Comment #1 on issue 2727 by erights: changing prototype chain using
__proto__ fails
http://code.google.com/p/v8/issues/detail?id=2727
This behavior is correct per the ES6 spec of __proto__. Prior to ES6
browsers behaved so differently on the edge cases, that there was no de
facto agreement on such matters. In ES6, Object.prototype.__proto__ is an
accessor property whose setter changes the [[Prototype]] of its "this". The
proto1 object above does not inherit from Object.prototype, so neither do
any of the objects that inherit from it. The __proto__ assign is therefore
not intercepted by that setter, and so simply creates a normal property
that happens to be named "__proto__".
I suggest closing this out as Invalid or WorkingAsIntended.
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