[Webkit-unassigned] [Bug 79333] New: REGRESSION: Assertion failure in Document::setCompatibilityMode() (!m_styleSheets->length()) in fast/dynamic/crash-paint-no-documentElement-renderer.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79333

           Summary: REGRESSION: Assertion failure in
                    Document::setCompatibilityMode()
                    (!m_styleSheets->length()) in
                    fast/dynamic/crash-paint-no-documentElement-renderer.h
                    tml
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: InRadar, LayoutTestFailure, Regression
          Severity: Normal
          Priority: P1
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org
                CC: koivisto at iki.fi, kling at webkit.org


<rdar://problem/10598598>

To reproduce: DumpRenderTree LayoutTests/fast/dynamic/crash-paint-no-documentElement-renderer.html

Result:
ASSERTION FAILED: !m_styleSheets->length()
/Projects/Safari/OpenSource/Source/WebCore/dom/Document.cpp(699) : void WebCore::Document::setCompatibilityMode(WebCore::Document::CompatibilityMode)
1   0x1026f3f45 WebCore::Document::setCompatibilityMode(WebCore::Document::CompatibilityMode)
2   0x102b7b370 WebCore::HTMLTreeBuilder::defaultForInitial()
3   0x102b7603f WebCore::HTMLTreeBuilder::processEndOfFile(WebCore::AtomicHTMLToken&)
4   0x102b71ff0 WebCore::HTMLTreeBuilder::processToken(WebCore::AtomicHTMLToken&)
5   0x102b7135b WebCore::HTMLTreeBuilder::constructTreeFromAtomicToken(WebCore::AtomicHTMLToken&)
6   0x102b7126c WebCore::HTMLTreeBuilder::constructTreeFromToken(WebCore::HTMLToken&)
7   0x102abd39c WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode)
8   0x102abce55 WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode)
9   0x102abccf4 WebCore::HTMLDocumentParser::prepareToStopParsing()
10  0x102abdf13 WebCore::HTMLDocumentParser::attemptToEnd()
11  0x102abdf68 WebCore::HTMLDocumentParser::finish()
12  0x1026fbc64 WebCore::Document::explicitClose()
13  0x1026f6eea WebCore::Document::close()
14  0x102ea53e5 WebCore::jsHTMLDocumentPrototypeFunctionClose(JSC::ExecState*)
[…]

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