Ludovic Courtès <ludo@gnu.org> writes:

> Hi,
>
> Marius Bakke <mbakke@fastmail.com> skribis:
>
>> On the 'core-updates' branch, if you try to reference the 'master'
>> branch in an inferior, your system will fail to build like so:
>
> Could you provide a manifest or something to reproduce this?

Here is a manifest that reproduces this failure: