Auto merge of rust-lang#124289 - matthiaskrgr:rollup-oxw52jy, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - rust-lang#123050 (panic_str only exists for the migration to 2021 panic macros)
 - rust-lang#124067 (weak lang items are not allowed to be #[track_caller])
 - rust-lang#124099 (Disallow ambiguous attributes on expressions)
 - rust-lang#124284 (parser: remove unused(no reads) max_angle_bracket_count field)
 - rust-lang#124288 (remove `push_trait_bound_inner`)

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

Author: bors

compiler/rustc_error_codes/src/error_codes/E0522.md

@@ -6,7 +6,7 @@ Erroneous code example:
 #![feature(lang_items)]
 
 #[lang = "cookie"]
-fn cookie() -> ! { // error: definition of an unknown language item: `cookie`
+fn cookie() -> ! { // error: definition of an unknown lang item: `cookie`
     loop {}
 }
 ```

compiler/rustc_feature/src/builtin_attrs.rs

@@ -798,7 +798,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     // ==========================================================================
     gated!(
         lang, Normal, template!(NameValueStr: "name"), DuplicatesOk, EncodeCrossCrate::No, lang_items,
-        "language items are subject to change",
+        "lang items are subject to change",
     ),
     rustc_attr!(
         rustc_pass_by_value, Normal, template!(Word), ErrorFollowing,

compiler/rustc_hir/src/lang_items.rs

@@ -1,4 +1,4 @@
-//! Defines language items.
+//! Defines lang items.
 //!
 //! Language items are items that represent concepts intrinsic to the language
 //! itself. Examples are:
@@ -16,7 +16,7 @@ use rustc_macros::HashStable_Generic;
 use rustc_span::symbol::{kw, sym, Symbol};
 use rustc_span::Span;
 
-/// All of the language items, defined or not.
+/// All of the lang items, defined or not.
 /// Defined lang items can come from the current crate or its dependencies.
 #[derive(HashStable_Generic, Debug)]
 pub struct LanguageItems {
@@ -57,7 +57,7 @@ macro_rules! language_item_table {
     ) => {
 
         enum_from_u32! {
-            /// A representation of all the valid language items in Rust.
+            /// A representation of all the valid lang items in Rust.
             #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Encodable, Decodable)]
             pub enum LangItem {
                 $(
@@ -177,7 +177,7 @@ language_item_table! {
     CoerceUnsized,           sym::coerce_unsized,      coerce_unsized_trait,       Target::Trait,          GenericRequirement::Minimum(1);
     DispatchFromDyn,         sym::dispatch_from_dyn,   dispatch_from_dyn_trait,    Target::Trait,          GenericRequirement::Minimum(1);
 
-    // language items relating to transmutability
+    // lang items relating to transmutability
     TransmuteOpts,           sym::transmute_opts,      transmute_opts,             Target::Struct,         GenericRequirement::Exact(0);
     TransmuteTrait,          sym::transmute_trait,     transmute_trait,            Target::Trait,          GenericRequirement::Exact(2);
 
@@ -304,7 +304,7 @@ language_item_table! {
     OwnedBox,                sym::owned_box,           owned_box,                  Target::Struct,         GenericRequirement::Minimum(1);
     GlobalAlloc,             sym::global_alloc_ty,     global_alloc_ty,            Target::Struct,         GenericRequirement::None;
 
-    // Experimental language item for Miri
+    // Experimental lang item for Miri
     PtrUnique,               sym::ptr_unique,          ptr_unique,                 Target::Struct,         GenericRequirement::Exact(1);
 
     PhantomData,             sym::phantom_data,        phantom_data,               Target::Struct,         GenericRequirement::Exact(1);

compiler/rustc_hir_analysis/src/bounds.rs

@@ -43,16 +43,6 @@ impl<'tcx> Bounds<'tcx> {
         trait_ref: ty::PolyTraitRef<'tcx>,
         span: Span,
         polarity: ty::PredicatePolarity,
-    ) {
-        self.push_trait_bound_inner(tcx, trait_ref, span, polarity);
-    }
-
-    fn push_trait_bound_inner(
-        &mut self,
-        tcx: TyCtxt<'tcx>,
-        trait_ref: ty::PolyTraitRef<'tcx>,
-        span: Span,
-        polarity: ty::PredicatePolarity,
     ) {
         let clause = (
             trait_ref

compiler/rustc_hir_analysis/src/check/intrinsic.rs

@@ -535,20 +535,20 @@ pub fn check_intrinsic_type(
 
             sym::va_start | sym::va_end => match mk_va_list_ty(hir::Mutability::Mut) {
                 Some((va_list_ref_ty, _)) => (0, 0, vec![va_list_ref_ty], Ty::new_unit(tcx)),
-                None => bug!("`va_list` language item needed for C-variadic intrinsics"),
+                None => bug!("`va_list` lang item needed for C-variadic intrinsics"),
             },
 
             sym::va_copy => match mk_va_list_ty(hir::Mutability::Not) {
                 Some((va_list_ref_ty, va_list_ty)) => {
                     let va_list_ptr_ty = Ty::new_mut_ptr(tcx, va_list_ty);
                     (0, 0, vec![va_list_ptr_ty, va_list_ref_ty], Ty::new_unit(tcx))
                 }
-                None => bug!("`va_list` language item needed for C-variadic intrinsics"),
+                None => bug!("`va_list` lang item needed for C-variadic intrinsics"),
             },
 
             sym::va_arg => match mk_va_list_ty(hir::Mutability::Mut) {
                 Some((va_list_ref_ty, _)) => (1, 0, vec![va_list_ref_ty], param(0)),
-                None => bug!("`va_list` language item needed for C-variadic intrinsics"),
+                None => bug!("`va_list` lang item needed for C-variadic intrinsics"),
             },
 
             sym::nontemporal_store => {

compiler/rustc_lint/src/non_fmt_panic.rs

@@ -53,7 +53,7 @@ impl<'tcx> LateLintPass<'tcx> for NonPanicFmt {
 
                 if Some(def_id) == cx.tcx.lang_items().begin_panic_fn()
                     || Some(def_id) == cx.tcx.lang_items().panic_fn()
-                    || f_diagnostic_name == Some(sym::panic_str)
+                    || f_diagnostic_name == Some(sym::panic_str_2015)
                 {
                     if let Some(id) = f.span.ctxt().outer_expn_data().macro_def_id {
                         if matches!(

compiler/rustc_metadata/src/rmeta/decoder.rs

@@ -1208,7 +1208,7 @@ impl<'a, 'tcx> CrateMetadataRef<'a> {
         tcx.arena.alloc_from_iter(self.root.stability_implications.decode(self))
     }
 
-    /// Iterates over the language items in the given crate.
+    /// Iterates over the lang items in the given crate.
     fn get_lang_items(self, tcx: TyCtxt<'tcx>) -> &'tcx [(DefId, LangItem)] {
         tcx.arena.alloc_from_iter(
             self.root

compiler/rustc_middle/src/middle/lang_items.rs

@@ -1,4 +1,4 @@
-//! Detecting language items.
+//! Detecting lang items.
 //!
 //! Language items are items that represent concepts intrinsic to the language
 //! itself. Examples are:

compiler/rustc_mir_transform/src/deduce_param_attrs.rs

@@ -160,7 +160,7 @@ pub fn deduced_param_attrs<'tcx>(
         return &[];
     }
 
-    // If the Freeze language item isn't present, then don't bother.
+    // If the Freeze lang item isn't present, then don't bother.
     if tcx.lang_items().freeze_trait().is_none() {
         return &[];
     }

compiler/rustc_mir_transform/src/lower_slice_len.rs

@@ -21,7 +21,7 @@ impl<'tcx> MirPass<'tcx> for LowerSliceLenCalls {
 pub fn lower_slice_len_calls<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
     let language_items = tcx.lang_items();
     let Some(slice_len_fn_item_def_id) = language_items.slice_len_fn() else {
-        // there is no language item to compare to :)
+        // there is no lang item to compare to :)
         return;
     };