Merged r19834, r19843 into 3.23 branch.

Fix lazy deopt after tagged binary ops

BUG=chromium:350434
LOG=N
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/204353003

git-svn-id: https://v8.googlecode.com/svn/branches/3.23@20068 ce2b1a6d-e550-0410-aec6-3dcde31c8c00