pre-stripped binaries found: /var/tmp/portage/pam-0.78-r5/image/lib/security/pam_filter/upperLOWER
I know, but it's too much of a mess to try to fix that particular bit. The problem is also fixed in pam-0.99* series, that I hope to be able to put in ~arch soon.
*** Bug 166773 has been marked as a duplicate of this bug. ***