A ref whose file is absent at the pinned revision reported "pin revision
missing", which reads as code that vanished. When the same file is at
HEAD and the cited range fits it, nothing vanished: the ref was written
against HEAD while source_commit still names an older revision, and the
profile describes two trees at once. The reason now says so, because the
fix is the pin and not a hunt for a move that never happened.
This is the state three profiles were left in during their own
reprofiling, against a warning the repository already carries. A range
that overruns HEAD stays a plain miss, and a file absent from both
revisions is unchanged.
Abdessamad Derraz
1fb717324b