<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/76872>76872</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang] move -Wcast-function-type under -Wextra
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            good first issue,
            clang:diagnostics
      </td>
    </tr>

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

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

<pre>
    via https://github.com/llvm/llvm-project/issues/74617, I was looking into why I observe this diagnostic with gcc but not clang. It looks like our project (llvmlibc) builds with -Wextra but not -Wcast-function-type.   GCC 8 added support for that flag, and did so under -Wextra.
</pre>
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