The sp register's value should be modified to drop all the args
from the stack.

Change-Id: I7410d325523427d765eb0640e14acede5589284f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2479222Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70563}