We implement loop peeling for wasm, currently available behind a flag.
Loops are peeled regardless of size.

Bug: v8:11510
Change-Id: Ia4c883abdee83df632b2611584d608c44e3295c8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3367615Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78496}