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Cc: Joe Buck <Joe.Buck@synopsys.com>, Dale Johannesen <dalej@apple.com>,
        Michael Matz <matz@suse.de>, Steve Naroff <snaroff@apple.com>,
        Mark Mitchell <mark@codesourcery.com>,
        Ziemowit Laski <zlaski@apple.com>, Matt Austern <austern@apple.com>,
        gcc mailing list <gcc@gcc.gnu.org>, Mike Stump <mrs@apple.com>
From: Dale Johannesen <dalej@apple.com>
Subject: Re: generalized lvalues -- patch outline
Date: Tue, 23 Nov 2004 02:12:00 -0000
To: Andrew Pinski <pinskia@physics.uc.edu>
X-SW-Source: 2004-11/txt/msg00790.txt.bz2

On Nov 22, 2004, at 5:45 PM, Andrew Pinski wrote:
> On Nov 22, 2004, at 8:42 PM, Dale Johannesen wrote:
>
>>> It was in obstack.h which is not directly directly part of gcc.
>>> It is part of glibc.  The first copywrite on that file is for 1988
>>> which a year after the copywrite of gcc.c, 1987. Maybe it was
>>> originally of gcc but it is no longer.
>>
>> Maybe so, but the file is included as part of the 176.gcc benchmark, 
>> and caused
>> compilation errors when gcc dropped support for this (mis)feature.
>
> I had forgot one thing is that it was done conditional for GNUC
> which seems wrong to me for a SPEC test :).

Not exactly, it's true there's code conditional on GNUC, but both
branches use casts as lvalues.  (The now-available src.alt for
this problem only fixes the GNUC branch; presumably, gcc is
the only interesting compiler that won't take this.)

And yes, it is wrong for a SPEC test, but this code is hardly
ever executed in the benchmark.