<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/94816>94816</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [Clang] The datasize of empty types is wrong
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang:frontend
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          philnik777
      </td>
    </tr>
</table>

<pre>
    With both `__datasizeof` and `-Xclang -fdump-record-layouts` Clang claims that the datasize of `struct Empty {};` is one, but the ABI behaves as-if it is zero, since it happily uses the single byte when using `[[no_unique_address]]` or EBO that a regular `Empty` would occupy.
</pre>
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