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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 - Remove fixed positioned descendants when RenderView is no longer the containing block."
   href="https://bugs.webkit.org/show_bug.cgi?id=158772">158772</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Remove fixed positioned descendants when RenderView is no longer the containing block.
          </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>zalan&#64;apple.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>simon.fraser&#64;apple.com
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        </tr></table>
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        <pre>Created <span class=""><a href="attachment.cgi?id=281317" name="attach_281317" title="Test case">attachment 281317</a> <a href="attachment.cgi?id=281317&amp;action=edit" title="Test case">[details]</a></span>
Test case

When the new containing block for fixed positioned elements has the position set to !static (relative, absolute etc), we don't remove the the fixed descendants from the RenderView.</pre>
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