Auto merge of #118661 - fee1-dead-contrib:restore-const-partialEq, r=compiler-errors

Restore `const PartialEq`

And thus fixes a number of tests. There is a bug that still needs to be fixed, so WIP for now.

r? `@compiler-errors`

compiler/rustc_lint/src/context.rs

@@ -1285,7 +1285,6 @@ impl<'tcx> LateContext<'tcx> {
                 &mut self,
                 print_prefix: impl FnOnce(&mut Self) -> Result<(), PrintError>,
                 _args: &[GenericArg<'tcx>],
-                _params: &[ty::GenericParamDef],
             ) -> Result<(), PrintError> {
                 print_prefix(self)
             }