kotlin-fork/compiler/testData/diagnostics/tests/regressions/Jet121.kt

// FIR_IDENTICAL
package jet121

fun box() : String {
val answer = apply("OK") {
  get(0)
  length
}

return if (answer == 2) "OK" else "FAIL"
}

fun apply(arg:String, f :  String.() -> Int) : Int {
  return arg.f()
}