to make TSAN happy.

Bug: v8:8518
Change-Id: I1c7291cc6035c7e88758d867cb74467c59e95ef1
No-Tree-Checks: true
Reviewed-on: https://chromium-review.googlesource.com/c/1365285Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58075}