[libcxx] r324911 - Implement LWG#2908 - The less-than operator for shared pointers could do more, and mark 2878 as complete as well (we already do that)

Mon, 12 Feb 2018 09:28:54 -0800 

Author: marshall
Date: Mon Feb 12 09:26:40 2018
New Revision: 324911

URL: http://llvm.org/viewvc/llvm-project?rev=324911&view=rev
Log:
Implement LWG#2908 - The less-than operator for shared pointers could do more, 
and mark 2878 as complete as well (we already do that)

Modified:
    libcxx/trunk/include/memory
    libcxx/trunk/www/cxx1z_status.html

Modified: libcxx/trunk/include/memory
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/memory?rev=324911&r1=324910&r2=324911&view=diff
==============================================================================
--- libcxx/trunk/include/memory (original)
+++ libcxx/trunk/include/memory Mon Feb 12 09:26:40 2018
@@ -4805,8 +4805,13 @@ inline _LIBCPP_INLINE_VISIBILITY
 bool
 operator<(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT
 {
+#if _LIBCPP_STD_VER <= 11
     typedef typename common_type<_Tp*, _Up*>::type _Vp;
     return less<_Vp>()(__x.get(), __y.get());
+#else
+    return less<>()(__x.get(), __y.get());
+#endif
+
 }
 
 template<class _Tp, class _Up>

Modified: libcxx/trunk/www/cxx1z_status.html
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/www/cxx1z_status.html?rev=324911&r1=324910&r2=324911&view=diff
==============================================================================
--- libcxx/trunk/www/cxx1z_status.html (original)
+++ libcxx/trunk/www/cxx1z_status.html Mon Feb 12 09:26:40 2018
@@ -483,13 +483,13 @@
        <tr><td><a 
href="https://wg21.link/LWG2874";>2874</a></td><td>Constructor 
shared_ptr::shared_ptr(Y*) should be constrained</td><td>Kona</td><td></td></tr>
        <tr><td><a 
href="https://wg21.link/LWG2875";>2875</a></td><td>shared_ptr::shared_ptr(Y*, D, 
[&hellip;]) constructors should be constrained</td><td>Kona</td><td></td></tr>
        <tr><td><a 
href="https://wg21.link/LWG2876";>2876</a></td><td>shared_ptr::shared_ptr(const 
weak_ptr&lt;Y&gt;&amp;) constructor should be 
constrained</td><td>Kona</td><td></td></tr>
-       <tr><td><a href="https://wg21.link/LWG2878";>2878</a></td><td>Missing 
DefaultConstructible requirement for istream_iterator default 
constructor</td><td>Kona</td><td></td></tr>
+       <tr><td><a href="https://wg21.link/LWG2878";>2878</a></td><td>Missing 
DefaultConstructible requirement for istream_iterator default 
constructor</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a href="https://wg21.link/LWG2890";>2890</a></td><td>The 
definition of 'object state' applies only to class 
types</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a href="https://wg21.link/LWG2900";>2900</a></td><td>The copy 
and move constructors of optional are not 
constexpr</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a href="https://wg21.link/LWG2903";>2903</a></td><td>The form 
of initialization for the emplace-constructors is not 
specified</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a href="https://wg21.link/LWG2904";>2904</a></td><td>Make 
variant move-assignment more exception 
safe</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a 
href="https://wg21.link/LWG2905";>2905</a></td><td>is_constructible_v&lt;unique_ptr&lt;P,
 D&gt;, P, D const &amp;&gt; should be false when D is not copy 
constructible</td><td>Kona</td><td>Complete</td></tr>
-       <tr><td><a href="https://wg21.link/LWG2908";>2908</a></td><td>The 
less-than operator for shared pointers could do 
more</td><td>Kona</td><td></td></tr>
+       <tr><td><a href="https://wg21.link/LWG2908";>2908</a></td><td>The 
less-than operator for shared pointers could do 
more</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a href="https://wg21.link/LWG2911";>2911</a></td><td>An 
is_aggregate type trait is needed</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a 
href="https://wg21.link/LWG2921";>2921</a></td><td>packaged_task and type-erased 
allocators</td><td>Kona</td><td>Complete</td></tr>
        <tr><td><a 
href="https://wg21.link/LWG2934";>2934</a></td><td>optional&lt;const T&gt; 
doesn't compare with T</td><td>Kona</td><td>Complete</td></tr>
@@ -504,7 +504,7 @@
 <!--   <tr><td></td><td></td><td></td><td></td></tr> -->
   </table>
 
-  <p>Last Updated: 25-Jan-2018</p>
+  <p>Last Updated: 12-Feb-2018</p>
 </div>
 </body>
 </html>


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