Add HINT for restartpoint race with KeepFileRestoredFromArchive().
The five commits ending at cc2c7d65fc27e877c9f407587b0b92d46cd6dd16
closed this race condition for v15+. For v14 through v10, add a HINT to
discourage studying the cosmetic problem.
Reviewed by Kyotaro Horiguchi and David Steele.
Discussion: https://postgr.es/m/20220731061747.GA3692882@rfd.leadboat.com
Branch
------
REL_14_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/8ad6c5dbbe5a234c55c6663020db297251756006
Modified Files
--------------
src/backend/access/transam/xlog.c | 5 ++++-
src/backend/storage/file/fd.c | 10 ++++++++--
2 files changed, 12 insertions(+), 3 deletions(-)