https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118280
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Target Milestone|--- |14.3 Summary|undefined symbol |[14/15 Regression] |__atomic_test_and_set in |__atomic_test_and_set in |libstdc++.so on Microblaze |Microblaze are broken | |(exposed by r14-4286) Last reconfirmed| |2025-01-05 Status|UNCONFIRMED |NEW --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- The problem is r14-4286 exposed that microblaze had a broken definition of __atomic_test_and_set .