Otherwise SMC perturbs the icache too much it seems.

Change-Id: Iceea779a7e3deee90efe29df568732d6ac5bcffa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2753768
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Auto-Submit: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73355}