Mention the lldb formatters in the clang wiki under debugging.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168118 91177308-0d34-0410-b5e6-96231b3b80d8

www/hacking.html

@@ -87,6 +87,10 @@
       the <tt>isConstQualified()</tt>, for example, to get one of the
       qualifiers, and the <tt>getTypePtr()</tt> method to get the
       wrapped <tt>Type*</tt> which you can then dump.</li>
+      <li>For <a href="http://lldb.llvm.org"> <tt>LLDB</tt></a> users there are
+      data formatters for clang data structures in
+      <a href="http://llvm.org/svn/llvm-project/cfe/trunk/utils/ClangDataFormat.py">
+      <tt>utils/ClangDataFormat.py</tt></a>.</li>
     </ul>
 
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