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-rw-r--r--boost/fusion/view/single_view/detail/distance_impl.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/fusion/view/single_view/detail/distance_impl.hpp b/boost/fusion/view/single_view/detail/distance_impl.hpp
index 73231b4152..9cd85fdc31 100644
--- a/boost/fusion/view/single_view/detail/distance_impl.hpp
+++ b/boost/fusion/view/single_view/detail/distance_impl.hpp
@@ -30,7 +30,7 @@ namespace boost { namespace fusion
typedef typename mpl::minus<typename Last::position,
typename First::position>::type type;
- BOOST_FUSION_GPU_ENABLED
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
call(First const& /*first*/, Last const& /*last*/)
{