kotlin-fork/compiler/testData/diagnostics/testsWithStdLib/smartcasts/lazyDeclaresAndModifies.fir.kt

class My(val x: Int?) {
    val y: Int? by lazy {
        var z = x
        while (z != null) {
            z = z.hashCode()
            if (z < 0) return@lazy z
            if (z == 0) z = null
        }
        return@lazy null
    }
}