tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression before emiting it.

	* tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
	before emiting it.

From-SVN: r100727

gcc/ChangeLog

+2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
+
+	* tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
+	before emiting it.
+
 2005-06-07  Eric Christopher  <echristo@redhat.com>
 
 	* config/mips/predicates.md: Revert previous patch.

gcc/tree-ssa-loop-ivopts.c

@@ -5671,7 +5671,7 @@ rewrite_use_outer (struct ivopts_data *data,
       if (!cand->iv)
 	{
 	  struct cost_pair *cp = get_use_iv_cost (data, use, cand);
-	  value = cp->value;
+	  value = unshare_expr (cp->value);
 	}
       else
 	value = get_computation_at (data->current_loop,