| // Copyright (c) 2026, 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. |
| |
| class A { |
| void foo({String s = 'hi'}) { |
| print(s); |
| } |
| } |
| |
| class B extends A { |
| @override |
| void foo({String s = 'there'}) { |
| print(s); |
| } |
| } |
| |
| A getA(int x) { |
| if (x < 10) { |
| return B(); |
| } else { |
| // A is instantiated but the type cannot flow into a 'foo' call so A.foo's |
| // body is not reachable. |
| throw 'here'; |
| return A(); |
| } |
| } |
| |
| void main() { |
| getA(9).foo(); |
| // Ensure the default value is not inlined into the function. |
| getA(8).foo(s: 'wow'); |
| } |