From bf551ad8c9c1bbb1fd70c60a53de68f4683d8195 Mon Sep 17 00:00:00 2001
From: Antony Polukhin <antoshkka@gmail.com>
Date: Tue, 27 Aug 2013 07:51:27 +0000
Subject: [PATCH] Delay character trait extraction (refs #9046)

[SVN r85483]
---
 include/boost/lexical_cast.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/boost/lexical_cast.hpp b/include/boost/lexical_cast.hpp
index ccbe95f..0366e1c 100644
--- a/include/boost/lexical_cast.hpp
+++ b/include/boost/lexical_cast.hpp
@@ -584,9 +584,9 @@ namespace boost {
 
             typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
                 boost::detail::extract_char_traits<char_type, Target>::value,
-                BOOST_DEDUCED_TYPENAME boost::detail::extract_char_traits<char_type, Target>::trait_t,
-                BOOST_DEDUCED_TYPENAME boost::detail::extract_char_traits<char_type, no_cv_src>::trait_t
-            >::type traits;
+                BOOST_DEDUCED_TYPENAME boost::detail::extract_char_traits<char_type, Target>,
+                BOOST_DEDUCED_TYPENAME boost::detail::extract_char_traits<char_type, no_cv_src>
+            >::type::trait_t traits;
 
             typedef boost::type_traits::ice_and<
                 boost::is_same<char, src_char_t>::value,                                  // source is not a wide character based type
@@ -653,7 +653,7 @@ namespace boost {
             BOOST_STATIC_ASSERT(!std::numeric_limits<T>::is_signed);
 #endif
 
-            typedef typename Traits::int_type int_type;
+            typedef BOOST_DEDUCED_TYPENAME Traits::int_type int_type;
             CharT const czero = lcast_char_constants<CharT>::zero;
             int_type const zero = Traits::to_int_type(czero);
             BOOST_DEDUCED_TYPENAME boost::mpl::if_c<