Auto merge of #87424 - RalfJung:const-check, r=oli-obk

rename const checking visitor module to check_consts::check

This avoids naming ambiguities with "const validation" which is in `interpret/validity.rs` and checks *values*.

r? `@oli-obk`

compiler/rustc_mir/src/transform/mod.rs

@@ -241,7 +241,7 @@ fn mir_const_qualif(tcx: TyCtxt<'_>, def: ty::WithOptConstParam<LocalDefId>) ->
 
     let ccx = check_consts::ConstCx { body, tcx, const_kind, param_env: tcx.param_env(def.did) };
 
-    let mut validator = check_consts::validation::Validator::new(&ccx);
+    let mut validator = check_consts::check::Checker::new(&ccx);
     validator.check_body();
 
     // We return the qualifs in the return place for every MIR body, even though it is only used