Register diagnostics for rustc_privacy and rustc_trans properly

fixes #29665

src/librustc_driver/lib.rs

@@ -907,6 +907,8 @@ pub fn diagnostics_registry() -> diagnostics::registry::Registry {
     all_errors.push_all(&rustc_typeck::DIAGNOSTICS);
     all_errors.push_all(&rustc_borrowck::DIAGNOSTICS);
     all_errors.push_all(&rustc_resolve::DIAGNOSTICS);
+    all_errors.push_all(&rustc_privacy::DIAGNOSTICS);
+    all_errors.push_all(&rustc_trans::DIAGNOSTICS);
 
     Registry::new(&*all_errors)
 }

src/librustc_privacy/lib.rs

@@ -1505,3 +1505,5 @@ pub fn check_crate(tcx: &ty::ctxt,
 
     access_levels
 }
+
+__build_diagnostic_array! { librustc_privacy, DIAGNOSTICS }

src/librustc_trans/lib.rs

@@ -89,3 +89,5 @@ pub mod save;
 pub mod lib {
     pub use llvm;
 }
+
+__build_diagnostic_array! { librustc_trans, DIAGNOSTICS }