This avoids a compile error when building with GCC in C++17 mode.

Bug: v8:12449
Change-Id: I14817895d31019fb71fc71b061f2ecf576dbc711
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3307102
Commit-Queue: Adam Klein <adamk@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78171}