// FIX: Generate equals & hashCode by identity

abstract class Base {
    open val prop: Int
        get() = 13
}

sealed class SC : Base() {
    class U : SC() {
        override fun equals(other: Any?): Boolean {
            return this === other
        }

        override fun hashCode(): Int {
            return System.identityHashCode(this)
        }
    }

    override val prop: Int
        get() = 42
}