kotlin-fork/compiler/testData/codegen/boxWithStdlib/regressions/kt3442.kt

fun box(): String {
    val m = hashMapOf<String, String?>()
    m.put("b", null)
    val oldValue = m.getOrPut("b", { "Foo" })
    return if (oldValue == null) "OK" else "fail: $oldValue"
}