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

Calculating dependencies ... done!
Dependency resolution took 2.22 s (backtrack: 1/20).

[ebuild     U  ] virtual/editor-0-r8::gentoo [0-r7::gentoo] 0 KiB
[ebuild  N     ] app-editors/vim-classic-core-8.3.0::gentoo  USE="acl nls -minimal -verify-sig" 14422 KiB
[uninstall     ] app-editors/vim-core-9.1.1652-r3::gentoo  USE="acl nls -minimal" 
[blocks b      ] app-editors/vim-core ("app-editors/vim-core" is soft blocking app-editors/vim-classic-core-8.3.0)
[ebuild  N     ] app-editors/vim-classic-8.3.0::gentoo  USE="X acl gpm nls python -cscope -debug -lua -minimal -perl -racket -ruby (-selinux) -sound -tcl -terminal -verify-sig -vim-pager" LUA_SINGLE_TARGET="lua5-1 -lua5-3 -lua5-4 -luajit" PERL_FEATURES="ithreads (-debug) -quadmath" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13 (-python3_15)" 14422 KiB
[uninstall     ] app-editors/vim-9.1.1652-r2::gentoo  USE="acl crypt gpm nls python -X -cscope -debug -lua -minimal -perl -racket -ruby (-selinux) -sound -tcl -terminal -vim-pager -wayland" LUA_SINGLE_TARGET="lua5-1 -lua5-3 -lua5-4 -luajit" PERL_FEATURES="ithreads (-debug) -quadmath" PYTHON_SINGLE_TARGET="python3_13 -python3_11 -python3_12 -python3_14" 
[blocks b      ] app-editors/vim ("app-editors/vim" is soft blocking app-editors/vim-classic-8.3.0)

Total: 3 packages (1 upgrade, 2 new, 2 uninstalls), Size of downloads: 28844 KiB
Conflict: 2 blocks (all satisfied)