contract C {
  uint constant a = uint(keccak256(abi.encode(d)));
  uint c = uint(keccak256(abi.encode(d)));
  uint constant d = a;
}
// ----
// TypeError 6161: (15-63): The value of the constant a has a cyclic dependency via d.
// TypeError 6161: (110-129): The value of the constant d has a cyclic dependency via a.