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-rw-r--r--compiler/rustc_passes/src/check_attr.rs15
-rw-r--r--compiler/rustc_passes/src/check_const.rs10
-rw-r--r--compiler/rustc_passes/src/dead.rs16
-rw-r--r--compiler/rustc_passes/src/hir_id_validator.rs7
-rw-r--r--compiler/rustc_passes/src/hir_stats.rs6
-rw-r--r--compiler/rustc_passes/src/intrinsicck.rs14
-rw-r--r--compiler/rustc_passes/src/lib_features.rs10
-rw-r--r--compiler/rustc_passes/src/liveness.rs16
-rw-r--r--compiler/rustc_passes/src/loops.rs9
-rw-r--r--compiler/rustc_passes/src/naked_functions.rs20
-rw-r--r--compiler/rustc_passes/src/reachable.rs8
-rw-r--r--compiler/rustc_passes/src/region.rs8
-rw-r--r--compiler/rustc_passes/src/stability.rs28
-rw-r--r--compiler/rustc_passes/src/upvars.rs14
-rw-r--r--compiler/rustc_passes/src/weak_lang_items.rs8
15 files changed, 53 insertions, 136 deletions
diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs
index 41d4d5115a4..4d34a3ba697 100644
--- a/compiler/rustc_passes/src/check_attr.rs
+++ b/compiler/rustc_passes/src/check_attr.rs
@@ -4,19 +4,18 @@
 //! conflicts between multiple such attributes attached to the same
 //! item.
 
-use rustc_middle::hir::map::Map;
-use rustc_middle::ty::query::Providers;
-use rustc_middle::ty::TyCtxt;
-
 use rustc_ast::{ast, AttrStyle, Attribute, Lit, LitKind, NestedMetaItem};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_errors::{pluralize, struct_span_err, Applicability};
 use rustc_feature::{AttributeDuplicates, AttributeType, BuiltinAttribute, BUILTIN_ATTRIBUTE_MAP};
 use rustc_hir as hir;
 use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID};
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{self, FnSig, ForeignItem, HirId, Item, ItemKind, TraitItem, CRATE_HIR_ID};
 use rustc_hir::{MethodKind, Target};
+use rustc_middle::hir::nested_filter;
+use rustc_middle::ty::query::Providers;
+use rustc_middle::ty::TyCtxt;
 use rustc_session::lint::builtin::{
     CONFLICTING_REPR_HINTS, INVALID_DOC_ATTRIBUTES, UNUSED_ATTRIBUTES,
 };
@@ -1862,10 +1861,10 @@ impl CheckAttrVisitor<'_> {
 }
 
 impl<'tcx> Visitor<'tcx> for CheckAttrVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::OnlyBodies(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, item: &'tcx Item<'tcx>) {
diff --git a/compiler/rustc_passes/src/check_const.rs b/compiler/rustc_passes/src/check_const.rs
index b755f686f6a..2b11f6b0c1d 100644
--- a/compiler/rustc_passes/src/check_const.rs
+++ b/compiler/rustc_passes/src/check_const.rs
@@ -11,8 +11,8 @@ use rustc_attr as attr;
 use rustc_errors::struct_span_err;
 use rustc_hir as hir;
 use rustc_hir::def_id::LocalDefId;
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
-use rustc_middle::hir::map::Map;
+use rustc_hir::intravisit::{self, Visitor};
+use rustc_middle::hir::nested_filter;
 use rustc_middle::ty;
 use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::TyCtxt;
@@ -262,10 +262,10 @@ impl<'tcx> CheckConstVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::OnlyBodies(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_anon_const(&mut self, anon: &'tcx hir::AnonConst) {
diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs
index f17816eff9a..4cca7142449 100644
--- a/compiler/rustc_passes/src/dead.rs
+++ b/compiler/rustc_passes/src/dead.rs
@@ -6,10 +6,10 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_hir as hir;
 use rustc_hir::def::{CtorOf, DefKind, Res};
 use rustc_hir::def_id::{DefId, LocalDefId};
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::itemlikevisit::ItemLikeVisitor;
 use rustc_hir::{Node, PatKind, TyKind};
-use rustc_middle::hir::map::Map;
+use rustc_middle::hir::nested_filter;
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::middle::privacy;
 use rustc_middle::ty::{self, DefIdTree, TyCtxt};
@@ -323,12 +323,6 @@ impl<'tcx> MarkSymbolVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_nested_body(&mut self, body: hir::BodyId) {
         let old_maybe_typeck_results =
             self.maybe_typeck_results.replace(self.tcx.typeck_body(body));
@@ -673,14 +667,14 @@ impl<'tcx> DeadVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for DeadVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
     /// Walk nested items in place so that we don't report dead-code
     /// on inner functions when the outer function is already getting
     /// an error. We could do this also by checking the parents, but
     /// this is how the code is setup and it seems harmless enough.
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
diff --git a/compiler/rustc_passes/src/hir_id_validator.rs b/compiler/rustc_passes/src/hir_id_validator.rs
index d8c984c0676..56755d68686 100644
--- a/compiler/rustc_passes/src/hir_id_validator.rs
+++ b/compiler/rustc_passes/src/hir_id_validator.rs
@@ -6,6 +6,7 @@ use rustc_hir::intravisit;
 use rustc_hir::itemlikevisit::ItemLikeVisitor;
 use rustc_hir::{HirId, ItemLocalId};
 use rustc_middle::hir::map::Map;
+use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::TyCtxt;
 
 pub fn check_crate(tcx: TyCtxt<'_>) {
@@ -139,10 +140,10 @@ impl<'a, 'hir> HirIdValidator<'a, 'hir> {
 }
 
 impl<'a, 'hir> intravisit::Visitor<'hir> for HirIdValidator<'a, 'hir> {
-    type Map = Map<'hir>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> {
-        intravisit::NestedVisitorMap::OnlyBodies(self.hir_map)
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.hir_map
     }
 
     fn visit_id(&mut self, hir_id: HirId) {
diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs
index d665c12f762..5cc958ef549 100644
--- a/compiler/rustc_passes/src/hir_stats.rs
+++ b/compiler/rustc_passes/src/hir_stats.rs
@@ -95,12 +95,6 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
         hir_visit::walk_param(self, param)
     }
 
-    type Map = Map<'v>;
-
-    fn nested_visit_map(&mut self) -> hir_visit::NestedVisitorMap<Self::Map> {
-        panic!("visit_nested_xxx must be manually implemented in this visitor")
-    }
-
     fn visit_nested_item(&mut self, id: hir::ItemId) {
         let nested_item = self.krate.unwrap().item(id);
         self.visit_item(nested_item)
diff --git a/compiler/rustc_passes/src/intrinsicck.rs b/compiler/rustc_passes/src/intrinsicck.rs
index 064c4696628..85c568d8623 100644
--- a/compiler/rustc_passes/src/intrinsicck.rs
+++ b/compiler/rustc_passes/src/intrinsicck.rs
@@ -3,7 +3,7 @@ use rustc_errors::struct_span_err;
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{DefId, LocalDefId};
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_index::vec::Idx;
 use rustc_middle::ty::layout::{LayoutError, SizeSkeleton};
 use rustc_middle::ty::query::Providers;
@@ -488,12 +488,6 @@ impl<'tcx> ExprVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for ItemVisitor<'tcx> {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_nested_body(&mut self, body_id: hir::BodyId) {
         let owner_def_id = self.tcx.hir().body_owner_def_id(body_id);
         let body = self.tcx.hir().body(body_id);
@@ -505,12 +499,6 @@ impl<'tcx> Visitor<'tcx> for ItemVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for ExprVisitor<'tcx> {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) {
         match expr.kind {
             hir::ExprKind::Path(ref qpath) => {
diff --git a/compiler/rustc_passes/src/lib_features.rs b/compiler/rustc_passes/src/lib_features.rs
index 40d12c4a22d..00445690f8f 100644
--- a/compiler/rustc_passes/src/lib_features.rs
+++ b/compiler/rustc_passes/src/lib_features.rs
@@ -6,8 +6,8 @@
 
 use rustc_ast::{Attribute, MetaItemKind};
 use rustc_errors::struct_span_err;
-use rustc_hir::intravisit::{NestedVisitorMap, Visitor};
-use rustc_middle::hir::map::Map;
+use rustc_hir::intravisit::Visitor;
+use rustc_middle::hir::nested_filter;
 use rustc_middle::middle::lib_features::LibFeatures;
 use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::TyCtxt;
@@ -111,10 +111,10 @@ impl<'tcx> LibFeatureCollector<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for LibFeatureCollector<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_attribute(&mut self, _: rustc_hir::HirId, attr: &'tcx Attribute) {
diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs
index 2e3bf7ea548..ebde144ea58 100644
--- a/compiler/rustc_passes/src/liveness.rs
+++ b/compiler/rustc_passes/src/liveness.rs
@@ -90,10 +90,10 @@ use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_hir::def::*;
 use rustc_hir::def_id::LocalDefId;
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{Expr, HirId, HirIdMap, HirIdSet};
 use rustc_index::vec::IndexVec;
-use rustc_middle::hir::map::Map;
+use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::{self, DefIdTree, RootVariableMinCaptureList, Ty, TyCtxt};
 use rustc_session::lint;
@@ -317,10 +317,10 @@ impl<'tcx> IrMaps<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for IrMaps<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::OnlyBodies(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_body(&mut self, body: &'tcx hir::Body<'tcx>) {
@@ -1327,12 +1327,6 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
 // Checking for error conditions
 
 impl<'a, 'tcx> Visitor<'tcx> for Liveness<'a, 'tcx> {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_local(&mut self, local: &'tcx hir::Local<'tcx>) {
         self.check_unused_vars_in_pat(&local.pat, None, |spans, hir_id, ln, var| {
             if local.init.is_some() {
diff --git a/compiler/rustc_passes/src/loops.rs b/compiler/rustc_passes/src/loops.rs
index 4bfac1b7298..02b09daf0a4 100644
--- a/compiler/rustc_passes/src/loops.rs
+++ b/compiler/rustc_passes/src/loops.rs
@@ -3,9 +3,10 @@ use Context::*;
 use rustc_errors::{struct_span_err, Applicability};
 use rustc_hir as hir;
 use rustc_hir::def_id::LocalDefId;
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{Destination, Movability, Node};
 use rustc_middle::hir::map::Map;
+use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::TyCtxt;
 use rustc_session::Session;
@@ -41,10 +42,10 @@ pub(crate) fn provide(providers: &mut Providers) {
 }
 
 impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> {
-    type Map = Map<'hir>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::OnlyBodies(self.hir_map)
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.hir_map
     }
 
     fn visit_anon_const(&mut self, c: &'hir hir::AnonConst) {
diff --git a/compiler/rustc_passes/src/naked_functions.rs b/compiler/rustc_passes/src/naked_functions.rs
index 07cb165d796..645955f859c 100644
--- a/compiler/rustc_passes/src/naked_functions.rs
+++ b/compiler/rustc_passes/src/naked_functions.rs
@@ -3,7 +3,7 @@
 use rustc_ast::{Attribute, InlineAsmOptions};
 use rustc_hir as hir;
 use rustc_hir::def_id::LocalDefId;
-use rustc_hir::intravisit::{ErasedMap, FnKind, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{FnKind, Visitor};
 use rustc_hir::{ExprKind, HirId, InlineAsmOperand, StmtKind};
 use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::TyCtxt;
@@ -29,12 +29,6 @@ struct CheckNakedFunctions<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for CheckNakedFunctions<'tcx> {
-    type Map = ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_fn(
         &mut self,
         fk: FnKind<'_>,
@@ -129,12 +123,6 @@ struct CheckParameters<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for CheckParameters<'tcx> {
-    type Map = ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) {
         if let hir::ExprKind::Path(hir::QPath::Resolved(
             _,
@@ -312,12 +300,6 @@ impl<'tcx> CheckInlineAssembly<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for CheckInlineAssembly<'tcx> {
-    type Map = ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_stmt(&mut self, stmt: &'tcx hir::Stmt<'tcx>) {
         match stmt.kind {
             StmtKind::Item(..) => {}
diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs
index f4790c4335c..6cd9dc23285 100644
--- a/compiler/rustc_passes/src/reachable.rs
+++ b/compiler/rustc_passes/src/reachable.rs
@@ -9,7 +9,7 @@ use rustc_data_structures::fx::FxHashSet;
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{DefId, LocalDefId};
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::itemlikevisit::ItemLikeVisitor;
 use rustc_hir::Node;
 use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs};
@@ -74,12 +74,6 @@ struct ReachableContext<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for ReachableContext<'tcx> {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_nested_body(&mut self, body: hir::BodyId) {
         let old_maybe_typeck_results =
             self.maybe_typeck_results.replace(self.tcx.typeck_body(body));
diff --git a/compiler/rustc_passes/src/region.rs b/compiler/rustc_passes/src/region.rs
index 8968c163987..db699a56645 100644
--- a/compiler/rustc_passes/src/region.rs
+++ b/compiler/rustc_passes/src/region.rs
@@ -10,7 +10,7 @@ use rustc_ast::walk_list;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_hir as hir;
 use rustc_hir::def_id::DefId;
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{Arm, Block, Expr, Local, Pat, PatKind, Stmt};
 use rustc_index::vec::Idx;
 use rustc_middle::middle::region::*;
@@ -721,12 +721,6 @@ impl<'tcx> RegionResolutionVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for RegionResolutionVisitor<'tcx> {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_block(&mut self, b: &'tcx Block<'tcx>) {
         resolve_block(self, b);
     }
diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs
index 270da883b8d..3521b6fc169 100644
--- a/compiler/rustc_passes/src/stability.rs
+++ b/compiler/rustc_passes/src/stability.rs
@@ -9,9 +9,9 @@ use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID, CRATE_DEF_INDEX, LOCAL_CRATE};
 use rustc_hir::hir_id::CRATE_HIR_ID;
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{FieldDef, Generics, HirId, Item, TraitRef, Ty, TyKind, Variant};
-use rustc_middle::hir::map::Map;
+use rustc_middle::hir::nested_filter;
 use rustc_middle::middle::privacy::AccessLevels;
 use rustc_middle::middle::stability::{DeprecationEntry, Index};
 use rustc_middle::ty::{self, query::Providers, TyCtxt};
@@ -378,10 +378,10 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> {
     /// Because stability levels are scoped lexically, we want to walk
     /// nested items in the context of the outer item, so enable
     /// deep-walking.
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, i: &'tcx Item<'tcx>) {
@@ -593,10 +593,10 @@ impl<'tcx> MissingStabilityAnnotations<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for MissingStabilityAnnotations<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::OnlyBodies(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, i: &'tcx Item<'tcx>) {
@@ -738,13 +738,13 @@ struct Checker<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for Checker<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
     /// Because stability levels are scoped lexically, we want to walk
     /// nested items in the context of the outer item, so enable
     /// deep-walking.
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::OnlyBodies(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
@@ -860,12 +860,6 @@ struct CheckTraitImplStable<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for CheckTraitImplStable<'tcx> {
-    type Map = Map<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_path(&mut self, path: &'tcx hir::Path<'tcx>, _id: hir::HirId) {
         if let Some(def_id) = path.res.opt_def_id() {
             if let Some(stab) = self.tcx.lookup_stability(def_id) {
diff --git a/compiler/rustc_passes/src/upvars.rs b/compiler/rustc_passes/src/upvars.rs
index 2d84c8caada..25fe8e45825 100644
--- a/compiler/rustc_passes/src/upvars.rs
+++ b/compiler/rustc_passes/src/upvars.rs
@@ -3,7 +3,7 @@
 use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
 use rustc_hir as hir;
 use rustc_hir::def::Res;
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{self, HirId};
 use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::TyCtxt;
@@ -43,12 +43,6 @@ struct LocalCollector {
 }
 
 impl<'tcx> Visitor<'tcx> for LocalCollector {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_pat(&mut self, pat: &'tcx hir::Pat<'tcx>) {
         if let hir::PatKind::Binding(_, hir_id, ..) = pat.kind {
             self.locals.insert(hir_id);
@@ -72,12 +66,6 @@ impl CaptureCollector<'_, '_> {
 }
 
 impl<'tcx> Visitor<'tcx> for CaptureCollector<'_, 'tcx> {
-    type Map = intravisit::ErasedMap<'tcx>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_path(&mut self, path: &'tcx hir::Path<'tcx>, _: hir::HirId) {
         if let Res::Local(var_id) = path.res {
             self.visit_local_use(var_id, path.span);
diff --git a/compiler/rustc_passes/src/weak_lang_items.rs b/compiler/rustc_passes/src/weak_lang_items.rs
index 21514d19f6a..6b73c950119 100644
--- a/compiler/rustc_passes/src/weak_lang_items.rs
+++ b/compiler/rustc_passes/src/weak_lang_items.rs
@@ -3,7 +3,7 @@
 use rustc_data_structures::fx::FxHashSet;
 use rustc_errors::struct_span_err;
 use rustc_hir as hir;
-use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::lang_items::{self, LangItem};
 use rustc_hir::weak_lang_items::WEAK_ITEMS_REFS;
 use rustc_middle::middle::lang_items::required;
@@ -95,12 +95,6 @@ impl<'a, 'tcx> Context<'a, 'tcx> {
 }
 
 impl<'a, 'tcx, 'v> Visitor<'v> for Context<'a, 'tcx> {
-    type Map = intravisit::ErasedMap<'v>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_foreign_item(&mut self, i: &hir::ForeignItem<'_>) {
         let attrs = self.tcx.hir().attrs(i.hir_id());
         if let Some((lang_item, _)) = lang_items::extract(attrs) {
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-10-30 20:05:27 +0000