Update C++20 status table in libstdc++ manual

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

From-SVN: r269456

libstdc++-v3/ChangeLog

 2019-03-07  Jonathan Wakely  <jwakely@redhat.com>
 
+	* doc/xml/manual/status_cxx2020.xml: Update C++20 status.
+	* doc/html/*: Regenerate.
+
 	P0356R5 Simplified partial function application
 	* include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
 	helpers for bind_front.

libstdc++-v3/doc/html/manual/status.html

@@ -1041,11 +1041,11 @@ Feature-testing recommendations for C++</a>.
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0415r1.html" target="_top">
 	P0415R1
 	</a>
-      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Make <code class="code">std::memory_order</code> a scoped enumeration </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </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"> </td><td align="left"> </td></tr><tr><td align="left">  String Prefix and Suffix Checking </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  String Prefix and Suffix Checking </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0457r2.html" target="_top">
 	P0457R2
 	</a>
@@ -1057,11 +1057,11 @@ Feature-testing recommendations for C++</a>.
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf" target="_top">
 	P0600R1
 	</a>
-      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  de-pessimize legacy algorithms with <code class="code">std::move</code> </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  de-pessimize legacy algorithms with <code class="code">std::move</code> </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0616r0.pdf" target="_top">
 	P0616R0
 	</a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr><td align="left">  Utility to convert a pointer to a raw pointer </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  Utility to convert a pointer to a raw pointer </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0653r2.html" target="_top">
 	P0653R2
 	</a>
@@ -1213,27 +1213,27 @@ Feature-testing recommendations for C++</a>.
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0318r1.pdf" target="_top">
 	P0318R1
 	</a>
-      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Simplified partial function application </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  Simplified partial function application </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0356r5.html" target="_top">
 	P0356R5
 	</a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr><td align="left">  <code class="code">reference_wrapper</code> for incomplete types </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> <code class="code">__cpp_lib_bind_front &gt;= 201811L</code> </td></tr><tr><td align="left">  <code class="code">reference_wrapper</code> for incomplete types </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0357r3.html" target="_top">
 	P0357R3
 	</a>
-      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  <code class="code">char8_t</code>: A type for UTF-8 characters and strings </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  <code class="code">char8_t</code>: A type for UTF-8 characters and strings </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0482r6.html" target="_top">
 	P0482R6
 	</a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Fixing <code class="code">operator&gt;&gt;(basic_istream&amp;, CharT*)</code> (LWG 2499) </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> <code class="code">__cpp_lib_char8_t &gt;= 201811L</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Fixing <code class="code">operator&gt;&gt;(basic_istream&amp;, CharT*)</code> (LWG 2499) </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0487r1.html" target="_top">
 	P0487R1
 	</a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Utility functions to implement uses-allocator construction </td><td align="left">
+      </td><td align="center"> </td><td align="left"> </td></tr><tr><td align="left">  Utility functions to implement uses-allocator construction </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0591r4.pdf" target="_top">
 	P0591R4
 	</a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr><td align="left">  P0595R2 <code class="code">std::is_constant_evaluated()</code> </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  P0595R2 <code class="code">std::is_constant_evaluated()</code> </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0595r2.html" target="_top">
 	P0595R2
 	</a>
@@ -1269,15 +1269,15 @@ Feature-testing recommendations for C++</a>.
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0972r0.pdf" target="_top">
 	P0972R0
 	</a>
-      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Constexpr in <code class="code">std::pointer_traits</code> </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  Constexpr in <code class="code">std::pointer_traits</code> </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1006r1.pdf" target="_top">
 	P1006R1
 	</a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  <code class="code">std::assume_aligned</code> </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr><td align="left">  <code class="code">std::assume_aligned</code> </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1007r3.pdf" target="_top">
 	P1007R3
 	</a>
-      </td><td align="center"> </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Smart pointer creation with default initialization </td><td align="left">
+      </td><td align="center"> 9.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">  Smart pointer creation with default initialization </td><td align="left">
         <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1020r1.html" target="_top">
 	P1020R1
 	</a>

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

@@ -125,14 +125,13 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Make <code>std::memory_order</code> a scoped enumeration </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0439r0.html">
 	P0439R0
 	</link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 9.1 </entry>
       <entry />
     </row>
 
@@ -170,14 +169,13 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  de-pessimize legacy algorithms with <code>std::move</code> </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0616r0.pdf">
 	P0616R0
 	</link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 9.1 </entry>
       <entry />
     </row>
 
@@ -624,15 +622,14 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Simplified partial function application </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0356r5.html">
 	P0356R5
 	</link>
       </entry>
-      <entry align="center"> </entry>
-      <entry />
+      <entry align="center"> 9.1 </entry>
+      <entry> <code>__cpp_lib_bind_front &gt;= 201811L</code> </entry>
     </row>
 
     <row>
@@ -647,15 +644,14 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  <code>char8_t</code>: A type for UTF-8 characters and strings </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0482r6.html">
 	P0482R6
 	</link>
       </entry>
-      <entry align="center"> </entry>
-      <entry />
+      <entry align="center"> 9.1 </entry>
+      <entry> <code>__cpp_lib_char8_t &gt;= 201811L</code> </entry>
     </row>
 
     <row>
@@ -671,14 +667,13 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Utility functions to implement uses-allocator construction </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0591r4.pdf">
 	P0591R4
 	</link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 9.1 </entry>
       <entry />
     </row>
 
@@ -786,26 +781,24 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  Constexpr in <code>std::pointer_traits</code> </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1006r1.pdf">
 	P1006R1
 	</link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 9.1 </entry>
       <entry />
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>  <code>std::assume_aligned</code> </entry>
       <entry>
         <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1007r3.pdf">
 	P1007R3
 	</link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 9.1 </entry>
       <entry />
     </row>