When template parameter is used, the file name and line number don't appear in the error message.
$ jsx test.jsx
class should be declared as 'abstract' since the following members do not have concrete definition: Base#method()
abstract class Base {
abstract function method() : void;
}
class Child.<T> extends Base {
}
class GrandChild extends Child.<int> {
override function method() : void {}
}
When template parameter is used, the file name and line number don't appear in the error message.