<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/100006>100006</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Complete 'P1353R0 Missing feature test macros'
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc++,
            c++20
      </td>
    </tr>

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

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

<pre>
    Related to #99986.
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJxEj8GKwyAQhp9mvIQGHWNTDx62LbktLH0DjZPEYmpRU9i3X1IKCwPD_Idv_s-WEuYHkQF1BnVldqtLyma8e8dc8r_mRtFW8k1NDaDUWp-OLfNGei21ZWREj-KohZaCLUYpLXrlNTrLpz2TXFrrpJ8m7NXoWTDIseM9IspOSdH6XkwnJ3w3nhxNKKDjtNoQ2xhfa5vyzEIpGxnBOedHFq2jWN5lEWNwI-D5PQh4AcTPjXxP1JVls3MObpsLdDyGUss_uYYayVzS-oxUqQHsf4RU8sab71BKeMzNRLZumZpKpTarHXMqgD3bcjRLrc8C8gtwABzmUJfNtWNaAYf9wWcdnjndaayAw9ujAA4flZfBvwAAAP__cely_Q">