[PATCH] Raise the minimum GCC version to 11.5 [BZ #32539]

[Sam James]

Wilco Dijkstra <Wilco.Dijkstra@arm.com> writes:

> Hi all,
>
>>On 2025-01-12 09:00, Sam James wrote:
>>> Some distros like Debian often linger on e.g. X.2 and then backport
>>> fixes. I don't know if this is a problem for 11 in reality. 
>>
>> Fixes are backported indeed backported regularly in between minor
>> releases, but minor releases are still uploaded regularly. For instance
>> GCC 11 in Debian Sid is at 11.5, while it is at 11.3 in Debian
>> Bookworm.
>
> Like I mentioned before to H.J., Ubuntu tends to stick to older revisions.
> Even the latest 22.04 updates available use GCC 11.4. So this means the
> minimum GCC version effectively becomes GCC 12 for a lot of people.
>

Yeah, I understand your point.

> If there is no actual evidence that we need 11.5 for correctness rather than
> say 11.2 or 11.4, why demand 11.5? 

The problem is https://sourceware.org/PR32539. I'll submit the patch for
that later today. The issue is, we want our minimum GCC to not have
known test failures.

>
> Cheers,
> Wilco