Could we use a hidden prototype for arguments objects?
On Wed, Jun 25, 2014 at 12:16 PM, <wi...@igalia.com> wrote:
> On 2014/06/25 15:55:05, arv wrote:
>
>> src/array-iterator.js:152: get: ArgumentsIteratorGetter,
>> It is not clear to me why this cannot be a data property?
>>
>
> It would be a per-object memory penalty, unless we can move the property
> into
> the map somehow. If it is in the object, it complicates matters for the
> materializer, and is a not insignificant change implementation-wise.
>
>
> With the current code, what does the descriptor look like for?
>>
>
> Object.getOwnPropertyDescriptor(arguments, Symbol.iterator)
>>
>
> {get: function ArgumentsIteratorGetter() { [native code] }, set: function
> ArgumentsIteratorSetter() { [native code] }, enumerable: false,
> configurable:
> true}
>
>
>
> https://codereview.chromium.org/342453002/
>
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erik
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