Looks like toolset has run out of memory.

[SVN r35953]

status/explicit-failures-markup.xml

@@ -3380,7 +3380,8 @@ for more information.
                 <toolset name="msvc-8.0"/>
                 <toolset name="sunpro-5_3-sunos"/>
                 <toolset name="sun-5.8"/>
-                <toolset name="borland-5.8.2"/>
+                <toolset name="borland-5_8_2"/>
+                <toolset name="qcc-3.3.5_cpp"/>
                 <note author="John Maddock" refid="2"/>
             </mark-failure>
             <mark-failure>