kotlin-fork/compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/33.fir.kt

// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE -UNUSED_VALUE -VARIABLE_WITH_REDUNDANT_INITIALIZER
// SKIP_TXT

// TESTCASE NUMBER: 1, 2, 3, 4, 5
fun nullableStringArg(number: String?) {}

/*
 * TESTCASE NUMBER: 1
 * UNEXPECTED BEHAVIOUR
 * ISSUES: KT-25453
 */
fun case_1(x: Int?) {
    if (x == null) {
        nullableStringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>)
    }
}

/*
 * TESTCASE NUMBER: 2
 * UNEXPECTED BEHAVIOUR
 * ISSUES: KT-25453
 */
fun case_2(x: Int?, y: Nothing?) {
    if (x == y) {
        nullableStringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>)
    }
}

/*
 * TESTCASE NUMBER: 3
 * UNEXPECTED BEHAVIOUR
 * ISSUES: KT-25453
 */
fun case_3(x: Int?) {
    if (x == null) {
        nullableStringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>)
    }
}

/*
 * TESTCASE NUMBER: 4
 * UNEXPECTED BEHAVIOUR
 * ISSUES: KT-25453
 */
fun case_4(x: Int?) {
    if (x == null) {
        nullableStringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>x<!>)
    }
}

/*
 * TESTCASE NUMBER: 5
 * UNEXPECTED BEHAVIOUR
 * ISSUES: KT-25453
 */
fun case_5(x: Int?) {
    if (x == null) {
        var y = x
        nullableStringArg(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int? & kotlin.Nothing?")!>y<!>)
    }
}