Port: 9db3cb75

Port: 22e06c7b

Change-Id: Ib42f9729220365f1803cfbc634e3f37f5209e142
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2650045
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Auto-Submit: Liu yu <liuyu@loongson.cn>
Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#72351}