diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 505c99a394bf..9899755c452c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-01-26  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/38745
+	* tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
+	from special handling.
+
 2009-01-26  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/38745
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 9ed242d03a8d..3c76fcd2db4c 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -2494,6 +2494,8 @@ update_alias_info_1 (gimple stmt, struct alias_info *ai)
 	{
 	  tree var = get_base_address (lhs);
 	  if (DECL_P (var)
+	      /* We are not going to mess with RESULT_DECL anyway.  */
+	      && TREE_CODE (var) != RESULT_DECL
 	      && is_gimple_reg_type (TREE_TYPE (var)))
 	    bitmap_set_bit (gimple_addressable_vars (cfun), DECL_UID (var));
 	}