..., this.x(), this.?x and this?.x(). For common
case like these, it's not necessary to store the
source position for the ThisExpression. And we
could use the cached kNoSourcePosition ThisExpression
for these.

Bug: v8:10914
Change-Id: I02e2bc1633f6da036535d7a76bdabeac0d22f4d9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3585490Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: 王澳 <wangao.james@bytedance.com>
Cr-Commit-Position: refs/heads/main@{#79982}