diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e598418ae22e..1126c490ab3c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-10  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/27532
+	* tree-object-size.c (plus_expr_object_size): Fix typo.
+
 2006-05-10  Kazu Hirata  <kazu@codesourcery.com>
 
 	PR target/24949
diff --git a/gcc/tree-object-size.c b/gcc/tree-object-size.c
index 9c510bbc00f0..7a3d77571864 100644
--- a/gcc/tree-object-size.c
+++ b/gcc/tree-object-size.c
@@ -595,7 +595,7 @@ plus_expr_object_size (struct object_size_info *osi, tree var, tree value)
 	{
 	  unsigned HOST_WIDE_INT off = tree_low_cst (op1, 1);
 
-	  bytes = compute_builtin_object_size (value, object_size_type);
+	  bytes = compute_builtin_object_size (op0, object_size_type);
 	  if (off > offset_limit)
 	    bytes = unknown[object_size_type];
 	  else if (off > bytes)