This fix build error(mksnapshot) on mips64el after
https://crrev.com/c/1526009. We should implements
"compress changes" functions on mips64, but now mips64 build
failed while enable pointer compression, we need port some
more pacth to mips64, for example: https://crrev.com/c/1477215

Change-Id: I745cc9b0cf60825f526720db7f5eaedd923b4634
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1549133
Commit-Queue: Yu Yin <xwafish@gmail.com>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60799}