Bug 255686

ASSERTION FAILED: areEssentiallyEqual(rendererMappedResult, result) Source/WebCore/rendering/RenderGeometryMap.cpp(118) : FloatPoint WebCore::RenderGeometryMap::mapToContainer(const FloatPoint &, const RenderLayerModelObject *) const 1 0x280007e0c WTFCrash 2 0x2be8d3b18 WTFCrashWithInfo(int, char const*, char const*, int) 3 0x2cbcbdcd4 WebCore::RenderGeometryMap::mapToContainer(WebCore::FloatPoint const&, WebCore::RenderLayerModelObject const*) const 4 0x2cbd4ed94 WebCore::RenderGeometryMap::absolutePoint(WebCore::FloatPoint const&) const 5 0x2cbd4a754 WebCore::RenderLayer::recursiveUpdateLayerPositions(WebCore::RenderGeometryMap*, WTF::OptionSet<WebCore::RenderLayer::UpdateLayerPositionsFlag>) 6 0x2cbd4bc7c WebCore::RenderLayer::recursiveUpdateLayerPositions(WebCore::RenderGeometryMap*, WTF::OptionSet<WebCore::RenderLayer::UpdateLayerPositionsFlag>) 7 0x2cbd4bc7c WebCore::RenderLayer::recursiveUpdateLayerPositions(WebCore::RenderGeometryMap*, WTF::OptionSet<WebCore::RenderLayer::UpdateLayerPositionsFlag>) 8 0x2cbd4bc7c WebCore::RenderLayer::recursiveUpdateLayerPositions(WebCore::RenderGeometryMap*, WTF::OptionSet<WebCore::RenderLayer::UpdateLayerPositionsFlag>) 9 0x2cbd4bc7c WebCore::RenderLayer::recursiveUpdateLayerPositions(WebCore::RenderGeometryMap*, WTF::OptionSet<WebCore::RenderLayer::UpdateLayerPositionsFlag>) 10 0x2cbd4bc7c WebCore::RenderLayer::recursiveUpdateLayerPositions(WebCore::RenderGeometryMap*, WTF::OptionSet<WebCore::RenderLayer::UpdateLayerPositionsFlag>) 11 0x2cbd4bc7c WebCore::RenderLayer::recursiveUpdateLayerPositions(WebCore::RenderGeometryMap*, WTF::OptionSet<WebCore::RenderLayer::UpdateLayerPositionsFlag>) 12 0x2cbd4c5b0 WebCore::RenderLayer::updateLayerPositionsAfterLayout(bool, bool) 13 0x2c9b67640 WebCore::LocalFrameView::didLayout(WTF::WeakPtr<WebCore::RenderElement, WTF::DefaultWeakPtrImpl>) 14 0x2c9bc864c WebCore::LocalFrameViewLayoutContext::performLayout() 15 0x2c9b4b618 WebCore::LocalFrameViewLayoutContext::layout() 16 0x2c7492f40 WebCore::Document::implicitClose() 17 0x2c953d300 WebCore::FrameLoader::checkCallImplicitClose() 18 0x2c953c17c WebCore::FrameLoader::checkCompleted() 19 0x2c953663c WebCore::FrameLoader::finishedParsing() 20 0x2c74d0bbc WebCore::Document::finishedParsing() 21 0x2c87bc634 WebCore::HTMLConstructionSite::finishedParsing() 22 0x2c888e1e8 WebCore::HTMLTreeBuilder::finished() 23 0x2c87cd640 WebCore::HTMLDocumentParser::end() 24 0x2c87c9058 WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() 25 0x2c87c8ce8 WebCore::HTMLDocumentParser::prepareToStopParsing() 26 0x2c87cd794 WebCore::HTMLDocumentParser::attemptToEnd() 27 0x2c87cd86c WebCore::HTMLDocumentParser::finish() 28 0x2c9435968 WebCore::DocumentWriter::end() 29 0x2c9433824 WebCore::DocumentLoader::finishedLoading() 30 0x2c9432cbc WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&, WebCore::NetworkLoadMetrics const&) 31 0x2c986efa8 WebCore::CachedResource::checkNotify(WebCore::NetworkLoadMetrics const&)