commit 7916c5c1a954d508ada332ef2b8add1707daca29
Author: Carl Simonson <carl.simonson@garmin.com>
Date:   Tue Apr 12 15:58:03 2011 -0500

    regex: Fix up code that uses exceptions
    
    Some places in the boost::regex library did not safely guard uses of
    exceptions with checks to see if exceptions were enabled.

diff --git a/boost/regex/v4/basic_regex.hpp b/boost/regex/v4/basic_regex.hpp
index 04c7bb3..53b7bca 100644
--- a/boost/regex/v4/basic_regex.hpp
+++ b/boost/regex/v4/basic_regex.hpp
@@ -1,7 +1,7 @@
 /*
  *
- * Copyright (c) 1998-2004
- * John Maddock
+ * Copyright (c) 1998-2004 John Maddock
+ * Copyright 2011 Garmin Ltd. or its subsidiaries
  *
  * Distributed under the Boost Software License, Version 1.0.
  * (See accompanying file LICENSE_1_0.txt or copy at
@@ -234,7 +234,7 @@ public:
    std::pair<const_iterator, const_iterator> BOOST_REGEX_CALL subexpression(std::size_t n)const
    {
       if(n == 0)
-         throw std::out_of_range("0 is not a valid subexpression index.");
+         boost::throw_exception(std::out_of_range("0 is not a valid subexpression index."));
       const std::pair<std::size_t, std::size_t>& pi = this->m_subs.at(n - 1);
       std::pair<const_iterator, const_iterator> p(expression() + pi.first, expression() + pi.second);
       return p;
@@ -487,7 +487,7 @@ public:
    std::pair<const_iterator, const_iterator> BOOST_REGEX_CALL subexpression(std::size_t n)const
    {
       if(!m_pimpl.get())
-         throw std::logic_error("Can't access subexpressions in an invalid regex.");
+         boost::throw_exception(std::logic_error("Can't access subexpressions in an invalid regex."));
       return m_pimpl->subexpression(n);
    }
    const_iterator BOOST_REGEX_CALL begin()const
diff --git a/boost/regex/v4/cpp_regex_traits.hpp b/boost/regex/v4/cpp_regex_traits.hpp
index cd22bd8..bcae455 100644
--- a/boost/regex/v4/cpp_regex_traits.hpp
+++ b/boost/regex/v4/cpp_regex_traits.hpp
@@ -1,7 +1,7 @@
 /*
  *
- * Copyright (c) 2004
- * John Maddock
+ * Copyright (c) 2004 John Maddock
+ * Copyright 2011 Garmin Ltd. or its subsidiaries
  *
  * Use, modification and distribution are subject to the 
  * Boost Software License, Version 1.0. (See accompanying file 
@@ -511,7 +511,9 @@ typename cpp_regex_traits_implementation<charT>::string_type
    // however at least one std lib will always throw
    // std::bad_alloc for certain arguments...
    //
+#ifndef BOOST_NO_EXCEPTIONS
    try{
+#endif
       //
       // What we do here depends upon the format of the sort key returned by
       // sort key returned by this->transform:
@@ -546,7 +548,9 @@ typename cpp_regex_traits_implementation<charT>::string_type
             result.erase(i);
             break;
       }
+#ifndef BOOST_NO_EXCEPTIONS
    }catch(...){}
+#endif
    while(result.size() && (charT(0) == *result.rbegin()))
       result.erase(result.size() - 1);
    if(result.empty())
@@ -576,7 +580,9 @@ typename cpp_regex_traits_implementation<charT>::string_type
    // std::bad_alloc for certain arguments...
    //
    string_type result;
+#ifndef BOOST_NO_EXCEPTIONS
    try{
+#endif
       result = this->m_pcollate->transform(p1, p2);
       //
       // Borland's STLPort version returns a NULL-terminated
@@ -593,10 +599,12 @@ typename cpp_regex_traits_implementation<charT>::string_type
          result.erase(result.size() - 1);
 #endif
       BOOST_ASSERT(std::find(result.begin(), result.end(), charT(0)) == result.end());
+#ifndef BOOST_NO_EXCEPTIONS
    }
    catch(...)
    {
    }
+#endif
    return result;
 }