[Webkit-unassigned] [Bug 92561] New: ASSERTION FAILED: m_column != unsetColumnIndex : unsigned int WebCore::RenderTableCell::col() const

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92561

           Summary: ASSERTION FAILED: m_column != unsetColumnIndex :
                    unsigned int WebCore::RenderTableCell::col() const
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://demo.pmease.com/dashboard
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rex_4539 at yahoo.com


r123837

Reproducibility: always

Steps:
Go to http://demo.pmease.com/dashboard and click on the + button next to "Maintenance" project to expand the option.

What happened:
ASSERTION FAILED: m_column != unsetColumnIndex
/Users/rex/WebKit/Source/WebCore/rendering/RenderTableCell.h(62) : unsigned int WebCore::RenderTableCell::col() const
1   0x1093a8134 WebCore::RenderTableCell::col() const
2   0x10a6f10f6 WebCore::RenderTableCell::computeCollapsedStartBorder(WebCore::IncludeBorderColorOrNot) const
3   0x10a6f106a WebCore::RenderTableCell::collapsedStartBorder(WebCore::IncludeBorderColorOrNot) const
4   0x10a6f3881 WebCore::RenderTableCell::borderHalfStart(bool) const
5   0x10a6f0872 WebCore::RenderTableCell::borderHalfLeft(bool) const
6   0x10a6f36ac WebCore::RenderTableCell::borderLeft() const
7   0x10a5382df WebCore::RenderBox::clientWidth() const
8   0x10981ee5b WebCore::RenderBox::contentWidth() const
9   0x10a4c055c WebCore::RenderBox::contentLogicalWidth() const
10  0x10a4c03bc WebCore::RenderBox::availableLogicalWidth() const
11  0x10a4e20e9 WebCore::RenderBlock::availableLogicalWidth() const
12  0x10a53df13 WebCore::RenderBox::containingBlockLogicalWidthForContent() const
13  0x10a53df7e WebCore::RenderBox::containingBlockLogicalWidthForContentInRegion(WebCore::RenderRegion*, WebCore::FractionalLayoutUnit) const
14  0x10a540a2b WebCore::RenderBox::computeLogicalWidthInRegion(WebCore::RenderRegion*, WebCore::FractionalLayoutUnit)
15  0x10a54062c WebCore::RenderBox::computeLogicalWidth()
16  0x10a5b5e5b WebCore::RenderImage::imageDimensionsChanged(bool, WebCore::IntRect const*)
17  0x10a5b6421 WebCore::RenderImage::imageChanged(void*, WebCore::IntRect const*)
18  0x10a6448a5 WebCore::RenderObject::imageChanged(WebCore::CachedImage*, WebCore::IntRect const*)
19  0x1094cf592 WebCore::CachedImage::didAddClient(WebCore::CachedResourceClient*)
20  0x1094d6230 WebCore::CachedResource::addClient(WebCore::CachedResourceClient*)
21  0x10a5b91ee WebCore::RenderImageResource::setCachedImage(WebCore::CachedImage*)
22  0x109c5d68a WebCore::ImageLoader::updateRenderer()
23  0x109c5d4e4 WebCore::ImageLoader::dispatchPendingBeforeLoadEvent()
24  0x109c5db43 WebCore::ImageLoader::dispatchPendingEvent(WebCore::EventSender<WebCore::ImageLoader>*)
25  0x109c5e24c WebCore::EventSender<WebCore::ImageLoader>::dispatchPendingEvents()
26  0x109c5f2c9 WebCore::EventSender<WebCore::ImageLoader>::timerFired(WebCore::Timer<WebCore::EventSender<WebCore::ImageLoader> >*)
27  0x109c5f4b3 WebCore::Timer<WebCore::EventSender<WebCore::ImageLoader> >::fired()
28  0x10aaf4bbd WebCore::ThreadTimers::sharedTimerFiredInternal()
29  0x10aaf4959 WebCore::ThreadTimers::sharedTimerFired()
30  0x10a844a33 WebCore::timerFired(__CFRunLoopTimer*, void*)
31  0x7fff937664b4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__

Expected result:
No assert failure.

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