https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112707
--- Comment #14 from Peter Bergner <bergner at gcc dot gnu.org> --- (In reply to Segher Boessenkool from comment #13) > (In reply to Peter Bergner from comment #12) > > I'll note that you don't always > > get an assembler error, since gcc still passes -many to the assembler for > > non --enable-checking gcc builds, which causes it to accept the fctid insn. > > Hrm. Was that an oversight? Should we always do that now? Can you prepare > a patch (and test on some common configs) please? I was surprised as you that we were still passing -many to the assembler under some circumstances. That said, removing all -many usage is orthogonal to this bug. I'll open another bug where we can discuss what to do wrt that.