compiler/testData/codegen/box/when/noElseExhaustive.kt - third_party/github/JetBrains/kotlin - Git at Google

 enum class En {
     A,
     B
 }

 fun box(): String = when(En.A) {
     En.A -> "OK"
     En.B -> "Fail 1"
 }
	enum class En {
	A,
	B
	}

	fun box(): String = when(En.A) {
	En.A -> "OK"
	En.B -> "Fail 1"
	}