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From: Eric Botcazou <ebotcazou@libertysurf.fr>
To: Michael Veksler <VEKSLER@il.ibm.com>
Subject: Re: The utility of standard's semantics for overflow
Date: Wed, 29 Jun 2005 08:48:00 -0000
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> This is unlike aliasing, when most lines of code out there,
> did not break aliasing rules (even before they were
> introduced).

Are you sure?  IIRC -fstrict-aliasing was once enabled at -O2 and then 
disabled to give people more time to fix their code.

-- 
Eric Botcazou