This is part of an effort to improve the performance of TA#subarray.

Bug: v8:7161
Change-Id: I1579ee45a810e1f2d0279fef9e18bad09e1fc3d9
Reviewed-on: https://chromium-review.googlesource.com/c/1426107Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59048}