iostreams lib is unusable with gcc-2.95.3's standard library

is_abstract_test fails on CW 9.4, 9.5 and GCC 3.3


[SVN r29172]

status/explicit-failures-markup.xml

@@ -862,6 +862,10 @@
                 Many compiler-specific workarounds will have to applied before toolset is supported.
             </note>
         </mark-unusable>
+        <mark-unusable>
+            <toolset name="gcc-2.95.3-linux"/>
+            <note refid="5" author="D. Gregor"/>
+        </mark-unusable>
         <mark-expected-failures>
             <test name="seekable_file_test"/>
             <toolset name="gcc-2.95.3-stlport-4.5.3-linux"/>
@@ -2333,6 +2337,8 @@ for more information.
                 <toolset name="borland-5_6_4"/>
                 <toolset name="cw-8_3*"/>
                 <toolset name="cw-9_3*"/>
+                <toolset name="cw-9_4*"/>
+                <toolset name="cw-9_5*"/>
                 <toolset name="msvc"/>
                 <toolset name="msvc-stlport"/>
                 <toolset name="vc7"/>
@@ -2340,6 +2346,7 @@ for more information.
                 <toolset name="gcc-2*"/>
                 <toolset name="gcc-3.2*"/>
                 <toolset name="gcc-3.3*"/>
+                <toolset name="gcc-3_3*"/>
                 <toolset name="sunpro-5_3-sunos"/>
                 <toolset name="tru64cxx65-042"/>
                 <toolset name="darwin"/>