Add test case for missing deopt sequence after forced deopt.

R=danno@chromium.org
BUG=217858

Review URL: https://chromiumcodereview.appspot.com/13042005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14078 ce2b1a6d-e550-0410-aec6-3dcde31c8c00