https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114787
--- Comment #13 from Jan Hubicka <hubicka at gcc dot gnu.org> --- -fdump-tree-all-all changing generated code is also bad. We probably should avoid dumping loop bounds then they are not recorded. I added dumping of loop bounds and this may be unexpected side effect. WIll take a look.