<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/112395>112395</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc++] Document guidelines for dylib boundary symbols
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            documentation,
            libc++
      </td>
    </tr>

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

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

<pre>
    Add a section to the "Contributing" documentation to explain a few things about ABI boundary, in particular:
1. don't use public names at the ABI boundary
2. suggest using attributes to help optimization (e.g. `gnu::pure` and `clang::noescape`)
</pre>
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