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

Calculating dependencies ... done!
Dependency resolution took 1.24 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/base64-bytestring-1.2.1.0-r1:0/1.2.1.0::gentoo  USE="-doc -hscolour -profile -test" 16 KiB
[ebuild  N     ] dev-haskell/blaze-builder-0.4.2.3:0/0.4.2.3::gentoo  USE="-doc -hscolour -profile -test" 60 KiB
[ebuild  N     ] dev-haskell/mime-types-0.1.1.0:0/0.1.1.0::gentoo  USE="-doc -hscolour -profile" 12 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/splitmix-0.1.3.2:0/0.1.3.2::gentoo  USE="-doc -hscolour -optimised-mixer -profile (-test)" 12 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/appar-0.1.8-r1:0/0.1.8::gentoo  USE="-doc -hscolour -profile" 4 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/data-default-0.8.0.1:0/0.8.0.1::gentoo  USE="-doc -hscolour -profile -test" 6 KiB
[ebuild  N     ] dev-haskell/semigroups-0.20.1:0/0.20.1::gentoo  USE="-doc -hscolour -profile" 6 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/random-1.2.1.3:0/1.2.1.3::gentoo  USE="-doc -hscolour -profile -test" 47 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/iproute-1.7.15:0/1.7.15::gentoo  USE="-doc -hscolour -profile -test" 18 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/data-default-class-0.2.0.0:0/0.2.0.0::gentoo  USE="-doc -hscolour -profile" 2 KiB
[ebuild  N     ] dev-haskell/async-2.2.5-r1:0/2.2.5::gentoo  USE="-doc -hscolour -profile -test" 19 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/cookie-0.5.1:0/0.5.1::gentoo  USE="-doc -hscolour -profile -test" 7 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/streaming-commons-0.2.3.0:0/0.2.3.0::gentoo  USE="-doc -hscolour -profile -test" 37 KiB
[ebuild  N     ] dev-haskell/http-client-0.7.19:0/0.7.19::gentoo  USE="-doc -hscolour -profile -test" 95 KiB

Total: 31 packages (31 new), Size of downloads: 241642 KiB