On Mon, Jan 17, 2022 at 12:27:15PM -0600, Justin Forbes wrote: > > gcc 12 snapshot has landed as the system compiler into rawhide today. > > GCC 12 is going to enter its stage4 development phase (only regression > > and documentation bugfixes allowed) on Monday 17th, so there should be > > just those bugfixes and not new features etc. anymore. > > https://gcc.gnu.org/gcc-12/changes.html lists important changes, > > most important is probably that vectorization is enabled at -O2 now > > which is the option with most of the distribution is built with. > > > > https://gcc.gnu.org/gcc-12/porting_to.html is so far incomplete and lists > > some cases where people need to adjust their code. Other things > > include the usual C++ header changes, where previously some standard > > header included some other header as an implementation detail but it doesn't > > any longer and so code that relied on such indirect include that isn't > > required by the standard needs to include the header that provides whatever > > it relies on. Or e.g. packages using -Werror where new warnings are > > reported with the newer compiler and -Werror results in build failures. > > > > If there are bugs on the compiler side, please let me know immediately, > > so that those bugs can be fixed before the mass rebuild next week. > > > > I suppose I should have checked fedora-devel before trying to chase > down build failures as kernel merge window issues. Kernel builds are > failing in a few places (depending on arch). For kernel, the only bug on the GCC side I'm aware of is https://gcc.gnu.org/PR101941 Jakub _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
