Rollup of 5 pull requests

compiler/rustc_codegen_ssa/src/common.rs

@@ -8,7 +8,7 @@ use rustc_span::Span;
 
 use crate::traits::*;
 
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Debug)]
 pub enum IntPredicate {
     IntEQ,
     IntNE,
@@ -22,7 +22,7 @@ pub enum IntPredicate {
     IntSLE,
 }
 
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Debug)]
 pub enum RealPredicate {
     RealPredicateFalse,
     RealOEQ,
@@ -42,7 +42,7 @@ pub enum RealPredicate {
     RealPredicateTrue,
 }
 
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Copy, Clone, PartialEq, Debug)]
 pub enum AtomicRmwBinOp {
     AtomicXchg,
     AtomicAdd,
@@ -57,7 +57,7 @@ pub enum AtomicRmwBinOp {
     AtomicUMin,
 }
 
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Debug)]
 pub enum AtomicOrdering {
     Unordered,
     Relaxed,
@@ -67,7 +67,7 @@ pub enum AtomicOrdering {
     SequentiallyConsistent,
 }
 
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Debug)]
 pub enum SynchronizationScope {
     SingleThread,
     CrossThread,

compiler/rustc_codegen_ssa/src/traits/builder.rs

@@ -23,7 +23,7 @@ use crate::mir::operand::{OperandRef, OperandValue};
 use crate::mir::place::{PlaceRef, PlaceValue};
 use crate::MemFlags;
 
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Debug)]
 pub enum OverflowOp {
     Add,
     Sub,

compiler/rustc_hir_typeck/src/method/probe.rs

@@ -774,18 +774,23 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> {
         // instantiation that replaces `Self` with the object type itself. Hence,
         // a `&self` method will wind up with an argument type like `&dyn Trait`.
         let trait_ref = principal.with_self_ty(self.tcx, self_ty);
-        self.elaborate_bounds(iter::once(trait_ref), |this, new_trait_ref, item| {
-            this.push_candidate(
-                Candidate { item, kind: ObjectCandidate(new_trait_ref), import_ids: smallvec![] },
-                true,
-            );
-        });
+        self.assemble_candidates_for_bounds(
+            traits::supertraits(self.tcx, trait_ref),
+            |this, new_trait_ref, item| {
+                this.push_candidate(
+                    Candidate {
+                        item,
+                        kind: ObjectCandidate(new_trait_ref),
+                        import_ids: smallvec![],
+                    },
+                    true,
+                );
+            },
+        );
     }
 
     #[instrument(level = "debug", skip(self))]
     fn assemble_inherent_candidates_from_param(&mut self, param_ty: ty::ParamTy) {
-        // FIXME: do we want to commit to this behavior for param bounds?
-
         let bounds = self.param_env.caller_bounds().iter().filter_map(|predicate| {
             let bound_predicate = predicate.kind();
             match bound_predicate.skip_binder() {
@@ -806,7 +811,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> {
             }
         });
 
-        self.elaborate_bounds(bounds, |this, poly_trait_ref, item| {
+        self.assemble_candidates_for_bounds(bounds, |this, poly_trait_ref, item| {
             this.push_candidate(
                 Candidate {
                     item,
@@ -820,15 +825,14 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> {
 
     // Do a search through a list of bounds, using a callback to actually
     // create the candidates.
-    fn elaborate_bounds<F>(
+    fn assemble_candidates_for_bounds<F>(
         &mut self,
         bounds: impl Iterator<Item = ty::PolyTraitRef<'tcx>>,
         mut mk_cand: F,
     ) where
         F: for<'b> FnMut(&mut ProbeContext<'b, 'tcx>, ty::PolyTraitRef<'tcx>, ty::AssocItem),
     {
-        let tcx = self.tcx;
-        for bound_trait_ref in traits::transitive_bounds(tcx, bounds) {
+        for bound_trait_ref in bounds {
             debug!("elaborate_bounds(bound_trait_ref={:?})", bound_trait_ref);
             for item in self.impl_or_trait_item(bound_trait_ref.def_id()) {
                 if !self.has_applicable_self(&item) {

compiler/rustc_trait_selection/src/traits/mod.rs

@@ -62,7 +62,7 @@ pub use self::specialize::{
 };
 pub use self::structural_normalize::StructurallyNormalizeExt;
 pub use self::util::{
-    elaborate, expand_trait_aliases, impl_item_is_final, supertraits, transitive_bounds,
+    elaborate, expand_trait_aliases, impl_item_is_final, supertraits,
     transitive_bounds_that_define_assoc_item, upcast_choices, with_replaced_escaping_bound_vars,
     BoundVarReplacer, PlaceholderReplacer, TraitAliasExpander, TraitAliasExpansionInfo,
 };

compiler/rustc_type_ir/src/elaborate.rs

@@ -264,15 +264,6 @@ pub fn supertraits<I: Interner>(
     elaborate(cx, [trait_ref.upcast(cx)]).filter_only_self().filter_to_traits()
 }
 
-pub fn transitive_bounds<I: Interner>(
-    cx: I,
-    trait_refs: impl Iterator<Item = ty::Binder<I, ty::TraitRef<I>>>,
-) -> FilterToTraits<I, Elaborator<I, I::Clause>> {
-    elaborate(cx, trait_refs.map(|trait_ref| trait_ref.upcast(cx)))
-        .filter_only_self()
-        .filter_to_traits()
-}
-
 impl<I: Interner> Elaborator<I, I::Clause> {
     fn filter_to_traits(self) -> FilterToTraits<I, Self> {
         FilterToTraits { _cx: PhantomData, base_iterator: self }

src/bootstrap/src/core/build_steps/doc.rs

@@ -599,6 +599,16 @@ impl Step for Std {
     fn run(self, builder: &Builder<'_>) {
         let stage = self.stage;
         let target = self.target;
+        let crates = if self.crates.is_empty() {
+            builder
+                .in_tree_crates("sysroot", Some(target))
+                .iter()
+                .map(|c| c.name.to_string())
+                .collect()
+        } else {
+            self.crates
+        };
+
         let out = match self.format {
             DocumentationFormat::Html => builder.doc_out(target),
             DocumentationFormat::Json => builder.json_doc_out(target),
@@ -627,7 +637,7 @@ impl Step for Std {
             extra_args.push("--disable-minification");
         }
 
-        doc_std(builder, self.format, stage, target, &out, &extra_args, &self.crates);
+        doc_std(builder, self.format, stage, target, &out, &extra_args, &crates);
 
         // Don't open if the format is json
         if let DocumentationFormat::Json = self.format {
@@ -639,7 +649,7 @@ impl Step for Std {
             let index = out.join("std").join("index.html");
             builder.open_in_browser(index);
         } else {
-            for requested_crate in &*self.crates {
+            for requested_crate in crates {
                 if STD_PUBLIC_CRATES.iter().any(|&k| k == requested_crate) {
                     let index = out.join(requested_crate).join("index.html");
                     builder.open_in_browser(index);

src/bootstrap/src/utils/helpers.rs

@@ -536,8 +536,7 @@ pub fn get_closest_merge_base_commit(
 
     let merge_base = get_git_merge_base(config, source_dir).unwrap_or_else(|_| "HEAD".into());
 
-    git.arg(Path::new("rev-list"));
-    git.args([&format!("--author={author}"), "-n1", "--first-parent", &merge_base]);
+    git.args(["rev-list", &format!("--author={author}"), "-n1", "--first-parent", &merge_base]);
 
     if !target_paths.is_empty() {
         git.arg("--").args(target_paths);

src/librustdoc/formats/cache.rs

@@ -310,16 +310,16 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
                     // `public_items` map, so we can skip inserting into the
                     // paths map if there was already an entry present and we're
                     // not a public item.
-                    if !self.cache.paths.contains_key(&item.item_id.expect_def_id())
+                    let item_def_id = item.item_id.expect_def_id();
+                    if !self.cache.paths.contains_key(&item_def_id)
                         || self
                             .cache
                             .effective_visibilities
-                            .is_directly_public(self.tcx, item.item_id.expect_def_id())
+                            .is_directly_public(self.tcx, item_def_id)
                     {
-                        self.cache.paths.insert(
-                            item.item_id.expect_def_id(),
-                            (self.cache.stack.clone(), item.type_()),
-                        );
+                        self.cache
+                            .paths
+                            .insert(item_def_id, (self.cache.stack.clone(), item.type_()));
                     }
                 }
             }
@@ -381,9 +381,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
                         && adt.is_fundamental()
                     {
                         for ty in generics {
-                            if let Some(did) = ty.def_id(self.cache) {
-                                dids.insert(did);
-                            }
+                            dids.extend(ty.def_id(self.cache));
                         }
                     }
                 }
@@ -396,32 +394,26 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
                         .primitive_type()
                         .and_then(|t| self.cache.primitive_locations.get(&t).cloned());
 
-                    if let Some(did) = did {
-                        dids.insert(did);
-                    }
+                    dids.extend(did);
                 }
             }
 
             if let Some(generics) = i.trait_.as_ref().and_then(|t| t.generics()) {
                 for bound in generics {
-                    if let Some(did) = bound.def_id(self.cache) {
-                        dids.insert(did);
-                    }
+                    dids.extend(bound.def_id(self.cache));
                 }
             }
             let impl_item = Impl { impl_item: item };
-            if impl_item.trait_did().map_or(true, |d| self.cache.traits.contains_key(&d)) {
+            let impl_did = impl_item.def_id();
+            let trait_did = impl_item.trait_did();
+            if trait_did.map_or(true, |d| self.cache.traits.contains_key(&d)) {
                 for did in dids {
-                    if self.impl_ids.entry(did).or_default().insert(impl_item.def_id()) {
-                        self.cache
-                            .impls
-                            .entry(did)
-                            .or_insert_with(Vec::new)
-                            .push(impl_item.clone());
+                    if self.impl_ids.entry(did).or_default().insert(impl_did) {
+                        self.cache.impls.entry(did).or_default().push(impl_item.clone());
                     }
                 }
             } else {
-                let trait_did = impl_item.trait_did().expect("no trait did");
+                let trait_did = trait_did.expect("no trait did");
                 self.cache.orphan_trait_impls.push((trait_did, dids, impl_item));
             }
             None

src/librustdoc/json/mod.rs

@@ -216,13 +216,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> {
     fn after_krate(&mut self) -> Result<(), Error> {
         debug!("Done with crate");
 
-        debug!("Adding Primitive impls");
-        for primitive in Rc::clone(&self.cache).primitive_locations.values() {
-            self.get_impls(*primitive);
-        }
-
         let e = ExternalCrate { crate_num: LOCAL_CRATE };
-
         let index = (*self.index).clone().into_inner();
 
         debug!("Constructing Output");

tests/rustdoc-json/the_smallest.rs

@@ -0,0 +1,5 @@
+// This test asserts that `index` is not polluted with unrelated items.
+// See https://github.com/rust-lang/rust/issues/114039
+
+//@ count "$.index[*]" 1
+fn main() {}