Clojurians Log v2

Filed one of the wackier bugs I've seen in a while: https://clojure.atlassian.net/browse/CLJ-2903 Basically, things lined up just right in Clojure 1.12 to change what happens if you (require 'clojure.core) —it used to have no effect, but now the namespace does get evaluated. This ends up breaking gen-class because the stuff that gets pulls in via (load "genclass") doesn't run again, so the gen-class macro ends up losing its macro flag. This ended up manifesting in a really obtuse way: I couldn't load some gen-class'd namespaces for some of my projects at the REPL with Clojure 1.12, and that ended up being because https://github.com/clojure-emacs/orchard/blob/2cecd312ae735e0e65c376a441d83e9e60c04390/src/orchard/spec.clj#L58, and https://github.com/clojure/test.check/blob/0ee576eb73d4864c199305c4a0c1e8101d8d1b39/src/main/clojure/clojure/test/check/generators.cljc#L15 to make some CLJC stuff cleaner. I'm interested as to whether you all think that the solution here is doing something to stop clojure.core from being reloaded (as it was pre-1.12), fixing it up such that a reload doesn't break anything, or maybe guiding library developers with some advice that requiring clojure.core isn't something they should be doing in the first place. Ignore, this was PEBKAC.