ref: 0860ef11851c91d24450bafb7d57b539f5dbc87d 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; }