Note obnoxious Comeau bug

[SVN r24129]

status/explicit-failures-markup.xml

@@ -870,6 +870,7 @@ for more information.
         <test name="dead_slot_test">
             <mark-failure>
                 <toolset name="meta-como-win32-4.3.3-vc7"/>
+                <toolset name="meta-como-win32-4.3.3-msvc"/>
                 <note refid="3" author="D. Gregor"/>
             </mark-failure>
         </test>
@@ -889,6 +890,7 @@ for more information.
         <test name="trackable_test">
             <mark-failure>
                 <toolset name="meta-como-win32-4.3.3-vc7"/>
+                <toolset name="meta-como-win32-4.3.3-msvc"/>
                 <note refid="3" author="D. Gregor"/>
             </mark-failure>
         </test>