diff -r 510d5bd079ad boost/regex/v4/cpp_regex_traits.hpp
--- a/boost/regex/v4/cpp_regex_traits.hpp	Fri Jun 27 15:59:57 2008 -0600
+++ b/boost/regex/v4/cpp_regex_traits.hpp	Mon Jun 30 18:22:37 2008 -0600
@@ -304,11 +304,13 @@
          }
          this->m_pmessages->close(cat);
       }
+#ifndef BOOST_NO_EXCEPTIONS
       catch(...)
       {
          this->m_pmessages->close(cat);
          throw;
       }
+#endif
    }
    else
    {