=== tests/cases/compiler/extendAndImplementTheSameBaseType.ts ===
class C {
>C : C, Symbol(C, Decl(extendAndImplementTheSameBaseType.ts, 0, 0))

    foo: number
>foo : number, Symbol(foo, Decl(extendAndImplementTheSameBaseType.ts, 0, 9))

    bar() {}
>bar : () => void, Symbol(bar, Decl(extendAndImplementTheSameBaseType.ts, 1, 15))
}
class D extends C implements C {
>D : D, Symbol(D, Decl(extendAndImplementTheSameBaseType.ts, 3, 1))
>C : C, Symbol(C, Decl(extendAndImplementTheSameBaseType.ts, 0, 0))
>C : C, Symbol(C, Decl(extendAndImplementTheSameBaseType.ts, 0, 0))

    baz() { }
>baz : () => void, Symbol(baz, Decl(extendAndImplementTheSameBaseType.ts, 4, 32))
}

var c: C;
>c : C, Symbol(c, Decl(extendAndImplementTheSameBaseType.ts, 8, 3))
>C : C, Symbol(C, Decl(extendAndImplementTheSameBaseType.ts, 0, 0))

var d: D = new D();
>d : D, Symbol(d, Decl(extendAndImplementTheSameBaseType.ts, 9, 3))
>D : D, Symbol(D, Decl(extendAndImplementTheSameBaseType.ts, 3, 1))
>new D() : D
>D : typeof D, Symbol(D, Decl(extendAndImplementTheSameBaseType.ts, 3, 1))

d.bar();
>d.bar() : void
>d.bar : () => void, Symbol(C.bar, Decl(extendAndImplementTheSameBaseType.ts, 1, 15))
>d : D, Symbol(d, Decl(extendAndImplementTheSameBaseType.ts, 9, 3))
>bar : () => void, Symbol(C.bar, Decl(extendAndImplementTheSameBaseType.ts, 1, 15))

d.baz();
>d.baz() : void
>d.baz : () => void, Symbol(D.baz, Decl(extendAndImplementTheSameBaseType.ts, 4, 32))
>d : D, Symbol(d, Decl(extendAndImplementTheSameBaseType.ts, 9, 3))
>baz : () => void, Symbol(D.baz, Decl(extendAndImplementTheSameBaseType.ts, 4, 32))

d.foo;
>d.foo : number, Symbol(C.foo, Decl(extendAndImplementTheSameBaseType.ts, 0, 9))
>d : D, Symbol(d, Decl(extendAndImplementTheSameBaseType.ts, 9, 3))
>foo : number, Symbol(C.foo, Decl(extendAndImplementTheSameBaseType.ts, 0, 9))