From c1fea895c21a0b657e7797b8fbe25e5bf9086821 Mon Sep 17 00:00:00 2001
From: Nikita Kniazev <nok.raven@gmail.com>
Date: Fri, 17 Aug 2018 01:36:56 +0300
Subject: [PATCH] Update decltype(expr)::type WA for Clang 3.0

---
 include/boost/fusion/support/config.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/boost/fusion/support/config.hpp b/include/boost/fusion/support/config.hpp
index d27266ed..21630f3d 100644
--- a/include/boost/fusion/support/config.hpp
+++ b/include/boost/fusion/support/config.hpp
@@ -99,7 +99,9 @@ namespace std
 
 // Workaround for compiler which doesn't compile decltype(expr)::type.
 // It expects decltype(expr) deduced as mpl::identity<T>.
-#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1913)) || BOOST_WORKAROUND(BOOST_GCC, < 40700)
+#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1913)) || \
+    BOOST_WORKAROUND(BOOST_GCC, < 40700) || \
+    defined(BOOST_CLANG) && (__clang_major__ == 3 && __clang_minor__ == 0)
 #   include <boost/mpl/identity.hpp>
 #   define BOOST_FUSION_IDENTIFIED_TYPE(parenthesized_expr) \
         boost::mpl::identity<decltype parenthesized_expr>::type::type