Subject: bug#63674: 30.0.50; Possible miscompilation of cl-structs?

From: Mattias Engdegård <[email-masked]>
Date: Wed, 24 May 2023 12:09:59 +0200

> After the latest changes to native compilation, I see a failure here:
> https://github.com/nix-community/emacs-overlay/actions/runs/5059662673/jobs/9081521991#step:6:7010. 

CC:ing Andrea.

Could you help him by explaining exactly what we are looking at here? What Emacs revision is this based on, and from what revision is it a regression?