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Re: xfree86 miscompilation (XDM-AUTHORIZATION-1 key generation and/or validation) with gcc-3.3 -O2

From: Joe Buck <Joe dot Buck at synopsys dot com>
To: Michael Matz <matz at suse dot de>
Cc: Jack Howarth <howarth at bromo dot med dot uc dot edu>, gcc at gcc dot gnu dot org
Date: Mon, 16 Jun 2003 11:21:43 -0700
Subject: Re: xfree86 miscompilation (XDM-AUTHORIZATION-1 key generation and/or validation) with gcc-3.3 -O2
References: <200306142321.TAA19837@bromo.msbb.uc.edu> <Pine.LNX.4.44.0306161330260.23540-100000@wotan.suse.de>

On Mon, Jun 16, 2003 at 01:40:57PM +0200, Michael Matz wrote:
> On Sat, 14 Jun 2003, Jack Howarth wrote:
> 
> >    I would add that this problem is seen using either xdm or kdm when
> 
> kdm uses xdm as backend, so this is no surprise.

If the theory is that gcc 3.3 miscompiles xdm, a binary-search strategy
might help; try building xdm with some files compiled with 3.2.3, and some
compiled with 3.3.  Try to isolate which file (if any) is miscompiled.

References:
- re: xfree86 miscompilation (XDM-AUTHORIZATION-1 key generation and/or validation) with gcc-3.3 -O2
  - From: Jack Howarth
- re: xfree86 miscompilation (XDM-AUTHORIZATION-1 key generation and/or validation) with gcc-3.3 -O2
  - From: Michael Matz

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