Port 0ba8b716
https://crrev.com/c/2202356

Port 67a337b5
https://crrev.com/c/2202718

Port 99e4ef48
https://crrev.com/c/2202722

Change-Id: I435c9859b9ef341682814bb989fe91ba8cae3d86
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2203896Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#67849}