From owner-sc22wg5@open-std.org Wed Dec 3 19:24:02 2008 Return-Path: X-Original-To: sc22wg5-dom7 Delivered-To: sc22wg5-dom7@www2.open-std.org Received: by www2.open-std.org (Postfix, from userid 521) id 6C1F6C56CF8; Wed, 3 Dec 2008 19:24:02 +0100 (CET) X-Original-To: sc22wg5@open-std.org Delivered-To: sc22wg5@open-std.org Received: from nspiron-2.llnl.gov (nspiron-2.llnl.gov [128.115.41.82]) by www2.open-std.org (Postfix) with ESMTP id A683CC178DC for ; Wed, 3 Dec 2008 19:24:00 +0100 (CET) X-Attachments: None Received: from cyrus2.llnl.gov ([128.15.97.105]) by nspiron-2.llnl.gov with ESMTP; 03 Dec 2008 10:23:58 -0800 From: Aleksandar Donev Organization: LLNL To: sc22wg5 Subject: Re: (j3.2006) (SC22WG5.3708) Comment on N1761 User-Agent: KMail/1.9.4 References: <20081127195627.3CEA7C178D6@www2.open-std.org> <200812021000.58528.donev1@llnl.gov> <20081203132148.DA084C178E0@www2.open-std.org> In-Reply-To: <20081203132148.DA084C178E0@www2.open-std.org> MIME-Version: 1.0 Content-Disposition: inline X-UID: 6164 Date: Wed, 3 Dec 2008 10:23:58 -0800 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200812031023.58777.donev1@llnl.gov> Sender: owner-sc22wg5@open-std.org Precedence: bulk On Wednesday 03 December 2008 05:21, Reinhold Bader wrote: > It is not accepted by NAG's compiler, and also not by IBM xlf. NAG's error > message is > > Error: label_interf.f90: Duplicate binding label 'Foo' for external > procedure FOO_2 and external procedure FOO_1 > > which references the rules given in clause 16.1. Some time ago I filed an interp request for this. The rules in 16 indeed make the example non-conforming, but I expected that this makes zero sense and was thus unintended and should be fixed. The official interp response was that it was intended. On Wednesday 03 December 2008 08:29, Bill Long wrote: > However, in the case of a separate binding label, that rule is being > changed in Fortran 2008 to be the way you want it. If there is a > separate binding label then the procedure's name becomes a local name, > not external. Can someone please point me to the history (paper numbers) of this. I have missed it, even though I supposedly argued for it at length and thought I lost the fight. I am delighted to hear it is being changed but need to read up to understand exactly what changed. I would urge compilers to implement the change ASAP (if they already implement Interop), especially since it essentially eliminates a needless restriction that is rather hurteful to programmers. Thanks, Aleks -- Aleksandar Donev, Ph.D. Lawrence Postdoctoral Fellow @ Lawrence Livermore National Laboratory High Performance Computational Materials Science and Chemistry E-mail: donev1@llnl.gov Phone: (925) 424-6816 Fax: (925) 423-0785 Address: P.O.Box 808, L-367, Livermore, CA 94551-9900 Web: http://cherrypit.princeton.edu/donev