<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/146936>146936</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [AArch64] VG is not correctly saved on Darwin targets when switching to/from streaming mode
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          efriedma-quic
      </td>
    </tr>
</table>

<pre>
    334a366ba792adb41ccf43457b65ac88aa37f178 disables saving VG if the target is Darwin, and doesn't have SVE support. This is problematic: if future Apple hardware ever enables SVE support, unwind will break because the unwinder won't know the current VG.

@aemerson @jroelofs @MacDue @sdesmalen-arm 
</pre>
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