<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/58714>58714</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Incorrect number of digits for std::format("{:+#.6g}", 1234.0)
        </td>
    </tr>

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

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

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

<pre>
    The result of `std::format("{:+#.6g}", 1234.0)` should be `+1234.00` but libc++ prints `+1234.0`

It appears to count the `+` character as one of the significant digits.
</pre>
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