https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107551
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2022-11-08 Ever confirmed|0 |1 Target| |x86_64-*-* i?86-*-* Status|UNCONFIRMED |WAITING --- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- The issue likely also appears on trunk, it shows disconnect between the runtime dispatch and the __builtin_cpu_supports for your CPU. Can you please provide the version of glibc you have installed and maybe your OS and version?