This CL extends the existing ArrayPop C++ builtin with a generic
slow-path that replaces the JavaScript fallback.

R=cbruni@chromium.org, jgruber@chromium.org

Bug: v8:7624
Change-Id: Ie3ce5379e5c65df67cbc4d956390a8701345ea3c
Reviewed-on: https://chromium-review.googlesource.com/1127162
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54284}