m Clang version with support</summary>

<table width="689" border="1" cellspacing="0">
 <tr>
    <th>Language Feature</th>
    <th>C++11 Proposal</th>
    <th>Available in Clang?</th>
 </tr>
     <tr>
      <td rowspan="2">Rvalue references</td>
      <td><a href="https://wg21.link/n2118">N2118</a></td>
      <td class="full" align="center">Clang 2.9</td>
      <tr> <!-- from Kona 2019-->
        <td><a href="https://wg21.link/p1825r0">P1825R0</a> (<a href="#dr">DR</a>)</td>
        <td class="none" align="