message: Don't print Storage{Live,Dead} as comment in debug clif
diff: @@ -254,8 +254,13 @@ fn trans_stmt<'a, 'tcx: 'a>(
  ) {
  let _print_guard = PrintOnPanic(|| format!("stmt {:?}", stmt));
  + match &stmt.kind {
  + StatementKind::StorageLive(..) | StatementKind::StorageDead(..) => {} // Those are not very useful
  + _ => {
  let inst = fx.bcx.func.layout.last_inst(cur_ebb).unwrap();
  fx.add_comment(inst, format!("{:?}", stmt));
  + }
  + }
  match &stmt.kind {
  StatementKind::SetDiscriminant {
  