This reverts commit effbbb8c.

Reason for revert: Breaks UBSan, see https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20UBSan/12858?

Original change's description:
> Roll test262
> 
> https://chromium.googlesource.com/external/github.com/tc39/test262/+log/e8cdf92..6397602
> 
> Bug: v8:7834, v8:4628, v8:10903, v8:10905
> Change-Id: I65bf15d6308126a4955abe0a6b0647834f4ff066
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2405804
> Reviewed-by: Shu-yu Guo <syg@chromium.org>
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69899}

TBR=ftang@chromium.org,syg@chromium.org

Change-Id: Ibe552e02cf7e7eb270d32bb6cb0650223259e304
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7834
Bug: v8:4628
Bug: v8:10903
Bug: v8:10905
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2410188Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69900}