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

Calculating dependencies ... done!
Dependency resolution took 1.57 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/Filesys-Statvfs-0.820.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 4 KiB
[ebuild  N     ] dev-perl/Unix-Mknod-0.50.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 5 KiB
[ebuild  N     ] dev-perl/Lchown-1.10.0-r4::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 4 KiB
[ebuild  NS    ] sys-fs/fuse-2.9.9-r2:0::gentoo [3.18.1:3/4::gentoo] USE="-examples% -static-libs% (-io-uring%) (-suid%*) (-systemtap%) (-test%)" 1774 KiB
[ebuild  N     ] dev-perl/Fuse-0.16.1-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 42 KiB

Total: 5 packages (4 new, 1 in new slot), Size of downloads: 1829 KiB