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

Calculating dependencies ... done!
Dependency resolution took 1.09 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libsigsegv-2.15::gentoo  483 KiB
[ebuild  N     ] dev-libs/ffcall-2.5::gentoo  1418 KiB
[ebuild  N     ] dev-libs/libpcre-8.45-r4:3::gentoo  USE="bzip2 cxx jit pcre16 readline (unicode) zlib -libedit -pcre32 -static-libs -valgrind" 1542 KiB
[ebuild  N     ] x11-misc/xorg-cf-files-1.0.9::gentoo  171 KiB
[ebuild  N     ] x11-misc/imake-1.0.10::gentoo  152 KiB
[ebuild  N     ] dev-lisp/asdf-3.3.5-r1:0/3.3.5-r1::gentoo  USE="-doc -test" 509 KiB
[ebuild  N     ] dev-lisp/uiop-3.3.5::gentoo  102 KiB
[ebuild  N     ] dev-lisp/clisp-2.49.92-r1:2/8::gentoo  USE="X dbus gdbm pcre readline threads unicode zlib -berkdb -fastcgi -gtk -hyperspec -postgres (-svm)" 8843 KiB
[ebuild  N     ] virtual/commonlisp-0-r1::gentoo  0 KiB

Total: 9 packages (9 new), Size of downloads: 13218 KiB