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To: Nathan Sidwell <nathan@codesourcery.com>
Cc: Ziemowit Laski <zlaski@apple.com>, gcc mailing list <gcc@gcc.gnu.org>,
        Steve Naroff <snaroff@apple.com>, Michael Matz <matz@suse.de>,
        Matt Austern <austern@apple.com>, Joe Buck <Joe.Buck@synopsys.com>,
        Andrew Pinski <pinskia@physics.uc.edu>, Mike Stump <mrs@apple.com>
Subject: Re: generalized lvalues -- patch outline
References: <4D2CF60C-3919-11D9-8BD2-000A95BCF344@apple.com>
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	<77E8D36A-C0C2-4B03-964C-BEE0FE7BBBC3@apple.com>
	<98C86CD4-39E2-11D9-B2D5-000A95BCF344@apple.com>
	<Pine.LNX.4.58.0411192234480.29201@wotan.suse.de>
	<CAE3B44A-3A8C-11D9-9070-000D9330C50E@apple.com>
	<20041119170011.A30410@synopsys.com>
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	<41A253A2.1050205@codesourcery.com>
From: Gabriel Dos Reis <gdr@integrable-solutions.net>
In-Reply-To: <41A253A2.1050205@codesourcery.com>
Organization: Integrable Solutions
Date: Tue, 23 Nov 2004 00:07:00 -0000
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Nathan Sidwell <nathan@codesourcery.com> writes:

| Ziemowit Laski wrote:
| > Indeed, I now appear to have a mainline mod for C and C++ which
| > allows assignment to lvalue casts for pointer types.  What follows
| > is a high-level synopsis of what I did; if there is interest, I can
| > whip up a full-fledged patch, complete with docs.  Please let me
| > know.
| 
| Please describe the semantics *in detail* of what you are trying to
| achieve.  Why are the modify-assignment operators not allowed? That
| appears non-orthogonal.

We do not need that abomination.  The standard definition already
provides the semantics: reinterpret_cast.

-- Gaby