=== tests/cases/compiler/genericPrototypeProperty3.ts ===
class BaseEvent {
>BaseEvent : Symbol(BaseEvent, Decl(genericPrototypeProperty3.ts, 0, 0))

    target: {};
>target : Symbol(target, Decl(genericPrototypeProperty3.ts, 0, 17))
}

class MyEvent<T> extends BaseEvent { // T is instantiated to any in the prototype, which is assignable to {}
>MyEvent : Symbol(MyEvent, Decl(genericPrototypeProperty3.ts, 2, 1))
>T : Symbol(T, Decl(genericPrototypeProperty3.ts, 4, 14))
>BaseEvent : Symbol(BaseEvent, Decl(genericPrototypeProperty3.ts, 0, 0))

    target: T;
>target : Symbol(target, Decl(genericPrototypeProperty3.ts, 4, 36))
>T : Symbol(T, Decl(genericPrototypeProperty3.ts, 4, 14))
}
class BaseEventWrapper {
>BaseEventWrapper : Symbol(BaseEventWrapper, Decl(genericPrototypeProperty3.ts, 6, 1))

    t: BaseEvent;
>t : Symbol(t, Decl(genericPrototypeProperty3.ts, 7, 24))
>BaseEvent : Symbol(BaseEvent, Decl(genericPrototypeProperty3.ts, 0, 0))
}

class MyEventWrapper extends BaseEventWrapper {
>MyEventWrapper : Symbol(MyEventWrapper, Decl(genericPrototypeProperty3.ts, 9, 1))
>BaseEventWrapper : Symbol(BaseEventWrapper, Decl(genericPrototypeProperty3.ts, 6, 1))

    t: MyEvent<any>;
>t : Symbol(t, Decl(genericPrototypeProperty3.ts, 11, 47))
>MyEvent : Symbol(MyEvent, Decl(genericPrototypeProperty3.ts, 2, 1))
}