we can now claim to fully support the override control feature in C++0x.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128281 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LanguageExtensions.html b/docs/LanguageExtensions.html
index 30aa0e1..1cd77a1 100644
--- a/docs/LanguageExtensions.html
+++ b/docs/LanguageExtensions.html
@@ -38,6 +38,7 @@
   <li><a href="#cxx_deleted_functions">C++0x deleted functions</a></li>
   <li><a href="#cxx_lambdas">C++0x lambdas</a></li>
   <li><a href="#cxx_nullptr">C++0x nullptr</a></li>
+  <li><a href="#cxx_override_control">C++0x override control</a></li>
   <li><a href="#cxx_rvalue_references">C++0x rvalue references</a></li>
   <li><a href="#cxx_reference_qualified_functions">C++0x reference-qualified functions</a></li>
   <li><a href="#cxx_static_assert">C++0x <tt>static_assert()</tt></a></li>
@@ -399,6 +400,11 @@
 <tt>nullptr</tt> is enabled. clang does not yet fully implement this
 feature.</p>
 
+<h3 id="cxx_override_control">C++0x <tt>override control</tt></h3>
+
+<p>Use <tt>__has_feature(cxx_override_control)</tt> to determine if support for
+the override control keywords is enabled.</p>
+
 <h3 id="cxx_reference_qualified_functions">C++0x reference-qualified functions</h3>
 <p>Use <tt>__has_feature(cxx_reference_qualified_functions)</tt> to determine if support for reference-qualified functions (e.g., member functions with <code>&amp;</code> or <code>&amp;&amp;</code> applied to <code>*this</code>) is enabled.</p>