| library /*isNonNullableByDefault*/; | |
| // | |
| // Problems in library: | |
| // | |
| // pkg/front_end/testcases/general/issue43975.dart:5:9: Error: The typedef 'F' has a reference to itself. | |
| // typedef F = void Function<X extends F>() Function(); | |
| // ^ | |
| // | |
| import self as self; | |
| typedef F = invalid-type; | |
| static method main() → void {} |