added expected failures for iostreams library

[SVN r27338]

status/explicit-failures-markup.xml

@@ -472,6 +472,35 @@
         </mark-expected-failures>
     </library>
 
+    <!-- iostream -->
+    <library name="iostream">
+        <mark-expected-failures>
+            <test name="seekable_file_test"/>
+			<toolset name="gcc-2.95.3-stlport-4.5.3-linux"/>
+            <toolset name="borland-5_6_4"/>
+			<toolset name="iw-7_1-vc6-stlp-4_5_3"/>
+            <toolset name="msvc-stlport"/>
+            <note author="Jonathan Turkanis">
+                This failure is a result of an undiagnosed STLPort bug; 
+				the test fails even if all Boost components are replaced by 
+				standard library components.
+            </note>
+        </mark-expected-failures>
+        <mark-expected-failures>
+            <test name="code_converter_test"/>
+			<toolset name="gcc-2.95.3-linux"/>
+            <note author="Jonathan Turkanis">
+                No wide stream support.
+            </note>
+        </mark-expected-failures>
+        <mark-expected-failures>
+            <test name="wide_stream_test"/>
+			<toolset name="gcc-2.95.3-linux"/>
+            <note author="Jonathan Turkanis">
+                No wide stream support.
+            </note>
+        </mark-expected-failures>
+    </library>
 
     <!-- lambda -->
     <library name="lambda">