<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/112295>112295</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [C++20] [Modules] Missing features and problems
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            metabug,
            clang:modules
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          ChuanqiXu9
      </td>
    </tr>
</table>

<pre>
    This is a summary issue to collect the missing features and problems for the support of modules. We only collect issues that have a wider impact and we have a good understanding for the internal reasons here. We hope we can say the support is done when we fixed all the issue in the list.

## Missing spec features
https://github.com/llvm/llvm-project/issues/90154
https://github.com/llvm/llvm-project/issues/112294

## ABI related

https://github.com/llvm/llvm-project/issues/110146
</pre>
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