data class A(val a: IntArray) {
    <caret>override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (javaClass != other?.javaClass) return false

        other as A

        if (!a.contentEquals(other.a)) return false

        return true
    }

    override fun hashCode(): Int {
        return a.contentHashCode()
    }
}