It will be used by consume_init_expr().

Bug: v8:11895
Change-Id: I577b5126a3c2cd0a6075ff9f085b4c93a8554846
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2972906
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75259}