// WITH_STDLIB

open class GrandParent {
    override fun equals(renamed: Any?): Boolean {
        return super.equals(renamed)
    }
}

open class Parent() : GrandParent()

data class A(val a: IntArray) : Parent() {
    override fun equals(renamed: Any?): Boolean {
        if (this === renamed) return true
        if (javaClass != renamed?.javaClass) return false
        if (!super.equals(renamed)) return false

        renamed as A

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

        return true
    }

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