[wwwdocs] Update C++ status post San Diego

[Marek Polacek]

This patch updates the current C++ status with proposals accepted
at the recent San Diego meeting.

Committed to CVS.

Index: projects/cxx-status.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/projects/cxx-status.html,v
retrieving revision 1.66
diff -u -r1.66 cxx-status.html
--- projects/cxx-status.html	13 Nov 2018 04:50:14 -0000	1.66
+++ projects/cxx-status.html	13 Nov 2018 20:42:20 -0000
@@ -106,7 +106,9 @@
     <tr>
       <td> Concepts </td>
       <td><a href="http://wg21.link/p0734r0">P0734R0</a><br/>
-        <a href="http://wg21.link/p0857r0">P0857R0</a> </td>
+        <a href="http://wg21.link/p0857r0">P0857R0</a><br/>
+	<a href="http://wg21.link/p1084r2">P1084R2</a><br/>
+	<a href="http://wg21.link/p1414r2">P1414R2</a></td>
       <td class="unsupported"> TS with -fconcepts </td>
       <td> </td>
     </tr>
@@ -246,7 +248,8 @@
     </tr>
     <tr>
       <td> Support for contract based programming in C++ </td>
-      <td><a href="http://wg21.link/p0542r5">P0542R5</a></td>
+      <td><a href="http://wg21.link/p0542r5">P0542R5</a><br/>
+      <a href="http://wg21.link/p1289r1">P1289R1</a></td>
       <td class="unsupported"> No </td>
       <td> </td>
     </tr>
@@ -256,6 +259,44 @@
       <td class="supported"> 9 </td>
       <td> </td>
     </tr>
+    <tr>
+      <td> Signed integers are two's complement </td>
+      <td><a href="http://wg21.link/p1236r1">P1236R1</a></td>
+      <td class="unsupported"> No </td>
+      <td> </td>
+    </tr>
+    <tr>
+      <td> char8_t </td>
+      <td><a href="http://wg21.link/p0482r6">P0482R6</a></td>
+      <td class="unsupported"> No </td>
+      <td> </td>
+    </tr>
+    <tr>
+      <td> Immediate functions (consteval) </td>
+      <td><a href="http://wg21.link/p1073r3">P1073R3</a></td>
+      <td class="unsupported"> No </td>
+      <td> </td>
+    </tr>
+    <tr>
+      <td> std::is_constant_evaluated </td>
+      <td><a href="http://wg21.link/p0595r2">P0595R2</a></td>
+      <td class="unsupported"> No </td>
+      <td> </td>
+    </tr>
+    <tr>
+      <td> Nested inline namespaces </td>
+      <td><a href="http://wg21.link/p1094r2">P1094R2</a></td>
+      <td class="unsupported"> No </td>
+      <td> </td>
+    </tr>
+    <tr>
+      <td> Relaxations of constexpr restrictions</td>
+      <td><a href="http://wg21.link/p1002r1">P1002R1</a><br/>
+      <a href="http://wg21.link/p1327r1">P1327R1</a><br/>
+      <a href="http://wg21.link/p1330r0">P1330R0</a></td>
+      <td class="unsupported"> No </td>
+      <td> </td>
+    </tr>
   </table>
 
   <h2 id="cxx17">C++17 Support in GCC</h2>