Merging upstream version 1.76.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 469 insertions, 455 deletions

diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs
index 577657ff7..be04fa743 100644
--- a/compiler/rustc_feature/src/accepted.rs
+++ b/compiler/rustc_feature/src/accepted.rs
@@ -5,7 +5,7 @@ use rustc_span::symbol::sym;
 
 macro_rules! declare_features {
     ($(
-        $(#[doc = $doc:tt])* (accepted, $feature:ident, $ver:expr, $issue:expr, None),
+        $(#[doc = $doc:tt])* (accepted, $feature:ident, $ver:expr, $issue:expr),
     )+) => {
         /// Formerly unstable features that have now been accepted (stabilized).
         pub const ACCEPTED_FEATURES: &[Feature] = &[
@@ -13,7 +13,6 @@ macro_rules! declare_features {
                 name: sym::$feature,
                 since: $ver,
                 issue: to_nonzero($issue),
-                edition: None,
             }),+
         ];
     }
@@ -27,10 +26,10 @@ declare_features! (
 
     /// A temporary feature gate used to enable parser extensions needed
     /// to bootstrap fix for #5723.
-    (accepted, issue_5723_bootstrap, "1.0.0", None, None),
+    (accepted, issue_5723_bootstrap, "1.0.0", None),
     /// These are used to test this portion of the compiler,
     /// they don't actually mean anything.
-    (accepted, test_accepted_feature, "1.0.0", None, None),
+    (accepted, test_accepted_feature, "1.0.0", None),
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
     // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
@@ -44,333 +43,333 @@ declare_features! (
     // -------------------------------------------------------------------------
 
     /// Allows `#[target_feature(...)]` on aarch64 platforms
-    (accepted, aarch64_target_feature, "1.61.0", Some(44839), None),
+    (accepted, aarch64_target_feature, "1.61.0", Some(44839)),
     /// Allows using the `efiapi` ABI.
-    (accepted, abi_efiapi, "1.68.0", Some(65815), None),
+    (accepted, abi_efiapi, "1.68.0", Some(65815)),
     /// Allows the sysV64 ABI to be specified on all platforms
     /// instead of just the platforms on which it is the C ABI.
-    (accepted, abi_sysv64, "1.24.0", Some(36167), None),
+    (accepted, abi_sysv64, "1.24.0", Some(36167)),
     /// Allows using the `thiscall` ABI.
-    (accepted, abi_thiscall, "1.73.0", None, None),
+    (accepted, abi_thiscall, "1.73.0", None),
     /// Allows using ADX intrinsics from `core::arch::{x86, x86_64}`.
-    (accepted, adx_target_feature, "1.61.0", Some(44839), None),
+    (accepted, adx_target_feature, "1.61.0", Some(44839)),
     /// Allows explicit discriminants on non-unit enum variants.
-    (accepted, arbitrary_enum_discriminant, "1.66.0", Some(60553), None),
+    (accepted, arbitrary_enum_discriminant, "1.66.0", Some(60553)),
     /// Allows using `sym` operands in inline assembly.
-    (accepted, asm_sym, "1.66.0", Some(93333), None),
+    (accepted, asm_sym, "1.66.0", Some(93333)),
     /// Allows the definition of associated constants in `trait` or `impl` blocks.
-    (accepted, associated_consts, "1.20.0", Some(29646), None),
+    (accepted, associated_consts, "1.20.0", Some(29646)),
     /// Allows using associated `type`s in `trait`s.
-    (accepted, associated_types, "1.0.0", None, None),
+    (accepted, associated_types, "1.0.0", None),
     /// Allows free and inherent `async fn`s, `async` blocks, and `<expr>.await` expressions.
-    (accepted, async_await, "1.39.0", Some(50547), None),
+    (accepted, async_await, "1.39.0", Some(50547)),
     /// Allows async functions to be declared, implemented, and used in traits.
-    (accepted, async_fn_in_trait, "1.75.0", Some(91611), None),
+    (accepted, async_fn_in_trait, "1.75.0", Some(91611)),
     /// Allows all literals in attribute lists and values of key-value pairs.
-    (accepted, attr_literals, "1.30.0", Some(34981), None),
+    (accepted, attr_literals, "1.30.0", Some(34981)),
     /// Allows overloading augmented assignment operations like `a += b`.
-    (accepted, augmented_assignments, "1.8.0", Some(28235), None),
+    (accepted, augmented_assignments, "1.8.0", Some(28235)),
     /// Allows mixing bind-by-move in patterns and references to those identifiers in guards.
-    (accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287), None),
+    (accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287)),
     /// Allows bindings in the subpattern of a binding pattern.
     /// For example, you can write `x @ Some(y)`.
-    (accepted, bindings_after_at, "1.56.0", Some(65490), None),
+    (accepted, bindings_after_at, "1.56.0", Some(65490)),
     /// Allows empty structs and enum variants with braces.
-    (accepted, braced_empty_structs, "1.8.0", Some(29720), None),
+    (accepted, braced_empty_structs, "1.8.0", Some(29720)),
     /// Allows `#[cfg_attr(predicate, multiple, attributes, here)]`.
-    (accepted, cfg_attr_multi, "1.33.0", Some(54881), None),
+    (accepted, cfg_attr_multi, "1.33.0", Some(54881)),
     /// Allows the use of `#[cfg(doctest)]`, set when rustdoc is collecting doctests.
-    (accepted, cfg_doctest, "1.40.0", Some(62210), None),
+    (accepted, cfg_doctest, "1.40.0", Some(62210)),
     /// Enables `#[cfg(panic = "...")]` config key.
-    (accepted, cfg_panic, "1.60.0", Some(77443), None),
+    (accepted, cfg_panic, "1.60.0", Some(77443)),
     /// Allows `cfg(target_feature = "...")`.
-    (accepted, cfg_target_feature, "1.27.0", Some(29717), None),
+    (accepted, cfg_target_feature, "1.27.0", Some(29717)),
     /// Allows `cfg(target_vendor = "...")`.
-    (accepted, cfg_target_vendor, "1.33.0", Some(29718), None),
+    (accepted, cfg_target_vendor, "1.33.0", Some(29718)),
     /// Allows implementing `Clone` for closures where possible (RFC 2132).
-    (accepted, clone_closures, "1.26.0", Some(44490), None),
+    (accepted, clone_closures, "1.26.0", Some(44490)),
     /// Allows coercing non capturing closures to function pointers.
-    (accepted, closure_to_fn_coercion, "1.19.0", Some(39817), None),
+    (accepted, closure_to_fn_coercion, "1.19.0", Some(39817)),
     /// Allows using the CMPXCHG16B target feature.
-    (accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839), None),
+    (accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839)),
     /// Allows usage of the `compile_error!` macro.
-    (accepted, compile_error, "1.20.0", Some(40872), None),
+    (accepted, compile_error, "1.20.0", Some(40872)),
     /// Allows `impl Trait` in function return types.
-    (accepted, conservative_impl_trait, "1.26.0", Some(34511), None),
+    (accepted, conservative_impl_trait, "1.26.0", Some(34511)),
     /// Allows calling constructor functions in `const fn`.
-    (accepted, const_constructor, "1.40.0", Some(61456), None),
+    (accepted, const_constructor, "1.40.0", Some(61456)),
     /// Allows using and casting function pointers in a `const fn`.
-    (accepted, const_fn_fn_ptr_basics, "1.61.0", Some(57563), None),
+    (accepted, const_fn_fn_ptr_basics, "1.61.0", Some(57563)),
     /// Allows trait bounds in `const fn`.
-    (accepted, const_fn_trait_bound, "1.61.0", Some(93706), None),
+    (accepted, const_fn_trait_bound, "1.61.0", Some(93706)),
     /// Allows calling `transmute` in const fn
-    (accepted, const_fn_transmute, "1.56.0", Some(53605), None),
+    (accepted, const_fn_transmute, "1.56.0", Some(53605)),
     /// Allows accessing fields of unions inside `const` functions.
-    (accepted, const_fn_union, "1.56.0", Some(51909), None),
+    (accepted, const_fn_union, "1.56.0", Some(51909)),
     /// Allows unsizing coercions in `const fn`.
-    (accepted, const_fn_unsize, "1.54.0", Some(64992), None),
+    (accepted, const_fn_unsize, "1.54.0", Some(64992)),
     /// Allows const generics to have default values (e.g. `struct Foo<const N: usize = 3>(...);`).
-    (accepted, const_generics_defaults, "1.59.0", Some(44580), None),
+    (accepted, const_generics_defaults, "1.59.0", Some(44580)),
     /// Allows the use of `if` and `match` in constants.
-    (accepted, const_if_match, "1.46.0", Some(49146), None),
+    (accepted, const_if_match, "1.46.0", Some(49146)),
     /// Allows argument and return position `impl Trait` in a `const fn`.
-    (accepted, const_impl_trait, "1.61.0", Some(77463), None),
+    (accepted, const_impl_trait, "1.61.0", Some(77463)),
     /// Allows indexing into constant arrays.
-    (accepted, const_indexing, "1.26.0", Some(29947), None),
+    (accepted, const_indexing, "1.26.0", Some(29947)),
     /// Allows let bindings, assignments and destructuring in `const` functions and constants.
     /// As long as control flow is not implemented in const eval, `&&` and `||` may not be used
     /// at the same time as let bindings.
-    (accepted, const_let, "1.33.0", Some(48821), None),
+    (accepted, const_let, "1.33.0", Some(48821)),
     /// Allows the use of `loop` and `while` in constants.
-    (accepted, const_loop, "1.46.0", Some(52000), None),
+    (accepted, const_loop, "1.46.0", Some(52000)),
     /// Allows panicking during const eval (producing compile-time errors).
-    (accepted, const_panic, "1.57.0", Some(51999), None),
+    (accepted, const_panic, "1.57.0", Some(51999)),
     /// Allows dereferencing raw pointers during const eval.
-    (accepted, const_raw_ptr_deref, "1.58.0", Some(51911), None),
+    (accepted, const_raw_ptr_deref, "1.58.0", Some(51911)),
     /// Allows implementing `Copy` for closures where possible (RFC 2132).
-    (accepted, copy_closures, "1.26.0", Some(44490), None),
+    (accepted, copy_closures, "1.26.0", Some(44490)),
     /// Allows `crate` in paths.
-    (accepted, crate_in_paths, "1.30.0", Some(45477), None),
+    (accepted, crate_in_paths, "1.30.0", Some(45477)),
     /// Allows using `#[debugger_visualizer]` attribute.
-    (accepted, debugger_visualizer, "1.71.0", Some(95939), None),
+    (accepted, debugger_visualizer, "1.71.0", Some(95939)),
     /// Allows rustc to inject a default alloc_error_handler
-    (accepted, default_alloc_error_handler, "1.68.0", Some(66741), None),
+    (accepted, default_alloc_error_handler, "1.68.0", Some(66741)),
     /// Allows using assigning a default type to type parameters in algebraic data type definitions.
-    (accepted, default_type_params, "1.0.0", None, None),
+    (accepted, default_type_params, "1.0.0", None),
     /// Allows `#[deprecated]` attribute.
-    (accepted, deprecated, "1.9.0", Some(29935), None),
+    (accepted, deprecated, "1.9.0", Some(29935)),
     /// Allows `#[derive(Default)]` and `#[default]` on enums.
-    (accepted, derive_default_enum, "1.62.0", Some(86985), None),
+    (accepted, derive_default_enum, "1.62.0", Some(86985)),
     /// Allows the use of destructuring assignments.
-    (accepted, destructuring_assignment, "1.59.0", Some(71126), None),
+    (accepted, destructuring_assignment, "1.59.0", Some(71126)),
     /// Allows `#[doc(alias = "...")]`.
-    (accepted, doc_alias, "1.48.0", Some(50146), None),
+    (accepted, doc_alias, "1.48.0", Some(50146)),
     /// Allows `..` in tuple (struct) patterns.
-    (accepted, dotdot_in_tuple_patterns, "1.14.0", Some(33627), None),
+    (accepted, dotdot_in_tuple_patterns, "1.14.0", Some(33627)),
     /// Allows `..=` in patterns (RFC 1192).
-    (accepted, dotdoteq_in_patterns, "1.26.0", Some(28237), None),
+    (accepted, dotdoteq_in_patterns, "1.26.0", Some(28237)),
     /// Allows `Drop` types in constants (RFC 1440).
-    (accepted, drop_types_in_const, "1.22.0", Some(33156), None),
+    (accepted, drop_types_in_const, "1.22.0", Some(33156)),
     /// Allows using `dyn Trait` as a syntax for trait objects.
-    (accepted, dyn_trait, "1.27.0", Some(44662), None),
+    (accepted, dyn_trait, "1.27.0", Some(44662)),
     /// Allows integer match exhaustiveness checking (RFC 2591).
-    (accepted, exhaustive_integer_patterns, "1.33.0", Some(50907), None),
+    (accepted, exhaustive_integer_patterns, "1.33.0", Some(50907)),
     /// Allows explicit generic arguments specification with `impl Trait` present.
-    (accepted, explicit_generic_args_with_impl_trait, "1.63.0", Some(83701), None),
+    (accepted, explicit_generic_args_with_impl_trait, "1.63.0", Some(83701)),
     /// Allows arbitrary expressions in key-value attributes at parse time.
-    (accepted, extended_key_value_attributes, "1.54.0", Some(78835), None),
+    (accepted, extended_key_value_attributes, "1.54.0", Some(78835)),
     /// Allows resolving absolute paths as paths from other crates.
-    (accepted, extern_absolute_paths, "1.30.0", Some(44660), None),
+    (accepted, extern_absolute_paths, "1.30.0", Some(44660)),
     /// Allows `extern crate foo as bar;`. This puts `bar` into extern prelude.
-    (accepted, extern_crate_item_prelude, "1.31.0", Some(55599), None),
+    (accepted, extern_crate_item_prelude, "1.31.0", Some(55599)),
     /// Allows `extern crate self as foo;`.
     /// This puts local crate root into extern prelude under name `foo`.
-    (accepted, extern_crate_self, "1.34.0", Some(56409), None),
+    (accepted, extern_crate_self, "1.34.0", Some(56409)),
     /// Allows access to crate names passed via `--extern` through prelude.
-    (accepted, extern_prelude, "1.30.0", Some(44660), None),
+    (accepted, extern_prelude, "1.30.0", Some(44660)),
     /// Allows using F16C intrinsics from `core::arch::{x86, x86_64}`.
-    (accepted, f16c_target_feature, "1.68.0", Some(44839), None),
+    (accepted, f16c_target_feature, "1.68.0", Some(44839)),
     /// Allows field shorthands (`x` meaning `x: x`) in struct literal expressions.
-    (accepted, field_init_shorthand, "1.17.0", Some(37340), None),
+    (accepted, field_init_shorthand, "1.17.0", Some(37340)),
     /// Allows `#[must_use]` on functions, and introduces must-use operators (RFC 1940).
-    (accepted, fn_must_use, "1.27.0", Some(43302), None),
+    (accepted, fn_must_use, "1.27.0", Some(43302)),
     /// Allows capturing variables in scope using format_args!
-    (accepted, format_args_capture, "1.58.0", Some(67984), None),
+    (accepted, format_args_capture, "1.58.0", Some(67984)),
     /// Allows associated types to be generic, e.g., `type Foo<T>;` (RFC 1598).
-    (accepted, generic_associated_types, "1.65.0", Some(44265), None),
+    (accepted, generic_associated_types, "1.65.0", Some(44265)),
     /// Allows attributes on lifetime/type formal parameters in generics (RFC 1327).
-    (accepted, generic_param_attrs, "1.27.0", Some(48848), None),
+    (accepted, generic_param_attrs, "1.27.0", Some(48848)),
     /// Allows the `#[global_allocator]` attribute.
-    (accepted, global_allocator, "1.28.0", Some(27389), None),
+    (accepted, global_allocator, "1.28.0", Some(27389)),
     // FIXME: explain `globs`.
-    (accepted, globs, "1.0.0", None, None),
+    (accepted, globs, "1.0.0", None),
     /// Allows using `..=X` as a pattern.
-    (accepted, half_open_range_patterns, "1.66.0", Some(67264), None),
+    (accepted, half_open_range_patterns, "1.66.0", Some(67264)),
     /// Allows using the `u128` and `i128` types.
-    (accepted, i128_type, "1.26.0", Some(35118), None),
+    (accepted, i128_type, "1.26.0", Some(35118)),
     /// Allows the use of `if let` expressions.
-    (accepted, if_let, "1.0.0", None, None),
+    (accepted, if_let, "1.0.0", None),
     /// Allows top level or-patterns (`p | q`) in `if let` and `while let`.
-    (accepted, if_while_or_patterns, "1.33.0", Some(48215), None),
+    (accepted, if_while_or_patterns, "1.33.0", Some(48215)),
     /// Allows lifetime elision in `impl` headers. For example:
     /// + `impl<I:Iterator> Iterator for &mut Iterator`
     /// + `impl Debug for Foo<'_>`
-    (accepted, impl_header_lifetime_elision, "1.31.0", Some(15872), None),
+    (accepted, impl_header_lifetime_elision, "1.31.0", Some(15872)),
     /// Allows referencing `Self` and projections in impl-trait.
-    (accepted, impl_trait_projections, "1.74.0", Some(103532), None),
+    (accepted, impl_trait_projections, "1.74.0", Some(103532)),
     /// Allows using `a..=b` and `..=b` as inclusive range syntaxes.
-    (accepted, inclusive_range_syntax, "1.26.0", Some(28237), None),
+    (accepted, inclusive_range_syntax, "1.26.0", Some(28237)),
     /// Allows inferring outlives requirements (RFC 2093).
-    (accepted, infer_outlives_requirements, "1.30.0", Some(44493), None),
+    (accepted, infer_outlives_requirements, "1.30.0", Some(44493)),
     /// Allows irrefutable patterns in `if let` and `while let` statements (RFC 2086).
-    (accepted, irrefutable_let_patterns, "1.33.0", Some(44495), None),
+    (accepted, irrefutable_let_patterns, "1.33.0", Some(44495)),
     /// Allows `#[instruction_set(_)]` attribute.
-    (accepted, isa_attribute, "1.67.0", Some(74727), None),
+    (accepted, isa_attribute, "1.67.0", Some(74727)),
     /// Allows some increased flexibility in the name resolution rules,
     /// especially around globs and shadowing (RFC 1560).
-    (accepted, item_like_imports, "1.15.0", Some(35120), None),
+    (accepted, item_like_imports, "1.15.0", Some(35120)),
     /// Allows `'a: { break 'a; }`.
-    (accepted, label_break_value, "1.65.0", Some(48594), None),
+    (accepted, label_break_value, "1.65.0", Some(48594)),
     /// Allows `let...else` statements.
-    (accepted, let_else, "1.65.0", Some(87335), None),
+    (accepted, let_else, "1.65.0", Some(87335)),
     /// Allows `break {expr}` with a value inside `loop`s.
-    (accepted, loop_break_value, "1.19.0", Some(37339), None),
+    (accepted, loop_break_value, "1.19.0", Some(37339)),
     /// Allows use of `?` as the Kleene "at most one" operator in macros.
-    (accepted, macro_at_most_once_rep, "1.32.0", Some(48075), None),
+    (accepted, macro_at_most_once_rep, "1.32.0", Some(48075)),
     /// Allows macro attributes to observe output of `#[derive]`.
-    (accepted, macro_attributes_in_derive_output, "1.57.0", Some(81119), None),
+    (accepted, macro_attributes_in_derive_output, "1.57.0", Some(81119)),
     /// Allows use of the `:lifetime` macro fragment specifier.
-    (accepted, macro_lifetime_matcher, "1.27.0", Some(34303), None),
+    (accepted, macro_lifetime_matcher, "1.27.0", Some(34303)),
     /// Allows use of the `:literal` macro fragment specifier (RFC 1576).
-    (accepted, macro_literal_matcher, "1.32.0", Some(35625), None),
+    (accepted, macro_literal_matcher, "1.32.0", Some(35625)),
     /// Allows `macro_rules!` items.
-    (accepted, macro_rules, "1.0.0", None, None),
+    (accepted, macro_rules, "1.0.0", None),
     /// Allows use of the `:vis` macro fragment specifier
-    (accepted, macro_vis_matcher, "1.30.0", Some(41022), None),
+    (accepted, macro_vis_matcher, "1.30.0", Some(41022)),
     /// Allows macro invocations in `extern {}` blocks.
-    (accepted, macros_in_extern, "1.40.0", Some(49476), None),
+    (accepted, macros_in_extern, "1.40.0", Some(49476)),
     /// Allows '|' at beginning of match arms (RFC 1925).
-    (accepted, match_beginning_vert, "1.25.0", Some(44101), None),
+    (accepted, match_beginning_vert, "1.25.0", Some(44101)),
     /// Allows default match binding modes (RFC 2005).
-    (accepted, match_default_bindings, "1.26.0", Some(42640), None),
+    (accepted, match_default_bindings, "1.26.0", Some(42640)),
     /// Allows `impl Trait` with multiple unrelated lifetimes.
-    (accepted, member_constraints, "1.54.0", Some(61997), None),
+    (accepted, member_constraints, "1.54.0", Some(61997)),
     /// Allows the definition of `const fn` functions.
-    (accepted, min_const_fn, "1.31.0", Some(53555), None),
+    (accepted, min_const_fn, "1.31.0", Some(53555)),
     /// The smallest useful subset of const generics.
-    (accepted, min_const_generics, "1.51.0", Some(74878), None),
+    (accepted, min_const_generics, "1.51.0", Some(74878)),
     /// Allows calling `const unsafe fn` inside `unsafe` blocks in `const fn` functions.
-    (accepted, min_const_unsafe_fn, "1.33.0", Some(55607), None),
+    (accepted, min_const_unsafe_fn, "1.33.0", Some(55607)),
     /// Allows using `Self` and associated types in struct expressions and patterns.
-    (accepted, more_struct_aliases, "1.16.0", Some(37544), None),
+    (accepted, more_struct_aliases, "1.16.0", Some(37544)),
     /// Allows using the MOVBE target feature.
-    (accepted, movbe_target_feature, "1.70.0", Some(44839), None),
+    (accepted, movbe_target_feature, "1.70.0", Some(44839)),
     /// Allows patterns with concurrent by-move and by-ref bindings.
     /// For example, you can write `Foo(a, ref b)` where `a` is by-move and `b` is by-ref.
-    (accepted, move_ref_pattern, "1.49.0", Some(68354), None),
+    (accepted, move_ref_pattern, "1.49.0", Some(68354)),
     /// Allows specifying modifiers in the link attribute: `#[link(modifiers = "...")]`
-    (accepted, native_link_modifiers, "1.61.0", Some(81490), None),
+    (accepted, native_link_modifiers, "1.61.0", Some(81490)),
     /// Allows specifying the bundle link modifier
-    (accepted, native_link_modifiers_bundle, "1.63.0", Some(81490), None),
+    (accepted, native_link_modifiers_bundle, "1.63.0", Some(81490)),
     /// Allows specifying the verbatim link modifier
-    (accepted, native_link_modifiers_verbatim, "1.67.0", Some(81490), None),
+    (accepted, native_link_modifiers_verbatim, "1.67.0", Some(81490)),
     /// Allows specifying the whole-archive link modifier
-    (accepted, native_link_modifiers_whole_archive, "1.61.0", Some(81490), None),
+    (accepted, native_link_modifiers_whole_archive, "1.61.0", Some(81490)),
     /// Allows using non lexical lifetimes (RFC 2094).
-    (accepted, nll, "1.63.0", Some(43234), None),
+    (accepted, nll, "1.63.0", Some(43234)),
     /// Allows using `#![no_std]`.
-    (accepted, no_std, "1.6.0", None, None),
+    (accepted, no_std, "1.6.0", None),
     /// Allows defining identifiers beyond ASCII.
-    (accepted, non_ascii_idents, "1.53.0", Some(55467), None),
+    (accepted, non_ascii_idents, "1.53.0", Some(55467)),
     /// Allows future-proofing enums/structs with the `#[non_exhaustive]` attribute (RFC 2008).
-    (accepted, non_exhaustive, "1.40.0", Some(44109), None),
+    (accepted, non_exhaustive, "1.40.0", Some(44109)),
     /// Allows `foo.rs` as an alternative to `foo/mod.rs`.
-    (accepted, non_modrs_mods, "1.30.0", Some(44660), None),
+    (accepted, non_modrs_mods, "1.30.0", Some(44660)),
     /// Allows the use of or-patterns (e.g., `0 | 1`).
-    (accepted, or_patterns, "1.53.0", Some(54883), None),
+    (accepted, or_patterns, "1.53.0", Some(54883)),
     /// Allows using `+bundle,+whole-archive` link modifiers with native libs.
-    (accepted, packed_bundled_libs, "1.74.0", Some(108081), None),
+    (accepted, packed_bundled_libs, "1.74.0", Some(108081)),
     /// Allows annotating functions conforming to `fn(&PanicInfo) -> !` with `#[panic_handler]`.
     /// This defines the behavior of panics.
-    (accepted, panic_handler, "1.30.0", Some(44489), None),
+    (accepted, panic_handler, "1.30.0", Some(44489)),
     /// Allows attributes in formal function parameters.
-    (accepted, param_attrs, "1.39.0", Some(60406), None),
+    (accepted, param_attrs, "1.39.0", Some(60406)),
     /// Allows parentheses in patterns.
-    (accepted, pattern_parentheses, "1.31.0", Some(51087), None),
+    (accepted, pattern_parentheses, "1.31.0", Some(51087)),
     /// Allows procedural macros in `proc-macro` crates.
-    (accepted, proc_macro, "1.29.0", Some(38356), None),
+    (accepted, proc_macro, "1.29.0", Some(38356)),
     /// Allows multi-segment paths in attributes and derives.
-    (accepted, proc_macro_path_invoc, "1.30.0", Some(38356), None),
+    (accepted, proc_macro_path_invoc, "1.30.0", Some(38356)),
     /// Allows `pub(restricted)` visibilities (RFC 1422).
-    (accepted, pub_restricted, "1.18.0", Some(32409), None),
+    (accepted, pub_restricted, "1.18.0", Some(32409)),
     /// Allows use of the postfix `?` operator in expressions.
-    (accepted, question_mark, "1.13.0", Some(31436), None),
+    (accepted, question_mark, "1.13.0", Some(31436)),
     /// Allows the use of raw-dylibs (RFC 2627).
-    (accepted, raw_dylib, "1.71.0", Some(58713), None),
+    (accepted, raw_dylib, "1.71.0", Some(58713)),
     /// Allows keywords to be escaped for use as identifiers.
-    (accepted, raw_identifiers, "1.30.0", Some(48589), None),
+    (accepted, raw_identifiers, "1.30.0", Some(48589)),
     /// Allows relaxing the coherence rules such that
     /// `impl<T> ForeignTrait<LocalType> for ForeignType<T>` is permitted.
-    (accepted, re_rebalance_coherence, "1.41.0", Some(55437), None),
+    (accepted, re_rebalance_coherence, "1.41.0", Some(55437)),
     /// Allows numeric fields in struct expressions and patterns.
-    (accepted, relaxed_adts, "1.19.0", Some(35626), None),
+    (accepted, relaxed_adts, "1.19.0", Some(35626)),
     /// Lessens the requirements for structs to implement `Unsize`.
-    (accepted, relaxed_struct_unsize, "1.58.0", Some(81793), None),
+    (accepted, relaxed_struct_unsize, "1.58.0", Some(81793)),
     /// Allows `repr(align(16))` struct attribute (RFC 1358).
-    (accepted, repr_align, "1.25.0", Some(33626), None),
+    (accepted, repr_align, "1.25.0", Some(33626)),
     /// Allows using `#[repr(align(X))]` on enums with equivalent semantics
     /// to wrapping an enum in a wrapper struct with `#[repr(align(X))]`.
-    (accepted, repr_align_enum, "1.37.0", Some(57996), None),
+    (accepted, repr_align_enum, "1.37.0", Some(57996)),
     /// Allows `#[repr(packed(N))]` attribute on structs.
-    (accepted, repr_packed, "1.33.0", Some(33158), None),
+    (accepted, repr_packed, "1.33.0", Some(33158)),
     /// Allows `#[repr(transparent)]` attribute on newtype structs.
-    (accepted, repr_transparent, "1.28.0", Some(43036), None),
+    (accepted, repr_transparent, "1.28.0", Some(43036)),
     /// Allows return-position `impl Trait` in traits.
-    (accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611), None),
+    (accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611)),
     /// Allows code like `let x: &'static u32 = &42` to work (RFC 1414).
-    (accepted, rvalue_static_promotion, "1.21.0", Some(38865), None),
+    (accepted, rvalue_static_promotion, "1.21.0", Some(38865)),
     /// Allows `Self` in type definitions (RFC 2300).
-    (accepted, self_in_typedefs, "1.32.0", Some(49303), None),
+    (accepted, self_in_typedefs, "1.32.0", Some(49303)),
     /// Allows `Self` struct constructor (RFC 2302).
-    (accepted, self_struct_ctor, "1.32.0", Some(51994), None),
+    (accepted, self_struct_ctor, "1.32.0", Some(51994)),
     /// Allows using subslice patterns, `[a, .., b]` and `[a, xs @ .., b]`.
-    (accepted, slice_patterns, "1.42.0", Some(62254), None),
+    (accepted, slice_patterns, "1.42.0", Some(62254)),
     /// Allows use of `&foo[a..b]` as a slicing syntax.
-    (accepted, slicing_syntax, "1.0.0", None, None),
+    (accepted, slicing_syntax, "1.0.0", None),
     /// Allows elision of `'static` lifetimes in `static`s and `const`s.
-    (accepted, static_in_const, "1.17.0", Some(35897), None),
+    (accepted, static_in_const, "1.17.0", Some(35897)),
     /// Allows the definition recursive static items.
-    (accepted, static_recursion, "1.17.0", Some(29719), None),
+    (accepted, static_recursion, "1.17.0", Some(29719)),
     /// Allows attributes on struct literal fields.
-    (accepted, struct_field_attributes, "1.20.0", Some(38814), None),
+    (accepted, struct_field_attributes, "1.20.0", Some(38814)),
     /// Allows struct variants `Foo { baz: u8, .. }` in enums (RFC 418).
-    (accepted, struct_variant, "1.0.0", None, None),
+    (accepted, struct_variant, "1.0.0", None),
     /// Allows `#[target_feature(...)]`.
-    (accepted, target_feature, "1.27.0", None, None),
+    (accepted, target_feature, "1.27.0", None),
     /// Allows `fn main()` with return types which implements `Termination` (RFC 1937).
-    (accepted, termination_trait, "1.26.0", Some(43301), None),
+    (accepted, termination_trait, "1.26.0", Some(43301)),
     /// Allows `#[test]` functions where the return type implements `Termination` (RFC 1937).
-    (accepted, termination_trait_test, "1.27.0", Some(48854), None),
+    (accepted, termination_trait_test, "1.27.0", Some(48854)),
     /// Allows attributes scoped to tools.
-    (accepted, tool_attributes, "1.30.0", Some(44690), None),
+    (accepted, tool_attributes, "1.30.0", Some(44690)),
     /// Allows scoped lints.
-    (accepted, tool_lints, "1.31.0", Some(44690), None),
+    (accepted, tool_lints, "1.31.0", Some(44690)),
     /// Allows `#[track_caller]` to be used which provides
     /// accurate caller location reporting during panic (RFC 2091).
-    (accepted, track_caller, "1.46.0", Some(47809), None),
+    (accepted, track_caller, "1.46.0", Some(47809)),
     /// Allows #[repr(transparent)] on univariant enums (RFC 2645).
-    (accepted, transparent_enums, "1.42.0", Some(60405), None),
+    (accepted, transparent_enums, "1.42.0", Some(60405)),
     /// Allows indexing tuples.
-    (accepted, tuple_indexing, "1.0.0", None, None),
+    (accepted, tuple_indexing, "1.0.0", None),
     /// Allows paths to enum variants on type aliases including `Self`.
-    (accepted, type_alias_enum_variants, "1.37.0", Some(49683), None),
+    (accepted, type_alias_enum_variants, "1.37.0", Some(49683)),
     /// Allows macros to appear in the type position.
-    (accepted, type_macros, "1.13.0", Some(27245), None),
+    (accepted, type_macros, "1.13.0", Some(27245)),
     /// Allows `const _: TYPE = VALUE`.
-    (accepted, underscore_const_names, "1.37.0", Some(54912), None),
+    (accepted, underscore_const_names, "1.37.0", Some(54912)),
     /// Allows `use path as _;` and `extern crate c as _;`.
-    (accepted, underscore_imports, "1.33.0", Some(48216), None),
+    (accepted, underscore_imports, "1.33.0", Some(48216)),
     /// Allows `'_` placeholder lifetimes.
-    (accepted, underscore_lifetimes, "1.26.0", Some(44524), None),
+    (accepted, underscore_lifetimes, "1.26.0", Some(44524)),
     /// Allows `use x::y;` to search `x` in the current scope.
-    (accepted, uniform_paths, "1.32.0", Some(53130), None),
+    (accepted, uniform_paths, "1.32.0", Some(53130)),
     /// Allows `impl Trait` in function arguments.
-    (accepted, universal_impl_trait, "1.26.0", Some(34511), None),
+    (accepted, universal_impl_trait, "1.26.0", Some(34511)),
     /// Allows arbitrary delimited token streams in non-macro attributes.
-    (accepted, unrestricted_attribute_tokens, "1.34.0", Some(55208), None),
+    (accepted, unrestricted_attribute_tokens, "1.34.0", Some(55208)),
     /// The `unsafe_op_in_unsafe_fn` lint (allowed by default): no longer treat an unsafe function as an unsafe block.
-    (accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668), None),
+    (accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668)),
     /// Allows importing and reexporting macros with `use`,
     /// enables macro modularization in general.
-    (accepted, use_extern_macros, "1.30.0", Some(35896), None),
+    (accepted, use_extern_macros, "1.30.0", Some(35896)),
     /// Allows nested groups in `use` items (RFC 2128).
-    (accepted, use_nested_groups, "1.25.0", Some(44494), None),
+    (accepted, use_nested_groups, "1.25.0", Some(44494)),
     /// Allows `#[used]` to preserve symbols (see llvm.compiler.used).
-    (accepted, used, "1.30.0", Some(40289), None),
+    (accepted, used, "1.30.0", Some(40289)),
     /// Allows the use of `while let` expressions.
-    (accepted, while_let, "1.0.0", None, None),
+    (accepted, while_let, "1.0.0", None),
     /// Allows `#![windows_subsystem]`.
-    (accepted, windows_subsystem, "1.18.0", Some(37499), None),
+    (accepted, windows_subsystem, "1.18.0", Some(37499)),
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
     // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index 214de3ca4..5523543cd 100644
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -719,12 +719,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
         and it is only intended to be used in `alloc`."
     ),
 
-    rustc_attr!(
-        rustc_host, AttributeType::Normal, template!(Word), ErrorFollowing,
-        "#[rustc_host] annotates const generic parameters as the `host` effect param, \
-        and it is only intended for internal use and as a desugaring."
-    ),
-
     BuiltinAttribute {
         name: sym::rustc_diagnostic_item,
         // FIXME: This can be `true` once we always use `tcx.is_diagnostic_item`.
@@ -813,7 +807,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     rustc_attr!(TEST, rustc_regions, Normal, template!(Word), WarnFollowing),
     rustc_attr!(
         TEST, rustc_error, Normal,
-        template!(Word, List: "delay_span_bug_from_inside_query"), WarnFollowingWordOnly
+        template!(Word, List: "span_delayed_bug_from_inside_query"), WarnFollowingWordOnly
     ),
     rustc_attr!(TEST, rustc_dump_user_args, Normal, template!(Word), WarnFollowing),
     rustc_attr!(TEST, rustc_evaluate_where_clauses, Normal, template!(Word), WarnFollowing),
diff --git a/compiler/rustc_feature/src/lib.rs b/compiler/rustc_feature/src/lib.rs
index 070234df9..cd1d9b13d 100644
--- a/compiler/rustc_feature/src/lib.rs
+++ b/compiler/rustc_feature/src/lib.rs
@@ -11,9 +11,9 @@
 //! even if it is stabilized or removed, *do not remove it*. Instead, move the
 //! symbol to the `accepted` or `removed` modules respectively.
 
-#![cfg_attr(not(bootstrap), allow(internal_features))]
-#![cfg_attr(not(bootstrap), feature(rustdoc_internals))]
-#![cfg_attr(not(bootstrap), doc(rust_logo))]
+#![allow(internal_features)]
+#![feature(rustdoc_internals)]
+#![doc(rust_logo)]
 #![feature(lazy_cell)]
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]
@@ -26,7 +26,7 @@ mod unstable;
 #[cfg(test)]
 mod tests;
 
-use rustc_span::{edition::Edition, symbol::Symbol};
+use rustc_span::symbol::Symbol;
 use std::num::NonZeroU32;
 
 #[derive(Debug, Clone)]
@@ -34,7 +34,6 @@ pub struct Feature {
     pub name: Symbol,
     pub since: &'static str,
     issue: Option<NonZeroU32>,
-    pub edition: Option<Edition>,
 }
 
 #[derive(Copy, Clone, Debug)]
diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs
index 4385e745b..67ee53d8a 100644
--- a/compiler/rustc_feature/src/removed.rs
+++ b/compiler/rustc_feature/src/removed.rs
@@ -10,7 +10,7 @@ pub struct RemovedFeature {
 
 macro_rules! declare_features {
     ($(
-        $(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, None, $reason:expr),
+        $(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, $reason:expr),
     )+) => {
         /// Formerly unstable features that have now been removed.
         pub const REMOVED_FEATURES: &[RemovedFeature] = &[
@@ -19,7 +19,6 @@ macro_rules! declare_features {
                     name: sym::$feature,
                     since: $ver,
                     issue: to_nonzero($issue),
-                    edition: None,
                 },
                 reason: $reason
             }),+
@@ -33,173 +32,178 @@ declare_features! (
     // feature-group-start: removed features
     // -------------------------------------------------------------------------
 
-    (removed, advanced_slice_patterns, "1.0.0", Some(62254), None,
+    (removed, advanced_slice_patterns, "1.0.0", Some(62254),
      Some("merged into `#![feature(slice_patterns)]`")),
-    (removed, allocator, "1.0.0", None, None, None),
+    (removed, allocator, "1.0.0", None, None),
     /// Allows a test to fail without failing the whole suite.
-    (removed, allow_fail, "1.19.0", Some(46488), None, Some("removed due to no clear use cases")),
-    (removed, await_macro, "1.38.0", Some(50547), None,
+    (removed, allow_fail, "1.19.0", Some(46488), Some("removed due to no clear use cases")),
+    (removed, await_macro, "1.38.0", Some(50547),
      Some("subsumed by `.await` syntax")),
     /// Allows using the `box $expr` syntax.
-    (removed, box_syntax, "1.70.0", Some(49733), None, Some("replaced with `#[rustc_box]`")),
+    (removed, box_syntax, "1.70.0", Some(49733), Some("replaced with `#[rustc_box]`")),
     /// Allows capturing disjoint fields in a closure/coroutine (RFC 2229).
-    (removed, capture_disjoint_fields, "1.49.0", Some(53488), None, Some("stabilized in Rust 2021")),
+    (removed, capture_disjoint_fields, "1.49.0", Some(53488), Some("stabilized in Rust 2021")),
     /// Allows comparing raw pointers during const eval.
-    (removed, const_compare_raw_pointers, "1.46.0", Some(53020), None,
+    (removed, const_compare_raw_pointers, "1.46.0", Some(53020),
      Some("cannot be allowed in const eval in any meaningful way")),
     /// Allows limiting the evaluation steps of const expressions
-    (removed, const_eval_limit, "1.43.0", Some(67217), None, Some("removed the limit entirely")),
+    (removed, const_eval_limit, "1.43.0", Some(67217), Some("removed the limit entirely")),
     /// Allows non-trivial generic constants which have to be manually propagated upwards.
-    (removed, const_evaluatable_checked, "1.48.0", Some(76560), None, Some("renamed to `generic_const_exprs`")),
+    (removed, const_evaluatable_checked, "1.48.0", Some(76560), Some("renamed to `generic_const_exprs`")),
     /// Allows the definition of `const` functions with some advanced features.
-    (removed, const_fn, "1.54.0", Some(57563), None,
+    (removed, const_fn, "1.54.0", Some(57563),
      Some("split into finer-grained feature gates")),
     /// Allows const generic types (e.g. `struct Foo<const N: usize>(...);`).
-    (removed, const_generics, "1.34.0", Some(44580), None,
+    (removed, const_generics, "1.34.0", Some(44580),
      Some("removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`")),
     /// Allows `[x; N]` where `x` is a constant (RFC 2203).
-    (removed, const_in_array_repeat_expressions,  "1.37.0", Some(49147), None,
+    (removed, const_in_array_repeat_expressions,  "1.37.0", Some(49147),
      Some("removed due to causing promotable bugs")),
     /// Allows casting raw pointers to `usize` during const eval.
-    (removed, const_raw_ptr_to_usize_cast, "1.55.0", Some(51910), None,
+    (removed, const_raw_ptr_to_usize_cast, "1.55.0", Some(51910),
      Some("at compile-time, pointers do not have an integer value, so these casts cannot be properly supported")),
     /// Allows `T: ?const Trait` syntax in bounds.
-    (removed, const_trait_bound_opt_out, "1.42.0", Some(67794), None,
+    (removed, const_trait_bound_opt_out, "1.42.0", Some(67794),
      Some("Removed in favor of `~const` bound in #![feature(const_trait_impl)]")),
     /// Allows using `crate` as visibility modifier, synonymous with `pub(crate)`.
-    (removed, crate_visibility_modifier, "1.63.0", Some(53120), None, Some("removed in favor of `pub(crate)`")),
+    (removed, crate_visibility_modifier, "1.63.0", Some(53120), Some("removed in favor of `pub(crate)`")),
     /// Allows using custom attributes (RFC 572).
-    (removed, custom_attribute, "1.0.0", Some(29642), None,
+    (removed, custom_attribute, "1.0.0", Some(29642),
      Some("removed in favor of `#![register_tool]` and `#![register_attr]`")),
     /// Allows the use of `#[derive(Anything)]` as sugar for `#[derive_Anything]`.
-    (removed, custom_derive, "1.32.0", Some(29644), None,
+    (removed, custom_derive, "1.32.0", Some(29644),
      Some("subsumed by `#[proc_macro_derive]`")),
     /// Allows using `#[doc(keyword = "...")]`.
-    (removed, doc_keyword, "1.28.0", Some(51315), None,
+    (removed, doc_keyword, "1.28.0", Some(51315),
      Some("merged into `#![feature(rustdoc_internals)]`")),
     /// Allows using `doc(primitive)` without a future-incompat warning.
-    (removed, doc_primitive, "1.56.0", Some(88070), None,
+    (removed, doc_primitive, "1.56.0", Some(88070),
      Some("merged into `#![feature(rustdoc_internals)]`")),
     /// Allows `#[doc(spotlight)]`.
     /// The attribute was renamed to `#[doc(notable_trait)]`
     /// and the feature to `doc_notable_trait`.
-    (removed, doc_spotlight, "1.22.0", Some(45040), None,
+    (removed, doc_spotlight, "1.22.0", Some(45040),
      Some("renamed to `doc_notable_trait`")),
     /// Allows using `#[unsafe_destructor_blind_to_params]` (RFC 1238).
-    (removed, dropck_parametricity, "1.38.0", Some(28498), None, None),
+    (removed, dropck_parametricity, "1.38.0", Some(28498), None),
     /// Allows defining `existential type`s.
-    (removed, existential_type, "1.38.0", Some(63063), None,
+    (removed, existential_type, "1.38.0", Some(63063),
      Some("removed in favor of `#![feature(type_alias_impl_trait)]`")),
     /// Paths of the form: `extern::foo::bar`
-    (removed, extern_in_paths, "1.33.0", Some(55600), None,
+    (removed, extern_in_paths, "1.33.0", Some(55600),
      Some("subsumed by `::foo::bar` paths")),
     /// Allows `#[doc(include = "some-file")]`.
-    (removed, external_doc, "1.54.0", Some(44732), None,
+    (removed, external_doc, "1.54.0", Some(44732),
      Some("use #[doc = include_str!(\"filename\")] instead, which handles macro invocations")),
     /// Allows generators to be cloned.
-    (removed, generator_clone, "1.65.0", Some(95360), None, Some("renamed to `coroutine_clone`")),
+    (removed, generator_clone, "1.65.0", Some(95360), Some("renamed to `coroutine_clone`")),
     /// Allows defining generators.
-    (removed, generators, "1.21.0", Some(43122), None, Some("renamed to `coroutines`")),
+    (removed, generators, "1.21.0", Some(43122), Some("renamed to `coroutines`")),
     /// Allows `impl Trait` in bindings (`let`, `const`, `static`).
-    (removed, impl_trait_in_bindings, "1.55.0", Some(63065), None,
+    (removed, impl_trait_in_bindings, "1.55.0", Some(63065),
      Some("the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done")),
-    (removed, import_shadowing, "1.0.0", None, None, None),
+    (removed, import_shadowing, "1.0.0", None, None),
     /// Allows in-band quantification of lifetime bindings (e.g., `fn foo(x: &'a u8) -> &'a u8`).
-    (removed, in_band_lifetimes, "1.23.0", Some(44524), None,
+    (removed, in_band_lifetimes, "1.23.0", Some(44524),
      Some("removed due to unsolved ergonomic questions and added lifetime resolution complexity")),
     /// Allows inferring `'static` outlives requirements (RFC 2093).
-    (removed, infer_static_outlives_requirements, "1.63.0", Some(54185), None,
+    (removed, infer_static_outlives_requirements, "1.63.0", Some(54185),
      Some("removed as it caused some confusion and discussion was inactive for years")),
     /// Lazily evaluate constants. This allows constants to depend on type parameters.
-    (removed, lazy_normalization_consts, "1.46.0", Some(72219), None, Some("superseded by `generic_const_exprs`")),
+    (removed, lazy_normalization_consts, "1.46.0", Some(72219), Some("superseded by `generic_const_exprs`")),
     /// Allows using the `#[link_args]` attribute.
-    (removed, link_args, "1.53.0", Some(29596), None,
+    (removed, link_args, "1.53.0", Some(29596),
      Some("removed in favor of using `-C link-arg=ARG` on command line, \
            which is available from cargo build scripts with `cargo:rustc-link-arg` now")),
-    (removed, macro_reexport, "1.0.0", Some(29638), None,
+    (removed, macro_reexport, "1.0.0", Some(29638),
      Some("subsumed by `pub use`")),
     /// Allows using `#[main]` to replace the entrypoint `#[lang = "start"]` calls.
-    (removed, main, "1.53.0", Some(29634), None, None),
-    (removed, managed_boxes, "1.0.0", None, None, None),
+    (removed, main, "1.53.0", Some(29634), None),
+    (removed, managed_boxes, "1.0.0", None, None),
     /// Allows the use of type alias impl trait in function return positions
-    (removed, min_type_alias_impl_trait, "1.56.0", Some(63063), None,
+    (removed, min_type_alias_impl_trait, "1.56.0", Some(63063),
      Some("removed in favor of full type_alias_impl_trait")),
-    (removed, needs_allocator, "1.4.0", Some(27389), None,
+    (removed, needs_allocator, "1.4.0", Some(27389),
      Some("subsumed by `#![feature(allocator_internals)]`")),
     /// Allows use of unary negate on unsigned integers, e.g., -e for e: u8
-    (removed, negate_unsigned, "1.0.0", Some(29645), None, None),
+    (removed, negate_unsigned, "1.0.0", Some(29645), None),
     /// Allows `#[no_coverage]` on functions.
     /// The feature was renamed to `coverage_attribute` and the attribute to `#[coverage(on|off)]`
-    (removed, no_coverage, "1.74.0", Some(84605), None, Some("renamed to `coverage_attribute`")),
+    (removed, no_coverage, "1.74.0", Some(84605), Some("renamed to `coverage_attribute`")),
     /// Allows `#[no_debug]`.
-    (removed, no_debug, "1.43.0", Some(29721), None, Some("removed due to lack of demand")),
+    (removed, no_debug, "1.43.0", Some(29721), Some("removed due to lack of demand")),
     /// Note: this feature was previously recorded in a separate
     /// `STABLE_REMOVED` list because it, uniquely, was once stable but was
     /// then removed. But there was no utility storing it separately, so now
     /// it's in this list.
-    (removed, no_stack_check, "1.0.0", None, None, None),
+    (removed, no_stack_check, "1.0.0", None, None),
     /// Allows using `#[on_unimplemented(..)]` on traits.
     /// (Moved to `rustc_attrs`.)
-    (removed, on_unimplemented, "1.40.0", None, None, None),
+    (removed, on_unimplemented, "1.40.0", None, None),
     /// A way to temporarily opt out of opt-in copy. This will *never* be accepted.
-    (removed, opt_out_copy, "1.0.0", None, None, None),
+    (removed, opt_out_copy, "1.0.0", None, None),
     /// Allows features specific to OIBIT (now called auto traits).
     /// Renamed to `auto_traits`.
-    (removed, optin_builtin_traits, "1.0.0", Some(13231), None,
+    (removed, optin_builtin_traits, "1.0.0", Some(13231),
      Some("renamed to `auto_traits`")),
     /// Allows overlapping impls of marker traits.
-    (removed, overlapping_marker_traits, "1.42.0", Some(29864), None,
+    (removed, overlapping_marker_traits, "1.42.0", Some(29864),
      Some("removed in favor of `#![feature(marker_trait_attr)]`")),
-    (removed, panic_implementation, "1.28.0", Some(44489), None,
+    (removed, panic_implementation, "1.28.0", Some(44489),
      Some("subsumed by `#[panic_handler]`")),
     /// Allows using `#![plugin(myplugin)]`.
-    (removed, plugin, "1.75.0", Some(29597), None,
+    (removed, plugin, "1.75.0", Some(29597),
      Some("plugins are no longer supported")),
     /// Allows using `#[plugin_registrar]` on functions.
-    (removed, plugin_registrar, "1.54.0", Some(29597), None,
+    (removed, plugin_registrar, "1.54.0", Some(29597),
      Some("plugins are no longer supported")),
-    (removed, proc_macro_expr, "1.27.0", Some(54727), None,
+    /// Allows exhaustive integer pattern matching with `usize::MAX`/`isize::MIN`/`isize::MAX`.
+    (removed, precise_pointer_size_matching, "1.32.0", Some(56354),
+     Some("removed in favor of half-open ranges")),
+    (removed, proc_macro_expr, "1.27.0", Some(54727),
      Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
-    (removed, proc_macro_gen, "1.27.0", Some(54727), None,
+    (removed, proc_macro_gen, "1.27.0", Some(54727),
      Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
-    (removed, proc_macro_mod, "1.27.0", Some(54727), None,
+    (removed, proc_macro_mod, "1.27.0", Some(54727),
      Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
-    (removed, proc_macro_non_items, "1.27.0", Some(54727), None,
+    (removed, proc_macro_non_items, "1.27.0", Some(54727),
      Some("subsumed by `#![feature(proc_macro_hygiene)]`")),
-    (removed, pub_macro_rules, "1.53.0", Some(78855), None,
+    (removed, pub_macro_rules, "1.53.0", Some(78855),
      Some("removed due to being incomplete, in particular it does not work across crates")),
-    (removed, pushpop_unsafe, "1.2.0", None, None, None),
-    (removed, quad_precision_float, "1.0.0", None, None, None),
-    (removed, quote, "1.33.0", Some(29601), None, None),
-    (removed, reflect, "1.0.0", Some(27749), None, None),
+    (removed, pushpop_unsafe, "1.2.0", None, None),
+    (removed, quad_precision_float, "1.0.0", None, None),
+    (removed, quote, "1.33.0", Some(29601), None),
+    (removed, reflect, "1.0.0", Some(27749), None),
     /// Allows using the `#[register_attr]` attribute.
-    (removed, register_attr, "1.65.0", Some(66080), None,
+    (removed, register_attr, "1.65.0", Some(66080),
      Some("removed in favor of `#![register_tool]`")),
+    (removed, rust_2018_preview, "1.76.0", None,
+     Some("2018 Edition preview is no longer relevant")),
     /// Allows using the macros:
     /// + `__diagnostic_used`
     /// + `__register_diagnostic`
     /// +`__build_diagnostic_array`
-    (removed, rustc_diagnostic_macros, "1.38.0", None, None, None),
+    (removed, rustc_diagnostic_macros, "1.38.0", None, None),
     /// Allows identifying crates that contain sanitizer runtimes.
-    (removed, sanitizer_runtime, "1.17.0", None, None, None),
-    (removed, simd, "1.0.0", Some(27731), None,
+    (removed, sanitizer_runtime, "1.17.0", None, None),
+    (removed, simd, "1.0.0", Some(27731),
      Some("removed in favor of `#[repr(simd)]`")),
     /// Allows `#[link(kind = "static-nobundle", ...)]`.
-    (removed, static_nobundle, "1.16.0", Some(37403), None,
+    (removed, static_nobundle, "1.16.0", Some(37403),
      Some(r#"subsumed by `#[link(kind = "static", modifiers = "-bundle", ...)]`"#)),
-    (removed, struct_inherit, "1.0.0", None, None, None),
-    (removed, test_removed_feature, "1.0.0", None, None, None),
+    (removed, struct_inherit, "1.0.0", None, None),
+    (removed, test_removed_feature, "1.0.0", None, None),
     /// Allows using items which are missing stability attributes
-    (removed, unmarked_api, "1.0.0", None, None, None),
-    (removed, unsafe_no_drop_flag, "1.0.0", None, None, None),
+    (removed, unmarked_api, "1.0.0", None, None),
+    (removed, unsafe_no_drop_flag, "1.0.0", None, None),
     /// Allows `union` fields that don't implement `Copy` as long as they don't have any drop glue.
-    (removed, untagged_unions, "1.13.0", Some(55149), None,
+    (removed, untagged_unions, "1.13.0", Some(55149),
      Some("unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more")),
     /// Allows `#[unwind(..)]`.
     ///
     /// Permits specifying whether a function should permit unwinding or abort on unwind.
-    (removed, unwind_attributes, "1.56.0", Some(58760), None, Some("use the C-unwind ABI instead")),
-    (removed, visible_private_types, "1.0.0", None, None, None),
+    (removed, unwind_attributes, "1.56.0", Some(58760), Some("use the C-unwind ABI instead")),
+    (removed, visible_private_types, "1.0.0", None, None),
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
     // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
index b11b190bd..eadb19f6f 100644
--- a/compiler/rustc_feature/src/unstable.rs
+++ b/compiler/rustc_feature/src/unstable.rs
@@ -3,7 +3,6 @@
 use super::{to_nonzero, Feature};
 
 use rustc_data_structures::fx::FxHashSet;
-use rustc_span::edition::Edition;
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::Span;
 
@@ -33,7 +32,7 @@ macro_rules! status_to_enum {
 
 macro_rules! declare_features {
     ($(
-        $(#[doc = $doc:tt])* ($status:ident, $feature:ident, $ver:expr, $issue:expr, $edition:expr),
+        $(#[doc = $doc:tt])* ($status:ident, $feature:ident, $ver:expr, $issue:expr),
     )+) => {
         /// Unstable language features that are being implemented or being
         /// considered for acceptance (stabilization) or removal.
@@ -43,19 +42,22 @@ macro_rules! declare_features {
                     name: sym::$feature,
                     since: $ver,
                     issue: to_nonzero($issue),
-                    edition: $edition,
                 },
                 // Sets this feature's corresponding bool within `features`.
                 set_enabled: |features| features.$feature = true,
             }),+
         ];
 
+        const NUM_FEATURES: usize = UNSTABLE_FEATURES.len();
+
         /// A set of features to be used by later passes.
         #[derive(Clone, Default, Debug)]
         pub struct Features {
             /// `#![feature]` attrs for language features, for error reporting.
+            /// "declared" here means that the feature is actually enabled in the current crate.
             pub declared_lang_features: Vec<(Symbol, Span, Option<Symbol>)>,
             /// `#![feature]` attrs for non-language (library) features.
+            /// "declared" here means that the feature is actually enabled in the current crate.
             pub declared_lib_features: Vec<(Symbol, Span)>,
             /// `declared_lang_features` + `declared_lib_features`.
             pub declared_features: FxHashSet<Symbol>,
@@ -82,8 +84,14 @@ macro_rules! declare_features {
                 self.declared_features.insert(symbol);
             }
 
-            pub fn walk_feature_fields(&self, mut f: impl FnMut(&str, bool)) {
-                $(f(stringify!($feature), self.$feature);)+
+            /// This is intended for hashing the set of active features.
+            ///
+            /// The expectation is that this produces much smaller code than other alternatives.
+            ///
+            /// Note that the total feature count is pretty small, so this is not a huge array.
+            #[inline]
+            pub fn all_features(&self) -> [u8; NUM_FEATURES] {
+                [$(self.$feature as u8),+]
             }
 
             /// Is the given feature explicitly declared, i.e. named in a
@@ -92,8 +100,7 @@ macro_rules! declare_features {
                 self.declared_features.contains(&feature)
             }
 
-            /// Is the given feature active, i.e. declared or automatically
-            /// enabled due to the edition?
+            /// Is the given feature active (enabled by the user)?
             ///
             /// Panics if the symbol doesn't correspond to a declared feature.
             pub fn active(&self, feature: Symbol) -> bool {
@@ -125,9 +132,18 @@ macro_rules! declare_features {
                     $(
                         sym::$feature => status_to_enum!($status) == FeatureStatus::Internal,
                     )*
-                    // Accepted/removed features aren't in this file but are never internal
-                    // (a removed feature might have been internal, but that's now irrelevant).
-                    _ if self.declared_features.contains(&feature) => false,
+                    _ if self.declared_features.contains(&feature) => {
+                        // This could be accepted/removed, or a libs feature.
+                        // Accepted/removed features aren't in this file but are never internal
+                        // (a removed feature might have been internal, but that's now irrelevant).
+                        // Libs features are internal if they end in `_internal` or `_internals`.
+                        // As a special exception we also consider `core_intrinsics` internal;
+                        // renaming that age-old feature is just not worth the hassle.
+                        // We just always test the name; it's not a big deal if we accidentally hit
+                        // an accepted/removed lang feature that way.
+                        let name = feature.as_str();
+                        name == "core_intrinsics" || name.ends_with("_internal") || name.ends_with("_internals")
+                    }
                     _ => panic!("`{}` was not listed in `declare_features`", feature),
                 }
             }
@@ -147,7 +163,7 @@ macro_rules! declare_features {
 // was set.
 //
 // Note that the features are grouped into internal/user-facing and then
-// sorted by version inside those groups. This is enforced with tidy.
+// sorted alphabetically inside those groups. This is enforced with tidy.
 //
 // N.B., `tools/tidy/src/features.rs` parses this information directly out of the
 // source, so take care when modifying it.
@@ -160,59 +176,56 @@ declare_features! (
     // no-tracking-issue-start
 
     /// Allows using the `unadjusted` ABI; perma-unstable.
-    (unstable, abi_unadjusted, "1.16.0", None, None),
+    (internal, abi_unadjusted, "1.16.0", None),
     /// Allows using the `vectorcall` ABI.
-    (unstable, abi_vectorcall, "1.7.0", None, None),
+    (unstable, abi_vectorcall, "1.7.0", None),
     /// Allows using `#![needs_allocator]`, an implementation detail of `#[global_allocator]`.
-    (internal, allocator_internals, "1.20.0", None, None),
+    (internal, allocator_internals, "1.20.0", None),
     /// Allows using `#[allow_internal_unsafe]`. This is an
     /// attribute on `macro_rules!` and can't use the attribute handling
     /// below (it has to be checked before expansion possibly makes
     /// macros disappear).
-    (internal, allow_internal_unsafe, "1.0.0", None, None),
+    (internal, allow_internal_unsafe, "1.0.0", None),
     /// Allows using `#[allow_internal_unstable]`. This is an
     /// attribute on `macro_rules!` and can't use the attribute handling
     /// below (it has to be checked before expansion possibly makes
     /// macros disappear).
-    (internal, allow_internal_unstable, "1.0.0", None, None),
+    (internal, allow_internal_unstable, "1.0.0", None),
     /// Allows using anonymous lifetimes in argument-position impl-trait.
-    (unstable, anonymous_lifetime_in_impl_trait, "1.63.0", None, None),
+    (unstable, anonymous_lifetime_in_impl_trait, "1.63.0", None),
     /// Allows identifying the `compiler_builtins` crate.
-    (internal, compiler_builtins, "1.13.0", None, None),
+    (internal, compiler_builtins, "1.13.0", None),
     /// Allows writing custom MIR
-    (internal, custom_mir, "1.65.0", None, None),
+    (internal, custom_mir, "1.65.0", None),
     /// Outputs useful `assert!` messages
-    (unstable, generic_assert, "1.63.0", None, None),
+    (unstable, generic_assert, "1.63.0", None),
     /// Allows using the `rust-intrinsic`'s "ABI".
-    (internal, intrinsics, "1.0.0", None, None),
+    (internal, intrinsics, "1.0.0", None),
     /// Allows using `#[lang = ".."]` attribute for linking items to special compiler logic.
-    (internal, lang_items, "1.0.0", None, None),
+    (internal, lang_items, "1.0.0", None),
+    /// Changes `impl Trait` to capture all lifetimes in scope.
+    (unstable, lifetime_capture_rules_2024, "1.76.0", None),
     /// Allows `#[link(..., cfg(..))]`; perma-unstable per #37406
-    (unstable, link_cfg, "1.14.0", None, None),
+    (unstable, link_cfg, "1.14.0", None),
     /// Allows the `multiple_supertrait_upcastable` lint.
-    (unstable, multiple_supertrait_upcastable, "1.69.0", None, None),
+    (unstable, multiple_supertrait_upcastable, "1.69.0", None),
     /// Allow negative trait bounds. This is an internal-only feature for testing the trait solver!
-    (incomplete, negative_bounds, "1.71.0", None, None),
+    (incomplete, negative_bounds, "1.71.0", None),
     /// Allows using `#[omit_gdb_pretty_printer_section]`.
-    (internal, omit_gdb_pretty_printer_section, "1.5.0", None, None),
+    (internal, omit_gdb_pretty_printer_section, "1.5.0", None),
     /// Allows using `#[prelude_import]` on glob `use` items.
-    (internal, prelude_import, "1.2.0", None, None),
+    (internal, prelude_import, "1.2.0", None),
     /// Used to identify crates that contain the profiler runtime.
-    (internal, profiler_runtime, "1.18.0", None, None),
+    (internal, profiler_runtime, "1.18.0", None),
     /// Allows using `rustc_*` attributes (RFC 572).
-    (internal, rustc_attrs, "1.0.0", None, None),
+    (internal, rustc_attrs, "1.0.0", None),
     /// Allows using the `#[stable]` and `#[unstable]` attributes.
-    (internal, staged_api, "1.0.0", None, None),
-    /// Added for testing E0705; perma-unstable.
-    (internal, test_2018_feature, "1.31.0", None, Some(Edition::Edition2018)),
+    (internal, staged_api, "1.0.0", None),
     /// Added for testing unstable lints; perma-unstable.
-    (internal, test_unstable_lint, "1.60.0", None, None),
-    /// Allows non-`unsafe` —and thus, unsound— access to `Pin` constructions.
-    /// Marked `internal` since perma-unstable and unsound.
-    (internal, unsafe_pin_internals, "1.60.0", None, None),
+    (internal, test_unstable_lint, "1.60.0", None),
     /// Use for stable + negative coherence and strict coherence depending on trait's
     /// rustc_strict_coherence value.
-    (unstable, with_negative_coherence, "1.60.0", None, None),
+    (unstable, with_negative_coherence, "1.60.0", None),
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
     // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
@@ -228,44 +241,44 @@ declare_features! (
 
     /// Allows features specific to auto traits.
     /// Renamed from `optin_builtin_traits`.
-    (unstable, auto_traits, "1.50.0", Some(13231), None),
+    (unstable, auto_traits, "1.50.0", Some(13231)),
     /// Allows using `box` in patterns (RFC 469).
-    (unstable, box_patterns, "1.0.0", Some(29641), None),
+    (unstable, box_patterns, "1.0.0", Some(29641)),
     /// Allows `#[doc(notable_trait)]`.
     /// Renamed from `doc_spotlight`.
-    (unstable, doc_notable_trait, "1.52.0", Some(45040), None),
+    (unstable, doc_notable_trait, "1.52.0", Some(45040)),
     /// Allows using the `may_dangle` attribute (RFC 1327).
-    (unstable, dropck_eyepatch, "1.10.0", Some(34761), None),
+    (unstable, dropck_eyepatch, "1.10.0", Some(34761)),
     /// Allows using the `#[fundamental]` attribute.
-    (unstable, fundamental, "1.0.0", Some(29635), None),
+    (unstable, fundamental, "1.0.0", Some(29635)),
     /// Allows using `#[link_name="llvm.*"]`.
-    (internal, link_llvm_intrinsics, "1.0.0", Some(29602), None),
+    (internal, link_llvm_intrinsics, "1.0.0", Some(29602)),
     /// Allows using the `#[linkage = ".."]` attribute.
-    (unstable, linkage, "1.0.0", Some(29603), None),
+    (unstable, linkage, "1.0.0", Some(29603)),
     /// Allows declaring with `#![needs_panic_runtime]` that a panic runtime is needed.
-    (internal, needs_panic_runtime, "1.10.0", Some(32837), None),
+    (internal, needs_panic_runtime, "1.10.0", Some(32837)),
     /// Allows using the `#![panic_runtime]` attribute.
-    (internal, panic_runtime, "1.10.0", Some(32837), None),
+    (internal, panic_runtime, "1.10.0", Some(32837)),
     /// Allows `extern "platform-intrinsic" { ... }`.
-    (internal, platform_intrinsics, "1.4.0", Some(27731), None),
+    (internal, platform_intrinsics, "1.4.0", Some(27731)),
     /// Allows using `#[rustc_allow_const_fn_unstable]`.
     /// This is an attribute on `const fn` for the same
     /// purpose as `#[allow_internal_unstable]`.
-    (internal, rustc_allow_const_fn_unstable, "1.49.0", Some(69399), None),
+    (internal, rustc_allow_const_fn_unstable, "1.49.0", Some(69399)),
     /// Allows using compiler's own crates.
-    (unstable, rustc_private, "1.0.0", Some(27812), None),
+    (unstable, rustc_private, "1.0.0", Some(27812)),
     /// Allows using internal rustdoc features like `doc(keyword)`.
-    (internal, rustdoc_internals, "1.58.0", Some(90418), None),
+    (internal, rustdoc_internals, "1.58.0", Some(90418)),
     /// Allows using the `rustdoc::missing_doc_code_examples` lint
-    (unstable, rustdoc_missing_doc_code_examples, "1.31.0", Some(101730), None),
+    (unstable, rustdoc_missing_doc_code_examples, "1.31.0", Some(101730)),
     /// Allows using `#[start]` on a function indicating that it is the program entrypoint.
-    (unstable, start, "1.0.0", Some(29633), None),
+    (unstable, start, "1.0.0", Some(29633)),
     /// Allows using `#[structural_match]` which indicates that a type is structurally matchable.
     /// FIXME: Subsumed by trait `StructuralPartialEq`, cannot move to removed until a library
     /// feature with the same name exists.
-    (unstable, structural_match, "1.8.0", Some(31434), None),
+    (unstable, structural_match, "1.8.0", Some(31434)),
     /// Allows using the `rust-call` ABI.
-    (unstable, unboxed_closures, "1.0.0", Some(29625), None),
+    (unstable, unboxed_closures, "1.0.0", Some(29625)),
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
     // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
@@ -281,21 +294,21 @@ declare_features! (
     // FIXME: Document these and merge with the list below.
 
     // Unstable `#[target_feature]` directives.
-    (unstable, aarch64_ver_target_feature, "1.27.0", Some(44839), None),
-    (unstable, arm_target_feature, "1.27.0", Some(44839), None),
-    (unstable, avx512_target_feature, "1.27.0", Some(44839), None),
-    (unstable, bpf_target_feature, "1.54.0", Some(44839), None),
-    (unstable, csky_target_feature, "1.73.0", Some(44839), None),
-    (unstable, ermsb_target_feature, "1.49.0", Some(44839), None),
-    (unstable, hexagon_target_feature, "1.27.0", Some(44839), None),
-    (unstable, loongarch_target_feature, "1.73.0", Some(44839), None),
-    (unstable, mips_target_feature, "1.27.0", Some(44839), None),
-    (unstable, powerpc_target_feature, "1.27.0", Some(44839), None),
-    (unstable, riscv_target_feature, "1.45.0", Some(44839), None),
-    (unstable, rtm_target_feature, "1.35.0", Some(44839), None),
-    (unstable, sse4a_target_feature, "1.27.0", Some(44839), None),
-    (unstable, tbm_target_feature, "1.27.0", Some(44839), None),
-    (unstable, wasm_target_feature, "1.30.0", Some(44839), None),
+    (unstable, aarch64_ver_target_feature, "1.27.0", Some(44839)),
+    (unstable, arm_target_feature, "1.27.0", Some(44839)),
+    (unstable, avx512_target_feature, "1.27.0", Some(44839)),
+    (unstable, bpf_target_feature, "1.54.0", Some(44839)),
+    (unstable, csky_target_feature, "1.73.0", Some(44839)),
+    (unstable, ermsb_target_feature, "1.49.0", Some(44839)),
+    (unstable, hexagon_target_feature, "1.27.0", Some(44839)),
+    (unstable, loongarch_target_feature, "1.73.0", Some(44839)),
+    (unstable, mips_target_feature, "1.27.0", Some(44839)),
+    (unstable, powerpc_target_feature, "1.27.0", Some(44839)),
+    (unstable, riscv_target_feature, "1.45.0", Some(44839)),
+    (unstable, rtm_target_feature, "1.35.0", Some(44839)),
+    (unstable, sse4a_target_feature, "1.27.0", Some(44839)),
+    (unstable, tbm_target_feature, "1.27.0", Some(44839)),
+    (unstable, wasm_target_feature, "1.30.0", Some(44839)),
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
     // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
@@ -309,295 +322,300 @@ declare_features! (
     // -------------------------------------------------------------------------
 
     /// Allows using the `amdgpu-kernel` ABI.
-    (unstable, abi_amdgpu_kernel, "1.29.0", Some(51575), None),
+    (unstable, abi_amdgpu_kernel, "1.29.0", Some(51575)),
     /// Allows `extern "avr-interrupt" fn()` and `extern "avr-non-blocking-interrupt" fn()`.
-    (unstable, abi_avr_interrupt, "1.45.0", Some(69664), None),
+    (unstable, abi_avr_interrupt, "1.45.0", Some(69664)),
     /// Allows `extern "C-cmse-nonsecure-call" fn()`.
-    (unstable, abi_c_cmse_nonsecure_call, "1.51.0", Some(81391), None),
+    (unstable, abi_c_cmse_nonsecure_call, "1.51.0", Some(81391)),
     /// Allows `extern "msp430-interrupt" fn()`.
-    (unstable, abi_msp430_interrupt, "1.16.0", Some(38487), None),
+    (unstable, abi_msp430_interrupt, "1.16.0", Some(38487)),
     /// Allows `extern "ptx-*" fn()`.
-    (unstable, abi_ptx, "1.15.0", Some(38788), None),
+    (unstable, abi_ptx, "1.15.0", Some(38788)),
     /// Allows `extern "riscv-interrupt-m" fn()` and `extern "riscv-interrupt-s" fn()`.
-    (unstable, abi_riscv_interrupt, "1.73.0", Some(111889), None),
+    (unstable, abi_riscv_interrupt, "1.73.0", Some(111889)),
     /// Allows `extern "x86-interrupt" fn()`.
-    (unstable, abi_x86_interrupt, "1.17.0", Some(40180), None),
+    (unstable, abi_x86_interrupt, "1.17.0", Some(40180)),
     /// Allows additional const parameter types, such as `&'static str` or user defined types
-    (incomplete, adt_const_params, "1.56.0", Some(95174), None),
+    (incomplete, adt_const_params, "1.56.0", Some(95174)),
     /// Allows defining an `#[alloc_error_handler]`.
-    (unstable, alloc_error_handler, "1.29.0", Some(51540), None),
+    (unstable, alloc_error_handler, "1.29.0", Some(51540)),
     /// Allows trait methods with arbitrary self types.
-    (unstable, arbitrary_self_types, "1.23.0", Some(44874), None),
+    (unstable, arbitrary_self_types, "1.23.0", Some(44874)),
     /// Allows using `const` operands in inline assembly.
-    (unstable, asm_const, "1.58.0", Some(93332), None),
+    (unstable, asm_const, "1.58.0", Some(93332)),
     /// Enables experimental inline assembly support for additional architectures.
-    (unstable, asm_experimental_arch, "1.58.0", Some(93335), None),
+    (unstable, asm_experimental_arch, "1.58.0", Some(93335)),
     /// Allows the `may_unwind` option in inline assembly.
-    (unstable, asm_unwind, "1.58.0", Some(93334), None),
+    (unstable, asm_unwind, "1.58.0", Some(93334)),
     /// Allows users to enforce equality of associated constants `TraitImpl<AssocConst=3>`.
-    (unstable, associated_const_equality, "1.58.0", Some(92827), None),
+    (unstable, associated_const_equality, "1.58.0", Some(92827)),
     /// Allows the user of associated type bounds.
-    (unstable, associated_type_bounds, "1.34.0", Some(52662), None),
+    (unstable, associated_type_bounds, "1.34.0", Some(52662)),
     /// Allows associated type defaults.
-    (unstable, associated_type_defaults, "1.2.0", Some(29661), None),
+    (unstable, associated_type_defaults, "1.2.0", Some(29661)),
     /// Allows `async || body` closures.
-    (unstable, async_closure, "1.37.0", Some(62290), None),
+    (unstable, async_closure, "1.37.0", Some(62290)),
     /// Allows `#[track_caller]` on async functions.
-    (unstable, async_fn_track_caller, "1.73.0", Some(110011), None),
+    (unstable, async_fn_track_caller, "1.73.0", Some(110011)),
     /// Allows builtin # foo() syntax
-    (unstable, builtin_syntax, "1.71.0", Some(110680), None),
+    (unstable, builtin_syntax, "1.71.0", Some(110680)),
     /// Allows `c"foo"` literals.
-    (unstable, c_str_literals, "1.71.0", Some(105723), None),
+    (unstable, c_str_literals, "1.71.0", Some(105723)),
     /// Treat `extern "C"` function as nounwind.
-    (unstable, c_unwind, "1.52.0", Some(74990), None),
+    (unstable, c_unwind, "1.52.0", Some(74990)),
     /// Allows using C-variadics.
-    (unstable, c_variadic, "1.34.0", Some(44930), None),
+    (unstable, c_variadic, "1.34.0", Some(44930)),
     /// Allows the use of `#[cfg(overflow_checks)` to check if integer overflow behaviour.
-    (unstable, cfg_overflow_checks, "1.71.0", Some(111466), None),
+    (unstable, cfg_overflow_checks, "1.71.0", Some(111466)),
     /// Provides the relocation model information as cfg entry
-    (unstable, cfg_relocation_model, "1.73.0", Some(114929), None),
+    (unstable, cfg_relocation_model, "1.73.0", Some(114929)),
     /// Allows the use of `#[cfg(sanitize = "option")]`; set when -Zsanitizer is used.
-    (unstable, cfg_sanitize, "1.41.0", Some(39699), None),
+    (unstable, cfg_sanitize, "1.41.0", Some(39699)),
     /// Allows `cfg(target_abi = "...")`.
-    (unstable, cfg_target_abi, "1.55.0", Some(80970), None),
+    (unstable, cfg_target_abi, "1.55.0", Some(80970)),
     /// Allows `cfg(target(abi = "..."))`.
-    (unstable, cfg_target_compact, "1.63.0", Some(96901), None),
+    (unstable, cfg_target_compact, "1.63.0", Some(96901)),
     /// Allows `cfg(target_has_atomic_load_store = "...")`.
-    (unstable, cfg_target_has_atomic, "1.60.0", Some(94039), None),
+    (unstable, cfg_target_has_atomic, "1.60.0", Some(94039)),
     /// Allows `cfg(target_has_atomic_equal_alignment = "...")`.
-    (unstable, cfg_target_has_atomic_equal_alignment, "1.60.0", Some(93822), None),
+    (unstable, cfg_target_has_atomic_equal_alignment, "1.60.0", Some(93822)),
     /// Allows `cfg(target_thread_local)`.
-    (unstable, cfg_target_thread_local, "1.7.0", Some(29594), None),
+    (unstable, cfg_target_thread_local, "1.7.0", Some(29594)),
     /// Allow conditional compilation depending on rust version
-    (unstable, cfg_version, "1.45.0", Some(64796), None),
+    (unstable, cfg_version, "1.45.0", Some(64796)),
     /// Allows to use the `#[cfi_encoding = ""]` attribute.
-    (unstable, cfi_encoding, "1.71.0", Some(89653), None),
+    (unstable, cfi_encoding, "1.71.0", Some(89653)),
     /// Allows `for<...>` on closures and coroutines.
-    (unstable, closure_lifetime_binder, "1.64.0", Some(97362), None),
+    (unstable, closure_lifetime_binder, "1.64.0", Some(97362)),
     /// Allows `#[track_caller]` on closures and coroutines.
-    (unstable, closure_track_caller, "1.57.0", Some(87417), None),
+    (unstable, closure_track_caller, "1.57.0", Some(87417)),
     /// Allows to use the `#[cmse_nonsecure_entry]` attribute.
-    (unstable, cmse_nonsecure_entry, "1.48.0", Some(75835), None),
+    (unstable, cmse_nonsecure_entry, "1.48.0", Some(75835)),
     /// Allows use of the `#[collapse_debuginfo]` attribute.
-    (unstable, collapse_debuginfo, "1.65.0", Some(100758), None),
+    (unstable, collapse_debuginfo, "1.65.0", Some(100758)),
     /// Allows `async {}` expressions in const contexts.
-    (unstable, const_async_blocks, "1.53.0", Some(85368), None),
+    (unstable, const_async_blocks, "1.53.0", Some(85368)),
     /// Allows `const || {}` closures in const contexts.
-    (incomplete, const_closures, "1.68.0", Some(106003), None),
+    (incomplete, const_closures, "1.68.0", Some(106003)),
     /// Allows the definition of `const extern fn` and `const unsafe extern fn`.
-    (unstable, const_extern_fn, "1.40.0", Some(64926), None),
+    (unstable, const_extern_fn, "1.40.0", Some(64926)),
     /// Allows basic arithmetic on floating point types in a `const fn`.
-    (unstable, const_fn_floating_point_arithmetic, "1.48.0", Some(57241), None),
+    (unstable, const_fn_floating_point_arithmetic, "1.48.0", Some(57241)),
     /// Allows `for _ in _` loops in const contexts.
-    (unstable, const_for, "1.56.0", Some(87575), None),
+    (unstable, const_for, "1.56.0", Some(87575)),
     /// Allows using `&mut` in constant functions.
-    (unstable, const_mut_refs, "1.41.0", Some(57349), None),
+    (unstable, const_mut_refs, "1.41.0", Some(57349)),
     /// Be more precise when looking for live drops in a const context.
-    (unstable, const_precise_live_drops, "1.46.0", Some(73255), None),
+    (unstable, const_precise_live_drops, "1.46.0", Some(73255)),
     /// Allows references to types with interior mutability within constants
-    (unstable, const_refs_to_cell, "1.51.0", Some(80384), None),
+    (unstable, const_refs_to_cell, "1.51.0", Some(80384)),
     /// Allows `impl const Trait for T` syntax.
-    (unstable, const_trait_impl, "1.42.0", Some(67792), None),
+    (unstable, const_trait_impl, "1.42.0", Some(67792)),
     /// Allows the `?` operator in const contexts.
-    (unstable, const_try, "1.56.0", Some(74935), None),
+    (unstable, const_try, "1.56.0", Some(74935)),
     /// Allows coroutines to be cloned.
-    (unstable, coroutine_clone, "1.65.0", Some(95360), None),
+    (unstable, coroutine_clone, "1.65.0", Some(95360)),
     /// Allows defining coroutines.
-    (unstable, coroutines, "1.21.0", Some(43122), None),
+    (unstable, coroutines, "1.21.0", Some(43122)),
     /// Allows function attribute `#[coverage(on/off)]`, to control coverage
     /// instrumentation of that function.
-    (unstable, coverage_attribute, "1.74.0", Some(84605), None),
+    (unstable, coverage_attribute, "1.74.0", Some(84605)),
     /// Allows users to provide classes for fenced code block using `class:classname`.
-    (unstable, custom_code_classes_in_docs, "1.74.0", Some(79483), None),
+    (unstable, custom_code_classes_in_docs, "1.74.0", Some(79483)),
     /// Allows non-builtin attributes in inner attribute position.
-    (unstable, custom_inner_attributes, "1.30.0", Some(54726), None),
+    (unstable, custom_inner_attributes, "1.30.0", Some(54726)),
     /// Allows custom test frameworks with `#![test_runner]` and `#[test_case]`.
-    (unstable, custom_test_frameworks, "1.30.0", Some(50297), None),
+    (unstable, custom_test_frameworks, "1.30.0", Some(50297)),
     /// Allows declarative macros 2.0 (`macro`).
-    (unstable, decl_macro, "1.17.0", Some(39412), None),
+    (unstable, decl_macro, "1.17.0", Some(39412)),
     /// Allows default type parameters to influence type inference.
-    (unstable, default_type_parameter_fallback, "1.3.0", Some(27336), None),
+    (unstable, default_type_parameter_fallback, "1.3.0", Some(27336)),
     /// Allows using `#[deprecated_safe]` to deprecate the safeness of a function or trait
-    (unstable, deprecated_safe, "1.61.0", Some(94978), None),
+    (unstable, deprecated_safe, "1.61.0", Some(94978)),
     /// Allows having using `suggestion` in the `#[deprecated]` attribute.
-    (unstable, deprecated_suggestion, "1.61.0", Some(94785), None),
+    (unstable, deprecated_suggestion, "1.61.0", Some(94785)),
     /// Allows using the `#[diagnostic]` attribute tool namespace
-    (unstable, diagnostic_namespace, "1.73.0", Some(111996), None),
+    (unstable, diagnostic_namespace, "1.73.0", Some(111996)),
     /// Controls errors in trait implementations.
-    (unstable, do_not_recommend, "1.67.0", Some(51992), None),
+    (unstable, do_not_recommend, "1.67.0", Some(51992)),
     /// Tells rustdoc to automatically generate `#[doc(cfg(...))]`.
-    (unstable, doc_auto_cfg, "1.58.0", Some(43781), None),
+    (unstable, doc_auto_cfg, "1.58.0", Some(43781)),
     /// Allows `#[doc(cfg(...))]`.
-    (unstable, doc_cfg, "1.21.0", Some(43781), None),
+    (unstable, doc_cfg, "1.21.0", Some(43781)),
     /// Allows `#[doc(cfg_hide(...))]`.
-    (unstable, doc_cfg_hide, "1.57.0", Some(43781), None),
+    (unstable, doc_cfg_hide, "1.57.0", Some(43781)),
     /// Allows `#[doc(masked)]`.
-    (unstable, doc_masked, "1.21.0", Some(44027), None),
+    (unstable, doc_masked, "1.21.0", Some(44027)),
     /// Allows `dyn* Trait` objects.
-    (incomplete, dyn_star, "1.65.0", Some(102425), None),
+    (incomplete, dyn_star, "1.65.0", Some(102425)),
     // Uses generic effect parameters for ~const bounds
-    (unstable, effects, "1.72.0", Some(102090), None),
+    (unstable, effects, "1.72.0", Some(102090)),
     /// Allows `X..Y` patterns.
-    (unstable, exclusive_range_pattern, "1.11.0", Some(37854), None),
+    (unstable, exclusive_range_pattern, "1.11.0", Some(37854)),
     /// Allows exhaustive pattern matching on types that contain uninhabited types.
-    (unstable, exhaustive_patterns, "1.13.0", Some(51085), None),
+    (unstable, exhaustive_patterns, "1.13.0", Some(51085)),
     /// Allows explicit tail calls via `become` expression.
-    (incomplete, explicit_tail_calls, "1.72.0", Some(112788), None),
+    (incomplete, explicit_tail_calls, "1.72.0", Some(112788)),
     /// Allows using `efiapi`, `sysv64` and `win64` as calling convention
     /// for functions with varargs.
-    (unstable, extended_varargs_abi_support, "1.65.0", Some(100189), None),
+    (unstable, extended_varargs_abi_support, "1.65.0", Some(100189)),
     /// Allows defining `extern type`s.
-    (unstable, extern_types, "1.23.0", Some(43467), None),
+    (unstable, extern_types, "1.23.0", Some(43467)),
     /// Allows the use of `#[ffi_const]` on foreign functions.
-    (unstable, ffi_const, "1.45.0", Some(58328), None),
+    (unstable, ffi_const, "1.45.0", Some(58328)),
     /// Allows the use of `#[ffi_pure]` on foreign functions.
-    (unstable, ffi_pure, "1.45.0", Some(58329), None),
+    (unstable, ffi_pure, "1.45.0", Some(58329)),
     /// Allows using `#[ffi_returns_twice]` on foreign functions.
-    (unstable, ffi_returns_twice, "1.34.0", Some(58314), None),
+    (unstable, ffi_returns_twice, "1.34.0", Some(58314)),
     /// Allows using `#[repr(align(...))]` on function items
-    (unstable, fn_align, "1.53.0", Some(82232), None),
+    (unstable, fn_align, "1.53.0", Some(82232)),
+    /// Support delegating implementation of functions to other already implemented functions.
+    (incomplete, fn_delegation, "1.76.0", Some(118212)),
     /// Allows defining gen blocks and `gen fn`.
-    (unstable, gen_blocks, "1.75.0", Some(117078), None),
+    (unstable, gen_blocks, "1.75.0", Some(117078)),
     /// Infer generic args for both consts and types.
-    (unstable, generic_arg_infer, "1.55.0", Some(85077), None),
+    (unstable, generic_arg_infer, "1.55.0", Some(85077)),
     /// An extension to the `generic_associated_types` feature, allowing incomplete features.
-    (incomplete, generic_associated_types_extended, "1.61.0", Some(95451), None),
+    (incomplete, generic_associated_types_extended, "1.61.0", Some(95451)),
     /// Allows non-trivial generic constants which have to have wfness manually propagated to callers
-    (incomplete, generic_const_exprs, "1.56.0", Some(76560), None),
+    (incomplete, generic_const_exprs, "1.56.0", Some(76560)),
     /// Allows generic parameters and where-clauses on free & associated const items.
-    (incomplete, generic_const_items, "1.73.0", Some(113521), None),
+    (incomplete, generic_const_items, "1.73.0", Some(113521)),
     /// Allows using `..=X` as a patterns in slices.
-    (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264), None),
+    (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)),
     /// Allows `if let` guard in match arms.
-    (unstable, if_let_guard, "1.47.0", Some(51114), None),
+    (unstable, if_let_guard, "1.47.0", Some(51114)),
     /// Allows `impl Trait` to be used inside associated types (RFC 2515).
-    (unstable, impl_trait_in_assoc_type, "1.70.0", Some(63063), None),
+    (unstable, impl_trait_in_assoc_type, "1.70.0", Some(63063)),
     /// Allows `impl Trait` as output type in `Fn` traits in return position of functions.
-    (unstable, impl_trait_in_fn_trait_return, "1.64.0", Some(99697), None),
+    (unstable, impl_trait_in_fn_trait_return, "1.64.0", Some(99697)),
     /// Allows using imported `main` function
-    (unstable, imported_main, "1.53.0", Some(28937), None),
+    (unstable, imported_main, "1.53.0", Some(28937)),
     /// Allows associated types in inherent impls.
-    (incomplete, inherent_associated_types, "1.52.0", Some(8995), None),
+    (incomplete, inherent_associated_types, "1.52.0", Some(8995)),
     /// Allow anonymous constants from an inline `const` block
-    (unstable, inline_const, "1.49.0", Some(76001), None),
+    (unstable, inline_const, "1.49.0", Some(76001)),
     /// Allow anonymous constants from an inline `const` block in pattern position
-    (incomplete, inline_const_pat, "1.58.0", Some(76001), None),
+    (incomplete, inline_const_pat, "1.58.0", Some(76001)),
     /// Allows using `pointer` and `reference` in intra-doc links
-    (unstable, intra_doc_pointers, "1.51.0", Some(80896), None),
+    (unstable, intra_doc_pointers, "1.51.0", Some(80896)),
     // Allows setting the threshold for the `large_assignments` lint.
-    (unstable, large_assignments, "1.52.0", Some(83518), None),
+    (unstable, large_assignments, "1.52.0", Some(83518)),
     /// Allow to have type alias types for inter-crate use.
-    (incomplete, lazy_type_alias, "1.72.0", Some(112792), None),
+    (incomplete, lazy_type_alias, "1.72.0", Some(112792)),
     /// Allows `if/while p && let q = r && ...` chains.
-    (unstable, let_chains, "1.37.0", Some(53667), None),
+    (unstable, let_chains, "1.37.0", Some(53667)),
+    /// Allows using `#[link(kind = "link-arg", name = "...")]`
+    /// to pass custom arguments to the linker.
+    (unstable, link_arg_attribute, "1.76.0", Some(99427)),
     /// Allows using `reason` in lint attributes and the `#[expect(lint)]` lint check.
-    (unstable, lint_reasons, "1.31.0", Some(54503), None),
+    (unstable, lint_reasons, "1.31.0", Some(54503)),
     /// Give access to additional metadata about declarative macro meta-variables.
-    (unstable, macro_metavar_expr, "1.61.0", Some(83527), None),
+    (unstable, macro_metavar_expr, "1.61.0", Some(83527)),
     /// Allows `#[marker]` on certain traits allowing overlapping implementations.
-    (unstable, marker_trait_attr, "1.30.0", Some(29864), None),
+    (unstable, marker_trait_attr, "1.30.0", Some(29864)),
     /// A minimal, sound subset of specialization intended to be used by the
     /// standard library until the soundness issues with specialization
     /// are fixed.
-    (unstable, min_specialization, "1.7.0", Some(31844), None),
+    (unstable, min_specialization, "1.7.0", Some(31844)),
     /// Allows qualified paths in struct expressions, struct patterns and tuple struct patterns.
-    (unstable, more_qualified_paths, "1.54.0", Some(86935), None),
+    (unstable, more_qualified_paths, "1.54.0", Some(86935)),
     /// Allows the `#[must_not_suspend]` attribute.
-    (unstable, must_not_suspend, "1.57.0", Some(83310), None),
+    (unstable, must_not_suspend, "1.57.0", Some(83310)),
     /// Allows using `#[naked]` on functions.
-    (unstable, naked_functions, "1.9.0", Some(32408), None),
+    (unstable, naked_functions, "1.9.0", Some(32408)),
     /// Allows specifying the as-needed link modifier
-    (unstable, native_link_modifiers_as_needed, "1.53.0", Some(81490), None),
+    (unstable, native_link_modifiers_as_needed, "1.53.0", Some(81490)),
     /// Allow negative trait implementations.
-    (unstable, negative_impls, "1.44.0", Some(68318), None),
+    (unstable, negative_impls, "1.44.0", Some(68318)),
+    /// Allows the `!` pattern.
+    (incomplete, never_patterns, "1.76.0", Some(118155)),
     /// Allows the `!` type. Does not imply 'exhaustive_patterns' (below) any more.
-    (unstable, never_type, "1.13.0", Some(35121), None),
+    (unstable, never_type, "1.13.0", Some(35121)),
     /// Allows diverging expressions to fall back to `!` rather than `()`.
-    (unstable, never_type_fallback, "1.41.0", Some(65992), None),
+    (unstable, never_type_fallback, "1.41.0", Some(65992)),
     /// Allows `#![no_core]`.
-    (unstable, no_core, "1.3.0", Some(29639), None),
+    (unstable, no_core, "1.3.0", Some(29639)),
     /// Allows the use of `no_sanitize` attribute.
-    (unstable, no_sanitize, "1.42.0", Some(39699), None),
+    (unstable, no_sanitize, "1.42.0", Some(39699)),
     /// Allows using the `non_exhaustive_omitted_patterns` lint.
-    (unstable, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554), None),
+    (unstable, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554)),
     /// Allows `for<T>` binders in where-clauses
-    (incomplete, non_lifetime_binders, "1.69.0", Some(108185), None),
+    (incomplete, non_lifetime_binders, "1.69.0", Some(108185)),
     /// Allows making `dyn Trait` well-formed even if `Trait` is not object safe.
     /// In that case, `dyn Trait: Trait` does not hold. Moreover, coercions and
     /// casts in safe Rust to `dyn Trait` for such a `Trait` is also forbidden.
-    (unstable, object_safe_for_dispatch, "1.40.0", Some(43561), None),
+    (unstable, object_safe_for_dispatch, "1.40.0", Some(43561)),
     /// Allows using enums in offset_of!
-    (unstable, offset_of_enum, "1.75.0", Some(106655), None),
+    (unstable, offset_of_enum, "1.75.0", Some(106655)),
     /// Allows using `#[optimize(X)]`.
-    (unstable, optimize_attribute, "1.34.0", Some(54882), None),
-    /// Allows exhaustive integer pattern matching on `usize` and `isize`.
-    (unstable, precise_pointer_size_matching, "1.32.0", Some(56354), None),
+    (unstable, optimize_attribute, "1.34.0", Some(54882)),
     /// Allows macro attributes on expressions, statements and non-inline modules.
-    (unstable, proc_macro_hygiene, "1.30.0", Some(54727), None),
+    (unstable, proc_macro_hygiene, "1.30.0", Some(54727)),
     /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions.
-    (unstable, raw_ref_op, "1.41.0", Some(64490), None),
+    (unstable, raw_ref_op, "1.41.0", Some(64490)),
     /// Allows using the `#[register_tool]` attribute.
-    (unstable, register_tool, "1.41.0", Some(66079), None),
+    (unstable, register_tool, "1.41.0", Some(66079)),
     /// Allows the `#[repr(i128)]` attribute for enums.
-    (incomplete, repr128, "1.16.0", Some(56071), None),
+    (incomplete, repr128, "1.16.0", Some(56071)),
     /// Allows `repr(simd)` and importing the various simd intrinsics.
-    (unstable, repr_simd, "1.4.0", Some(27731), None),
+    (unstable, repr_simd, "1.4.0", Some(27731)),
     /// Allows bounding the return type of AFIT/RPITIT.
-    (incomplete, return_type_notation, "1.70.0", Some(109417), None),
+    (incomplete, return_type_notation, "1.70.0", Some(109417)),
     /// Allows `extern "rust-cold"`.
-    (unstable, rust_cold_cc, "1.63.0", Some(97544), None),
+    (unstable, rust_cold_cc, "1.63.0", Some(97544)),
     /// Allows the use of SIMD types in functions declared in `extern` blocks.
-    (unstable, simd_ffi, "1.0.0", Some(27731), None),
+    (unstable, simd_ffi, "1.0.0", Some(27731)),
     /// Allows specialization of implementations (RFC 1210).
-    (incomplete, specialization, "1.7.0", Some(31844), None),
+    (incomplete, specialization, "1.7.0", Some(31844)),
     /// Allows attributes on expressions and non-item statements.
-    (unstable, stmt_expr_attributes, "1.6.0", Some(15701), None),
+    (unstable, stmt_expr_attributes, "1.6.0", Some(15701)),
     /// Allows lints part of the strict provenance effort.
-    (unstable, strict_provenance, "1.61.0", Some(95228), None),
+    (unstable, strict_provenance, "1.61.0", Some(95228)),
     /// Allows string patterns to dereference values to match them.
-    (unstable, string_deref_patterns, "1.67.0", Some(87121), None),
+    (unstable, string_deref_patterns, "1.67.0", Some(87121)),
     /// Allows the use of `#[target_feature]` on safe functions.
-    (unstable, target_feature_11, "1.45.0", Some(69098), None),
+    (unstable, target_feature_11, "1.45.0", Some(69098)),
     /// Allows using `#[thread_local]` on `static` items.
-    (unstable, thread_local, "1.0.0", Some(29594), None),
+    (unstable, thread_local, "1.0.0", Some(29594)),
     /// Allows defining `trait X = A + B;` alias items.
-    (unstable, trait_alias, "1.24.0", Some(41517), None),
+    (unstable, trait_alias, "1.24.0", Some(41517)),
     /// Allows dyn upcasting trait objects via supertraits.
     /// Dyn upcasting is casting, e.g., `dyn Foo -> dyn Bar` where `Foo: Bar`.
-    (unstable, trait_upcasting, "1.56.0", Some(65991), None),
+    (unstable, trait_upcasting, "1.56.0", Some(65991)),
     /// Allows for transmuting between arrays with sizes that contain generic consts.
-    (unstable, transmute_generic_consts, "1.70.0", Some(109929), None),
+    (unstable, transmute_generic_consts, "1.70.0", Some(109929)),
     /// Allows #[repr(transparent)] on unions (RFC 2645).
-    (unstable, transparent_unions, "1.37.0", Some(60405), None),
+    (unstable, transparent_unions, "1.37.0", Some(60405)),
     /// Allows inconsistent bounds in where clauses.
-    (unstable, trivial_bounds, "1.28.0", Some(48214), None),
+    (unstable, trivial_bounds, "1.28.0", Some(48214)),
     /// Allows using `try {...}` expressions.
-    (unstable, try_blocks, "1.29.0", Some(31436), None),
+    (unstable, try_blocks, "1.29.0", Some(31436)),
     /// Allows `impl Trait` to be used inside type aliases (RFC 2515).
-    (unstable, type_alias_impl_trait, "1.38.0", Some(63063), None),
+    (unstable, type_alias_impl_trait, "1.38.0", Some(63063)),
     /// Allows the use of type ascription in expressions.
-    (unstable, type_ascription, "1.6.0", Some(23416), None),
+    (unstable, type_ascription, "1.6.0", Some(23416)),
     /// Allows creation of instances of a struct by moving fields that have
     /// not changed from prior instances of the same struct (RFC #2528)
-    (unstable, type_changing_struct_update, "1.58.0", Some(86555), None),
+    (unstable, type_changing_struct_update, "1.58.0", Some(86555)),
     /// Allows using type privacy lints (`private_interfaces`, `private_bounds`, `unnameable_types`).
-    (unstable, type_privacy_lints, "1.72.0", Some(48054), None),
+    (unstable, type_privacy_lints, "1.72.0", Some(48054)),
     /// Enables rustc to generate code that instructs libstd to NOT ignore SIGPIPE.
-    (unstable, unix_sigpipe, "1.65.0", Some(97889), None),
+    (unstable, unix_sigpipe, "1.65.0", Some(97889)),
     /// Allows unnamed fields of struct and union type
-    (incomplete, unnamed_fields, "1.74.0", Some(49804), None),
+    (incomplete, unnamed_fields, "1.74.0", Some(49804)),
     /// Allows unsized fn parameters.
-    (unstable, unsized_fn_params, "1.49.0", Some(48055), None),
+    (unstable, unsized_fn_params, "1.49.0", Some(48055)),
     /// Allows unsized rvalues at arguments and parameters.
-    (incomplete, unsized_locals, "1.30.0", Some(48055), None),
+    (incomplete, unsized_locals, "1.30.0", Some(48055)),
     /// Allows unsized tuple coercion.
-    (unstable, unsized_tuple_coercion, "1.20.0", Some(42877), None),
+    (unstable, unsized_tuple_coercion, "1.20.0", Some(42877)),
     /// Allows using the `#[used(linker)]` (or `#[used(compiler)]`) attribute.
-    (unstable, used_with_arg, "1.60.0", Some(93798), None),
+    (unstable, used_with_arg, "1.60.0", Some(93798)),
     /// Allows `extern "wasm" fn`
-    (unstable, wasm_abi, "1.53.0", Some(83788), None),
+    (unstable, wasm_abi, "1.53.0", Some(83788)),
     /// Allows `do yeet` expressions
-    (unstable, yeet_expr, "1.62.0", Some(96373), None),
+    (unstable, yeet_expr, "1.62.0", Some(96373)),
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!
     // Features are listed in alphabetical order. Tidy will fail if you don't keep it this way.
     // !!!!    !!!!    !!!!    !!!!   !!!!    !!!!    !!!!    !!!!    !!!!    !!!!    !!!!