Update cxx_status to mention the upcoming Clang 5 release.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310693 91177308-0d34-0410-b5e6-96231b3b80d8

www/cxx_status.html

@@ -521,7 +521,7 @@ version 3.7.
 
 <h2 id="cxx17">C++17 implementation status</h2>
 
-<p>Clang SVN implements all the features
+<p>Clang 5 and later implement all the features
 of the C++ 2017 Draft International Standard.
 
 <p>You can use Clang in C++17 mode with the <code>-std=c++1z</code> option.</p>
@@ -647,7 +647,7 @@ of the C++ 2017 Draft International Standard.
     <tr>
       <td><tt>constexpr</tt> lambda expressions</td>
       <td><a href="http://wg21.link/p0170r1">P0170R1</a></td>
-      <td class="svn" align="center">SVN</td>
+      <td class="svn" align="center">Clang 5</td>
     </tr>
     <tr>
       <td>Differing <tt>begin</tt> and <tt>end</tt> types in range-based <tt>for</tt></td>
@@ -683,7 +683,7 @@ of the C++ 2017 Draft International Standard.
     <tr>
       <td rowspan="2">Template argument deduction for class templates</td>
       <td><a href="http://wg21.link/p0091r3">P0091R3</a></td>
-      <td rowspan="2" class="svn" align="center">SVN</td>
+      <td rowspan="2" class="svn" align="center">Clang 5</td>
     </tr>
       <tr> <!-- from Issaquah -->
         <td><a href="http://wg21.link/p0512r0">P0512R0</a></td>
@@ -895,7 +895,7 @@ and library features that are not part of standard C++.</p>
       <td>[DRAFT TS] Coroutines</td>
       <td><a href="https://isocpp.org/files/papers/N4663.pdf">N4663</a></td>
       <td><tt>-fcoroutines-ts<br>-stdlib=libc++</tt></td>
-      <td class="svn" align="center">SVN</td>
+      <td class="svn" align="center">Clang 5</td>
     </tr>
     <tr>
       <td>[TS] Library Fundamentals, Version 1 (invocation type traits)</td>