This is a reland of 3145505a,
after removing the clashing Register name binding.

Original change's description:
> [turbofan] Support new.target in the serializer.
>
> Bug: v8:7790
> Change-Id: Ie98cff6f8b1f184c8152952cc3d39e373c93565d
> Reviewed-on: https://chromium-review.googlesource.com/c/1435943
> Commit-Queue: Georg Neis <neis@chromium.org>
> Reviewed-by: Maya Lekova <mslekova@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#59118}

Tbr: mslekova@chromium.org
Bug: v8:7790
Change-Id: I354d7907342e1f040d01eecc8b51ffca6e83c28d
Reviewed-on: https://chromium-review.googlesource.com/c/1442233
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59160}