>
      <td>Propagating exceptions</td>
      <td><a href="https://wg21.link/n2179">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="https://wg21.link/n2547">N2547</a></td>
      <td class="full" align="center">Clang 3.1</td>
    </tr>
    <tr>
      <td>Thread-local storage</td>
      <td><a href="https://wg21.link/n2659">N2659</a></td>
      <td class="full" align="center">Clang 3.3 <a href="#n2659