https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65040
--- Comment #16 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Ok, I can fix the integer constant case as well. (In reply to Richard Biener from comment #15) > I'd also say that warnings for formats that do not have a signed form are > useless, > thus for %o, %x and %X. But I guess you beg to differ. I don't know - it wasn't me who implemented this warning, I'm just doing it less verbose ;).