https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85393
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org --- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> --- I used gcc 8 headers when bisecting it. And commenting out + /* Do not expect profile insanities when profile was not adjusted. */ + if (e->probability == profile_probability::never () + || e->count == profile_count::zero ()) + continue; + helped. I saw differences in .bbpart so I thought something went wrong in hot/cold partitioning.