Must built-in prototypes also be valid instances? (Was: Why DataView.prototype object's [[Class]] is "Object"?)

Brendan Eich brendan at
Wed Oct 3 22:52:00 PDT 2012

Mark S. Miller wrote:
>     Allen and I also discussed the plan I intend to try in
>     SpiderMonkey: making Date.prototype, Number.prototype, etc. test
>     as "Object" according to the O_p_toString_call tag test. We think
>     this should not affect SES or any real code (as Oliver postulated).
> I agree. And if it does affect SES, we can still fix it. From the SES 
> pov, this one is easy.

I filed -- will try 
to get a patch up in the next week.


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