<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/154394>154394</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            New __ptrauth types are wrongly reported as __is_bitwise_cloneable
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          halbi2
      </td>
    </tr>
</table>

<pre>
    ```
struct S1 {
  int * __ptrauth(1,1,50) p_;
};
static_assert(!__is_bitwise_cloneable(S1));
```

This test case fails. I apologise for missing this trait at the time that I filed #137473 and #137474.
The purpose of `__is_bitwise_cloneable` is not clear, libc++ does not use it, but ptrauth types are surely not bitwise copyable.
</pre>
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