All reports of package-installs-nonbinary-perl-in-usr-lib-perl5 for the archive. The extended description of this tag is:
Architecture-independent Perl code should be placed in /usr/share/perl5, not /usr/lib/.../perl5 unless there is at least one architecture-dependent file in the module.
Refer to Debian Perl Policy section 2.3 (Module Path) for details.
This tag has not been emitted in any package tested by Lintian.