markup some Boost.Spirit tests that may take too long to compile with aC++

[SVN r49502]

status/explicit-failures-markup.xml

@@ -2903,8 +2903,10 @@ for more information.
             <note author="Aleksey Gurtovoy" refid="28"/>
         </mark-expected-failures>
         <mark-expected-failures>
+            <test name="int_numerics"/>
             <test name="karma_pattern*"/>
             <test name="rule"/>
+            <test name="sequence"/>
             <toolset name="acc"/>
             <note author="Boris Gubenko" refid="47"/>
         </mark-expected-failures>