Trying to create a PR for a checked-out branch, which also has a dependent branch, fails. It looks like the commit is associated with multiple branches, and prioritize_branches picks the first alphabetically. I think it should prioritise the checked out branch, and the comment there says that it does.
Pull request: https://github.com/WebKit/WebKit/pull/5275
Committed 255516@main (df651783f47d): <https://commits.webkit.org/255516@main> Reviewed commits have been landed. Closing PR #5275 and removing active labels.
<rdar://problem/101153360>
Committed 252432.590@safari-7614-branch (14c37a4b8903): <https://commits.webkit.org/252432.590@safari-7614-branch> Reviewed commits have been landed. Closing PR #141 and removing active labels.