I was right, it is the differing baseline and it turns out someone has already filed a gcc bug for this: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118541
** Bug watch added: GCC Bugzilla #118541 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118541 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2098505 Title: glibc 2.41 ppc64el: math test failures To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/2098505/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs