| // Copyright (c) 2020, 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. |
| |
| // This test verifies that a block of code that results from promotion to the |
| // `Never` type cannot affect the "definitely unassigned" state of a late |
| // variable, because promotion to `Never` causes the code to be considered |
| // unreachable. |
| |
| // SharedOptions=--enable-experiment=non-nullable |
| |
| main() { |
| late int i; |
| Null n = null; |
| if (n != null) { |
| // n has type `Never`, so this code is unreachable. |
| i = 42; |
| } |
| i; // Variable is definitely unassigned |
| //^ |
| // [analyzer] COMPILE_TIME_ERROR.DEFINITELY_UNASSIGNED_LATE_LOCAL_VARIABLE |
| // [cfe] Non-nullable late variable 'i' without initializer is definitely unassigned. |
| } |
