[Cython] some pull requests for 0.16?

[Stefan Behnel]

mark florisson, 20.03.2012 17:40:
> Finally, there is a serious bug in the reversed(range()) optimization
> that Mike Graham discovered when working on the range() optimization
> with a runtime step, which is basically wrong for any step that is not
> 1 or -1 (it simply swaps the bounds with an offset by 1, but it
> actually has to figure out what the actual last value was in the range
> and use that as the start instead). I personally consider this a
> blocker, so I'll try contacting Mike and see if he is still
> (interested in) working on that.

I've disabled the optimisation in the release branch.

https://github.com/cython/cython/commit/f766a7fc2a4b7fa67b2db8592034980bff9c5783

Given that this didn't work before, disabling it isn't a regression, so
I've closed the ticket (#763) and added a new one as request for
optimisation (#765).

Stefan