kotlin-fork/compiler/testData/diagnostics/tests/dataClasses/extensionComponentsOnNullable.fir.kt

// !WITH_NEW_INFERENCE
class Data<T>(val x: T, val y: T)

operator fun <T> Data<T>.component1() = x

operator fun <T> Data<T>.component2() = y

fun foo(): Int {
    val d: Data<Int>? = null
    // An error must be here
    val (<!INAPPLICABLE_CANDIDATE!>x<!>, <!INAPPLICABLE_CANDIDATE!>y<!>) = d
    return x + y
}

data class NormalData<T>(val x: T, val y: T)

fun bar(): Int {
    val d: NormalData<Int>? = null
    // An error must be here
    val (<!INAPPLICABLE_CANDIDATE!>x<!>, <!INAPPLICABLE_CANDIDATE!>y<!>) = d
    return x + y
}