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

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@324911 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2018-02-12 17:26:40 +00:00
parent b8cb776511
commit f72f21907c
2 changed files with 8 additions and 3 deletions
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5
include/memory
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@@ -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>

6
www/cxx1z_status.html
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@@ -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>
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