[Webkit-unassigned] [Bug 108603] ASSERT(m_transparencyCount > 0) in GraphicsContext

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=108603





--- Comment #3 from Renata Hodovan <reni at webkit.org>  2013-02-01 02:57:32 PST ---
According to the backtrace it comes from the destructor of GraphicsContext:

#0  0x00007ffff5425878 in WebCore::GraphicsContext::endTransparencyLayer (this=0x7fffffffba10)
    at /home/reni/repos/webkit2/Source/WebCore/platform/graphics/GraphicsContext.cpp:356
#1  0x00007ffff57bf629 in WebCore::GraphicsContext::platformDestroy (this=0x7fffffffba10)
    at /home/reni/repos/webkit2/Source/WebCore/platform/graphics/qt/GraphicsContextQt.cpp:324
#2  0x00007ffff5424b85 in WebCore::GraphicsContext::~GraphicsContext (this=0x7fffffffba10, __in_chrg=<optimized out>)
    at /home/reni/repos/webkit2/Source/WebCore/platform/graphics/GraphicsContext.cpp:92
#3  0x00007ffff7915a04 in QWebFrameAdapter::renderRelativeCoords (this=0x716d90, painter=0x7fffffffbc20, layers=255, clip=...)
    at /home/reni/repos/webkit2/Source/WebKit/qt/WebCoreSupport/QWebFrameAdapter.cpp:546
#4  0x00007ffff7ba973a in QWebFrame::render (this=0x710760, painter=0x7fffffffbc20, layer=..., clip=...)
    at /home/reni/repos/webkit2/Source/WebKit/qt/WidgetApi/qwebframe.cpp:643
#5  0x00007ffff7ba980a in QWebFrame::render (this=0x710760, painter=0x7fffffffbc20, clip=...)
    at /home/reni/repos/webkit2/Source/WebKit/qt/WidgetApi/qwebframe.cpp:653

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