It was shipped in Chrome 66.

Bug: v8:4958, v8:8255, v8:8238
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I52fb826f4f245bc6484d8f406ecf99bc17d268ee
Reviewed-on: https://chromium-review.googlesource.com/c/1254123Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56350}