// For mutable collections and related types (e.g., MutableList, MutableListIterator) // 'as?' should be generated as a single 'safeAs...' intrinsic call // without instanceof or 'is...'. inline fun safeAs(x: Any): T? { return x as? T } fun test() { val x: Any = arrayListOf("abc", "def") safeAs>(x)?.clear() } // 0 INSTANCEOF java/util/List // 1 INVOKESTATIC kotlin/jvm/internal/TypeIntrinsics\.isMutableList // 0 INVOKESTATIC kotlin/jvm/internal/TypeIntrinsics\.safeAsMutableList // 1 CHECKCAST java/util/List