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

Calculating dependencies ... done!
Dependency resolution took 1.07 s (backtrack: 0/20).

[ebuild  N     ] dev-python/pypy-exe-bin-8.0.0:8.0.0::gentoo  10600 KiB
[ebuild  N     ] dev-lang/pypy-2.7.8.0.0-r1:2.7/pypy-80::gentoo  USE="bzip2 gdbm jit ncurses sqlite -full-stdlib -tk" 20815 KiB

Total: 2 packages (2 new), Size of downloads: 31415 KiB