Status: Assigned
Owner: [email protected]
CC: [email protected], [email protected], [email protected],
[email protected]
Labels: Type-Bug Priority-Critical Harmony
New issue 4168 by [email protected]: Array.of/from use %AddElement
unsafely
https://code.google.com/p/v8/issues/detail?id=4168
Array.of/from may be invoked from a subclass (or via .call) and will invoke
a random constructor in that case. It is incorrect and even unsafe to
use %AddElement in that case, because the object might be non-configurable
or not even a regular object.
These methods need to go through a slow path that uses DefineOwnPropery in
the case a custom constructor is invoked.
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