From 9150db8f0f8012bddbc70d928f7391058c5c99b2 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Wed, 7 Mar 2012 09:28:11 +0000
Subject: [PATCH] Apply Michel Morin's decltype patch.

[SVN r77256]
---
 include/boost/config/compiler/clang.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/boost/config/compiler/clang.hpp b/include/boost/config/compiler/clang.hpp
index 1b7fd926..9f1c2cd1 100644
--- a/include/boost/config/compiler/clang.hpp
+++ b/include/boost/config/compiler/clang.hpp
@@ -44,7 +44,9 @@
 #  define BOOST_NO_DECLTYPE
 #endif
 
-#define BOOST_NO_DECLTYPE_N3276
+#if !__has_feature(__cxx_decltype__)
+#  define BOOST_NO_DECLTYPE_N3276
+#endif
 
 #if !__has_feature(cxx_defaulted_functions)
 #  define BOOST_NO_DEFAULTED_FUNCTIONS