Patches for HP aCC and Compaq tru64

[SVN r37106]

libs/regex

@@ -1 +1 @@
-Subproject commit bb7b1c8def6ac0b81b72d31c8fe4a21a82c1bfe8
+Subproject commit 6b3c033e8d809e396f1a9f579edf2f87eb8e327e

status/explicit-failures-markup.xml

@@ -3636,7 +3636,6 @@ for more information.
             </mark-failure>
             <mark-failure>
                 <toolset name="tru64cxx*"/>
-                <toolset name="hp_cxx*"/>
                 <note author="Markus Schoepflin" refid="3"/>
             </mark-failure>
         </test>