Simon, this patch wasn't applied to the gnulib repo, however
https://lists.gnu.org/r/bug-gnulib/2021-09/msg00032.html was. Sorry for the
confusion.

On Fri, 10 Sep 2021, 11:24 Simon Josefsson, <simon@josefsson.org> wrote:

> Bruno Haible <bruno@clisp.org> writes:
>
> > What exactly is the problem that you were seeing? (Commands to reproduce,
> > and compiler output, please.)
>
> I haven't had time to debug it, but since a few days libidn fails to
> build with a reference to rpl_free, that looks related to this thread
> and the recent gnulib changes for the free module:
>
>
> https://oss-fuzz-build-logs.storage.googleapis.com/log-002189ee-3c98-45b8-9bde-3bfb20317e9a.txt
>
> /Simon
>