[committed] libstdc++: Document final option names for enabling C++20

[Jonathan Wakely via Gcc-patches]

Pushed to trunk.


libstdc++-v3/ChangeLog:

        * doc/xml/manual/status_cxx2020.xml: Use final C++20 option
        names.
        * doc/html/manual/status.html: Regenerate.
---
 libstdc++-v3/doc/html/manual/status.html       | 4 ++--
 libstdc++-v3/doc/xml/manual/status_cxx2020.xml | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2020.xml 
b/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
index cebe36a8d5e..7e2582668ed 100644
--- a/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
+++ b/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
@@ -10,8 +10,8 @@
 </info>
 
 <para>
-In this implementation the <literal>-std=gnu++2a</literal> or
-<literal>-std=c++2a</literal> flag must be used to enable language
+In this implementation the <literal>-std=gnu++20</literal> or
+<literal>-std=c++20</literal> flag must be used to enable language
 and library
 features. See <link linkend="manual.intro.using.flags">dialect</link>
 options. The pre-defined symbol
-- 
2.31.1