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

Calculating dependencies ... done!
Dependency resolution took 1.03 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/menhir-20250912:0/20250912::gentoo  USE="ocamlopt" 1251 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/yojson-3.0.0:0/3.0.0::gentoo  USE="ocamlopt -examples -test" 56 KiB
[ebuild  N     ] dev-ml/zarith-1.14:0/1.14::gentoo  USE="ocamlopt -doc" 90 KiB
[ebuild  N     ] sci-mathematics/coq-9.2.0:0/9.2.0::gentoo  USE="ocamlopt -debug -gui -native-compiler -test" 6407 KiB
[ebuild  N     ] sci-mathematics/coq-stdlib-9.1.0:0/9.1.0::gentoo  USE="ocamlopt" 1821 KiB
[ebuild  N     ] dev-ml/coq-menhirlib-20240715:0/20240715::gentoo  USE="ocamlopt" 1217 KiB

Total: 11 packages (11 new), Size of downloads: 21286 KiB