kotlin-fork/compiler/testData/diagnostics/tests/smartCasts/varnotnull/assignment.kt

fun foo() {
    var v: String? = null
    v<!UNSAFE_CALL!>.<!>length
    v = "abc"
    <!DEBUG_INFO_SMARTCAST!>v<!>.length
    v = null
    <!ALWAYS_NULL!>v<!><!UNSAFE_CALL!>.<!>length
    v = "abc"
    <!DEBUG_INFO_SMARTCAST!>v<!>.length
}