Silent gcc 4.2.0 loop optimization bug with -O2

Alexander Kabaev kabaev at
Mon Jun 25 13:59:23 UTC 2007

It is trivial to extract a sample for miscompiltations. Just use
-save-temps and cut down the code until you have a simple case. If you
cannot be bothered to do that, nobody else would either,

On 6/25/07, Andrey Chernov <ache at> wrote:
> On Mon, Jun 25, 2007 at 05:09:13PM +0400, Andrey Chernov wrote:
> > This is serious loop optimization bug with -O2.
> Forget to specify: i386 machine. I don't try on other archs.
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Alexander Kabaev

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