https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118813
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- __OPTIMIZE__ is in the implementation defined identifier space so it is reversed for the implementation.