digraph "ABI diff" {
  "0" [shape=rectangle, label="'interface'"]
  "1" [label="'struct A z'"]
  "2" [shape=rectangle, label="'struct A'"]
  "3" [color=red, label="added(struct { int x; int y; })"]
  "2" -> "3" [label=""]
  "4" [color=red, label="removed(int x)"]
  "2" -> "4" [label=""]
  "5" [color=red, label="removed(int y)"]
  "2" -> "5" [label=""]
  "6" [color=red, label="added(char p)"]
  "2" -> "6" [label=""]
  "7" [color=red, label="added(char s)"]
  "2" -> "7" [label=""]
  "8" [color=red, label="removed(struct { char p; char q; })"]
  "2" -> "8" [label=""]
  "1" -> "2" [label=""]
  "0" -> "1" [label=""]
}