diff --git a/status/explicit-failures-markup.xml b/status/explicit-failures-markup.xml
index 07f9e42213..822b2fde06 100644
--- a/status/explicit-failures-markup.xml
+++ b/status/explicit-failures-markup.xml
@@ -3001,6 +3001,32 @@ for more information.
    
          <!-- optional -->
     <library name="optional">
+        <mark-expected-failures>
+            <test name="optional_test_ref_assign_const_int"/>
+            <toolset name="msvc-10.0"/>
+            <note author="Andrzej Krzemienski" id="optional-const-int-ref-bug">
+                <p>This is a compiler bug: it sometimes creates an illegal temporary object.
+		The following code illustrates the bug:</p>
+		<pre>
+		#include &lt;cassert&gt;
+		const int global_i = 0;
+		
+		struct TestingReferenceBinding
+		{
+		  void operator=(const int&amp; ii)
+		  {
+		    assert(&amp;ii == &amp;global_i);
+		  }
+		};
+		
+		int main()
+		{
+		  TestingReferenceBinding ttt;
+		  ttt = global_i;
+		}
+                </pre>
+            </note>
+        </mark-expected-failures>
         <mark-expected-failures>
             <test name="optional_test_ref"/>
             <toolset name="msvc-6.5*"/>