Destructuring: Add early errors for empty patterns?

[Andreas Rossberg]

On 21 October 2015 at 20:19, Standards Zakas
<standards at nczconsulting.com> wrote:
> In playing with destructuring, it seems like there are some syntax gotchas
> that really should trigger some sort of error and instead fail silently. For
> instance:
>
> ```
> let {} = foo;
> ```
>
> This line does absolutely nothing

Not true. It checks that foo converts to an object, which may throw a
type error for null or undefined.

/Andreas