<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/91242>91242</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang does not allow static constexpr user literals as data class members
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          user1095108
      </td>
    </tr>
</table>

<pre>
    For example, a data member:

```c++
static constexpr dpp eps{sig2_t(1), -detail::maxpow10e<T, exp2_t>()};
```

https://wandbox.org/permlink/zVXns995f9IGBBAv

gcc compiles example without issue.
</pre>
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