orig_lb            53 ompi/mca/io/romio321/romio/mpi2-other/array/darray.c     MPI_Aint orig_extent, orig_lb, size_with_aint;
orig_lb           162 ompi/mca/io/romio321/romio/mpi2-other/array/darray.c     MPI_Type_get_extent(oldtype, &orig_lb, &orig_extent);