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

Calculating dependencies ... done!
Dependency resolution took 1.09 s (backtrack: 0/20).

[ebuild  N     ] dev-lang/ocaml-5.5.1:0/5.5.1::gentoo  USE="ocamlopt -emacs -flambda -latex -test -xemacs" 6457 KiB
[ebuild  N     ] dev-ml/dune-3.23.1:0/3.23.1::gentoo  USE="-emacs -test" 3624 KiB
[ebuild  N     ] dev-ml/findlib-1.9.8-r1:0/1::gentoo  USE="ocamlopt -doc -tk" 269 KiB
[ebuild  N     ] dev-ml/result-1.5:0/1.5::gentoo  USE="ocamlopt" 3 KiB
[ebuild  N     ] dev-ml/menhir-20250912:0/20250912::gentoo  USE="ocamlopt" 1251 KiB
[ebuild  N     ] dev-ml/ocamlbuild-0.16.1:0/0.16.1::gentoo  USE="ocamlopt" 198 KiB
[ebuild  N     ] dev-ml/ocplib-simplex-0.4.1::gentoo  USE="ocamlopt" 32 KiB
[ebuild  N     ] dev-ml/camlzip-1.14:1/1.14::gentoo  USE="ocamlopt" 33 KiB
[ebuild  N     ] dev-ml/num-1.6-r1::gentoo  USE="ocamlopt" 67 KiB
[ebuild  N     ] dev-ml/stdlib-shims-0.3.0::gentoo  USE="ocamlopt" 10 KiB
[ebuild  N     ] dev-ml/zarith-1.14:0/1.14::gentoo  USE="ocamlopt -doc" 90 KiB
[ebuild  N     ] dev-ml/dune-build-info-3.21.1:0/3.21.1::gentoo  USE="ocamlopt" 3352 KiB
[ebuild  N     ] sci-mathematics/psmt2-frontend-0.4.0:0/0.4.0::gentoo  USE="ocamlopt -test" 70 KiB
[ebuild  N     ] dev-ml/csexp-1.5.2-r1:0/1.5.2::gentoo  USE="ocamlopt -test" 12 KiB
[ebuild  N     ] dev-ml/topkg-1.1.1:0/1.1.1::gentoo  USE="ocamlopt" 119 KiB
[ebuild  N     ] dev-ml/cmdliner-2.1.0:0/2.1.0::gentoo  USE="ocamlopt" 96 KiB
[ebuild  N     ] dev-ml/dune-configurator-3.21.1:0/3.21.1::gentoo  USE="ocamlopt" 0 KiB
[ebuild  N     ] sci-mathematics/alt-ergo-2.4.3-r3:0/2.4.3::gentoo  USE="ocamlopt -examples -gui" 2835 KiB

Total: 18 packages (18 new), Size of downloads: 18509 KiB