From 6c181b02ba52ae63ddd4d2037a7a6a6061c8f7d9 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Fri, 10 Jun 2011 17:17:14 +0000
Subject: [PATCH] Add some typecasts to prevent copying a buffer twice (makes
 sure we find the correct overload of assign).

[SVN r72541]
---
 include/boost/regex/v4/basic_regex.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/regex/v4/basic_regex.hpp b/include/boost/regex/v4/basic_regex.hpp
index 53b7bcaa..1e71877e 100644
--- a/include/boost/regex/v4/basic_regex.hpp
+++ b/include/boost/regex/v4/basic_regex.hpp
@@ -398,7 +398,7 @@ public:
       typedef typename traits::string_type seq_type;
       seq_type a(arg_first, arg_last);
       if(a.size())
-         assign(&*a.begin(), &*a.begin() + a.size(), f);
+         assign(static_cast<const charT*>(&*a.begin()), static_cast<const charT*>(&*a.begin() + a.size()), f);
       else
          assign(static_cast<const charT*>(0), static_cast<const charT*>(0), f);
    }