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Re: [PATCH] Integer overflow in overlap_subvar

From: Richard Guenther <rguenther at suse dot de>
To: Daniel Berlin <dberlin at dberlin dot org>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 25 Jul 2005 15:21:24 +0200 (CEST)
Subject: Re: [PATCH] Integer overflow in overlap_subvar
References: <Pine.LNX.4.58.0507251446240.21145@wotan.suse.de><1122297461.8299.38.camel@linux.site>


On Mon, 25 Jul 2005, Daniel Berlin wrote:

> On Mon, 2005-07-25 at 14:47 +0200, Richard Guenther wrote:
> > Looks obvious - but well.  Bootstrapped and regtested on
> > i686-pc-linux-gnu.
> 
> You've got some 4G structures floating around, do you?
> 
> :)

No, I tweak offset to values >0 in the case of size == (unsigned)-1
which breaks it, too ;)

Richard.

References:
- [PATCH] Integer overflow in overlap_subvar
  - From: Richard Guenther
- Re: [PATCH] Integer overflow in overlap_subvar
  - From: Daniel Berlin

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