ref: 4959ae65d686d2ad095cff104428040f65bb05fa dir: /tests/cc/execute/0056-enum.c/
enum E { x, y = 2, z, }; int main() { enum E e; if(x != 0) return 1; if(y != 2) return 2; if(z != 3) return 3; e = x; return e; }