From 7e9909324a9b04ac768e34a28b0cd2422cacbe92 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Fri, 4 May 2018 20:03:59 +0100
Subject: [PATCH] Fix missing #pragma warning(pop)'s for msvc Fixes
 https://github.com/boostorg/type_traits/issues/68

---
 include/boost/type_traits/has_minus.hpp        | 4 ++++
 include/boost/type_traits/has_minus_assign.hpp | 4 ++++
 include/boost/type_traits/has_plus_assign.hpp  | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/include/boost/type_traits/has_minus.hpp b/include/boost/type_traits/has_minus.hpp
index ba47253..6744f72 100644
--- a/include/boost/type_traits/has_minus.hpp
+++ b/include/boost/type_traits/has_minus.hpp
@@ -149,5 +149,9 @@ namespace boost
 #undef BOOST_TT_TRAIT_OP
 #undef BOOST_TT_FORBIDDEN_IF
 
+#if defined(BOOST_MSVC)
+#   pragma warning (pop)
+#endif
+
 #endif
 #endif
diff --git a/include/boost/type_traits/has_minus_assign.hpp b/include/boost/type_traits/has_minus_assign.hpp
index 4f3d84f..a944ffa 100644
--- a/include/boost/type_traits/has_minus_assign.hpp
+++ b/include/boost/type_traits/has_minus_assign.hpp
@@ -154,5 +154,9 @@ namespace boost
 #undef BOOST_TT_TRAIT_OP
 #undef BOOST_TT_FORBIDDEN_IF
 
+#if defined(BOOST_MSVC)
+#   pragma warning (pop)
+#endif
+
 #endif
 #endif
diff --git a/include/boost/type_traits/has_plus_assign.hpp b/include/boost/type_traits/has_plus_assign.hpp
index b4d05ad..66d6c31 100644
--- a/include/boost/type_traits/has_plus_assign.hpp
+++ b/include/boost/type_traits/has_plus_assign.hpp
@@ -152,5 +152,9 @@ namespace boost
 #undef BOOST_TT_TRAIT_OP
 #undef BOOST_TT_FORBIDDEN_IF
 
+#if defined(BOOST_MSVC)
+#   pragma warning (pop)
+#endif
+
 #endif
 #endif