[PATCH]: Fix missed PRE optimization discovered

[Laurent GUERBY]

On Mon, 2008-10-20 at 15:51 -0400, Daniel Berlin wrote:
> After bootstrapping and regtesting the variant Richard requested, here
> is what i am checking in:
> 
> 2008-10-20  Daniel Berlin  <dberlin@dberlin.org>
> 
>         * tree-ssa-pre.c (insert_into_preds_of_block): Don't rewrite constant
>         part of expression.
> 
> Sorry about the delay

Ada bootstrap is back and testsuite is 100% OK, thanks!

http://gcc.gnu.org/ml/gcc-testresults/2008-10/msg01441.html

Laurent