Port 05873add
Port f2e8c978

Original commit message:

    The following ported to builtins:
    FastCloneRegExp
    FastCloneShallowArray
    FastCloneShallowObject

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2603003002
Cr-Commit-Position: refs/heads/master@{#41996}