gcc-wwwdocs branch master updated. 8d6747dd9c747146aaf42dae43847565882097cb

[Jonathan Wakely <redi@sourceware.org>]

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- Log -----------------------------------------------------------------
commit 8d6747dd9c747146aaf42dae43847565882097cb
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri Nov 12 11:55:26 2021 +0000

    Document libstdc++ changes in gcc-12

diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
index 19947f90..5f12fb42 100644
--- a/htdocs/gcc-12/changes.html
+++ b/htdocs/gcc-12/changes.html
@@ -165,7 +165,26 @@ a work-in-progress.</p>
   </li>
 </ul>
 
-<!-- <h4 id="libstdcxx">Runtime Library (libstdc++)</h4> -->
+<h4 id="libstdcxx">Runtime Library (libstdc++)</h4>
+
+<ul>
+<li>Improved experimental C++20 support, including:
+  <ul>
+  <li><code>std::vector</code>, <code>std::optional</code>,
+      and <code>std::variant</code> can be used in <code>constexpr</code>
+      functions.</li>
+  <li>Layout-compatibility and pointer-interconvertibility traits.</li>
+  </ul>
+</li>
+<li>Improved experimental C++23 support, including:
+  <ul>
+  <li>Monadic operations for <code>std::optional</code>.</li>
+  <li><code>std::move_only_function</code></li>
+  <li><code>std::invoke_r</code></li>
+  <li><code>std::basic_string::resize_and_overwrite</code></li>
+  </ul>
+</li>
+</ul>
 
 <!-- <h3 id="d">D</h3> -->
 

-----------------------------------------------------------------------

Summary of changes:
 htdocs/gcc-12/changes.html | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)


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