[PATCH] Add some checking for cfgexpand and partitioning

[Richard Guenther]

On 10/17/07, Andrew_Pinski@playstation.sony.com
<Andrew_Pinski@playstation.sony.com> wrote:
> Hi,
>   Currently we have no checking for partitioning of stack variables.  So
> currently we could end up with the case where the offset inside a parition
> is greater than the size of the partition itself.  This patch adds this
> check.  We ran into a bug (when modifing the paritioning code) where we
> would have this case, it seems better to add a check for it so it does not
> happen when we submit this enhancement.
>
> OK? Bootstrapped and tested on powerpc64-linux-gnu with no regressions.

Ok.

Thanks,
Richard.

>
> ChangeLog:
>         * cfgexpand.c (expand_stack_vars): Add checking to make sure
>         that the offset of a variable is not greater than the size
>         of the paritition.
>
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