Примеры ошибок, обнаруженных с помощью диагностики V1037

V1037. Two or more case-branches perform the same actions.

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V1037 Two or more case-branches perform the same actions. Check lines: 639, 645 builtins.cpp 639

int compute_compare(const VarDescr& x, const VarDescr& y, int mode) {
  switch (mode) {
    case 1:  // >
      return x.always_greater(y) ? 1 : (x.always_leq(y) ? 2 : 3);
    case 2:  // =
      return x.always_equal(y) ? 1 : (x.always_neq(y) ? 2 : 3);
    case 3:  // >=
      return x.always_geq(y) ? 1 : (x.always_less(y) ? 2 : 3); // <=
    case 4:  // <
      return x.always_less(y) ? 1 : (x.always_geq(y) ? 2 : 3);
    case 5:  // <>
      return x.always_neq(y) ? 1 : (x.always_equal(y) ? 2 : 3);
    case 6:  // >=
      return x.always_geq(y) ? 1 : (x.always_less(y) ? 2 : 3); // <=
    case 7:  // <=>
      return x.always_less(y)
                 ? 1
                 : (x.always_equal(y)
                        ? 2
                        : (x.always_greater(y)
                               ? 4
                               : (x.always_leq(y)
                                      ? 3
                                      : (x.always_geq(y)
                                            ? 6
                                            : (x.always_neq(y) ? 5 : 7)))));
    default:
      return 7;
  }
}