These are the packages that would be merged, in order:

Calculating world dependencies     ... done!
[ebuild     U ] sys-libs/timezone-data-2007k [2007j] USE="nls" 346 kB
[ebuild     U ] dev-libs/libpcre-7.6 [7.4] USE="cxx%* unicode zlib%* -bzip2% -doc" 785 kB
[ebuild     U ] sys-apps/pciutils-2.2.9 [2.2.8] USE="zlib -network-cron" 229 kB
[ebuild     U ] sys-apps/less-418 [416] USE="unicode" 293 kB
[ebuild     U ] sys-libs/readline-5.2_p12-r1 [5.2_p7] 10 kB
[ebuild     U ] sys-libs/cracklib-2.8.12 [2.8.10] USE="nls python" 573 kB
[ebuild     U ] sys-apps/file-4.23 [4.21-r1] USE="python" 551 kB
[ebuild     U ] sys-apps/man-1.6f [1.6e-r3] USE="nls" 249 kB
[ebuild     U ] dev-libs/glib-2.14.6 [2.14.5] USE="-debug -doc -hardened" 3,327 kB
[ebuild     U ] sys-process/psmisc-22.6 [22.5-r2] USE="nls -X -ipv6 (-selinux)" 277 kB

Total: 10 packages (10 upgrades), Size of downloads: 6,636 kB