libstdc++: Update C++20 library implementation status

libstdc++-v3/ChangeLog:

	* doc/xml/manual/status_cxx2020.xml: Update C++20 status.
	* doc/html/*: Regenerate.

3 files changed, 15 insertions, 21 deletions

diff --git a/libstdc++-v3/doc/html/manual/configure.html b/libstdc++-v3/doc/html/manual/configure.html
index 0024e63..9e2e9dc 100644
--- a/libstdc++-v3/doc/html/manual/configure.html
+++ b/libstdc++-v3/doc/html/manual/configure.html
@@ -93,8 +93,7 @@
 	<code class="function">sched_yield</code> functions, used in the
 	implementation of [thread.thread.this] of the 2011 ISO C++ standard.
 	The choice OPTION=yes checks for the availability of the facilities
-	in libc and libposix4.  In case it's needed the latter is also linked
-	to libstdc++ as part of the build process.  OPTION=rt also checks in
+	in libc.  OPTION=rt also checks in
 	librt (and, if it's needed, links to it).  Note that linking to librt
 	is not always desirable because for glibc it requires linking to
 	libpthread too, which causes all reference counting to use atomic
diff --git a/libstdc++-v3/doc/html/manual/status.html b/libstdc++-v3/doc/html/manual/status.html
index d3f2eda1..c5b8185 100644
--- a/libstdc++-v3/doc/html/manual/status.html
+++ b/libstdc++-v3/doc/html/manual/status.html
@@ -1194,13 +1194,13 @@ or any notes about the implementation.
       </td><td align="center"> 10.1 </td><td align="left"> <code class="code">__cpp_lib_atomic_ref &gt;= 201806L</code> </td></tr><tr><td align="left">  Floating Point Atomic </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0020r6.html" target="_top">
         P0020R6 </a>
-      </td><td align="center"> 10.1 </td><td align="left"> <code class="code">__cpp_lib_atomic_float &gt;= 201711L</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  C++ Synchronized Buffered Ostream </td><td align="left">
+      </td><td align="center"> 10.1 </td><td align="left"> <code class="code">__cpp_lib_atomic_float &gt;= 201711L</code> </td></tr><tr><td align="left">  C++ Synchronized Buffered Ostream </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0053r7.pdf" target="_top">
         P0053R7 </a>
-      </td><td align="center"> </td><td align="left"> <code class="code">__cpp_lib_syncbuf &gt;= 201711L</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Manipulators for C++ Synchronized Buffered Ostream </td><td align="left">
+      </td><td align="center"> 11 </td><td align="left"> <code class="code">__cpp_lib_syncbuf &gt;= 201711L</code> </td></tr><tr><td align="left">  Manipulators for C++ Synchronized Buffered Ostream </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0753r2.pdf" target="_top">
         P0753R2 </a>
-      </td><td align="center"> </td><td align="left"> <code class="code">__cpp_lib_syncbuf &gt;= 201803L</code> </td></tr><tr><td align="left">  Make <code class="code">std::memory_order</code> a scoped enumeration </td><td align="left">
+      </td><td align="center"> 11 </td><td align="left"> <code class="code">__cpp_lib_syncbuf &gt;= 201803L</code> </td></tr><tr><td align="left">  Make <code class="code">std::memory_order</code> a scoped enumeration </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0439r0.html" target="_top">
         P0439R0 </a>
       </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  The Curious Case of Padding Bits, Featuring Atomic Compare-and-Exchange </td><td align="left">
@@ -1399,10 +1399,10 @@ or any notes about the implementation.
       </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Thou Shalt Not Specialize std Function Templates! </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0551r3.pdf" target="_top">
         P0551R3 </a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Bit-casting object representations </td><td align="left">
+      </td><td align="center"> </td><td align="left"> </td></tr><tr><td align="left">  Bit-casting object representations </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0476r2.html" target="_top">
         P0476R2 </a>
-      </td><td align="center"> </td><td align="left"> <code class="code">__cpp_lib_bit_cast &gt;= 201806L</code> </td></tr><tr><td align="left">  Integral power-of-2 operations </td><td align="left">
+      </td><td align="center"> 11 </td><td align="left"> <code class="code">__cpp_lib_bit_cast &gt;= 201806L</code> </td></tr><tr><td align="left">  Integral power-of-2 operations </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0556r3.html" target="_top">
         P0556R3 </a>
       </td><td align="center"> 9.1 </td><td align="left"> <code class="code">__cpp_lib_int_pow2 &gt;= 201806L</code> (since 9.4, see Note 1) </td></tr><tr><td align="left"> On the names of low-level bit manipulation functions </td><td align="left">
@@ -1528,15 +1528,15 @@ or any notes about the implementation.
       </td><td align="center"> 9.1 </td><td align="left"> <code class="code">__cpp_lib_interpolate &gt;= 201902L</code> </td></tr><tr><td align="left"> Mathematical constants </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0631r8.pdf" target="_top">
         P0631R8 </a>
-      </td><td align="center"> 10.1 </td><td align="left"> <code class="code">__cpp_lib_math_constants &gt;= 201907L</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> std::source_location </td><td align="left">
+      </td><td align="center"> 10.1 </td><td align="left"> <code class="code">__cpp_lib_math_constants &gt;= 201907L</code> </td></tr><tr><td align="left"> std::source_location </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1208r6.pdf" target="_top">
         P1208R6 </a>
-      </td><td align="center"> </td><td align="left">
+      </td><td align="center"> 11 </td><td align="left">
         <code class="code">__cpp_lib_source_location &gt;= 201907L</code>
-      </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Efficient access to std::basic_stringbuf's Buffer </td><td align="left">
+      </td></tr><tr><td align="left"> Efficient access to std::basic_stringbuf's Buffer </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0408r7.pdf" target="_top">
         P0408R7 </a>
-      </td><td align="center"> </td><td align="left"> </td></tr></tbody></table></div></div><br class="table-break" /><p>
+      </td><td align="center"> 11 </td><td align="left"> </td></tr></tbody></table></div></div><br class="table-break" /><p>
 Note 1: This feature is supported in older releases but the
 <code class="code">__cpp_lib</code> macro is not defined to the right value
 (or not defined at all) until the version shown in parentheses.
diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2020.xml b/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
index e633365..b62a432 100644
--- a/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
+++ b/libstdc++-v3/doc/xml/manual/status_cxx2020.xml
@@ -357,24 +357,22 @@ or any notes about the implementation.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  C++ Synchronized Buffered Ostream </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0053r7.pdf">
         P0053R7 </link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 11 </entry>
       <entry> <code>__cpp_lib_syncbuf &gt;= 201711L</code> </entry>
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Manipulators for C++ Synchronized Buffered Ostream </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0753r2.pdf">
         P0753R2 </link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 11 </entry>
       <entry> <code>__cpp_lib_syncbuf &gt;= 201803L</code> </entry>
     </row>
 
@@ -1024,13 +1022,12 @@ or any notes about the implementation.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Bit-casting object representations </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0476r2.html">
         P0476R2 </link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 11 </entry>
       <entry> <code>__cpp_lib_bit_cast &gt;= 201806L</code> </entry>
     </row>
 
@@ -1411,26 +1408,24 @@ or any notes about the implementation.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry> std::source_location </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1208r6.pdf">
         P1208R6 </link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 11 </entry>
       <entry>
         <code>__cpp_lib_source_location &gt;= 201907L</code>
       </entry>
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry> Efficient access to std::basic_stringbuf's Buffer </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0408r7.pdf">
         P0408R7 </link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 11 </entry>
       <entry />
     </row>