<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/153662>153662</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang][ObjC][PAC] Include objective-c ptrauth abi in llvm21
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

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

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

<pre>
    We need to include the objc ptrauth ABI changes as part of the llvm21 pointer auth ABI adoption.

/cherry-pick 451a9ce
</pre>
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