Merge-Queue should build WebKit before landing a change. Unsafe-Merge-Queue should not do this verification.
<rdar://problem/91565146>
Pull request: https://github.com/WebKit/WebKit/pull/271
Committed r292755 (249539@main): <https://commits.webkit.org/249539@main> Reviewed commits have been landed. Closing PR #271 and removing active labels.