Hans-Juergen Schoenig wrote:
[...]
> a quick fix is to prevent the language from freeing the tuple twice -
> this should safely prevent the core dump here.
> we still have to make sure that the tuple if freed properly. stay tuned.
> here is the patch ...
this seems to be already fixed with:
http://archives.postgresql.org/pgsql-committers/2006-12/msg00063.php
Stefan