=== tests/cases/conformance/override/override12.ts ===
class A {
>A : Symbol(A, Decl(override12.ts, 0, 0))

    public m1(): number {
>m1 : Symbol(A.m1, Decl(override12.ts, 0, 9))

        return 0;
    }

    public m2(): number {
>m2 : Symbol(A.m2, Decl(override12.ts, 3, 5))

        return 0;
    }

    public m3(): void {}
>m3 : Symbol(A.m3, Decl(override12.ts, 7, 5))
}

class B extends A {
>B : Symbol(B, Decl(override12.ts, 10, 1))
>A : Symbol(A, Decl(override12.ts, 0, 0))

    override m1() {
>m1 : Symbol(B.m1, Decl(override12.ts, 12, 19))

        return 10;
    }

    override m2(): number {
>m2 : Symbol(B.m2, Decl(override12.ts, 15, 5))

        return 30;
    }

    override m3(): void {}
>m3 : Symbol(B.m3, Decl(override12.ts, 19, 5))
}