When are associative arrays meant to throw a RangeError?

[bearophile]

Daniel Murphy:

> It's 3.  It also has the nasty side effect that throwing while evaluating 
> the rhs leaves the AA with a default-initialized key.

Maybe related to this thread.
A lot of time ago I have added this issue to Bugzilla, I have never received a comment on it, so far:
http://d.puremagic.com/issues/show_bug.cgi?id=3825

Bye,
bearophile