Auto merge of rust-lang#100426 - matthiaskrgr:rollup-0ks4dou, r=matthiaskrgr

Rollup of 13 pull requests

Successful merges:

 - rust-lang#93896 (rustdoc: make item-infos dimmer on dark theme)
 - rust-lang#99337 (rustdoc: simplify highlight.rs)
 - rust-lang#99421 (add crt-static for android)
 - rust-lang#99500 (Fix flags when using clang as linker for Fuchsia)
 - rust-lang#99511 (make raw_eq precondition more restrictive)
 - rust-lang#99992 (Add `x.sh` and `x.ps1` shell scripts)
 - rust-lang#100112 (Fix test: chunks_mut_are_send_and_sync)
 - rust-lang#100203 (provide correct size hint for unsupported platform `CommandArgs`)
 - rust-lang#100307 (Fix rust-lang#96847)
 - rust-lang#100350 (Stringify non-shorthand visibility correctly)
 - rust-lang#100374 (Improve crate selection on rustdoc search results page)
 - rust-lang#100392 (Simplify visitors)
 - rust-lang#100418 (Add stability attributes to BacktraceStatus variants)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

Cargo.lock

@@ -2142,9 +2142,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.126"
+version = "0.2.129"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "64de3cc433455c14174d42e554d4027ee631c4d046d43e3ecc6efc4636cdc7a7"
 dependencies = [
  "rustc-std-workspace-core",
 ]

compiler/rustc_ast/src/ast.rs

@@ -2601,7 +2601,7 @@ pub struct Visibility {
 #[derive(Clone, Encodable, Decodable, Debug)]
 pub enum VisibilityKind {
     Public,
-    Restricted { path: P<Path>, id: NodeId },
+    Restricted { path: P<Path>, id: NodeId, shorthand: bool },
     Inherited,
 }
 

compiler/rustc_ast/src/mut_visit.rs

@@ -1487,7 +1487,7 @@ pub fn noop_flat_map_stmt_kind<T: MutVisitor>(
 pub fn noop_visit_vis<T: MutVisitor>(visibility: &mut Visibility, vis: &mut T) {
     match &mut visibility.kind {
         VisibilityKind::Public | VisibilityKind::Inherited => {}
-        VisibilityKind::Restricted { path, id } => {
+        VisibilityKind::Restricted { path, id, shorthand: _ } => {
             vis.visit_path(path);
             vis.visit_id(id);
         }

compiler/rustc_ast/src/visit.rs

@@ -168,23 +168,17 @@ pub trait Visitor<'ast>: Sized {
     fn visit_param_bound(&mut self, bounds: &'ast GenericBound, _ctxt: BoundKind) {
         walk_param_bound(self, bounds)
     }
-    fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef, m: &'ast TraitBoundModifier) {
-        walk_poly_trait_ref(self, t, m)
+    fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef) {
+        walk_poly_trait_ref(self, t)
     }
     fn visit_variant_data(&mut self, s: &'ast VariantData) {
         walk_struct_def(self, s)
     }
     fn visit_field_def(&mut self, s: &'ast FieldDef) {
         walk_field_def(self, s)
     }
-    fn visit_enum_def(
-        &mut self,
-        enum_definition: &'ast EnumDef,
-        generics: &'ast Generics,
-        item_id: NodeId,
-        _: Span,
-    ) {
-        walk_enum_def(self, enum_definition, generics, item_id)
+    fn visit_enum_def(&mut self, enum_definition: &'ast EnumDef) {
+        walk_enum_def(self, enum_definition)
     }
     fn visit_variant(&mut self, v: &'ast Variant) {
         walk_variant(self, v)
@@ -287,11 +281,8 @@ pub fn walk_lifetime<'a, V: Visitor<'a>>(visitor: &mut V, lifetime: &'a Lifetime
     visitor.visit_ident(lifetime.ident);
 }
 
-pub fn walk_poly_trait_ref<'a, V>(
-    visitor: &mut V,
-    trait_ref: &'a PolyTraitRef,
-    _: &TraitBoundModifier,
-) where
+pub fn walk_poly_trait_ref<'a, V>(visitor: &mut V, trait_ref: &'a PolyTraitRef)
+where
     V: Visitor<'a>,
 {
     walk_list!(visitor, visit_generic_param, &trait_ref.bound_generic_params);
@@ -334,7 +325,7 @@ pub fn walk_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a Item) {
         }
         ItemKind::Enum(ref enum_definition, ref generics) => {
             visitor.visit_generics(generics);
-            visitor.visit_enum_def(enum_definition, generics, item.id, item.span)
+            visitor.visit_enum_def(enum_definition)
         }
         ItemKind::Impl(box Impl {
             defaultness: _,
@@ -377,12 +368,7 @@ pub fn walk_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a Item) {
     walk_list!(visitor, visit_attribute, &item.attrs);
 }
 
-pub fn walk_enum_def<'a, V: Visitor<'a>>(
-    visitor: &mut V,
-    enum_definition: &'a EnumDef,
-    _: &'a Generics,
-    _: NodeId,
-) {
+pub fn walk_enum_def<'a, V: Visitor<'a>>(visitor: &mut V, enum_definition: &'a EnumDef) {
     walk_list!(visitor, visit_variant, &enum_definition.variants);
 }
 
@@ -598,7 +584,7 @@ pub fn walk_foreign_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a ForeignI
 
 pub fn walk_param_bound<'a, V: Visitor<'a>>(visitor: &mut V, bound: &'a GenericBound) {
     match *bound {
-        GenericBound::Trait(ref typ, ref modifier) => visitor.visit_poly_trait_ref(typ, modifier),
+        GenericBound::Trait(ref typ, ref _modifier) => visitor.visit_poly_trait_ref(typ),
         GenericBound::Outlives(ref lifetime) => {
             visitor.visit_lifetime(lifetime, LifetimeCtxt::Bound)
         }
@@ -936,7 +922,7 @@ pub fn walk_arm<'a, V: Visitor<'a>>(visitor: &mut V, arm: &'a Arm) {
 }
 
 pub fn walk_vis<'a, V: Visitor<'a>>(visitor: &mut V, vis: &'a Visibility) {
-    if let VisibilityKind::Restricted { ref path, id } = vis.kind {
+    if let VisibilityKind::Restricted { ref path, id, shorthand: _ } = vis.kind {
         visitor.visit_path(path, id);
     }
 }

compiler/rustc_ast_lowering/src/expr.rs

@@ -1536,15 +1536,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
             hir::MatchSource::ForLoopDesugar,
         ));
 
-        let attrs: Vec<_> = e.attrs.iter().map(|a| self.lower_attr(a)).collect();
-
         // This is effectively `{ let _result = ...; _result }`.
         // The construct was introduced in #21984 and is necessary to make sure that
         // temporaries in the `head` expression are dropped and do not leak to the
         // surrounding scope of the `match` since the `match` is not a terminating scope.
         //
         // Also, add the attributes to the outer returned expr node.
-        self.expr_drop_temps_mut(for_span, match_expr, attrs.into())
+        self.expr_drop_temps_mut(for_span, match_expr, e.attrs.clone())
     }
 
     /// Desugar `ExprKind::Try` from: `<expr>?` into:

compiler/rustc_ast_lowering/src/index.rs

@@ -295,14 +295,14 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> {
         self.insert(lifetime.span, lifetime.hir_id, Node::Lifetime(lifetime));
     }
 
-    fn visit_variant(&mut self, v: &'hir Variant<'hir>, g: &'hir Generics<'hir>, item_id: HirId) {
+    fn visit_variant(&mut self, v: &'hir Variant<'hir>) {
         self.insert(v.span, v.id, Node::Variant(v));
         self.with_parent(v.id, |this| {
             // Register the constructor of this variant.
             if let Some(ctor_hir_id) = v.data.ctor_hir_id() {
                 this.insert(v.span, ctor_hir_id, Node::Ctor(&v.data));
             }
-            intravisit::walk_variant(this, v, g, item_id);
+            intravisit::walk_variant(this, v);
         });
     }
 

compiler/rustc_ast_lowering/src/lifetime_collector.rs

@@ -1,9 +1,6 @@
 use super::ResolverAstLoweringExt;
 use rustc_ast::visit::{self, BoundKind, LifetimeCtxt, Visitor};
-use rustc_ast::{
-    FnRetTy, GenericBounds, Lifetime, NodeId, PathSegment, PolyTraitRef, TraitBoundModifier, Ty,
-    TyKind,
-};
+use rustc_ast::{FnRetTy, GenericBounds, Lifetime, NodeId, PathSegment, PolyTraitRef, Ty, TyKind};
 use rustc_hir::def::LifetimeRes;
 use rustc_middle::span_bug;
 use rustc_middle::ty::ResolverAstLowering;
@@ -71,10 +68,10 @@ impl<'ast> Visitor<'ast> for LifetimeCollectVisitor<'ast> {
         visit::walk_path_segment(self, path_span, path_segment);
     }
 
-    fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef, m: &'ast TraitBoundModifier) {
+    fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef) {
         self.current_binders.push(t.trait_ref.ref_id);
 
-        visit::walk_poly_trait_ref(self, t, m);
+        visit::walk_poly_trait_ref(self, t);
 
         self.current_binders.pop();
     }

compiler/rustc_ast_passes/src/ast_validation.rs

@@ -1536,25 +1536,17 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
         visit::walk_param_bound(self, bound)
     }
 
-    fn visit_poly_trait_ref(&mut self, t: &'a PolyTraitRef, m: &'a TraitBoundModifier) {
+    fn visit_poly_trait_ref(&mut self, t: &'a PolyTraitRef) {
         self.check_late_bound_lifetime_defs(&t.bound_generic_params);
-        visit::walk_poly_trait_ref(self, t, m);
+        visit::walk_poly_trait_ref(self, t);
     }
 
     fn visit_variant_data(&mut self, s: &'a VariantData) {
         self.with_banned_assoc_ty_bound(|this| visit::walk_struct_def(this, s))
     }
 
-    fn visit_enum_def(
-        &mut self,
-        enum_definition: &'a EnumDef,
-        generics: &'a Generics,
-        item_id: NodeId,
-        _: Span,
-    ) {
-        self.with_banned_assoc_ty_bound(|this| {
-            visit::walk_enum_def(this, enum_definition, generics, item_id)
-        })
+    fn visit_enum_def(&mut self, enum_definition: &'a EnumDef) {
+        self.with_banned_assoc_ty_bound(|this| visit::walk_enum_def(this, enum_definition))
     }
 
     fn visit_fn(&mut self, fk: FnKind<'a>, span: Span, id: NodeId) {

compiler/rustc_ast_passes/src/node_count.rs

@@ -79,9 +79,9 @@ impl<'ast> Visitor<'ast> for NodeCounter {
         self.count += 1;
         walk_param_bound(self, bounds)
     }
-    fn visit_poly_trait_ref(&mut self, t: &PolyTraitRef, m: &TraitBoundModifier) {
+    fn visit_poly_trait_ref(&mut self, t: &PolyTraitRef) {
         self.count += 1;
-        walk_poly_trait_ref(self, t, m)
+        walk_poly_trait_ref(self, t)
     }
     fn visit_variant_data(&mut self, s: &VariantData) {
         self.count += 1;
@@ -91,15 +91,9 @@ impl<'ast> Visitor<'ast> for NodeCounter {
         self.count += 1;
         walk_field_def(self, s)
     }
-    fn visit_enum_def(
-        &mut self,
-        enum_definition: &EnumDef,
-        generics: &Generics,
-        item_id: NodeId,
-        _: Span,
-    ) {
+    fn visit_enum_def(&mut self, enum_definition: &EnumDef) {
         self.count += 1;
-        walk_enum_def(self, enum_definition, generics, item_id)
+        walk_enum_def(self, enum_definition)
     }
     fn visit_variant(&mut self, v: &Variant) {
         self.count += 1;

compiler/rustc_ast_pretty/src/pprust/state/item.rs

@@ -412,9 +412,9 @@ impl<'a> State<'a> {
     pub(crate) fn print_visibility(&mut self, vis: &ast::Visibility) {
         match vis.kind {
             ast::VisibilityKind::Public => self.word_nbsp("pub"),
-            ast::VisibilityKind::Restricted { ref path, .. } => {
+            ast::VisibilityKind::Restricted { ref path, id: _, shorthand } => {
                 let path = Self::to_string(|s| s.print_path(path, false, 0));
-                if path == "crate" || path == "self" || path == "super" {
+                if shorthand && (path == "crate" || path == "self" || path == "super") {
                     self.word_nbsp(format!("pub({})", path))
                 } else {
                     self.word_nbsp(format!("pub(in {})", path))