BUG=
TEST=test-serialize/Deserialize,
test-serialize/DeserializeFromSecondSerializationAndRunScript2,
test-serialize/DeserializeAndRunScript2,
test-serialize/DeserializeFromSecondSerialization

Review URL: https://codereview.chromium.org/18702002
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00