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[Bug 22346] Security: When invoking a method, getter, or setter on an object using the property descriptor of another, we need to do a security check

From: <bugzilla@jessica.w3.org>
Date: Wed, 24 Jul 2013 02:00:33 +0000
To: public-script-coord@w3.org
Message-ID: <bug-22346-3890-UoZbJ3ScuT@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=22346

--- Comment #3 from Boris Zbarsky <bzbarsky@mit.edu> ---
For what it's worth, in Gecko the effective script origin of an object is the
effective script origin of its associated global.

And every object has an associated global: that's needed to set up its initial
prototype chain properly...  Note that in some cases (e.g. adoptNode) the
associated global can effectively change.

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