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Date:      Sun, 5 Nov 2000 11:39:07 -0800
From:      "David O'Brien" <obrien@FreeBSD.ORG>
To:        Randell Jesup <rjesup@wgate.com>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: "Malloc type lacks magic" show-stopper solved
Message-ID:  <20001105113907.B2656@dragon.nuxi.com>
In-Reply-To: <ybubsvyfhze.fsf@jesup.eng.tvol.net.jesup.eng.tvol.net>; from rjesup@wgate.com on Thu, Nov 02, 2000 at 11:37:09AM -0500
References:  <Pine.BSF.4.30.0011021247480.81655-100000@taygeta.dbai.tuwien.ac.at> <ybubsvyfhze.fsf@jesup.eng.tvol.net.jesup.eng.tvol.net>

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On Thu, Nov 02, 2000 at 11:37:09AM -0500, Randell Jesup wrote:
>         -O2 should work.  I've never seen a bug with -O2 code generation
> from GCC (not that they can't happen, of course).  Most bugs I've seen in
> my career with optimization levels were actually timing holes in the
> source code, where someone was accessing a shared resource and counting
> on ordering/etc, or bugs with accessing hardware registers where structures
> weren't properly marked volatile.
> 
>         If there's a problem, find it and report it.  IMHO.

Love to, but its often too hard -- unless handing over an entire kernel
source directory as the test case showing the bug is acceptable.

-- 
-- David  (obrien@FreeBSD.org)


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