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-rw-r--r--compiler/rustc_ast/src/visit.rs44
-rw-r--r--compiler/rustc_ast_passes/src/ast_validation.rs16
-rw-r--r--compiler/rustc_ast_passes/src/node_count.rs2
-rw-r--r--compiler/rustc_builtin_macros/src/deriving/default.rs2
-rw-r--r--compiler/rustc_lint/src/builtin.rs4
-rw-r--r--compiler/rustc_lint/src/early.rs2
-rw-r--r--compiler/rustc_lint/src/passes.rs2
-rw-r--r--compiler/rustc_resolve/src/build_reduced_graph.rs2
-rw-r--r--compiler/rustc_resolve/src/late.rs4
9 files changed, 39 insertions, 39 deletions
diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs
index 57ebab2abdf..eb71ec5f4ec 100644
--- a/compiler/rustc_ast/src/visit.rs
+++ b/compiler/rustc_ast/src/visit.rs
@@ -135,7 +135,7 @@ pub trait Visitor<'ast>: Sized {
     /// or `ControlFlow<T>`.
     type Result: VisitorResult = ();
 
-    fn visit_ident(&mut self, _ident: Ident) -> Self::Result {
+    fn visit_ident(&mut self, _ident: &'ast Ident) -> Self::Result {
         Self::Result::output()
     }
     fn visit_foreign_item(&mut self, i: &'ast ForeignItem) -> Self::Result {
@@ -314,12 +314,12 @@ pub fn walk_local<'a, V: Visitor<'a>>(visitor: &mut V, local: &'a Local) -> V::R
 }
 
 pub fn walk_label<'a, V: Visitor<'a>>(visitor: &mut V, Label { ident }: &'a Label) -> V::Result {
-    visitor.visit_ident(*ident)
+    visitor.visit_ident(ident)
 }
 
 pub fn walk_lifetime<'a, V: Visitor<'a>>(visitor: &mut V, lifetime: &'a Lifetime) -> V::Result {
     let Lifetime { id: _, ident } = lifetime;
-    visitor.visit_ident(*ident)
+    visitor.visit_ident(ident)
 }
 
 pub fn walk_poly_trait_ref<'a, V>(visitor: &mut V, trait_ref: &'a PolyTraitRef) -> V::Result
@@ -426,7 +426,7 @@ impl WalkItemKind for ItemKind {
             }) => {
                 try_visit!(walk_qself(visitor, qself));
                 try_visit!(visitor.visit_path(path, *id));
-                visit_opt!(visitor, visit_ident, *rename);
+                visit_opt!(visitor, visit_ident, rename);
                 visit_opt!(visitor, visit_block, body);
             }
             ItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
@@ -434,9 +434,9 @@ impl WalkItemKind for ItemKind {
                 try_visit!(visitor.visit_path(prefix, *id));
                 if let Some(suffixes) = suffixes {
                     for (ident, rename) in suffixes {
-                        visitor.visit_ident(*ident);
+                        visitor.visit_ident(ident);
                         if let Some(rename) = rename {
-                            visitor.visit_ident(*rename);
+                            visitor.visit_ident(rename);
                         }
                     }
                 }
@@ -469,7 +469,7 @@ where
     let Variant { attrs, id: _, span: _, vis, ident, data, disr_expr, is_placeholder: _ } = variant;
     walk_list!(visitor, visit_attribute, attrs);
     try_visit!(visitor.visit_vis(vis));
-    try_visit!(visitor.visit_ident(*ident));
+    try_visit!(visitor.visit_ident(ident));
     try_visit!(visitor.visit_variant_data(data));
     visit_opt!(visitor, visit_variant_discr, disr_expr);
     V::Result::output()
@@ -478,7 +478,7 @@ where
 pub fn walk_expr_field<'a, V: Visitor<'a>>(visitor: &mut V, f: &'a ExprField) -> V::Result {
     let ExprField { attrs, id: _, span: _, ident, expr, is_shorthand: _, is_placeholder: _ } = f;
     walk_list!(visitor, visit_attribute, attrs);
-    try_visit!(visitor.visit_ident(*ident));
+    try_visit!(visitor.visit_ident(ident));
     try_visit!(visitor.visit_expr(expr));
     V::Result::output()
 }
@@ -486,7 +486,7 @@ pub fn walk_expr_field<'a, V: Visitor<'a>>(visitor: &mut V, f: &'a ExprField) ->
 pub fn walk_pat_field<'a, V: Visitor<'a>>(visitor: &mut V, fp: &'a PatField) -> V::Result {
     let PatField { ident, pat, is_shorthand: _, attrs, id: _, span: _, is_placeholder: _ } = fp;
     walk_list!(visitor, visit_attribute, attrs);
-    try_visit!(visitor.visit_ident(*ident));
+    try_visit!(visitor.visit_ident(ident));
     try_visit!(visitor.visit_pat(pat));
     V::Result::output()
 }
@@ -561,7 +561,7 @@ pub fn walk_use_tree<'a, V: Visitor<'a>>(
     match kind {
         UseTreeKind::Simple(rename) => {
             // The extra IDs are handled during AST lowering.
-            visit_opt!(visitor, visit_ident, *rename);
+            visit_opt!(visitor, visit_ident, rename);
         }
         UseTreeKind::Glob => {}
         UseTreeKind::Nested { ref items, span: _ } => {
@@ -578,7 +578,7 @@ pub fn walk_path_segment<'a, V: Visitor<'a>>(
     segment: &'a PathSegment,
 ) -> V::Result {
     let PathSegment { ident, id: _, args } = segment;
-    try_visit!(visitor.visit_ident(*ident));
+    try_visit!(visitor.visit_ident(ident));
     visit_opt!(visitor, visit_generic_args, args);
     V::Result::output()
 }
@@ -624,7 +624,7 @@ pub fn walk_assoc_item_constraint<'a, V: Visitor<'a>>(
     constraint: &'a AssocItemConstraint,
 ) -> V::Result {
     let AssocItemConstraint { id: _, ident, gen_args, kind, span: _ } = constraint;
-    try_visit!(visitor.visit_ident(*ident));
+    try_visit!(visitor.visit_ident(ident));
     visit_opt!(visitor, visit_generic_args, gen_args);
     match kind {
         AssocItemConstraintKind::Equality { term } => match term {
@@ -662,7 +662,7 @@ pub fn walk_pat<'a, V: Visitor<'a>>(visitor: &mut V, pattern: &'a Pat) -> V::Res
             try_visit!(visitor.visit_pat(subpattern));
         }
         PatKind::Ident(_bmode, ident, optional_subpattern) => {
-            try_visit!(visitor.visit_ident(*ident));
+            try_visit!(visitor.visit_ident(ident));
             visit_opt!(visitor, visit_pat, optional_subpattern);
         }
         PatKind::Lit(expression) => try_visit!(visitor.visit_expr(expression)),
@@ -748,7 +748,7 @@ pub fn walk_generic_param<'a, V: Visitor<'a>>(
     let GenericParam { id: _, ident, attrs, bounds, is_placeholder: _, kind, colon_span: _ } =
         param;
     walk_list!(visitor, visit_attribute, attrs);
-    try_visit!(visitor.visit_ident(*ident));
+    try_visit!(visitor.visit_ident(ident));
     walk_list!(visitor, visit_param_bound, bounds, BoundKind::Bound);
     match kind {
         GenericParamKind::Lifetime => (),
@@ -886,7 +886,7 @@ impl WalkItemKind for AssocItemKind {
             }) => {
                 try_visit!(walk_qself(visitor, qself));
                 try_visit!(visitor.visit_path(path, *id));
-                visit_opt!(visitor, visit_ident, *rename);
+                visit_opt!(visitor, visit_ident, rename);
                 visit_opt!(visitor, visit_block, body);
             }
             AssocItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
@@ -894,9 +894,9 @@ impl WalkItemKind for AssocItemKind {
                 try_visit!(visitor.visit_path(prefix, id));
                 if let Some(suffixes) = suffixes {
                     for (ident, rename) in suffixes {
-                        visitor.visit_ident(*ident);
+                        visitor.visit_ident(ident);
                         if let Some(rename) = rename {
-                            visitor.visit_ident(*rename);
+                            visitor.visit_ident(rename);
                         }
                     }
                 }
@@ -912,7 +912,7 @@ pub fn walk_assoc_item<'a, V: Visitor<'a>>(
     item: &'a Item<impl WalkItemKind>,
     ctxt: AssocCtxt,
 ) -> V::Result {
-    let &Item { id: _, span: _, ident, ref vis, ref attrs, ref kind, tokens: _ } = item;
+    let Item { id: _, span: _, ident, vis, attrs, kind, tokens: _ } = item;
     walk_list!(visitor, visit_attribute, attrs);
     try_visit!(visitor.visit_vis(vis));
     try_visit!(visitor.visit_ident(ident));
@@ -932,7 +932,7 @@ pub fn walk_field_def<'a, V: Visitor<'a>>(visitor: &mut V, field: &'a FieldDef)
     let FieldDef { attrs, id: _, span: _, vis, ident, ty, is_placeholder: _ } = field;
     walk_list!(visitor, visit_attribute, attrs);
     try_visit!(visitor.visit_vis(vis));
-    visit_opt!(visitor, visit_ident, *ident);
+    visit_opt!(visitor, visit_ident, ident);
     try_visit!(visitor.visit_ty(ty));
     V::Result::output()
 }
@@ -1014,7 +1014,7 @@ pub fn walk_format_args<'a, V: Visitor<'a>>(visitor: &mut V, fmt: &'a FormatArgs
     for FormatArgument { kind, expr } in arguments.all_args() {
         match kind {
             FormatArgumentKind::Named(ident) | FormatArgumentKind::Captured(ident) => {
-                try_visit!(visitor.visit_ident(*ident))
+                try_visit!(visitor.visit_ident(ident))
             }
             FormatArgumentKind::Normal => {}
         }
@@ -1134,7 +1134,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
         }
         ExprKind::Field(subexpression, ident) => {
             try_visit!(visitor.visit_expr(subexpression));
-            try_visit!(visitor.visit_ident(*ident));
+            try_visit!(visitor.visit_ident(ident));
         }
         ExprKind::Index(main_expression, index_expression, _span) => {
             try_visit!(visitor.visit_expr(main_expression));
@@ -1169,7 +1169,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
         ExprKind::FormatArgs(f) => try_visit!(visitor.visit_format_args(f)),
         ExprKind::OffsetOf(container, fields) => {
             try_visit!(visitor.visit_ty(container));
-            walk_list!(visitor, visit_ident, fields.iter().copied());
+            walk_list!(visitor, visit_ident, fields.iter());
         }
         ExprKind::Yield(optional_expression) => {
             visit_opt!(visitor, visit_expr, optional_expression);
diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs
index bf6ebfb160b..1d149e91b85 100644
--- a/compiler/rustc_ast_passes/src/ast_validation.rs
+++ b/compiler/rustc_ast_passes/src/ast_validation.rs
@@ -249,7 +249,7 @@ impl<'a> AstValidator<'a> {
     }
 
     fn visit_struct_field_def(&mut self, field: &'a FieldDef) {
-        if let Some(ident) = field.ident
+        if let Some(ref ident) = field.ident
             && ident.name == kw::Underscore
         {
             self.visit_vis(&field.vis);
@@ -899,7 +899,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                     }
 
                     this.visit_vis(&item.vis);
-                    this.visit_ident(item.ident);
+                    this.visit_ident(&item.ident);
                     let disallowed = matches!(constness, Const::No)
                         .then(|| TildeConstReason::TraitImpl { span: item.span });
                     this.with_tilde_const(disallowed, |this| this.visit_generics(generics));
@@ -953,7 +953,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                     }
 
                     this.visit_vis(&item.vis);
-                    this.visit_ident(item.ident);
+                    this.visit_ident(&item.ident);
                     this.with_tilde_const(
                         Some(TildeConstReason::Impl { span: item.span }),
                         |this| this.visit_generics(generics),
@@ -991,7 +991,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                 }
 
                 self.visit_vis(&item.vis);
-                self.visit_ident(item.ident);
+                self.visit_ident(&item.ident);
                 let kind =
                     FnKind::Fn(FnCtxt::Free, item.ident, sig, &item.vis, generics, body.as_deref());
                 self.visit_fn(kind, item.span, item.id);
@@ -1058,7 +1058,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                     // Equivalent of `visit::walk_item` for `ItemKind::Trait` that inserts a bound
                     // context for the supertraits.
                     this.visit_vis(&item.vis);
-                    this.visit_ident(item.ident);
+                    this.visit_ident(&item.ident);
                     let disallowed = is_const_trait
                         .is_none()
                         .then(|| TildeConstReason::Trait { span: item.span });
@@ -1085,7 +1085,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
             ItemKind::Struct(vdata, generics) => match vdata {
                 VariantData::Struct { fields, .. } => {
                     self.visit_vis(&item.vis);
-                    self.visit_ident(item.ident);
+                    self.visit_ident(&item.ident);
                     self.visit_generics(generics);
                     // Permit `Anon{Struct,Union}` as field type.
                     walk_list!(self, visit_struct_field_def, fields);
@@ -1101,7 +1101,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                 match vdata {
                     VariantData::Struct { fields, .. } => {
                         self.visit_vis(&item.vis);
-                        self.visit_ident(item.ident);
+                        self.visit_ident(&item.ident);
                         self.visit_generics(generics);
                         // Permit `Anon{Struct,Union}` as field type.
                         walk_list!(self, visit_struct_field_def, fields);
@@ -1521,7 +1521,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
                     || matches!(sig.header.constness, Const::Yes(_)) =>
             {
                 self.visit_vis(&item.vis);
-                self.visit_ident(item.ident);
+                self.visit_ident(&item.ident);
                 let kind = FnKind::Fn(
                     FnCtxt::Assoc(ctxt),
                     item.ident,
diff --git a/compiler/rustc_ast_passes/src/node_count.rs b/compiler/rustc_ast_passes/src/node_count.rs
index e22e99f6e4d..9e7204df8ad 100644
--- a/compiler/rustc_ast_passes/src/node_count.rs
+++ b/compiler/rustc_ast_passes/src/node_count.rs
@@ -16,7 +16,7 @@ impl NodeCounter {
 }
 
 impl<'ast> Visitor<'ast> for NodeCounter {
-    fn visit_ident(&mut self, _ident: Ident) {
+    fn visit_ident(&mut self, _ident: &Ident) {
         self.count += 1;
     }
     fn visit_foreign_item(&mut self, i: &ForeignItem) {
diff --git a/compiler/rustc_builtin_macros/src/deriving/default.rs b/compiler/rustc_builtin_macros/src/deriving/default.rs
index 652e6f7740f..d4befd12190 100644
--- a/compiler/rustc_builtin_macros/src/deriving/default.rs
+++ b/compiler/rustc_builtin_macros/src/deriving/default.rs
@@ -222,7 +222,7 @@ impl<'a, 'b> rustc_ast::visit::Visitor<'a> for DetectNonVariantDefaultAttr<'a, '
         rustc_ast::visit::walk_attribute(self, attr);
     }
     fn visit_variant(&mut self, v: &'a rustc_ast::Variant) {
-        self.visit_ident(v.ident);
+        self.visit_ident(&v.ident);
         self.visit_vis(&v.vis);
         self.visit_variant_data(&v.data);
         visit_opt!(self, visit_anon_const, &v.disr_expr);
diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index a1e4bc75c21..12f8e4ed239 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -1894,11 +1894,11 @@ impl EarlyLintPass for KeywordIdents {
     fn check_mac(&mut self, cx: &EarlyContext<'_>, mac: &ast::MacCall) {
         self.check_tokens(cx, &mac.args.tokens);
     }
-    fn check_ident(&mut self, cx: &EarlyContext<'_>, ident: Ident) {
+    fn check_ident(&mut self, cx: &EarlyContext<'_>, ident: &Ident) {
         if ident.name.as_str().starts_with('\'') {
             self.check_ident_token(cx, UnderMacro(false), ident.without_first_quote(), "'");
         } else {
-            self.check_ident_token(cx, UnderMacro(false), ident, "");
+            self.check_ident_token(cx, UnderMacro(false), *ident, "");
         }
     }
 }
diff --git a/compiler/rustc_lint/src/early.rs b/compiler/rustc_lint/src/early.rs
index c095199a471..a6210aa520f 100644
--- a/compiler/rustc_lint/src/early.rs
+++ b/compiler/rustc_lint/src/early.rs
@@ -202,7 +202,7 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
         ast_visit::walk_ty(self, t);
     }
 
-    fn visit_ident(&mut self, ident: Ident) {
+    fn visit_ident(&mut self, ident: &Ident) {
         lint_callback!(self, check_ident, ident);
     }
 
diff --git a/compiler/rustc_lint/src/passes.rs b/compiler/rustc_lint/src/passes.rs
index a1d436e0d3d..75ae994a86b 100644
--- a/compiler/rustc_lint/src/passes.rs
+++ b/compiler/rustc_lint/src/passes.rs
@@ -133,7 +133,7 @@ macro_rules! early_lint_methods {
     ($macro:path, $args:tt) => (
         $macro!($args, [
             fn check_param(a: &rustc_ast::Param);
-            fn check_ident(a: rustc_span::symbol::Ident);
+            fn check_ident(a: &rustc_span::symbol::Ident);
             fn check_crate(a: &rustc_ast::Crate);
             fn check_crate_post(a: &rustc_ast::Crate);
             fn check_item(a: &rustc_ast::Item);
diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs
index 0ca6bb8c07d..031ffaed808 100644
--- a/compiler/rustc_resolve/src/build_reduced_graph.rs
+++ b/compiler/rustc_resolve/src/build_reduced_graph.rs
@@ -1321,7 +1321,7 @@ impl<'a, 'ra, 'tcx> Visitor<'a> for BuildReducedGraphVisitor<'a, 'ra, 'tcx> {
                         // Visit attributes after items for backward compatibility.
                         // This way they can use `macro_rules` defined later.
                         self.visit_vis(&item.vis);
-                        self.visit_ident(item.ident);
+                        self.visit_ident(&item.ident);
                         item.kind.walk(item, AssocCtxt::Trait, self);
                         visit::walk_list!(self, visit_attribute, &item.attrs);
                     }
diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs
index 033cd7d5870..adb0ba7c820 100644
--- a/compiler/rustc_resolve/src/late.rs
+++ b/compiler/rustc_resolve/src/late.rs
@@ -1205,7 +1205,7 @@ impl<'ra: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'_, 'ast, 'r
     }
 
     fn visit_assoc_item_constraint(&mut self, constraint: &'ast AssocItemConstraint) {
-        self.visit_ident(constraint.ident);
+        self.visit_ident(&constraint.ident);
         if let Some(ref gen_args) = constraint.gen_args {
             // Forbid anonymous lifetimes in GAT parameters until proper semantics are decided.
             self.with_lifetime_rib(LifetimeRibKind::AnonymousReportError, |this| {
@@ -4582,7 +4582,7 @@ impl<'a, 'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> {
 
     fn resolve_expr_field(&mut self, f: &'ast ExprField, e: &'ast Expr) {
         self.resolve_expr(&f.expr, Some(e));
-        self.visit_ident(f.ident);
+        self.visit_ident(&f.ident);
         walk_list!(self, visit_attribute, f.attrs.iter());
     }