Status: Accepted
Owner: [email protected]
CC: [email protected], [email protected]
Labels: Type-Bug Priority-Medium
New issue 3447 by [email protected]: Unify all prototype access to go
through a single point
http://code.google.com/p/v8/issues/detail?id=3447
There are a number of things that need to be taken into account when
accessing the prototype of an object: if the object isn't a HeapObject, we
first need to go to the right root, if it's a JSProxy the prototype should
be null_value for all internal purposes, if it's a HeapObject, we can
directly use map()->protoype() and don't need to check whether we need to
go to the root first.
In the future, we might also want to implement security checks for
prototype chain walks. Again, having all prototype walks in a single place
will make this easier.
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