Update C++2a library status table

	* doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
	and floating point atomics.

From-SVN: r273441

libstdc++-v3/ChangeLog

+2019-07-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
+	and floating point atomics.
+
 2019-07-11  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/xml/manual/configure.xml: Improve documentation of

libstdc++-v3/doc/xml/manual/status_cxx2020.xml

@@ -78,14 +78,13 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Floating Point Atomic </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0020r6.html">
 	P0020R6
 	</link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 10.1 </entry>
       <entry />
     </row>
 
@@ -345,15 +344,14 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Atomic Ref </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0019r8.html">
 	P0019R8
 	</link>
       </entry>
-      <entry align="center"> </entry>
-      <entry />
+      <entry align="center"> 10.1 </entry>
+      <entry> <code>__cpp_lib_atomic_ref &gt;= 201806L</code> </entry>
     </row>
 
     <row>