[Webkit-unassigned] [Bug 106414] New: Assert triggered in SelectorChecker::checkOneSelector when we specify :horizontal selector.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106414

           Summary: Assert triggered in SelectorChecker::checkOneSelector
                    when we specify :horizontal selector.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: shinyak at chromium.org


Maybe it will be triggered when we specify any scrollbar related selectors.

SHOULD NEVER BE REACHED
../../third_party/WebKit/Source/WebCore/css/SelectorChecker.cpp(951) : bool WebCore::SelectorChecker::checkOneSelector(const WebCore::SelectorChecker::SelectorCheckingContext&, const SiblingTraversalStrategy&) const [with SiblingTraversalStrategy = WebCore::DOMSiblingTraversalStrategy]
1   0xcf91ba
2   0xcf4026
3   0xbadd7a
4   0xb937c3
5   0xb92b54
6   0xb93456
7   0xb93b93
8   0xb96378
9   0x10c20e7
10  0x1111487
11  0x10c1959
12  0x10c19b2
13  0xea5381
14  0xea55c5
15  0xe40e3f
16  0xe40c61
17  0xe28b5b
18  0xe285ac
19  0xe2916e
20  0x10673b9
21  0x90ddef
22  0x8fa366
23  0x92d5f2
24  0x92d75b
25  0x957eaa
26  0x957f08
27  0x9554b1
28  0x93e7ca
29  0x9395b1
30  0x1a87d4a
31  0x20a557e
Received signal 11
    base::debug::StackTrace::StackTrace() [0x5c76f4]
    base::debug::(anonymous namespace)::StackDumpSignalHandler() [0x5c73f5]
    <unknown> [0x7f1d324d44a0]
    WebCore::SelectorChecker::checkOneSelector<>() [0xcf91c4]
    WebCore::SelectorChecker::checkSelector() [0xcf4026]
    WebCore::StyleResolver::checkSelector() [0xbadd7a]
    WebCore::StyleResolver::collectMatchingRulesForList() [0xb937c3]
    WebCore::StyleResolver::collectMatchingRules() [0xb92b54]
    WebCore::StyleResolver::matchAuthorRules() [0xb93456]
    WebCore::StyleResolver::matchAllRules() [0xb93b93]
    WebCore::StyleResolver::styleForElement() [0xb96378]
    WebCore::Element::styleForRenderer() [0x10c20e7]
    WebCore::NodeRenderingContext::createRendererForElementIfNeeded() [0x1111487]
    WebCore::Element::createRendererIfNeeded() [0x10c1959]
    WebCore::Element::attach() [0x10c19b2]
    WebCore::executeTask() [0xea5381]
    WebCore::HTMLConstructionSite::executeQueuedTasks() [0xea55c5]
    WebCore::HTMLTreeBuilder::constructTreeFromAtomicToken() [0xe40e3f]
    WebCore::HTMLTreeBuilder::constructTreeFromToken() [0xe40c61]
    WebCore::HTMLDocumentParser::pumpTokenizer() [0xe28b5b]
    WebCore::HTMLDocumentParser::pumpTokenizerIfPossible() [0xe285ac]
    WebCore::HTMLDocumentParser::append() [0xe2916e]
    WebCore::DecodedDataDocumentParser::flush() [0x10673b9]
    WebCore::DocumentWriter::end() [0x90ddef]
    WebCore::DocumentLoader::finishedLoading() [0x8fa366]
    WebCore::MainResourceLoader::didFinishLoading() [0x92d5f2]
    WebCore::MainResourceLoader::notifyFinished() [0x92d75b]
    WebCore::CachedResource::checkNotify() [0x957eaa]
    WebCore::CachedResource::data() [0x957f08]
    WebCore::CachedRawResource::data() [0x9554b1]
    WebCore::SubresourceLoader::didFinishLoading() [0x93e7ca]
    WebCore::ResourceLoader::didFinishLoading() [0x9395b1]
    WebCore::ResourceHandleInternal::didFinishLoading() [0x1a87d4a]
    webkit_glue::WebURLLoaderImpl::Context::OnCompletedRequest() [0x20a557e]
    (anonymous namespace)::RequestProxy::NotifyCompletedRequest() [0x28870ca]
    base::internal::RunnableAdapter<>::Run() [0x288e1a8]
    base::internal::InvokeHelper<>::MakeItSo() [0x288da8d]
    base::internal::Invoker<>::Run() [0x288d1da]
    base::Callback<>::Run() [0x5c09ad]
    MessageLoop::RunTask() [0x24e531b]
    MessageLoop::DeferOrRunPendingTask() [0x24e5436]
    MessageLoop::DoWork() [0x24e5ca3]
    base::MessagePumpGlib::HandleDispatch() [0x2518bb9]
    (anonymous namespace)::WorkSourceDispatch() [0x25184e3]
    <unknown> [0x7f1d355cdd53]
    <unknown> [0x7f1d355ce0a0]
    <unknown> [0x7f1d355ce164]
    base::MessagePumpGlib::RunWithDispatcher() [0x2518868]
    base::MessagePumpGlib::Run() [0x2518c96]
    MessageLoop::RunInternal() [0x24e4f1f]
    MessageLoop::RunHandler() [0x24e4dd6]
    base::RunLoop::Run() [0x2504504]
    MessageLoop::Run() [0x24e470a]
    webkit_support::RunMessageLoop() [0x17e7012]
    TestShell::waitTestFinished() [0x44c079]
    TestShell::runFileTest() [0x44367a]
    runTest() [0x41f53c]
    main [0x42016b]
    <unknown> [0x7f1d324bf76d]
    <unknown> [0x41dd49]

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