#0  QPainterPath::elementCount (this=0x0) at painting/qpainterpath.cpp:477
#1  0x00007ffff5cd9349 in WebCore::Path::isEmpty (this=<optimized out>) at platform/graphics/qt/PathQt.cpp:348
#2  0x00007ffff64c3e1a in WebCore::RenderSVGShape::paint (this=0x7fff71ff53e8, paintInfo=...) at rendering/svg/RenderSVGShape.cpp:274
#3  0x00007ffff6740f22 in WebCore::RenderBox::paint (this=this@entry=0x7fff7004ae40, paintInfo=..., paintOffset=...) at rendering/RenderBox.cpp:1047
#4  0x00007ffff64dfd37 in WebCore::RenderSVGRoot::paintReplaced (this=0x7fff7004ae40, paintInfo=..., paintOffset=...) at rendering/svg/RenderSVGRoot.cpp:314
#5  0x00007ffff6814354 in WebCore::RenderReplaced::paint (this=0x7fff7004ae40, paintInfo=..., paintOffset=...) at rendering/RenderReplaced.cpp:158
#6  0x00007ffff67809d1 in WebCore::InlineBox::paint (this=0x7fff5760c2c0, paintInfo=..., paintOffset=...) at rendering/InlineBox.cpp:237
#7  0x00007ffff6830628 in WebCore::InlineFlowBox::paint (this=this@entry=0x7fff5760c2f8, paintInfo=..., paintOffset=..., lineTop=..., lineTop@entry=..., lineBottom=..., lineBottom@entry=...)
    at rendering/InlineFlowBox.cpp:1170
#8  0x00007ffff6830a2c in WebCore::RootInlineBox::paint (this=0x7fff5760c2f8, paintInfo=..., paintOffset=..., lineTop=..., lineBottom=...) at rendering/RootInlineBox.cpp:218
#9  0x00007ffff680bfc3 in WebCore::RenderLineBoxList::paint (this=this@entry=0x7fff71ff50b8, renderer=renderer@entry=0x7fff71ff5020, paintInfo=..., paintOffset=...) at rendering/RenderLineBoxList.cpp:262
#10 0x00007ffff680c27d in WebCore::RenderBlock::paintContents (this=0x7fff71ff5020, paintInfo=..., paintOffset=...) at rendering/RenderBlock.cpp:3177
#11 0x00007ffff681035e in WebCore::RenderBlock::paintObject (this=0x7fff71ff5020, paintInfo=..., paintOffset=...) at rendering/RenderBlock.cpp:3295
#12 0x00007ffff67b9f06 in WebCore::RenderBlock::paint (this=0x7fff71ff5020, paintInfo=..., paintOffset=...) at rendering/RenderBlock.cpp:2990
#13 0x00007ffff675ca12 in WebCore::RenderBlock::paintChild (this=this@entry=0x7fff7004ac18, child=0x7fff71ff5020, paintInfo=..., paintOffset=..., paintInfoForChild=..., usePrintRect=usePrintRect@entry=false)
    at rendering/RenderBlock.cpp:3228
#14 0x00007ffff5c49364 in WebCore::RenderFlexibleBox::paintChildren (this=0x7fff7004ac18, paintInfo=..., paintOffset=..., paintInfoForChild=..., usePrintRect=<optimized out>) at rendering/RenderFlexibleBox.cpp:419
#15 0x00007ffff680c214 in WebCore::RenderBlock::paintContents (this=0x7fff7004ac18, paintInfo=..., paintOffset=...) at rendering/RenderBlock.cpp:3190
#16 0x00007ffff681035e in WebCore::RenderBlock::paintObject (this=0x7fff7004ac18, paintInfo=..., paintOffset=...) at rendering/RenderBlock.cpp:3295
#17 0x00007ffff67b9f06 in WebCore::RenderBlock::paint (this=0x7fff7004ac18, paintInfo=..., paintOffset=...) at rendering/RenderBlock.cpp:2990
#18 0x00007ffff679a890 in WebCore::RenderLayer::paintForegroundForFragmentsWithPhase (this=this@entry=0x7fff7004ad18, phase=phase@entry=WebCore::PaintPhaseForeground, layerFragments=..., context=context@entry=0x7fff56661120, 
    localPaintingInfo=..., paintBehavior=paintBehavior@entry=0, subtreePaintRootForRenderer=0x0) at rendering/RenderLayer.cpp:4234
#19 0x00007ffff67c360f in WebCore::RenderLayer::paintForegroundForFragments (this=0x7fff7004ad18, layerFragments=..., context=0x7fff56661120, transparencyLayerContext=<optimized out>, transparencyPaintDirtyRect=..., 
    haveTransparency=<optimized out>, localPaintingInfo=..., paintBehavior=0, subtreePaintRootForRenderer=0x0, selectionOnly=false, forceBlackText=false) at rendering/RenderLayer.cpp:4210
#20 0x00007ffff6869a77 in WebCore::RenderLayer::paintLayerContents (this=0x7fff7004ad18, context=0x7fff56661120, paintingInfo=..., paintFlags=224) at rendering/RenderLayer.cpp:3941
#21 0x00007ffff6869fe4 in WebCore::RenderLayer::paintLayerContentsAndReflection (this=this@entry=0x7fff7004ad18, context=context@entry=0x7fff56661120, paintingInfo=..., paintFlags=paintFlags@entry=224)
    at rendering/RenderLayer.cpp:3701
#22 0x00007ffff686a790 in WebCore::RenderLayer::paintLayer (this=this@entry=0x7fff7004ad18, context=context@entry=0x7fff56661120, paintingInfo=..., paintFlags=paintFlags@entry=224) at rendering/RenderLayer.cpp:3683
#23 0x00007ffff686b812 in WebCore::RenderLayer::paintList (this=0x7fff71e11278, list=0x7fff56d2dc00, context=0x7fff56661120, paintingInfo=..., paintFlags=224) at rendering/RenderLayer.cpp:4027
#24 0x00007ffff6869dfe in WebCore::RenderLayer::paintLayerContents (this=0x7fff71e11278, context=0x7fff56661120, paintingInfo=..., paintFlags=224) at rendering/RenderLayer.cpp:3952
#25 0x00007ffff5c68606 in WebCore::RenderLayerBacking::paintIntoLayer (this=0x7fff571c7140, graphicsLayer=0x7fff571b6a00, context=0x7fff56661120, paintDirtyRect=..., paintBehavior=0, paintingPhase=<optimized out>)
    at rendering/RenderLayerBacking.cpp:1987
#26 0x00007ffff5c68751 in WebCore::RenderLayerBacking::paintContents (this=0x7fff571c7140, graphicsLayer=0x7fff571b6a00, context=..., paintingPhase=<optimized out>, clip=...) at rendering/RenderLayerBacking.cpp:2032
#27 0x00007ffff5baa90f in WebCore::GraphicsLayer::paintGraphicsLayerContents (this=this@entry=0x7fff571b6a00, context=..., clip=...) at platform/graphics/GraphicsLayer.cpp:324
#28 0x00007ffff5cdd91d in WebCore::BitmapTextureImageBuffer::updateContents (this=<optimized out>, sourceLayer=0x7fff571b6a00, targetRect=..., sourceOffset=...) at platform/graphics/texmap/TextureMapperImageBuffer.cpp:71
#29 0x00007ffff5ce328c in WebCore::TextureMapperTile::updateContents (this=0x7fff85e02400, textureMapper=textureMapper@entry=0x7fff576013c0, sourceLayer=sourceLayer@entry=0x7fff571b6a00, dirtyRect=..., 
    updateContentsFlag=updateContentsFlag@entry=WebCore::BitmapTexture::UpdateCanModifyOriginalImageData) at platform/graphics/texmap/TextureMapperTile.cpp:69
#30 0x00007ffff5ce48d8 in WebCore::TextureMapperTiledBackingStore::updateContents (this=0x7fff5691d508, textureMapper=textureMapper@entry=0x7fff576013c0, sourceLayer=sourceLayer@entry=0x7fff571b6a00, totalSize=..., 
    dirtyRect=..., updateContentsFlag=updateContentsFlag@entry=WebCore::BitmapTexture::UpdateCanModifyOriginalImageData) at platform/graphics/texmap/TextureMapperTiledBackingStore.cpp:152
#31 0x00007ffff5cdb246 in WebCore::GraphicsLayerTextureMapper::updateBackingStoreIfNeeded (this=0x7fff571b6a00) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:622
#32 0x00007ffff5cda11c in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff571b6a00, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:589
#33 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5764ec80, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#34 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57645c80, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#35 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57645280, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#36 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57645500, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#37 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57645a00, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#38 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5764e000, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#39 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57653a00, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#40 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57653c80, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#41 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5764ea00, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#42 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5764e280, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#43 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5764e500, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#44 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5764e780, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#45 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57656c80, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#46 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57656a00, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#47 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57653780, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#48 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57653000, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#49 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57653280, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#50 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57653500, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#51 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5765aa00, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#52 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5765a500, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#53 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff5765a780, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#54 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57656780, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#55 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57656000, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#56 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57656280, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#57 0x00007ffff5cda17b in WebCore::GraphicsLayerTextureMapper::flushCompositingState (this=0x7fff57656500, rect=...) at platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:596
#58 0x00007ffff678a299 in WebCore::RenderLayerCompositor::flushPendingLayerChanges (this=0x7fffe44e1e00, isFlushRoot=isFlushRoot@entry=true) at rendering/RenderLayerCompositor.cpp:396
#59 0x00007ffff5b4c583 in WebCore::FrameView::flushCompositingStateForThisFrame (this=this@entry=0x7fffe44d4a00, rootFrameForFlush=0x7fffe44b9c00) at page/FrameView.cpp:935
#60 0x00007ffff5b4c5c3 in WebCore::FrameView::flushCompositingStateIncludingSubframes (this=0x7fffe44d4a00) at page/FrameView.cpp:1037
#61 0x00007ffff5795e09 in WebCore::TextureMapperLayerClientQt::syncLayers (this=0xe750c0) at qt/WebCoreSupport/TextureMapperLayerClientQt.cpp:90
#62 0x00007ffff5c2d281 in WebCore::ThreadTimers::sharedTimerFiredInternal (this=0x7fffe44850c8) at platform/ThreadTimers.cpp:129
#63 0x00007ffff4a38473 in QObject::event (this=0x905c90, e=<optimized out>) at kernel/qobject.cpp:1267
#64 0x00007ffff789ad8c in QApplicationPrivate::notify_helper (this=0x730ce0, receiver=0x905c90, e=0x7fffffffda60) at kernel/qapplication.cpp:3722
#65 0x00007ffff78a0370 in QApplication::notify (this=0x7fffffffdd20, receiver=0x905c90, e=0x7fffffffda60) at kernel/qapplication.cpp:3505
#66 0x00007ffff4a07a9b in QCoreApplication::notifyInternal (this=0x7fffffffdd20, receiver=0x905c90, event=event@entry=0x7fffffffda60) at kernel/qcoreapplication.cpp:932
#67 0x00007ffff4a5df6d in sendEvent (event=0x7fffffffda60, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#68 QTimerInfoList::activateTimers (this=0x75d330) at kernel/qtimerinfo_unix.cpp:635
#69 0x00007ffff4a5e3b1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#70 0x00007ffff347ba0d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#71 0x00007ffff347bcf8 in ?? () from /usr/lib/libglib-2.0.so.0
#72 0x00007ffff347bdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#73 0x00007ffff4a5f077 in QEventDispatcherGlib::processEvents (this=0x75d870, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#74 0x00007ffff4a05532 in QEventLoop::exec (this=this@entry=0x7fffffffdcb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#75 0x00007ffff4a0cf0c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1185
#76 0x000000000042cd5f in main ()