[Cython] PATCH: Serious temp unpacking bug

[Stefan Behnel]

Dag Sverre Seljebotn wrote:
> As the web servers appears to be down at the moment, I'm posting it here
> for the moment.
> 
> This is the bug reported recently. It's related to a problem in
> allocate_temps of SequenceNode (basically two nodes could get the same
> temp), and has likely been there for a long time.
> 
> It hits some nested tuple unpacking cases depending on the number of
> variables in the nested vs. outer tuple.
> 
> The refnanny catches a segfault on trivial code like this:
> 
> def g():
>     return ((3, 2), 1, 0)
> 
> def func2():
>     (a, b), c, d = g()
> 
> 
> Of course, the whole function which was buggy has disappeared in
> cython-unstable. So this is kind of depressing :-) But at least now
> 0.11.2 isn't blocked by having to merge -unstable.

http://trac.cython.org/cython_trac/ticket/298

Closed as "fixed" in 0.11.2.

Stefan