Add proper cfgs for struct HirIdValidator used only with debug assertions

compiler/rustc_interface/src/passes.rs

@@ -686,6 +686,11 @@ pub fn create_global_ctxt<'tcx>(
 /// Runs the type-checking, region checking and other miscellaneous analysis
 /// passes on the crate.
 fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
+    if tcx.sess.opts.unstable_opts.hir_stats {
+        rustc_passes::hir_stats::print_hir_stats(tcx);
+    }
+
+    #[cfg(debug_assertions)]
     rustc_passes::hir_id_validator::check_crate(tcx);
 
     let sess = tcx.sess;

compiler/rustc_passes/src/hir_id_validator.rs

@@ -1,28 +1,17 @@
 use rustc_data_structures::sync::Lock;
 use rustc_hir as hir;
 use rustc_hir::def_id::LocalDefId;
-use rustc_hir::intravisit;
-use rustc_hir::{HirId, ItemLocalId};
+use rustc_hir::{intravisit, HirId, ItemLocalId};
 use rustc_index::bit_set::GrowableBitSet;
 use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::TyCtxt;
 
 pub fn check_crate(tcx: TyCtxt<'_>) {
-    if tcx.sess.opts.unstable_opts.hir_stats {
-        crate::hir_stats::print_hir_stats(tcx);
-    }
-
-    #[cfg(debug_assertions)]
-    {
     let errors = Lock::new(Vec::new());
 
     tcx.hir().par_for_each_module(|module_id| {
-            let mut v = HirIdValidator {
-                tcx,
-                owner: None,
-                hir_ids_seen: Default::default(),
-                errors: &errors,
-            };
+        let mut v =
+            HirIdValidator { tcx, owner: None, hir_ids_seen: Default::default(), errors: &errors };
 
         tcx.hir().visit_item_likes_in_module(module_id, &mut v);
     });
@@ -34,7 +23,6 @@ pub fn check_crate(tcx: TyCtxt<'_>) {
         tcx.dcx().delayed_bug(message);
     }
 }
-}
 
 struct HirIdValidator<'a, 'hir> {
     tcx: TyCtxt<'hir>,

compiler/rustc_passes/src/lib.rs

@@ -28,6 +28,7 @@ mod debugger_visualizer;
 mod diagnostic_items;
 pub mod entry;
 mod errors;
+#[cfg(debug_assertions)]
 pub mod hir_id_validator;
 pub mod hir_stats;
 mod lang_items;