Boost.Ratio: Set as expected failures two tests on Intel compilers

[SVN r67675]

status/explicit-failures-markup.xml

@@ -4449,6 +4449,18 @@ for more information.
       <mark-unusable>
         <toolset name="borland-*"/>
       </mark-unusable>
+        <mark-expected-failures>
+            <test name="mpl_plus_pass"/>
+            <test name="ratio_ext_pass"/>
+            <toolset name="intel-*-10.1"/>
+            <toolset name="intel-*-11.0"/>
+            <toolset name="intel-*-11.1"/>
+            <note author="Vicente J. Botet Escriba">
+                internal error: assertion failed: copy_template_param_expr.
+                It seems to be already an Intel internal bug database (tracker number #82149).
+                I have no workaround yet.
+            </note>
+        </mark-expected-failures>
     </library>
 
     <!-- regex -->