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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - ASSERTION FAILED: roundedIntPoint(rendererMappedResult) == roundedIntPoint(result)"
   href="https://bugs.webkit.org/show_bug.cgi?id=153576">153576</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ASSERTION FAILED: roundedIntPoint(rendererMappedResult) == roundedIntPoint(result)
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Layout and Rendering
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>Hironori.Fujii&#64;jp.sony.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>simon.fraser&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=270075" name="attach_270075" title="test content">attachment 270075</a> <a href="attachment.cgi?id=270075&amp;action=edit" title="test content">[details]</a></span>
test content

ASSERTION FAILED: roundedIntPoint(rendererMappedResult) == roundedIntPoint(result)

trunk&#64;195653, MiniBrowser, Gtk port, Debug build.

<span class="quote">&gt; fujii&#64;vm-ubuntu $ ./Tools/Scripts/run-minibrowser --gtk ~/tmp/a.html
&gt; Starting MiniBrowser.
&gt; 
&gt; (MiniBrowser:7957): GLib-GObject-WARNING **: The property GtkToolButton:stock-id is deprecated and shouldn't be used anymore. It will be removed in a future version.
&gt; ASSERTION FAILED: roundedIntPoint(rendererMappedResult) == roundedIntPoint(result)
&gt; ../../Source/WebCore/rendering/RenderGeometryMap.cpp(118) : WebCore::FloatPoint WebCore::RenderGeometryMap::mapToContainer(const WebCore::FloatPoint&amp;, const WebCore::RenderLayerModelObject*) const
&gt; 1   0x7fa703f110e1 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(WTFCrash+0x1e) [0x7fa703f110e1]
&gt; 2   0x7fa70da25b39 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZNK7WebCore17RenderGeometryMap14mapToContainerERKNS_10FloatPointEPKNS_22RenderLayerModelObjectE+0x223) [0x7fa70da25b39]
&gt; 3   0x7fa70da78624 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZNK7WebCore17RenderGeometryMap13absolutePointERKNS_10FloatPointE+0x28) [0x7fa70da78624]
&gt; 4   0x7fa70da57a66 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore11RenderLayer20updateLayerPositionsEPNS_17RenderGeometryMapEj+0xda) [0x7fa70da57a66]
&gt; 5   0x7fa70da57f4f /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore11RenderLayer20updateLayerPositionsEPNS_17RenderGeometryMapEj+0x5c3) [0x7fa70da57f4f]
&gt; 6   0x7fa70da57f4f /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore11RenderLayer20updateLayerPositionsEPNS_17RenderGeometryMapEj+0x5c3) [0x7fa70da57f4f]
&gt; 7   0x7fa70da57f4f /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore11RenderLayer20updateLayerPositionsEPNS_17RenderGeometryMapEj+0x5c3) [0x7fa70da57f4f]
&gt; 8   0x7fa70da5793f /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore11RenderLayer31updateLayerPositionsAfterLayoutEPKS0_j+0x9d) [0x7fa70da5793f]
&gt; 9   0x7fa70d630a13 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9FrameView6layoutEb+0x10a3) [0x7fa70d630a13]
&gt; 10  0x7fa70cf4b7e6 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore8Document33updateLayoutIfDimensionsOutOfDateERNS_7ElementENS_15DimensionsCheckE+0x586) [0x7fa70cf4b7e6]
&gt; 11  0x7fa70cfbd6c1 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore7Element11offsetWidthEv+0x3f) [0x7fa70cfbd6c1]
&gt; 12  0x7fa70e17b890 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore20jsElementOffsetWidthEPN3JSC9ExecStateEPNS0_8JSObjectElNS0_12PropertyNameE+0xb9) [0x7fa70e17b890]
&gt; 13  0x7fa70c5b1a61 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZNK3JSC12PropertySlot8getValueEPNS_9ExecStateENS_12PropertyNameE+0x93) [0x7fa70c5b1a61]
&gt; 14  0x7fa70cc61d37 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZNK3JSC7JSValue3getEPNS_9ExecStateENS_12PropertyNameERNS_12PropertySlotE+0x4b) [0x7fa70cc61d37]
&gt; 15  0x7fa703dcb54b /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(+0x19f454b) [0x7fa703dcb54b]
&gt; 16  0x7fa703dd71a9 /home/fujii/work/webkit/github/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(+0x1a001a9) [0x7fa703dd71a9]
&gt; fujii&#64;vm-ubuntu $</span ></pre>
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