kotlin-fork/compiler/testData/diagnostics/tests/controlFlowAnalysis/unusedPropertyWithCustomAccessors.fir.kt

// ISSUE: KT-25527

import kotlin.reflect.KProperty

fun test_1(delegate: Delegate) {
    var p1 by delegate
    p1 = 10

    var p2 by delegate
    p2++

    var p3 by delegate
    ++p3
}

fun test_2() {
    var p1 = 0
    p1 = 10

    var p2: Int
    p2 = 10

    var p3 = 1
    p3++

    var p4 = 1
    ++p4
}

class Delegate {
    var prop: Int = 0

    operator fun getValue(thisRef: Any?, property: KProperty<*>): Int {
        return prop
    }

    operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Int) {
        prop = value
    }
}