text: /* Test diagnostics for old-style definition not matching prior
     prototype are present and give correct location for that prototype
     (bug 15698).  Prototyped built-in function, wrong number of
     arguments, with explicit prototype as well.  */
  /* Origin: Joseph Myers <joseph@codesourcery.com> */
  /* { dg-do compile } */
  /* { dg-options "-std=gnu99" } */
  
  char *strchr(const char *, int); /* { dg-error "error: prototype declaration" } */
  char *strchr(a) const char *a; { return 0; } /* { dg-error "error: number of arguments doesn't match prototype" } */
  