Performance and stability improvements on all platforms.

TBR=v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com

Change-Id: Ie48faa0c4d7b90949708be60ff465105ed771518
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1672548
Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/7.7.132@{#1}
Cr-Branched-From: 942f3e113095461fe3b6b24fd676b07873adbec9-refs/heads/master@{#62322}