<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/80694>80694</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Backport "Support memsets to ptr allocas" to release/18.x
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            release:backport
      </td>
    </tr>

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

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

<pre>
    /cherry-pick 4e958abf2f44d08129eafd5b6a4ee2bd3584ed22
</pre>
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