incr.comp.: Don't ignore dep-tracking during HirId validation.

compiler/rustc_passes/src/hir_id_validator.rs

@@ -8,34 +8,32 @@ use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::TyCtxt;
 
 pub fn check_crate(tcx: TyCtxt<'_>) {
-    tcx.dep_graph.with_ignore(|| {
+    if tcx.sess.opts.unstable_opts.hir_stats {
-        if tcx.sess.opts.unstable_opts.hir_stats {
+        crate::hir_stats::print_hir_stats(tcx);
-            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,
+            };
+
+            tcx.hir().visit_item_likes_in_module(module_id, &mut v);
+        });
+
+        let errors = errors.into_inner();
+
+        if !errors.is_empty() {
+            let message = errors.iter().fold(String::new(), |s1, s2| s1 + "\n" + s2);
+            tcx.sess.delay_span_bug(rustc_span::DUMMY_SP, &message);
         }
-
+    }
-        #[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,
-                };
-
-                tcx.hir().visit_item_likes_in_module(module_id, &mut v);
-            });
-
-            let errors = errors.into_inner();
-
-            if !errors.is_empty() {
-                let message = errors.iter().fold(String::new(), |s1, s2| s1 + "\n" + s2);
-                tcx.sess.delay_span_bug(rustc_span::DUMMY_SP, &message);
-            }
-        }
-    })
 }
 
 struct HirIdValidator<'a, 'hir> {