On 2015/09/29 21:49:18, adamk wrote:
On 2015/09/29 21:48:28, adamk wrote:
> On 2015/07/18 07:59:19, Toon Verwaest wrote:
> > What about setting a bit on symbols whether they are "absent on access
check
> > failure", and extend GetProperty(Attributes)WithFailedAccessCheck to
also
> handle
> > such symbols in addition to all_can_read accessors and interceptors?
That
way
> it
> > becomes very easy to support a new symbol by just setting the bit,
and the
> logic
> > isn't spread throughout the system but localized to those 2 methods.
>
> Caitlin, would you be interested in implementing Toon's suggestion
here? I'd
be
> happy to pick it up myself.
I should add: it sounds to me like this is what SpiderMonkey is planning
on
doing, and it it least works fine for @@isConcatSpreadable (not sure if
it's
sufficient for @@toStringTag; depends on what behavior we want for
toString on
cross-domain frames).
I'll work on it Thursday
https://codereview.chromium.org/1230793002/
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