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-rw-r--r--boost/asio/use_future.hpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/boost/asio/use_future.hpp b/boost/asio/use_future.hpp
index 43f6102e4d..e4ce7f7975 100644
--- a/boost/asio/use_future.hpp
+++ b/boost/asio/use_future.hpp
@@ -78,10 +78,10 @@ private:
/**
* See the documentation for boost::asio::use_future_t for a usage example.
*/
-#if defined(BOOST_ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
-constexpr use_future_t<> use_future;
-#elif defined(BOOST_ASIO_MSVC)
+#if defined(BOOST_ASIO_MSVC)
__declspec(selectany) use_future_t<> use_future;
+#elif defined(BOOST_ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
+constexpr use_future_t<> use_future;
#endif
} // namespace asio