https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109780
--- Comment #11 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Alexander Monakov from comment #10) > (In reply to Martin Liška from comment #9) > > Started with zen tuning revision r13-4839-geef81eefcdc2a5. > > The issue is also reproducible with -march=haswell or -march=skylake, so you > can use those for further bisection. With -march=skylake it began with r13-4124-g156f523f9582f1 and with -march=haswell it started with the very same revision.