gcc 4.0.0 on amd64: problem with -O2?

[Harald Dunkel]

Andrew Pinski wrote:
>
> Stop right there, you said it warns, well this is a case where
> you are violating C89/C99/C++ aliasing rules so it is a bug in your
> code and not in GCC.
>

This is not my code. It is XFree86 4.3. I am just trying to
help by investigating a problem and providing an easy testcase.

If you read my report, then you will recognize that it is
a problem of the optimizer.


Regards

Harri
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