(* overflowdiv1.mod test division overflow detection with subranges.

Copyright (C) 2001-2019 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.

This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Modula-2; see the file COPYING.  If not,
see <https://www.gnu.org/licenses/>.  *)

MODULE overflowdiv1 ;

FROM libc IMPORT printf ;


VAR
   u, x, y: [-1..4] ;
BEGIN
   x := 3 ;
   y := -1 ;
   u := x DIV y ;  (* compiler should detect DIV causes overflow rather than assignment.  *)
   printf ("value of u = %d\n", VAL (INTEGER, u))
END overflowdiv1.