Rollup merge of rust-lang#100721 - JhonnyBillM:enable-diag-lint-in-type-ir, r=compiler-errors

Add diagnostics lints to `rustc_type_ir` module

Module is complete. It doesn’t have any diagnostics.

Author: Dylan-DPC

compiler/rustc_type_ir/src/lib.rs

@@ -1,6 +1,8 @@
 #![feature(fmt_helpers_for_derive)]
 #![feature(min_specialization)]
 #![feature(rustc_attrs)]
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
 
 #[macro_use]
 extern crate bitflags;