| // IGNORE_BACKEND_FIR: JVM_IR | |
| interface Trait { | |
| fun foo() = "O" | |
| fun bar(): String | |
| } | |
| class SimpleClass : Trait { | |
| override fun bar() = "K" | |
| } | |
| // Delegating 'toString' doesn't work, see KT-9519 | |
| class ComplexClass : Trait by SimpleClass() { | |
| fun qux() = foo() + bar() | |
| } | |
| fun box() = ComplexClass().qux() |