in perldiag.pod for new warning "Can't fork, trying again in 5 seconds"
added in the parent commit
=item Can't fork, trying again in 5 seconds
-(W) A fork in a piped open failed with EAGAIN and will be retried
+(W pipe) A fork in a piped open failed with EAGAIN and will be retried
after five seconds.
=item Can't get filespec - stale stat buffer?