// ISSUE: KT-47989 // CHECK_TYPE_WITH_EXACT fun test() { val buildee = build { object: TypeSourceInterface { override fun produceTargetTypeBuildee() = this@build } } // exact type equality check — turns unexpected compile-time behavior into red code // considered to be non-user-reproducible code for the purposes of these tests checkExactType<Buildee>(buildee) } class TargetType interface TypeSourceInterface { fun produceTargetTypeBuildee(): Buildee } class Buildee fun build(instructions: Buildee.() -> Unit): Buildee { return Buildee().apply(instructions) }