We are going to change again Tagged to not mean 'Full Tagged'. Then,
we have to reintroduce these operators.

These allow to write a tagged uncompressed pointer even if pointer
compression is enabled.

This CL is basically a revert of
https://chromium-review.googlesource.com/c/v8/v8/+/1593301.

Bug: v8:7703
Change-Id: Ic1c66690b6bc74f697c9f5bf6d3ff45bb764c268
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1817612Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63949}