[Webkit-unassigned] [Bug 92187] New: ASSERTION FAILED: !rect.isEmpty() : void WebCore::GraphicsContext::drawRect(const WebCore::IntRect &)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92187

           Summary: ASSERTION FAILED: !rect.isEmpty()  : void
                    WebCore::GraphicsContext::drawRect(const
                    WebCore::IntRect &)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://www.yahoo.com
        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


r123549

Reproducibility: always

Steps:
http://www.yahoo.com

What happened:
ASSERTION FAILED: !rect.isEmpty()
/Users/rex/WebKit/Source/WebCore/platform/graphics/cg/GraphicsContextCG.cpp(381) : void WebCore::GraphicsContext::drawRect(const WebCore::IntRect &)
1   0x1069a9350 WebCore::GraphicsContext::drawRect(WebCore::IntRect const&)
2   0x10750f722 WebCore::RenderObject::drawLineForBoxSide(WebCore::GraphicsContext*, int, int, int, int, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, int, int, bool)
3   0x1074355ca WebCore::RenderBoxModelObject::paintOneBorderSide(WebCore::GraphicsContext*, WebCore::RenderStyle const*, WebCore::RoundedRect const&, WebCore::RoundedRect const&, WebCore::IntRect const&, WebCore::BoxSide, WebCore::BoxSide, WebCore::BoxSide, WebCore::BorderEdge const*, WebCore::Path const*, WebCore::BackgroundBleedAvoidance, bool, bool, bool, WebCore::Color const*)
4   0x1074379a4 WebCore::RenderBoxModelObject::paintBorderSides(WebCore::GraphicsContext*, WebCore::RenderStyle const*, WebCore::RoundedRect const&, WebCore::RoundedRect const&, WebCore::BorderEdge const*, unsigned int, WebCore::BackgroundBleedAvoidance, bool, bool, bool, WebCore::Color const*)
5   0x107438d49 WebCore::RenderBoxModelObject::paintBorder(WebCore::PaintInfo const&, WebCore::FractionalLayoutRect const&, WebCore::RenderStyle const*, WebCore::BackgroundBleedAvoidance, bool, bool)
6   0x107410a4b WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&)
7   0x1073ac699 WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&)
8   0x1073a9c93 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&)
9   0x1073ac118 WebCore::RenderBlock::paintChild(WebCore::RenderBox*, WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&, WebCore::PaintInfo&, bool)
10  0x1073abd97 WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&, WebCore::PaintInfo&, bool)
11  0x1073abd1a WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&)
12  0x1073ac8a4 WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&)
13  0x1073a9c93 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::FractionalLayoutPoint const&)
14  0x1074ac349 WebCore::RenderLayer::paintLayerContents(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
15  0x1074ab957 WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
16  0x1074aafe8 WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
17  0x1074ad348 WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul>*, WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
18  0x1074ac659 WebCore::RenderLayer::paintLayerContents(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
19  0x1074ab957 WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
20  0x1074aafe8 WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
21  0x1074ad348 WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul>*, WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
22  0x1074ac659 WebCore::RenderLayer::paintLayerContents(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::FractionalLayoutRect const&, unsigned int, WebCore::RenderObject*, WebCore::RenderRegion*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int)
23  0x1074c8bca WebCore::RenderLayerBacking::paintIntoLayer(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::GraphicsLayerPaintingPhase, WebCore::RenderObject*)
24  0x1074c8e84 WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, WebCore::IntRect const&)
25  0x1069b5420 WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::IntRect const&)
26  0x1069bd8a0 WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::GraphicsContext&, WebCore::IntRect const&)
27  0x1069bd8e7 non-virtual thunk to WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::GraphicsContext&, WebCore::IntRect const&)
28  0x107a6acb7 __drawLayerContents_block_invoke_0
29  0x1048cb24b WKCALayerEnumerateRectsBeingDrawnWithBlock
30  0x107a6a54c drawLayerContents(CGContext*, CALayer*, WebCore::PlatformCALayer*)
31  0x1079c9e4b WebCore::TileCache::drawLayer(WebTileLayer*, CGContext*)

Expected result:
No assert failure.

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