Add missing feature test macro to C++17 status table

	* doc/xml/manual/status_cxx2017.xml: Add feature test macro for
	P0040R3.
	* doc/html/*: Regenerate.

From-SVN: r271571

libstdc++-v3/ChangeLog

 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 
+	* doc/xml/manual/status_cxx2017.xml: Add feature test macro for
+	P0040R3.
+	* doc/html/*: Regenerate.
+
 	* include/experimental/any (__any_caster): Use RTTI if comparing
 	addresses fails, to support non-unique addresses in shared libraries.
 	* include/std/any (__any_caster): Likewise.

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

@@ -541,7 +541,7 @@ not be conforming for <code class="classname">shared_ptr</code> to have an
 extra template parameter, even if it had a default value.  The
 available policies are:
     </p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>
-       <code class="constant">_S_Atomic</code>
+       <code class="constant">_S_atomic</code>
        </p><p>
 Selected when GCC supports a builtin atomic compare-and-swap operation
 on the target processor (see <a class="link" href="http://gcc.gnu.org/onlinedocs/gcc/_005f_005fatomic-Builtins.html" target="_top">Atomic
@@ -549,13 +549,13 @@ Builtins</a>.)  The reference counts are maintained using a lock-free
 algorithm and GCC's atomic builtins, which provide the required memory
 synchronisation.
        </p></li><li class="listitem"><p>
-       <code class="constant">_S_Mutex</code>
+       <code class="constant">_S_mutex</code>
        </p><p>
 The _Sp_counted_base specialization for this policy contains a mutex,
 which is locked in add_ref_lock(). This policy is used when GCC's atomic
 builtins aren't available so explicit memory barriers are needed in places.
        </p></li><li class="listitem"><p>
-       <code class="constant">_S_Single</code>
+       <code class="constant">_S_single</code>
        </p><p>
 This policy uses a non-reentrant add_ref_lock() with no locking. It is
 used when libstdc++ is built without <code class="literal">--enable-threads</code>.

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

@@ -669,7 +669,7 @@ Feature-testing recommendations for C++</a>.
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0040r3.html" target="_top">
 	P0040R3
 	</a>
-      </td><td align="center"> 7.1 </td><td align="left"><code class="code"> </code></td></tr><tr><td align="left"> <code class="code">shared_ptr::weak_type</code></td><td align="left">
+      </td><td align="center"> 7.1 </td><td align="left"><code class="code">__cpp_lib_raw_memory_algorithms &gt;= 201606L</code></td></tr><tr><td align="left"> <code class="code">shared_ptr::weak_type</code></td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0163r0.html" target="_top">
 	P0163R0
 	</a>

libstdc++-v3/doc/xml/manual/status_cxx2017.xml

@@ -392,7 +392,7 @@ Feature-testing recommendations for C++</link>.
 	</link>
       </entry>
       <entry align="center"> 7.1 </entry>
-      <entry><code> </code></entry>
+      <entry><code>__cpp_lib_raw_memory_algorithms &gt;= 201606L</code></entry>
     </row>
 
     <row>