Reported here:
https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20NumFuzz%20-%20TSAN/3108

R=yangguo@chromium.org

Bug: v8:8278
Change-Id: I78d13cea592678c1ab73b61fd9738f375df565d0
Reviewed-on: https://chromium-review.googlesource.com/c/1276631Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56576}