... by default when fast W^X is enabled.

Bug: v8:12054
Change-Id: I242567a07aa323127e5f7cdcbf3a1a7d5708b923
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3688518
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80995}