Serializer: attach alignment to deferred objects.

test/mjsunit/regress/regress-crbug-523919.js

Index: test/mjsunit/regress/regress-crbug-523919.js
diff --git a/test/mjsunit/regress/regress-crbug-523919.js b/test/mjsunit/regress/regress-crbug-523919.js
new file mode 100644
index 0000000000000000000000000000000000000000..4b2a8fe93e4359070caa37109dd50d27b62dedf6
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-523919.js
@@ -0,0 +1,31 @@
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --cache=code
+
+[1.5,
+[2.5,
+[3.5,
+[4.5,
+[5.5,
+[6.5,
+[7.5,
+[8.5,
+[9.5,
+[10.5,
+[11.5,
+[12.5,
+[13.5,
+[14.5,
+[15.5,
+[16.5,
+[17.5,
+[18.5,
+[19.5,
+[20.5,
+[21.5,
+[22.5,
+[23.5,
+[24.5,
+[25.5]]]]]]]]]]]]]]]]]]]]]]]]];