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

Calculating dependencies ... done!
Dependency resolution took 1.21 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/text-2.1.1:0/2.1.1::gentoo  USE="simdutf -doc -hscolour -profile" 294 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/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/network-3.2.8.0:0/3.2.8.0::gentoo  USE="-devel -doc -hscolour -profile -test" 143 KiB
[ebuild  N     ] dev-haskell/byteorder-1.0.4-r1:0/1.0.4::gentoo  USE="-doc -hscolour -profile" 2 KiB
[ebuild  N     ] dev-haskell/cabal-doctest-1.0.11:0/1.0.11::gentoo  USE="-doc -hscolour -profile" 13 KiB
[ebuild  N     ] dev-haskell/data-array-byte-0.1.0.2:0/0.1.0.2::gentoo  USE="-doc -hscolour -profile (-test)" 7 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/semigroups-0.20.1:0/0.20.1::gentoo  USE="-doc -hscolour -profile" 6 KiB
[ebuild  N     ] dev-haskell/auto-update-0.2.6:0/0.2.6::gentoo  USE="-doc -hscolour -profile -test" 15 KiB
[ebuild  N     ] dev-haskell/easy-file-0.2.5:0/0.2.5::gentoo  USE="-doc -hscolour -profile -test" 14 KiB
[ebuild  N     ] dev-haskell/unix-compat-0.7.4.1:0/0.7.4.1::gentoo  USE="-doc -hscolour -profile -test" 16 KiB
[ebuild  N     ] dev-haskell/old-locale-1.0.0.7:0/1.0.0.7::gentoo  USE="-doc -hscolour -profile" 4 KiB
[ebuild  N     ] dev-haskell/hashable-1.4.7.0:0/1.4.7.0::gentoo  USE="-doc -hscolour -profile -random-initial-seed" 88 KiB
[ebuild  N     ] dev-haskell/old-time-1.1.0.4:0/1.1.0.4::gentoo  USE="-doc -hscolour -profile" 74 KiB
[ebuild  N     ] dev-haskell/unordered-containers-0.2.21:0/0.2.21::gentoo  USE="-doc -hscolour -profile -test" 71 KiB
[ebuild  N     ] dev-haskell/case-insensitive-1.2.1.0:0/1.2.1.0::gentoo  USE="-doc -hscolour -profile -test" 53 KiB
[ebuild  N     ] dev-haskell/unix-time-0.4.15:0/0.4.15::gentoo  USE="-doc -hscolour -profile -test" 52 KiB
[ebuild  N     ] dev-haskell/http-types-0.12.4:0/0.12.4::gentoo  USE="-doc -hscolour -profile -test" 19 KiB
[ebuild  N     ] dev-haskell/fast-logger-3.2.6:0/3.2.6::gentoo  USE="-doc -hscolour -profile -test" 15 KiB
[ebuild  N     ] dev-haskell/vault-0.3.1.5-r3:0/0.3.1.5::gentoo  USE="-doc -hscolour -profile" 8 KiB
[ebuild  N     ] dev-haskell/wai-3.2.4:0/3.2.4::gentoo  USE="-doc -hscolour -profile -test" 13 KiB
[ebuild  N     ] dev-haskell/wai-logger-2.4.0:0/2.4.0::gentoo  USE="-doc -hscolour -profile" 6 KiB

Total: 27 packages (27 new), Size of downloads: 241526 KiB