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-rw-r--r--boost/mpi/collectives/scan.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/mpi/collectives/scan.hpp b/boost/mpi/collectives/scan.hpp
index 9264838ae8..a840436c7e 100644
--- a/boost/mpi/collectives/scan.hpp
+++ b/boost/mpi/collectives/scan.hpp
@@ -67,7 +67,7 @@ namespace detail {
scan_impl(const communicator& comm, const T* in_values, int n, T* out_values,
Op op, mpl::false_ /*is_mpi_op*/, mpl::true_ /*is_mpi_datatype*/)
{
- user_op<Op, T> mpi_op(op);
+ user_op<Op, T> mpi_op;
BOOST_MPI_CHECK_RESULT(MPI_Scan,
(const_cast<T*>(in_values), out_values, n,
boost::mpi::get_mpi_datatype<T>(*in_values),