https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-11-07 CC| |ebotcazou at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > This seems previously latent bug in bb-reorder. It produces order of blocks > which has hot blocks, then some cold blocks and then hot blocks again. Probably because some hot block is turned into a cold block, see: https://gcc.gnu.org/ml/gcc-patches/2017-10/msg02006.html for a previous example.