compiler/testData/diagnostics/tests/enum/isEnumEntry.fir.kt - third_party/github/JetBrains/kotlin - Git at Google

 enum class MyEnum {
     FIRST,
     SECOND
 }

 fun foo(me: MyEnum): Boolean = me is <!IS_ENUM_ENTRY!>MyEnum.FIRST<!>
	enum class MyEnum {
	FIRST,
	SECOND
	}

	fun foo(me: MyEnum): Boolean = me is <!IS_ENUM_ENTRY!>MyEnum.FIRST<!>