https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107590
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2022-11-09 Ever confirmed|0 |1 Status|UNCONFIRMED |WAITING --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This seems like an alignment issue. That is GCC thinks the alignment of the variables are one thing but the reality is something different. We need more information than this since the atomics are run part of the testsuite and we have not seen any issues related to them either. Plus libstdc++ uses the atomics too.