| pkg/front_end/testcases/inference/type_promotion_stopped_by_assignment_in_scope.dart:10:9: Context: Possible promotion of n@279 | |
| if (n is int) { | |
| ^^ | |
| pkg/front_end/testcases/inference/type_promotion_stopped_by_assignment_in_scope.dart:12:7: Context: Write to n@279 | |
| n = null; | |
| ^ |