On 2015/07/08 21:09:56, caitp wrote:
On 2015/07/08 21:01:55, Dan Ehrenberg wrote:

What specifically breaks WRT isConcatSpreadable? Iirc we have confidence
there's
no missing AC security issue, and it should be pretty close to spec. I'll take
a
look in a little bit

I have no idea. Unless someone looks up Symbol.isConcatSpreadable and assigns that property, it shouldn't change anything (for example, TypedArrays are not concat spreadable). I just know that this is what's causing the Chrome breakage.

https://codereview.chromium.org/1226063002/

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