> Can you give a way to reproduce the probglem on a macOS system, assuming one > has a tmpfs filesystem /A and a non-tmpfs filesystem /B? The scenario wasn't > entirely clear from the bug report.
Running the command “mount_tmpfs ~/mntpnt” mounts a tmpfs (and non CoW) filesystem at ~/mntpnt. The issue should be reproducible when moving directories and files within ~/mntpnt, but not between that filesystem and the parent APFS one, and vice versa.
