Regression for Allegro 8.1 causing Segmentation Fault

[Luís Oliveira]

lhope said on github:

> Hi there,
>
> The following patch causes Allegro 8.1 to segfault when calling a
> function with strings (or more specifically, varargs).
>
> 53af387
>
> (cffi:defcfun ("zsocket_connect" zsocket_connect) :int
> (socket :pointer)
> (format :string)
> &rest)
>
> After the patch, calling zsocket_connect causes the segfault every
> time.
>
> If I either revert the commit, or bump up the versions to 8.2
> instead of 8.1, the problem goes away. Will you accept a pull
> request to bump the version up to 8.2? It seems safe enough to do
> so.

ffilov, the author the aforementioned commit, says:

> Sorry, but I'm no longer working on this project, so I don't have
> the tools to test this regression.
>
> I don't think bumping it to 8.2 is a solution, because the same
> problem could occur when 8.2 is used.
>
> The patch was tested with libzmq. It seems that you're using
> czmq. Could it be that varargs are not allocated in a static area,
> so GC cleans it up?