[Bug c/109110] old style function declaration not causing incompatible type on calls

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109110

--- Comment #4 from Andreas Schwab <sch...@linux-m68k.org> ---
14.8 Certain Changes We Don't Want to Make
==========================================

   * Checking the number and type of arguments to a function which has
     an old-fashioned definition and no prototype.