Are the default Symbol.species accessors intended to be configurable?

Keith Miller keith_miller at
Wed Feb 10 19:31:14 UTC 2016

Ah, I missed that section. Thanks!

> On Feb 10, 2016, at 11:29 AM, Kevin Smith <zenparsing at> wrote:
> Is this a correct reading of the spec? Is this a bug in the spec? <> tests that the RegExp[Symbol.species] property is configurable. Additionally, it appears to break at least one major webpage if RegExp[Symbol.species] is not configurable.
> Check out the last two paragraphs of <>,  which specifies the default property attributes for the standard built-ins.

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