diff --git a/docs/TestingGuide.html b/docs/TestingGuide.html
index 608c6defc88..1150ac8f962 100644
--- a/docs/TestingGuide.html
+++ b/docs/TestingGuide.html
@@ -18,12 +18,14 @@
     <ul>
       <li><a href="#regressiontests">Regression tests</a></li>
       <li><a href="#testsuite">Test suite</a></li>
+      <li><a href="#debuginfotests">Debugging Information tests</a></li>
     </ul>
   </li>
   <li><a href="#quick">Quick start</a>
     <ul>
       <li><a href="#quickregressiontests">Regression tests</a></li>
       <li><a href="#quicktestsuite">Test suite</a></li>
+      <li><a href="#quickdebuginfotests">Debugging Information tests</a></li>
    </ul>
   </li>
   <li><a href="#rtstructure">Regression test structure</a>
@@ -141,6 +143,23 @@ generates code.</p>
 
 </div>
 
+<!-- _______________________________________________________________________ -->
+<div class="doc_subsection"><a name="debuginfotests">Debugging Information 
+tests</a></div>
+<!-- _______________________________________________________________________ -->
+
+<div class="doc_text">
+
+<p>The test suite contains tests to check quality of debugging information.
+The test are written in C based languages or in LLVM assembly language. </p>
+
+<p>These tests are compiled and run under a debugger. The debugger output
+is checked to validate of debugging information. See README.txt in the 
+test suite for more information . This test suite is located in the 
+<tt>debuginfo-tests</tt> Subversion module. </p>
+
+</div>
+
 <!--=========================================================================-->
 <div class="doc_section"><a name="quick">Quick start</a></div>
 <!--=========================================================================-->
@@ -272,6 +291,25 @@ that subdirectory.</p>
 
 </div>
 
+<!-- _______________________________________________________________________ -->
+<div class="doc_subsection"><a name="quickdebuginfotests">Debugging Information 
+tests</a></div>
+<!-- _______________________________________________________________________ -->
+
+<p> To run debugging information tests simply checkout the tests inside
+clang/test directory. </p>
+
+<div class="doc_code">
+<pre>
+%cd clang/test
+% svn co http://llvm.org/svn/llvm-project/debuginfo-tests/trunk debuginfo-tests
+</pre>
+</div>
+
+<p> These tests are already set up to run as part of clang regression tests.</p>
+
+</div>
+
 <!--=========================================================================-->
 <div class="doc_section"><a name="rtstructure">Regression test structure</a></div>
 <!--=========================================================================-->