https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108253
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2022-12-30 Ever confirmed|0 |1 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I suspect it is trying to set the nonzero bits for: _19 = &_15->data_; >From the assert: if (reinterpret_cast<size_t>(ring_->data_) % 4 != 0) __builtin_abort(); But I could be wrong ...