On Nov 5, 2013 10:42 PM, "Nick Coghlan" <ncogh...@gmail.com> wrote: > If the benchmark suite indicates there's no measurable speed penalty then such a patch may be worth reconsidering. I'd be astonished if that was actually the case, though - the lowest impact approach I can think of is to check for live iterators when setting a dict entry, and that still has non-trivial size and speed implications.
If I remember right, I had to address something related in my C OrderedDict patch on issue #16991. I don't know if what I did there is applicable to dicts though. It's been a while since I worked on that patch. -eric
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