<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/58951>58951</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang] `__builtin_FUNCSIG()` intrinsic.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang,
            clang-cl
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          fsb4000
      </td>
    </tr>
</table>

<pre>
    Microsoft C++ supports `__builtin_FUNCSIG()` since the latest preview ( VS 2022 17.5 Preview 1).
It is similar to `__builtin_FUNCTION()` but returns the same string as `__FUNCSIG__`.
It would be great if `clang-cl` supports the intrinsic too.
</pre>
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