tests/cases/conformance/override/override2.ts(13,14): error TS4116: This member must have an 'override' modifier because it overrides an abstract method that is declared in the base class 'AB'.
tests/cases/conformance/override/override2.ts(18,14): error TS4116: This member must have an 'override' modifier because it overrides an abstract method that is declared in the base class 'AB'.


==== tests/cases/conformance/override/override2.ts (2 errors) ====
    abstract class AB {
        abstract foo(v: string): void;
    
        abstract bar(v: string): void;
        abstract baz(v: string): void;
    }
    
    abstract class AD1 extends AB {
    
    }
    
    abstract class AD2 extends AB {
        abstract foo(v: ''): void // need override?
                 ~~~
!!! error TS4116: This member must have an 'override' modifier because it overrides an abstract method that is declared in the base class 'AB'.
    }
    
    abstract class AD3 extends AB {
        override foo(v: ''): void { } // need override?
        abstract bar(): void;
                 ~~~
!!! error TS4116: This member must have an 'override' modifier because it overrides an abstract method that is declared in the base class 'AB'.
        baz(): void { }
    }
    
    class D4 extends AB {
        override foo(v: ''): void {}
        override bar(v: ''): void {}
        baz(): void { }
    }