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Diffstat (limited to 'boost/archive/detail/polymorphic_oarchive_route.hpp')
-rw-r--r--boost/archive/detail/polymorphic_oarchive_route.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/archive/detail/polymorphic_oarchive_route.hpp b/boost/archive/detail/polymorphic_oarchive_route.hpp
index f1b20f8bf1..9211df2aa7 100644
--- a/boost/archive/detail/polymorphic_oarchive_route.hpp
+++ b/boost/archive/detail/polymorphic_oarchive_route.hpp
@@ -2,7 +2,7 @@
#define BOOST_ARCHIVE_DETAIL_POLYMORPHIC_OARCHIVE_ROUTE_HPP
// MS compatible compilers support #pragma once
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
# pragma once
#endif