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

Calculating dependencies ... done!
Dependency resolution took 1.20 s (backtrack: 0/20).

[ebuild  N     ] app-text/dos2unix-7.5.7::gentoo  USE="nls -debug -test -verify-sig" 977 KiB
[ebuild  N     ] dev-lang/ghc-9.8.4-r1:0/9.8.4::gentoo  USE="gmp (-big-endian) -doc -elfutils -ghcbootstrap -ghcmakebinary -llvm -numa -profile -test -unregisterised -verify-sig" LLVM_SLOT="20 -17 -18 -19" 238903 KiB
[ebuild  N     ] app-admin/haskell-updater-1.5.0.0::gentoo  45 KiB
[ebuild  N     ] dev-haskell/parsec-3.1.17.0:0/3.1.17.0::gentoo  USE="-doc -hscolour -profile" 38 KiB
[ebuild  N     ] dev-haskell/text-2.1.1:0/2.1.1::gentoo  USE="simdutf -doc -hscolour -profile" 294 KiB
[ebuild  N     ] dev-haskell/cabal-syntax-3.10.3.0:0/3.10.3.0::gentoo  USE="-doc -hscolour -profile" 228 KiB
[ebuild  N     ] dev-haskell/cabal-3.10.3.0:0/3.10.3.0::gentoo  USE="-doc -hscolour -profile" 389 KiB
[ebuild  N     ] dev-haskell/base16-bytestring-1.0.2.0:0/1.0.2.0::gentoo  USE="-doc -hscolour -profile -test" 10 KiB
[ebuild  N     ] dev-haskell/base64-bytestring-1.2.1.0-r1:0/1.2.1.0::gentoo  USE="-doc -hscolour -profile -test" 16 KiB
[ebuild  N     ] dev-haskell/cryptohash-sha256-0.11.102.1-r1:0/0.11.102.1::gentoo  USE="-doc -executable -hscolour -profile -test" 21 KiB
[ebuild  N     ] dev-haskell/ed25519-0.0.5.0-r2:0/0.0.5.0::gentoo  USE="-doc -hscolour -profile" 83 KiB
[ebuild  N     ] dev-haskell/network-3.2.8.0:0/3.2.8.0::gentoo  USE="-devel -doc -hscolour -profile -test" 143 KiB
[ebuild  N     ] dev-haskell/zlib-0.7.1.0:0/0.7.1.0::gentoo  USE="-bundled-c-zlib -doc -hscolour -non-blocking-ffi -profile -test" 34 KiB
[ebuild  N     ] dev-haskell/lukko-0.1.2:0/0.1.2::gentoo  USE="-doc -hscolour -profile -test" 33 KiB
[ebuild  N     ] dev-haskell/os-string-2.0.8:0/2.0.8::gentoo  USE="-doc -hscolour -profile -test" 44 KiB
[ebuild  N     ] dev-haskell/th-compat-0.1.7:0/0.1.7::gentoo  USE="-doc -hscolour -profile -test" 15 KiB
[ebuild  N     ] dev-haskell/network-uri-2.6.4.2-r1:0/2.6.4.2::gentoo  USE="-doc -hscolour -profile (-test)" 34 KiB
[ebuild  N     ] dev-haskell/tar-0.6.3.0:0/0.6.3.0::gentoo  USE="-doc -hscolour -profile -test" 58 KiB
[ebuild  N     ] dev-haskell/hackage-security-0.6.2.6:0/0.6.2.6::gentoo  USE="lukko -doc -hscolour -profile" 93 KiB

Total: 19 packages (19 new), Size of downloads: 241451 KiB