ref: 92527b4272eb9d8ff6c074a3e4c3c3515cc6d2f5 dir: /tests/0055-enum.c/
enum E { x, y, z, }; int main() { enum E e; if(x != 0) return 1; if(y != 1) return 2; if(z != 2) return 3; e = x; return e; }