Port cede9ce5

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=v8:5086
LOG=N

Review-Url: https://codereview.chromium.org/2113193002
Cr-Commit-Position: refs/heads/master@{#37465}