From 6a9b7f314d44b318e9d3bec7143f20544d25cc6d Mon Sep 17 00:00:00 2001
From: Kohei Takahashi <flast@flast.jp>
Date: Wed, 4 Oct 2017 01:13:26 +0900
Subject: [PATCH] Remove unnecessary base check.

fusion::tuple doesn't inherit from fusion::vector now.
---
 include/boost/fusion/container/vector/vector.hpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/include/boost/fusion/container/vector/vector.hpp b/include/boost/fusion/container/vector/vector.hpp
index 62d2445e..edce8d7e 100644
--- a/include/boost/fusion/container/vector/vector.hpp
+++ b/include/boost/fusion/container/vector/vector.hpp
@@ -306,13 +306,11 @@ namespace boost { namespace fusion
 
         template <
             typename Sequence
-          , typename Sequence_ = typename remove_reference<Sequence>::type
-          , typename = typename boost::enable_if_c<(
-                !is_base_of<vector, Sequence_>::value &&
+          , typename = typename boost::enable_if_c<
                 vector_detail::is_longer_sequence<
-                    Sequence_, sizeof...(T)
+                    typename remove_reference<Sequence>::type, sizeof...(T)
                 >::value
-            )>::type
+            >::type
         >
         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
         vector(Sequence&& seq)