compiler/testData/diagnostics/tests/funInterface/basicFunInterface.kt - third_party/github/JetBrains/kotlin - Git at Google

 // FIR_IDENTICAL
 // !LANGUAGE: +FunctionalInterfaceConversion

 fun interface Foo {
     fun invoke()
 }
	// FIR_IDENTICAL
	// !LANGUAGE: +FunctionalInterfaceConversion

	fun interface Foo {
	fun invoke()
	}