From cbb9fecd92228c1ee62af3622ae1e5ab3a93c35a Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Fri, 14 Sep 2018 17:40:36 +0100
Subject: [PATCH] Fix #pragma push/pop mismatch in is_virtual_base_of.hpp Fixes
 https://github.com/boostorg/type_traits/issues/91.

---
 include/boost/type_traits/is_virtual_base_of.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/boost/type_traits/is_virtual_base_of.hpp b/include/boost/type_traits/is_virtual_base_of.hpp
index c3d7684..60ffbc8 100644
--- a/include/boost/type_traits/is_virtual_base_of.hpp
+++ b/include/boost/type_traits/is_virtual_base_of.hpp
@@ -127,10 +127,6 @@ namespace boost {
       BOOST_STATIC_CONSTANT(bool, value = imp::value);
    };
 
-#ifdef BOOST_MSVC
-#pragma warning( pop )
-#endif
-
 } // namespace detail
 
 template <class Base, class Derived> struct is_virtual_base_of : public integral_constant<bool, (::boost::detail::is_virtual_base_of_impl2<Base, Derived>::value)> {};
@@ -141,6 +137,10 @@ template <class Base, class Derived> struct is_virtual_base_of<Base&, Derived> :
 template <class Base, class Derived> struct is_virtual_base_of<Base, Derived&> : public false_type{};
 template <class Base, class Derived> struct is_virtual_base_of<Base&, Derived&> : public false_type{};
 
+#ifdef BOOST_MSVC
+#pragma warning( pop )
+#endif
+
 } // namespace boost
 
 #endif