tial
ordering, resulting in ambiguity errors for reasonable and previously-valid
code. This issue is expected to be rectified soon.
</span>
</p>
</details>

<h2 id="cxx20">C++20 implementation status</h2>

<p>Clang has support for some of the features of the
ISO C++ 2020 Draft International Standard.

<p>You can use Clang in C++20 mode with the <code>-std=c++20</code> option
(use <code>-std=c++2a</code> in Clang 9 and earlier).</p>

<details open>
<summary>List of features and minimum Clang version with sup