BUG=http://code.google.com/p/v8/issues/detail?id=1342
TEST=test-api/HasOwnProperty

Review URL: http://codereview.chromium.org/6903059

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7699 ce2b1a6d-e550-0410-aec6-3dcde31c8c00