Fix a sanitizer undefined behavior error found by the fuzzer in
function AddAll32BitIntFastCallback_6Args, due to a possible integer
underflow or overflow.

Bug: chromium:1223873
Change-Id: Ibef53ce2b4421bed5154a694fb607d36f2bba28a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2993551Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75435}