Port ae60ea7e

Original Commit Message:

    The mode without write barriers works only if incremental marking
    is disabled and the single generation mode is enabled.

R=wangrong089@gmail.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: If2eb047bed41b92a0366c1401d0acf069257b650
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1733730Reviewed-by: Milad Farazmand <miladfar@ca.ibm.com>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#63080}