<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/125821>125821</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            CTAD for alias template crashes.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            c++20,
            clang:frontend,
            crash
      </td>
    </tr>

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

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

<pre>
    This was spotted in a code review comment : https://github.com/llvm/llvm-project/pull/125478#discussion_r1940367085

https://godbolt.org/z/b84rzhjjK


</pre>
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