On Sat, Jun 29, 2019 at 2:01 AM Glenn Morris <rgm@gnu.org> wrote:
> This causes the test json-serialize/object to fail. Ref eg
>
> https://hydra.nixos.org/build/95582609

So it does. It actually tests an odd-length circular "plist", which
fails both before and after the change, but fails with a different
error code. Modification to the test attached.