From 75ae238d0caa282e01f871e15dc2e654b36cc99d Mon Sep 17 00:00:00 2001
From: Glen Fernandes <glen.fernandes@gmail.com>
Date: Sun, 8 Jul 2018 12:04:09 -0400
Subject: [PATCH] Use #else instead of #elif BOOST_WORKAROUND

---
 include/boost/core/exchange.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/boost/core/exchange.hpp b/include/boost/core/exchange.hpp
index 89d95fe..5c6469c 100644
--- a/include/boost/core/exchange.hpp
+++ b/include/boost/core/exchange.hpp
@@ -32,7 +32,8 @@ inline T exchange(T& t, const typename detail::exchange_type<T>::type& u)
     t = u;
     return v;
 }
-#elif BOOST_WORKAROUND(BOOST_MSVC, < 1800)
+#else
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1800)
 template<class T>
 inline T exchange(T& t, const typename detail::exchange_type<T>::type& u)
 {
@@ -57,6 +58,7 @@ BOOST_CXX14_CONSTEXPR inline T exchange(T& t, U&& u)
     return v;
 }
 #endif
+#endif
 
 } /* boost */