blob: c29c347be22cb2285e901ab7cb34d2dd2fbfd981 [file] [log] [blame]
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.9
class A {
void foo() {}
abstract class B extends A {
// If this class were concrete, there would be a problem, since `new
// B().foo(42)` would be statically allowed, but would lead to invalid
// arguments being passed to But since the class is abstract, there is
// no problem.
void foo([x]);
class C extends B {
void foo([x]) {
// But it is a problem to try to pass `x` along to super, since the super
// method is*@compile-error=unspecified*/ x);
void f(B b) {;
main() {
f(new C());