1  /* Test diagnostics for old-style definition not matching prior
       2     prototype are present and give correct location for that prototype
       3     (bug 15698).  Original test.  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-std=gnu99" } */
       6  
       7  int	foobar ();
       8  
       9  int func (int blah)
      10  {
      11    char *rindex();
      12  }
      13  
      14  int foobar ()
      15  {
      16    return 0;
      17  }
      18  
      19  char *rindex(a, b)
      20       register char *a, b; /* { dg-warning "argument 'a' doesn't match built-in prototype" } */
      21  {
      22    return 0;
      23  }
      24  
      25  /* { dg-prune-output "\\\[-Wbuiltin-declaration-mismatch]" } */