From 52d75a10d09957db933e98d29002bdf55e6e54e6 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Wed, 4 Nov 2020 12:53:29 +0000
Subject: [PATCH] libstdc++: Update C++20 status documentation

libstdc++-v3/ChangeLog:

	* doc/xml/manual/evolution.xml: Document new C++20 headers.
	* doc/html/*: Regenerate.
---
 libstdc++-v3/doc/html/manual/api.html     | 11 +++++++++++
 libstdc++-v3/doc/xml/manual/evolution.xml | 13 +++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/libstdc++-v3/doc/html/manual/api.html b/libstdc++-v3/doc/html/manual/api.html
index 394c38c3ec58..558606b77b9e 100644
--- a/libstdc++-v3/doc/html/manual/api.html
+++ b/libstdc++-v3/doc/html/manual/api.html
@@ -405,4 +405,15 @@ now defaults to zero.
   for C++20 mode. The removed functionality has been provided by
   <code class="classname">std::allocator_traits</code> since C++11 and that should
   be used instead.
+</p><p>
+  Experimental C++2a support improved, with new headers
+  <code class="filename">&lt;concepts&gt;</code>,
+  <code class="filename">&lt;ranges&gt;</code>,
+  <code class="filename">&lt;compare&gt;</code>,
+  <code class="filename">&lt;coroutine&gt;</code>,
+  <code class="filename">&lt;numbers&gt;</code>,
+  <code class="filename">&lt;span&gt;</code>,
+  and
+  <code class="filename">&lt;stop_token&gt;</code>
+  added.
 </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="abi.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="appendix_porting.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="backwards.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">ABI Policy and Guidelines </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> Backwards Compatibility</td></tr></table></div></body></html>
\ No newline at end of file
diff --git a/libstdc++-v3/doc/xml/manual/evolution.xml b/libstdc++-v3/doc/xml/manual/evolution.xml
index 623d53e7faf6..93e242852ccc 100644
--- a/libstdc++-v3/doc/xml/manual/evolution.xml
+++ b/libstdc++-v3/doc/xml/manual/evolution.xml
@@ -972,6 +972,19 @@ now defaults to zero.
   be used instead.
 </para>
 
+<para>
+  Experimental C++2a support improved, with new headers
+  <filename class="headerfile">&lt;concepts&gt;</filename>,
+  <filename class="headerfile">&lt;ranges&gt;</filename>,
+  <filename class="headerfile">&lt;compare&gt;</filename>,
+  <filename class="headerfile">&lt;coroutine&gt;</filename>,
+  <filename class="headerfile">&lt;numbers&gt;</filename>,
+  <filename class="headerfile">&lt;span&gt;</filename>,
+  and
+  <filename class="headerfile">&lt;stop_token&gt;</filename>
+  added.
+</para>
+
 </section>
 
 </section>
-- 
2.47.2