ll" align="center">Clang 3.2 <a href="#n2664">(4)</a></td>
    </tr>
    <tr>
      <td>Propagating exceptions</td>
      <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html">N2179</a></td>
      <td class="full" align="center">Clang 2.9</td>
    </tr>
    <tr>
      <td>Allow atomics use in signal handlers</td>
      <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2547.htm">N2547</a></td>
      <td class="full" align="center">Clang 3.1</td>
    </tr>
    <t