On 2015/03/04 14:44:11, caitp wrote:
So Runtime_NewObjectHelper creates an object using the initial map of
whatever
the constructor was, and then __maybe__ sets __proto__ to the prototype
of the
original constructor. That doesn't seem right to me, but I'm sure there
are
good
reasons for doing this, maybe it's okay to leave it as-is for now?
This is absolutely correct.
Reflect.construct(Array, [], C)
invokes Array.[[Construct]] trap with [] for argumentsList and C for new
Target.
For Arrays this constructs an exotic object (Array) with __proto__ being
C.prototype.
This is what your CL does
https://codereview.chromium.org/913073003/
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