<html>
    <head>
      <base href="https://bugs.webkit.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - DFG ASSERTION FAILED: m_plan.weakReferences.contains(structure)"
   href="https://bugs.webkit.org/show_bug.cgi?id=164252">164252</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>DFG ASSERTION FAILED: m_plan.weakReferences.contains(structure)
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </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>JavaScriptCore
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>mcatanzaro&#64;igalia.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=293482" name="attach_293482" title="Debug info">attachment 293482</a> <a href="attachment.cgi?id=293482&amp;action=edit" title="Debug info">[details]</a></span>
Debug info

This occured with WebKit trunk built a couple days ago at most, so it's not a duplicate of <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - DFG ASSERTION FAILED: m_plan.weakReferences.contains(structure)."
   href="show_bug.cgi?id=151952">bug #151952</a>. I think it happened on the google.com homepage:

DFG ASSERTION FAILED: m_plan.weakReferences.contains(structure)
../../Source/JavaScriptCore/dfg/DFGGraph.cpp(1521) : void JSC::DFG::Graph::assertIsRegistered(JSC::Structure*)

Debug info attached. Thanks for making it print a huge amount of debug automatically. :)</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>