switch parser bug

// valac 0.15.2 complains with ... :7.2-9.31: error: missing break statement at end of switch section

enum CheckType {
    A, B, C;
}

static bool checkIt(CheckType ct, int v)
{
    switch (ct)        // Complains here!!
    {
    case CheckType.A: return true;

    case CheckType.B:
        if (v == 0) break;
    // Fall thru
    case CheckType.C:
        if (v > 3) return false;
    break;
    }
    return true;
}

void main(string[] args)
{
    bool res = checkIt(CheckType.B, args.length);
    stdout.printf("Result is %s\n", res.to_string());
}