2256    C++
     CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e, long count) Line 2328    C++
     CFNetwork.dll!XConnectionEventQueue<enum XClientEvent,XClientEventParams>::processAllEvents() Line 231    C++
     CFNetwork.dll!URLConnectionClient::processEvents() Line 362    C++
     CFNetwork.dll!MultiplexerSource::perform() Line 229    C++
     CoreFoundation.dll!__CFRunLoopDoSources0(__CFRunLoop * rl, __CFRunLoopMode * rlm, unsigned char stopAfterHandle) Line 41844    C++
     CoreFoundation.dll!__CFRunLoopRun(__CFRunLoop * rl, __CFRunLoopMode * rlm, double seconds, unsigned char stopAfterHandle, __CFRunLoopMode * previousMode) Line 42281    C++
     CoreFoundation.dll!CFRunLoopRunSpecific(__CFRunLoop * rl, const __CFString * modeName, double seconds, unsigned char returnAfterSourceHandled) Line 42477    C++
     CoreFoundation.dll!CFRunLoopRunInMode(const __CFString * modeName, double seconds, unsigned char returnAfterSourceHandled) Line 42511    C++
     DumpRenderTree.dll!runTest(const std::basic_string<char,std::char_traits<char>,std::allocator<char> > & inputLine) Line 1120    C++
     DumpRenderTree.dll!main(int argc, const char * * argv) Line 1476    C++
     DumpRenderTree.dll!dllLauncherEntryPoint(int argc, const char * * argv) Line 1506    C++
     DumpRenderTree.exe!main(int argc, const char * * argv) Line 239    C++
     [External Code]

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