Markup debug container failure on darwin 4.2

[SVN r58950]

status/explicit-failures-markup.xml

@@ -1755,6 +1755,14 @@
                 in a namespace don't appear to be found by ADL.
             </note>
         </mark-expected-failures>
+
+        <mark-expected-failures>
+            <test name="container_fwd_gcc_debug"/>
+            <toolset name="darwin-4.2"/>
+            <note author="Daniel James">
+              Debug containers aren't supported on Apple's version of gcc 4.2.
+            </note>
+        </mark-expected-failures>
     </library>