=== tests/cases/compiler/genericPrototypeProperty2.ts ===
interface EventTarget { x } 
>EventTarget : Symbol(EventTarget, Decl(genericPrototypeProperty2.ts, 0, 0))
>x : Symbol(x, Decl(genericPrototypeProperty2.ts, 0, 23))

class BaseEvent {
>BaseEvent : Symbol(BaseEvent, Decl(genericPrototypeProperty2.ts, 0, 27))

    target: EventTarget;
>target : Symbol(target, Decl(genericPrototypeProperty2.ts, 1, 17))
>EventTarget : Symbol(EventTarget, Decl(genericPrototypeProperty2.ts, 0, 0))
}

class MyEvent<T extends EventTarget> extends BaseEvent {
>MyEvent : Symbol(MyEvent, Decl(genericPrototypeProperty2.ts, 3, 1))
>T : Symbol(T, Decl(genericPrototypeProperty2.ts, 5, 14))
>EventTarget : Symbol(EventTarget, Decl(genericPrototypeProperty2.ts, 0, 0))
>BaseEvent : Symbol(BaseEvent, Decl(genericPrototypeProperty2.ts, 0, 27))

    target: T;
>target : Symbol(target, Decl(genericPrototypeProperty2.ts, 5, 56))
>T : Symbol(T, Decl(genericPrototypeProperty2.ts, 5, 14))
}
class BaseEventWrapper {
>BaseEventWrapper : Symbol(BaseEventWrapper, Decl(genericPrototypeProperty2.ts, 7, 1))

    t: BaseEvent;
>t : Symbol(t, Decl(genericPrototypeProperty2.ts, 8, 24))
>BaseEvent : Symbol(BaseEvent, Decl(genericPrototypeProperty2.ts, 0, 27))
}

class MyEventWrapper extends BaseEventWrapper {
>MyEventWrapper : Symbol(MyEventWrapper, Decl(genericPrototypeProperty2.ts, 10, 1))
>BaseEventWrapper : Symbol(BaseEventWrapper, Decl(genericPrototypeProperty2.ts, 7, 1))

    t: MyEvent<any>; // any satisfies constraint and passes assignability check between 'target' properties
>t : Symbol(t, Decl(genericPrototypeProperty2.ts, 12, 47))
>MyEvent : Symbol(MyEvent, Decl(genericPrototypeProperty2.ts, 3, 1))
}