[gcc r12-8933] libstdc++: Document LWG 1203 API change in manual

[Jonathan Wakely]

https://gcc.gnu.org/g:825365bec9e9b91173aa98a1ef30472618e6baa0

commit r12-8933-g825365bec9e9b91173aa98a1ef30472618e6baa0
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Sep 14 13:48:25 2022 +0100

    libstdc++: Document LWG 1203 API change in manual
    
    libstdc++-v3/ChangeLog:
    
            * doc/xml/manual/intro.xml: Document LWG 1203.
            * doc/html/*: Regenerate.
    
    (cherry picked from commit 8b1bc3051bd68ce193a8612fa3b1a65c0353b5b0)

Diff:
---
 libstdc++-v3/doc/html/manual/bugs.html | 3 +++
 libstdc++-v3/doc/xml/manual/intro.xml  | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/libstdc++-v3/doc/html/manual/bugs.html b/libstdc++-v3/doc/html/manual/bugs.html
index ef00beec1a8..8e0bc1f9801 100644
--- a/libstdc++-v3/doc/html/manual/bugs.html
+++ b/libstdc++-v3/doc/html/manual/bugs.html
@@ -357,6 +357,9 @@
 	<span class="emphasis"><em>More algorithms that throw away information</em></span>
     </span></dt><dd><p>The traditional HP / SGI return type and value is blessed
 		    by the resolution of the DR.
+    </p></dd><dt><a id="manual.bugs.dr1203"></a><span class="term"><a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#1203" target="_top">1203</a>:
+       <span class="emphasis"><em>More useful rvalue stream insertion</em></span>
+    </span></dt><dd><p>Return the stream as its original type, not the base class.
     </p></dd><dt><a id="manual.bugs.dr1339"></a><span class="term"><a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#1339" target="_top">1339</a>:
        <span class="emphasis"><em>uninitialized_fill_n should return the end of its range</em></span>
     </span></dt><dd><p>Return the end of the filled range.
diff --git a/libstdc++-v3/doc/xml/manual/intro.xml b/libstdc++-v3/doc/xml/manual/intro.xml
index 7b8abd98b0d..e3a03cf9d59 100644
--- a/libstdc++-v3/doc/xml/manual/intro.xml
+++ b/libstdc++-v3/doc/xml/manual/intro.xml
@@ -852,6 +852,12 @@ requirements of the license of GCC.
 		    by the resolution of the DR.
     </para></listitem></varlistentry>
 
+    <varlistentry xml:id="manual.bugs.dr1203"><term><link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="&DR;#1203">1203</link>:
+       <emphasis>More useful rvalue stream insertion</emphasis>
+    </term>
+    <listitem><para>Return the stream as its original type, not the base class.
+    </para></listitem></varlistentry>
+
     <varlistentry xml:id="manual.bugs.dr1339"><term><link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="&DR;#1339">1339</link>:
        <emphasis>uninitialized_fill_n should return the end of its range</emphasis>
     </term>