Recent Clang versions have enhanced -Wunused-but-set-variable which now warns about this. Bug: chromium:1309955 Change-Id: Ie70df85f5a6d2cbabb4e10960bfd926ff7bf32cb Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/257162 Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Reviewed-by: Henrik Andreassson <henrika@webrtc.org> Commit-Queue: Hans Wennborg <hans@chromium.org> Cr-Commit-Position: refs/heads/main@{#36381}