Port 9336f4cc

Original commit message:
    This is useful for escape analysis, and helps upcoming changes to
    type feedback gathering.

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

Review URL: https://codereview.chromium.org/1887003004

Cr-Commit-Position: refs/heads/master@{#35534}