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

Calculating dependencies ... done!
Dependency resolution took 1.13 s (backtrack: 0/20).

[ebuild  N     ] dev-db/lmdb-0.9.36:0/0.9.36::gentoo  USE="-static-libs" 147 KiB
[ebuild  N     ] dev-perl/common-sense-3.750.0::gentoo  PERL_FEATURES="ithreads (-debug) -quadmath" 14 KiB
[ebuild  N     ] dev-perl/Canary-Stability-2013.0.0::gentoo  PERL_FEATURES="ithreads (-debug) -quadmath" 5 KiB
[ebuild  N     ] dev-perl/Types-Serialiser-1.10.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 7 KiB
[ebuild  N     ] dev-perl/JSON-XS-4.40.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 86 KiB
[ebuild  N     ] dev-perl/JSON-4.100.0::gentoo  USE="xs -examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 93 KiB
[ebuild  N     ] app-crypt/heimdal-7.8.0-r3::gentoo  USE="X gdbm lmdb -afs -berkdb -caps -hdb-ldap -otp (-selinux) -static-libs -test" 9790 KiB

Total: 7 packages (7 new), Size of downloads: 10139 KiB