http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51388
--- Comment #3 from stevenb.gcc at gmail dot com <stevenb.gcc at gmail dot com> 2011-12-02 14:59:37 UTC --- On Fri, Dec 2, 2011 at 3:51 PM, rguenth at gcc dot gnu.org <gcc-bugzi...@gcc.gnu.org> wrote: > I see > >> gcc-4.3 -c -Wno-narrowing t.c -DHAVE_ARG > cc1: error: unrecognized command line option "-Wno-narrowing" > > with FSF GCC 4.3.6. So, are you sure this isn't behavior caused by > vendor patches? (openSUSE GCC 4.3 also works) What do you see with "gcc-4.3 -c -Wno-narrowing t.c"? FWIW this is Debian GCC 4.3.2-1.1 on gcc17.