override17(target=es2015).types

=== tests/cases/conformance/override/override17.ts ===
class A {
>A : A

    public m1(): number {
>m1 : () => number

        return 0;
>0 : 0
    }

    public m2(): number {
>m2 : () => number

        return 0;
>0 : 0
    }

    public m3(): void {}
>m3 : () => void
}

class B extends A {
>B : B
>A : A

    override m1() {
>m1 : () => number

        return 10;
>10 : 10
    }

    override m2(): number {
>m2 : () => number

        return 30;
>30 : 30
    }

    override m3(): void {}
>m3 : () => void
}