<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/185635>185635</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [flang] Implement F2023 TYPEOF and CLASSOF type specifiers
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          Ritanya-B-Bharadwaj
      </td>
    </tr>
</table>

<pre>
    The Fortran 2023 Standard extends declaration-type-spec with two new type specifiers:

TYPEOF ( data-ref ) 
CLASSOF ( data-ref )

These allow declarations to indirectly use the type of a previously-defined entity. CLASSOF additionally implies polymorphism.
More details in - https://github.com/llvm/llvm-project/blob/main/flang/docs/F202X.md#typeof-and-classof
This is marked as N in https://releases.llvm.org/21.1.0/tools/flang/docs/FortranStandardsSupport.html#fortran-2023
</pre>
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