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Re: [patch] Fix tree-optimization/22236 wrong code for casts andscev


On Sun, 2005-08-14 at 13:41 -0400, Andrew Pinski wrote:
> On Aug 14, 2005, at 11:34 AM, Andrew Pinski wrote:
> 
> >
> > On Aug 13, 2005, at 1:31 PM, Sebastian Pop wrote:
> >
> >> I've committed the following patch after having bootstrapped/tested it
> >> on amd64-linux, all languages c,c++,f95,java,objc,ada.
> >
> > This breaks bootstrap on both powerpc-darwin and i686-pc-linux-gnu.
> 
> And I have verified reverting this patch fixes bootstrap on 
> powerpc-darwin.
> 
> There is short testcase in PR 23386 for the failure.

I imagine VRP is trying to make an equivalence between the version we
think wraps, and the version we think doesn't (due to being used in
pointer arithmetic), because there is a simple copy statement between
them.

--Dan


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