[cfarm-users] Is anywhere on compile farm installed GCC-15? GCC 14 seems to have severe issue.

[Vincent Lefevre]

On 2024-09-30 09:44:33 +0100, Jonathan Wakely via cfarm-users wrote:
> On Sun, 29 Sept 2024 at 23:06, Jonathan Wakely wrote:
> > Well the code has undefined behaviour, which is definitely not portable.
> >
> > Doesn't UBsan diagnose this mistake?
> 
> UBsan doesn't diagnose it, but the code crashes for me with *every*
> version of GCC I tried, from GCC 6.1 onwards. It's not a problem with
> GCC 14, it's just broken code. Nothing to see here, move along.

I suppose that UBsan cannot diagnose UB related to incorrect types
because the information is not stored.

-- 
Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)