From 43df21bca152f9b94eb6d6c9019f61ae04d93101 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Sat, 9 Feb 2002 12:07:53 +0000
Subject: [PATCH] Fixed incorrect iterator use - assumed random access iterator
 in one place rather than bidirectional.

[SVN r12768]
---
 include/boost/regex/detail/regex_match.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/regex/detail/regex_match.hpp b/include/boost/regex/detail/regex_match.hpp
index 6fa3088f..5e23d11d 100644
--- a/include/boost/regex/detail/regex_match.hpp
+++ b/include/boost/regex/detail/regex_match.hpp
@@ -1271,7 +1271,7 @@ unsigned int reg_grep2(Predicate foo, I first, I last, const reg_expression<char
             {
                _skip_and_dec(clines, last_line, first, base, j);
                restart = first;
-               restart += len;
+               std::advance(restart, len);
                m.set_first(first);
                m.set_second(restart);
                m.set_line(clines, last_line);