https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108008
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2022-12-07 Summary|Compiler mis-optimization |[12 Regression] Compiler |with posix_memalign |mis-optimization with | |posix_memalign Target Milestone|--- |12.3 Ever confirmed|0 |1 Known to work| |8.1.0 --- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to dhsbz from comment #2) > (using gcc as of the prior commit shows the behavior as in the bug > description). I can't judge if the above commit had fixed an underlying > problem that the example was triggering, or if it changed the behavior in an > indirect way. I think it just changes the IR just ever so slightly which makes the problem go latent. As shown sometimes adding and removing vectorization.