https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65976
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |kargl at gcc dot gnu.org Resolution|--- |FIXED --- Comment #3 from kargl at gcc dot gnu.org --- Thanks for the bug report. Many of the -f* options have a negative form -fno-*. -ffixed-form happens to be one of the options that rejects the negative form.