//KT-1572 Frontend doesn't mark all vars included in closure as refs.

class A(val t : Int) {}

fun testKt1572() : Boolean {
    var a = A(0)
    var b = A(3)
    val changer = {a = b}
    b = A(10) // this change has no effect on changer
    changer()
    return (a.t == 10)
}

fun testPrimitives() : Boolean {
    var a = 0
    var b = 3
    val changer = {a = b}
    b = 10
    changer()
    return (a == 10)
}

fun box() = if (testKt1572() && testPrimitives()) "OK" else "fail"