Fix stmt updating in PRE

[Richard Guenther]

On Sat, Apr 11, 2009 at 2:14 PM, Jan Hubicka <hubicka@ucw.cz> wrote:
> Hi,
> on pretty-ipa we commonly segfault on C++ code because of the following
> bug.  I am re-testing on mainline and will commit as obvious if it
> succeeds.

Doh.

> Honza
>        * tree-ssa-pre.c (elliminate): Fix call of update_stmt.

eliminate

Thanks,
Richard.

> Index: tree-ssa-pre.c
> ===================================================================
> --- tree-ssa-pre.c      (revision 145956)
> +++ tree-ssa-pre.c      (working copy)
> @@ -4209,7 +4209,7 @@
>          && single_imm_use (lhs, &use_p, &use_stmt))
>        {
>          SET_USE (use_p, gimple_assign_rhs1 (stmt));
> -         update_stmt (stmt);
> +         update_stmt (use_stmt);
>        }
>
>       /* If this is a store or a now unused copy, remove it.  */
>