<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/70697>70697</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc++] Improve <syncstream> locking mechanism
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc++
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
            mordante
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          mordante
      </td>
    </tr>
</table>

<pre>
    https://reviews.llvm.org/D67086 mentioned here https://reviews.llvm.org/D67086#inline-1549610. The utility added can be made more generic and reusable. Since we want to finish reviewing Phabricator issues this will be done after merging.
</pre>
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