multi_array will not run on SunPro 5.3

[SVN r27922]

status/explicit-failures-markup.xml

@@ -670,6 +670,10 @@
                 </p>
             </note>
         </mark-unusable>
+        <mark-unusable>
+            <toolset name="sunpro-5_3"/>
+            <note author="Douglas Gregor" refid="3"/>
+        </mark-unusable>
         <test name="constructors">
             <mark-failure>
                <toolset name="msvc"/>