On 10 Dec 2019, at 14:16, Christian Tismer <tismer@stackless.com> wrote:

Please let me know how you want to proceed.
This is a critical error, producing negative refcounts.

Is there a BPO issue for this? If not, there should be, let's discuss there. Is this a 3.8 regression?

3.8.1 proper is next Monday, if this fix is handled quickly it will land in 3.8.1.

- Ł