This again improves readability and makes the code much shorter. It
might also allow us to generate a scheduled graph directly in the
future, for improved wrapper compile times.

R=jkummerow@chromium.org

Bug: v8:10123
Change-Id: I0225d685a0660adb265eedcd160dfac6b4b23c87
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2060001Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66287}