open class Base {
    open var x: Int

    open var y: Int

    constructor() {
        <!DEBUG_INFO_LEAKING_THIS!>x<!> = 42
        this.<!DEBUG_INFO_LEAKING_THIS!>y<!> = 24
        val temp = this.<!DEBUG_INFO_LEAKING_THIS!>x<!>
        this.<!DEBUG_INFO_LEAKING_THIS!>x<!> = <!DEBUG_INFO_LEAKING_THIS!>y<!>
        <!DEBUG_INFO_LEAKING_THIS!>y<!> = temp

    }
}