2a06fb66d0
The codegen path for map-of-slice-of-pointer fields, skipped nil-valued entries. That dropped the key from the map. This broke how dns.Config.Routes uses nil values sentinels. Fixes #19730 Fixes #19732 Fixes #19746 Fixes #19744 Change-Id: Ic6400227f4ab21b3ca0e8c0eeecf9b83d145a9ab Signed-off-by: Fernando Serboncini <fserb@tailscale.com>