Bug#679447: Coro segfaults

[Dmitry E. Oboukhov]

Hi, Marc!

I tried to up a project using Coro and stumbled on segfaults
in perl Coro. Then I realized my project with AnyEvent (old way), but
today I had some time to create test, so I've extracted part of code
from my project and placed it here:

https://gist.github.com/3059829

I think it segfaults if a module uses weaken refs (trees, iterators,
objects that uses AE-watchers, etc), but I can be mistaken.

The code segfaults randomly but pretty often.

The code segfaults under Perl-5.14.2 and Perl-5.8.8 (I've tested in
using perlbrew).

Could You analyse the problem?

-- 

. ''`.                               Dmitry E. Oboukhov
: :’  :   email: unera at debian.org jabber://UNera@uvw.ru
`. `~’              GPGKey: 1024D / F8E26537 2006-11-21
  `- 1B23 D4F8 8EC0 D902 0555  E438 AB8C 00CF F8E2 6537
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