Migrate rustc_passes to translatable diagnostics

compiler/rustc_passes/src/lib.rs

@@ -12,6 +12,8 @@
 #![feature(min_specialization)]
 #![feature(try_blocks)]
 #![recursion_limit = "256"]
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
 
 #[macro_use]
 extern crate rustc_middle;