| // Copyright (c) 2018, 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 Base { | |
| void foo() {} | |
| } | |
| class M1 { | |
| void foo( | |
| // Prevent formatter from joining the line below to the one above | |
| {x} | |
| ) {} | |
| } | |
| class BaseWithM1 = Base with M1; | |
| class M2 { | |
| void foo() {} | |
| } | |
| class Derived extends BaseWithM1 with M2 {} | |
| // ^^^^^^^ | |
| // [cfe] Applying the mixin 'M2' to 'BaseWithM1' introduces an erroneous override of 'foo'. | |
| // ^^ | |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_OVERRIDE | |
| main() { | |
| new Derived().foo(); | |
| } |