Marked acc as n/a for Interprocess.

[SVN r39685]

status/explicit-failures-markup.xml

@@ -1605,6 +1605,7 @@
             <toolset name="gcc-3.2*"/>
             <toolset name="gcc-3.3*"/>
             <toolset name="mipspro"/>
+            <toolset name="acc"/>
             <note author="Ion Gazta&#241;aga">
                 The compiler does not support features that are essential for the library.
             </note>