| // !LANGUAGE: -AbstractClassMemberNotImplementedWithIntermediateAbstractClass | |
| // IGNORE_BACKEND_FIR: JVM_IR | |
| // FIR status: don't support legacy feature | |
| interface A { | |
| fun foo(): Any | |
| } | |
| interface B { | |
| fun foo(): String = "A" | |
| } | |
| open class D: B | |
| open class C: D(), A | |
| fun box(): String { | |
| val a: A = C() | |
| if (a.foo() != "A") return "Fail 1" | |
| if ((a as B).foo() != "A") return "Fail 2" | |
| if ((a as C).foo() != "A") return "Fail 3" | |
| return "OK" | |
| } |