If the types allow it, sometimes generate a return call instead of a
regular call in the wasm-compile fuzzer.

R=clemensb@chromium.org

Bug: v8:10693
Change-Id: Ie5e92f2b012f655b9d7d5847dba4a669152635c3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316297
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69063}