
origin_datatype and target_datatype might be different and hence have different extent, so use either origin_extent or target_extent when appropriate. Refs open-mpi/ompi#3569 Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
origin_datatype and target_datatype might be different and hence have different extent, so use either origin_extent or target_extent when appropriate. Refs open-mpi/ompi#3569 Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>