After https://commits.webkit.org/265569@main, we have three separate heap allocations when creating a WebCore::Path with a single segment. (The PathStream, the SegmentsData, and its Vector buffer.) Before that commit, we had inline storage for a single segment.
rdar://112501668
Pull request: https://github.com/WebKit/WebKit/pull/15917
Committed 266156@main (816baea44df6): <https://commits.webkit.org/266156@main> Reviewed commits have been landed. Closing PR #15917 and removing active labels.