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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] sys-boot/gnu-efi-3.0.19::gentoo  USE="(-custom-cflags)" 214 KiB
[ebuild  N     ] sys-boot/refind-0.14.2-r4::gentoo  USE="ext2 ext4 iso9660 -btrfs -doc -hfs -ntfs -reiserfs -secureboot" 4520 KiB

Total: 2 packages (2 new), Size of downloads: 4734 KiB