This is a reland of 2d2c1374 without
changes. Offending chromium tests have been modified.

Original change's description:
> Reland^2 "[turbofan] Use feedback when reducing global loads/stores."
>
> This reverts commit ac85ab0a. A
> chromium test caused trouble and was taken care of in
> https://chromium-review.googlesource.com/c/1384064.
>
> Original change's description:
> > [turbofan] Use feedback when reducing global loads/stores.
> >
> > We already record the script context location or the property cell
> > as feedback of the global load/store IC, so Turbofan doesn't need
> > to do the lookups again.
>
> TBR=sigurds@chromium.org
>
> Change-Id: I58bcd9bceec2f9cf401f7b0fc4460a6da6cd0abc
> Reviewed-on: https://chromium-review.googlesource.com/c/1386404
> Commit-Queue: Georg Neis <neis@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58393}

Change-Id: Ic6734201a6c45f2752488ab44b16859776802f51
Reviewed-on: https://chromium-review.googlesource.com/c/1408252Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58769}