t_simdata->comm = comm->s_comm; /* FIXME: is the field t_simdata->comm still useful? */
#ifdef HAVE_TRACING
if (TRACE_is_enabled()) {
t_simdata->comm = comm->s_comm; /* FIXME: is the field t_simdata->comm still useful? */
#ifdef HAVE_TRACING
if (TRACE_is_enabled()) {