<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/111477>111477</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            __has_builtin(__reference_binds_to_temporary) became false in Clang 19
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          timsong-cpp
      </td>
    </tr>
</table>

<pre>
    Likewise for `__has_builtin(__reference_constructs_from_temporary)`. 

Is that intentional? What's the replacement if I want to detect whether the compiler supports them?
</pre>
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