These should be mentioned


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11439 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 5d88c7e..54bab5d 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -99,6 +99,7 @@
 <ol>
 <li><a href="http://llvm.cs.uiuc.edu/PR16">Exception handling support in the X86
 &amp; Sparc native code generators</a></li>
+<li>The C/C++ front-end now support the GCC <tt>__builtin_return_address</tt> and <tt>__builtin_frame_address</tt> extensions.</li>
 </ol>
 
 
@@ -450,9 +451,7 @@
 </div>
 
 <!-- _______________________________________________________________________ -->
-<div class="doc_subsubsection">
-  Bugs
-</div>
+<div class="doc_subsubsection">Bugs</div>
 
 <div class="doc_text">