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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] dev-cpp/gtest-1.17.0:0/1.17.0::gentoo  USE="(-abseil) -doc -examples -test" 865 KiB
[ebuild  N     ] dev-libs/libpsl-native-7.4.0:0/7.4::gentoo  283 KiB

Total: 2 packages (2 new), Size of downloads: 1147 KiB