https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90205
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonny Grant from comment #2) > The 'argument' is float, within the printf it arrives as a 'parameter' of > type double after the promotion before the call. Yes, it seems more correct to say "but argument 2 has type 'float'"