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    LayoutTests: · 27a28d44
    ddkilzer authored
            Reviewed by David Hyatt.
    
            - tests for http://bugs.webkit.org/show_bug.cgi?id=13563
              REGRESSION: Crash loading message in Yahoo! Mail
    
            * fast/css/stale-style-selector-crash-1-expected.txt: Added.
            * fast/css/stale-style-selector-crash-1.html: Added.
            * fast/css/stale-style-selector-crash-2-expected.txt: Added.
            * fast/css/stale-style-selector-crash-2.html: Added.
    
    WebCore:
    
            Reviewed by David Hyatt.
    
            - fix http://bugs.webkit.org/show_bug.cgi?id=13563
              REGRESSION: Crash loading message in Yahoo! Mail
    
            Tests: fast/css/stale-style-selector-crash-1.html
                   fast/css/stale-style-selector-crash-2.html
    
            * dom/Document.cpp:
            (WebCore::Document::Document): Initialize the m_didCalculateStyleSelector
            flag to 'false'.
            (WebCore::Document::updateStyleSelector): Do not bail out if we have ever
            calculated a non-trivial style selector, even if at the moment we are
            pending style sheets. We could have calculated a non-trivial selector
            already either because at some point there were no pending style sheets
            (so the currently pending ones were added dynamically) or because we were
            forced to do a layout ignoring pending style sheets. Either way, once
            there is a style selector, we need to keep it up to date, otherwise we can
            crash under recalcStyle() during updateRendering() or simply not recalculate
            style correctly for dynamic changes.
            (WebCore::Document::recalcStyleSelector): Set m_didCalculateStyleSelector
            to 'true' when creating a new style selector.
            * dom/Document.h:
    
    
    
    git-svn-id: http://svn.webkit.org/repository/webkit/trunk@21690 268f45cc-cd09-0410-ab3c-d52691b4dbfc
    27a28d44