Make C++11 status page more consistent: we mark entries as "done" if we

implement correct functionality, even if it's not optimal. On this basis, mark
"data dependency ordering" as done. Add footnotes for cases where our
implementation is known to be suboptimal.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176891 91177308-0d34-0410-b5e6-96231b3b80d8

www/cxx_status.html

@@ -11,6 +11,7 @@
     .svn  { background-color: #FFFF99 }
     .full { background-color: #CCFF99 }
     .na { background-color: #DDDDDD }
+    span:target { background-color: #FFFFBB; outline: #DDDD55 solid thin; }
     th { background-color: #FFDDAA }
   </style>
 </head>
@@ -173,7 +174,7 @@ releases prior to version 3.2 in C++11 mode.</p>
     <tr>
       <td>Generalized attributes</td>
       <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2761.pdf">N2761</a></td>
-      <td class="svn" align="center">SVN</td>
+      <td class="svn" align="center">SVN <a href="#n2761">(1)</a></td>
     </tr>
     <tr>
       <td>Generalized constant expressions</td>
@@ -312,7 +313,7 @@ releases prior to version 3.2 in C++11 mode.</p>
     <tr>
       <td>Strong Compare and Exchange</td>
       <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2748.html">N2748</a></td>
-      <td class="full" align="center">Clang 3.1</td>
+      <td class="full" align="center">Clang 3.1 <a href="#n2748">(2)</a></td>
     </tr>
     <tr>
       <td>Bidirectional Fences</td>
@@ -328,7 +329,7 @@ releases prior to version 3.2 in C++11 mode.</p>
     <tr>
       <td>Data-dependency ordering: atomics and memory model</td>
       <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2664.htm">N2664</a></td>
-      <td class="none" align="center">No</td>
+      <td class="full" align="center">Clang 3.2 <a href="#n2664">(3)</a></td>
     </tr>
     <tr>
       <td>Propagating exceptions</td>
@@ -380,6 +381,16 @@ releases prior to version 3.2 in C++11 mode.</p>
       <td class="none" align="center">No</td>
     </tr>
 </table>
+
+<p>
+<span id="n2761">(1): The <code>[[carries_dependency]]</code> attribute
+has no effect.</span></br>
+<span id="n2748">(2): All compare-exchange operations are emitted as
+strong compare-exchanges.</span><br />
+<span id="n2664">(3): <code>memory_order_consume</code> is lowered to
+<code>memory_order_acquire</code>.</span>
+</p>
+
 </div>
 </body>
 </html>

www/get_started.html

@@ -90,7 +90,7 @@ follows:</p>
   </ul>
   </li>
 
-  <li>If you intend to work on Clang C++ support, you may need to tell it how
+  <li>If you intend to use Clang's C++ support, you may need to tell it how
       to find your C++ standard library headers. In general, Clang will detect
       the best version of libstdc++ headers available and use them - it will
       look both for system installations of libstdc++ as well as installations