compiler/testData/codegen/box/functions/infixRecursiveCall.kt - third_party/github/JetBrains/kotlin - Git at Google

 infix fun Int.test(x : Int) : Int {
     if (this > 1) {
         return (this - 1) test x
     }
     return this
 }

 fun box() : String = if (10.test(10) == 1) "OK" else "FAIL"
	infix fun Int.test(x : Int) : Int {
	if (this > 1) {
	return (this - 1) test x
	}
	return this
	}

	fun box() : String = if (10.test(10) == 1) "OK" else "FAIL"