The tag is present in Lintian version 2.104.328. That is the most recent version we know about.
The given debugging symbols-only object is installed directly in
/usr/lib/debug, although it should be installed in a
subdirectory. For example, debug symbols of a binary in
/usr/bin should be placed in
gdb, when looking for debugging symbols, prepends
to whatever path it finds in the .gnu_debuglink section, which when using
dh_strip(1) is either the path to your binary/library or a build-id based