bug#12808: segfault with (weird use of) make-struct and make-vtable

[Andy Wingo]

On Mon 05 Nov 2012 22:24, Areth Unknown <address@hidden> writes:

> This code makes guile segfault, tested in the versions 2.0.6.49 and
> 2.0.6.66 ..
>
> --------
> (define v-blocks (make-vtable "pR")) ;; note that this is a protected
> tail array read-only
>
> (define block-2 (make-struct v-blocks 1 ;; note that this only has one
> element
>                              '((0 2 2 0)
>                                (0 2 2 0)
>                                (0 0 0 0)
>                                (0 0 0 0))))
>
> ;; (struct-ref block-2 0)
> ;; => Segmentation fault (core dumped)
> ------

Thanks for the report; will be fixed in 2.0.8.

Andy
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