Port 3dffdf03

Original Commit Message:

    This adds support for the following instructions:
    ref.eq, array.new_with_rtt, array.new_default_with_rtt,
    array.get, array.set, array.len.

R=jkummerow@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: I5e517967648251f9babbabe4dc9148a5432aa58e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2595927Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#71807}