Comment #6 on issue 3246 by [email protected]: Weak references should be
handled uniformly
http://code.google.com/p/v8/issues/detail?id=3246
There are situations that you wan't to mix weak and non-weak references in
an array. So alternatively, I think what you really want is a
single "WeakObject" object whose payload is always weak. It can probably
just be 2 words, a map and payload. Any places where you want a weak
reference, you create one of these and reference it strongly. By chaining
them together using the map pointer (which can be restored to the know map
pointer after GC), you can track all of them. To get a weak array, you just
create a FixedArray where every element is a WeakObject.
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