All reports of debug-package-should-be-priority-extra for the archive. The extended description of this tag is:

This package has a name suggesting that it contains detached debugging symbols. If so, it should have priority "extra" since users normally do not need such packages.

Severity: normal, Certainty: certain

Check: fields, Type: binary, udeb, source

This tag has not been emitted in any package tested by Lintian.