message: Increase spacing among nodes
diff: @@ -27,7 +27,7 @@ impl GraphDot for SSAStorage {
  fn configure(&self) -> String {
  - "digraph cfg {\nsplines=\"ortho\";\ngraph [fontsize=12 fontname=\"Verdana\" compound=true \
  + "digraph cfg {\nsplines=\"ortho\"\nranksep=1\nnodesep=1;\ngraph [fontsize=12 fontname=\"Verdana\" compound=true \
  rankdir=TB;]\n"
  .to_owned()
  }
  