[Bug libfortran/18985] opening unit 6 messes up print

["Thomas dot Koenig at online dot de" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From Thomas dot Koenig at online dot de  2004-12-15 08:45 -------
(In reply to comment #1)
> I think that's what intended

That's what's for discussion :-)

> g77 behaves the same way.

I think this is a bug, too.

My thinking is that writing to * (or PRINTing)
should go to standard output, and that unit 6
just happens to be a convention for a preconnected
unit that does the same thing.

ifort, for example, does things differently:

$ cat open2.f
      open(6,file="foo.dat")
      print *,"hello, world"
      end
$ ifort open2.f
$ ./a.out
 hello, world
$ ifort -V
Intel(R) Fortran Itanium(R) Compiler for Itanium(R)-based applications
Version 8.1    Build 20041123 Package ID: l_fc_pc_8.1.023
Copyright (C) 1985-2004 Intel Corporation.  All rights reserved.

ifort: Command line error: no files specified; for help type "ifort -help"

Does the Fortran standard say anything that messing with unit 6
can be bad news for unit * ?

I have marked the bug as "enhancement" with this.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|INVALID                     |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18985