[Webkit-unassigned] [Bug 140871] New: [Win] Layout Tests failures due to cached page document not matching main frame document

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=140871

            Bug ID: 140871
           Summary: [Win] Layout Tests failures due to cached page
                    document not matching main frame document
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

The following layout test fails on Windows:

fast/loader/non-deferred-substitute-load.html

Probable cause:

An assertion is firing:

    ASSERT(cachedPage->document() == m_frame.document());

The stack trace looks like:

     WTF.dll!WTFCrash() Line 321    C++
>	WebKit.dll!WebCore::HistoryController::invalidateCurrentItemCachedPage() Line 248	C++
     WebKit.dll!WebCore::FrameLoader::receivedMainResourceError(const WebCore::ResourceError & error) Line 2726    C++
     WebKit.dll!WebCore::DocumentLoader::mainReceivedError(const WebCore::ResourceError & error) Line 267    C++
     WebKit.dll!WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource * resource) Line 384    C++
     WebKit.dll!WebCore::CachedResource::checkNotify() Line 296    C++
     WebKit.dll!WebCore::CachedResource::cancelLoad() Line 333    C++
     WebKit.dll!WebCore::SubresourceLoader::didCancel(const WebCore::ResourceError & __formal) Line 432    C++
     WebKit.dll!WebCore::ResourceLoader::cancel(const WebCore::ResourceError & error) Line 449    C++
     WebKit.dll!WebCore::DocumentLoader::cancelMainResourceLoad(const WebCore::ResourceError & resourceError) Line 1484    C++
     WebKit.dll!WebCore::DocumentLoader::stopLoading() Line 328    C++
     WebKit.dll!WebCore::FrameLoader::stopAllLoaders(WebCore::ClearProvisionalItemPolicy clearProvisionalItemPolicy) Line 1616    C++
     WebKit.dll!WebFrame::stopLoading() Line 709    C++
     DumpRenderTree.dll!runTest(const std::basic_string<char,std::char_traits<char>,std::allocator<char> > & inputLine) Line 1179    C++
     DumpRenderTree.dll!main(int argc, const char * * argv) Line 1484    C++
     DumpRenderTree.dll!dllLauncherEntryPoint(int argc, const char * * argv) Line 1514    C++
     DumpRenderTree.exe!main(int argc, const char * * argv) Line 239    C++
     [External Code]

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