ired for an implementation
such as Clang that does not provide any extended integer types.
<code>__int128</code> is not treated as an extended integer type,
because changing <code>intmax_t</code> would be an ABI-incompatible
change.</span>
</p>
</details>

<h2 id="cxx14">C++14 implementation status</h2>

<p>Clang 3.4 and later implement all of the <a
    href="https://www.iso.org/standard/64029.html">ISO
    C++ 2014 standard</a>.

<p>You can use Clang in C++14 mode with the <code>-std=c++14</code> option
(