From 5e2e0f944e6bd7d16fbf49aef03c9c90f937ae52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ion=20Gazta=C3=B1aga?= <igaztanaga@gmail.com>
Date: Sat, 15 Sep 2018 00:54:16 +0200
Subject: [PATCH] Use BOOST_MAY_ALIAS only for GCC 4.4, as other MSVC, GCC, and
 Clang don't seem to need it.

---
 include/boost/move/core.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/boost/move/core.hpp b/include/boost/move/core.hpp
index 6e7d726..a5703c7 100644
--- a/include/boost/move/core.hpp
+++ b/include/boost/move/core.hpp
@@ -60,7 +60,11 @@
    #define BOOST_MOVE_TO_RV_CAST(RV_TYPE, ARG) reinterpret_cast<RV_TYPE>(ARG)
 
    //Move emulation rv breaks standard aliasing rules so add workarounds for some compilers
-   #define BOOST_MOVE_ATTRIBUTE_MAY_ALIAS BOOST_MAY_ALIAS
+   #if defined(BOOST_GCC) && (BOOST_GCC >= 40400) && (BOOST_GCC < 40500)
+   #define BOOST_RV_ATTRIBUTE_MAY_ALIAS BOOST_MAY_ALIAS
+   #else
+   #define BOOST_RV_ATTRIBUTE_MAY_ALIAS BOOST_MAY_ALIAS
+   #endif
 
    namespace boost {
 
@@ -70,7 +74,7 @@
    //
    //////////////////////////////////////////////////////////////////////////////
    template <class T>
-   class BOOST_MOVE_ATTRIBUTE_MAY_ALIAS rv
+   class BOOST_RV_ATTRIBUTE_MAY_ALIAS rv
       : public ::boost::move_detail::if_c
          < ::boost::move_detail::is_class<T>::value
          , T