[gcc/devel/omp/gcc-9] Update docs for p858 - Constexpr iterator changes available since 9.1.

[Tobias Burnus]

https://gcc.gnu.org/g:cf33425f64d1756c247a9a01b33e33c48b93eeb8

commit cf33425f64d1756c247a9a01b33e33c48b93eeb8
Author: Edward Smith-Rowland <3dw4rd@verizon.net>
Date:   Mon Sep 9 17:17:48 2019 +0000

    Update docs for p858 - Constexpr iterator changes available since 9.1.
    
    2019-09-09  Edward Smith-Rowland  <3dw4rd@verizon.net>
    
    	Update docs for p858 - Constexpr iterator changes available since 9.1.
    	* doc/xml/manual/status_cxx2020.xml: Update p0858r0 status.
    
    From-SVN: r275523

Diff:
---
 libstdc++-v3/ChangeLog                         | 5 +++++
 libstdc++-v3/doc/xml/manual/status_cxx2020.xml | 6 +++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 5a0dd3c..683f8d7 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2019-09-09  Edward Smith-Rowland  <3dw4rd@verizon.net>
+
+	Update docs for p858 - Constexpr iterator changes available since 9.1.
+	* doc/xml/manual/status_cxx2020.xml: Update p0858r0 status.
+
 2019-09-02  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/xml/manual/abi.xml: Document 9.x library versions.
diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2020.xml b/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
index 89e540d..ccf3818 100644
--- a/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
+++ b/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
@@ -309,15 +309,15 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Constexpr iterator requirements </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0858r0.html">
 	P0858R0
 	</link>
       </entry>
-      <entry align="center"> </entry>
-      <entry />
+      <entry align="center"> 9.1 </entry>
+      <entry> <code>__cpp_lib_string_view >= 201803L</code>
+      and <code>__cpp_lib_array_constexpr >= 201803L</code> </entry>
     </row>
 
     <row>