This CL fixes tests failure caused by register allocation conflicts.

Change-Id: Ie5ba445d2e36047abf95644b613f49d3ed47315f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2963492Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Auto-Submit: Liu yu <liuyu@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#75154}