https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65010
David Edelsohn <dje at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |NEW Resolution|DUPLICATE |--- --- Comment #6 from David Edelsohn <dje at gcc dot gnu.org> --- This is not the same. There is a difference between sign extension of arguments and sign extensions within a function.