This function is trivial, can and be inlined to the single use.
This makes utils.h a tiny little bit smaller.

R=verwaest@chromium.org

Bug: v8:9810, v8:8912
Change-Id: I877f3713530644a1cb9e0f286cf87f55072d33da
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1903444Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64850}