<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/94236>94236</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [Flang] Add a warning message for the `CONVERT=` specifier appear on an OPEN statement for a formatted file.
        </td>
    </tr>

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

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

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

<pre>
    The `CONVERT=` specifier is not supported on an OPEN statement for a formatted file. 
Flang is currently silence about it. 
Add a warning message for the following case.
```
open(unit=3, form='formatted', convert='LITTLE_ENDIAN')
```
</pre>
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