Gentoo's Bugzilla –
Attachment 392582 Details for
Bug 533830app-admin/logrotate-3.8.8 with sys-devel/clang-3.5.0 - logrotate.c:1105:9: error: the value of the size argument in 'strncat' is too large, might lead to a buffer overflow [-Werror,-Wstrncat-size]