From 62f5ccac5368b918e6ea81034faa4e0fd6972ab2 Mon Sep 17 00:00:00 2001
From: Kohei Takahashi <flast@flast.jp>
Date: Sat, 14 Oct 2017 03:16:44 +0900
Subject: [PATCH] Fixed compile error on copy construction.

---
 include/boost/fusion/container/deque/detail/cpp03/deque.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/boost/fusion/container/deque/detail/cpp03/deque.hpp b/include/boost/fusion/container/deque/detail/cpp03/deque.hpp
index 54b57c90..11bf40a8 100644
--- a/include/boost/fusion/container/deque/detail/cpp03/deque.hpp
+++ b/include/boost/fusion/container/deque/detail/cpp03/deque.hpp
@@ -24,6 +24,8 @@
 #include <boost/preprocessor/repetition/enum_binary_params.hpp>
 #include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
 #include <boost/type_traits/is_convertible.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/remove_reference.hpp>
 
 #include <boost/fusion/container/deque/deque_fwd.hpp>
 #include <boost/fusion/container/deque/detail/value_at_impl.hpp>
@@ -135,6 +137,10 @@ FUSION_HASH if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
         BOOST_FUSION_GPU_ENABLED
         explicit deque(T0_&& t0
           , typename enable_if<is_convertible<T0_, T0>, detail::enabler_>::type = detail::enabler
+          , typename disable_if_c<
+                boost::is_same<deque const, typename boost::remove_reference<T0_>::type const>::value
+              , detail::enabler_
+            >::type = detail::enabler
          )
             : base(BOOST_FUSION_FWD_ELEM(T0_, t0), detail::nil_keyed_element())
             {}