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

// KT-9051: Allow smart cast for captured variables if they are not modified

fun foo(y: String?) {
    var x: String? = null
    y?.let { x = it }
    x.<!INAPPLICABLE_CANDIDATE!>length<!> // Smart cast is not possible
}