[clang] [C2y] Support WG14 N3457, the __COUNTER__ macro (PR #162662)

[Aaron Ballman via cfe-commits]

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@@ -329,7 +329,7 @@ <h2 id="c2y">C2y implementation status</h2>
     <tr>
       <td>The __COUNTER__ predefined macro</td>
       <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3457.htm">N3457</a></td>
-      <td class="unknown" align="center">Unknown</td>
+      <td class="full" align="center">Clang 22</td>
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AaronBallman wrote:

Good catch!

https://github.com/llvm/llvm-project/pull/162662