// CS0660: `T' defines operator == or operator != but does not override Object.Equals(object o)
// Line: 5
// Compiler options: -warnaserror -warn:3

class T
{
        public static bool operator == (object o, T t)
        {
            return false;
        }

        public static bool operator != (object o, T t)
        {
            return true;
        }
        
        public override int GetHashCode ()
        {
            return base.GetHashCode ();
        }
}