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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - REGRESSION(r220052): http/tests/appcache/deferred-events-delete-while-raising-timer.html is crashing."
   href="https://bugs.webkit.org/show_bug.cgi?id=175107">175107</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>REGRESSION(r220052): http/tests/appcache/deferred-events-delete-while-raising-timer.html is crashing.
          </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>New Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned@lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>jlewis3@apple.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>ap@webkit.org, darin@apple.com
          </td>
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        <pre>Created <span class=""><a href="attachment.cgi?id=317061" name="attach_317061" title="Crash Log">attachment 317061</a> <a href="attachment.cgi?id=317061&action=edit" title="Crash Log">[details]</a></span>
Crash Log

Crash In: com.apple.WebCore:WebCore::FrameLoader::checkLoadComplete() + 90 (FrameLoader.cpp:2502)


http/tests/appcache/deferred-events-delete-while-raising-timer.html is crashing on all debug testers according to the dashboard:
<a href="https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Fappcache%2Fdeferred-events-delete-while-raising-timer.html">https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Fappcache%2Fdeferred-events-delete-while-raising-timer.html</a>

This crash started after: <a href="https://trac.webkit.org/changeset/220052/webkit">https://trac.webkit.org/changeset/220052/webkit</a>

Build:
<a href="https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r220159%20(2753)/results.html">https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r220159%20(2753)/results.html</a>
<a href="https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK1%20(Tests)/builds/2753">https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK1%20(Tests)/builds/2753</a></pre>
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