[Cython] sage-tests failures

[Robert Bradshaw]

OK, thinks are looking a lot better, but there's still quite a few
random segfaults:

https://sage.math.washington.edu:8091/hudson/view/ext-libs/job/sage-tests/674/console

On Sat, Jan 14, 2012 at 9:38 AM, Robert Bradshaw
<robertwb at math.washington.edu> wrote:
> On Sat, Jan 14, 2012 at 6:19 AM, Vitja Makarov <vitja.makarov at gmail.com> wrote:
>> I've recently merged my def-node-refactoring branch and found some
>> bugs, thanks to sage-build.
>>
>> Then I've found that sage-tests has >100 failures.
>> So I'm wondering does anybody know what's wrong with sage-tests?
>
> Yeah, sage-tests is a great stress-tester for Cython. There were a
> couple of spurious failures before, but nothing this bad.
>
> I blame https://github.com/cython/cython/commit/bce8b981a3e71378a164e8c9acca5f00bbbe32d7
> which is causing variables to be undefined. Arguably, this is a bug in
> Sage, but it was a backwards incompatible change.
>
> - Robert