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-rw-r--r--Cargo.lock21
-rw-r--r--compiler/rustc_attr_parsing/src/lib.rs4
-rw-r--r--compiler/rustc_builtin_macros/Cargo.toml1
-rw-r--r--compiler/rustc_builtin_macros/src/deriving/generic/mod.rs3
-rw-r--r--compiler/rustc_codegen_gcc/src/attributes.rs4
-rw-r--r--compiler/rustc_codegen_gcc/src/callee.rs2
-rw-r--r--compiler/rustc_codegen_gcc/src/lib.rs2
-rw-r--r--compiler/rustc_codegen_llvm/Cargo.toml2
-rw-r--r--compiler/rustc_codegen_llvm/src/attributes.rs2
-rw-r--r--compiler/rustc_codegen_llvm/src/callee.rs2
-rw-r--r--compiler/rustc_codegen_ssa/Cargo.toml1
-rw-r--r--compiler/rustc_codegen_ssa/src/back/symbol_export.rs2
-rw-r--r--compiler/rustc_codegen_ssa/src/base.rs2
-rw-r--r--compiler/rustc_codegen_ssa/src/codegen_attrs.rs4
-rw-r--r--compiler/rustc_codegen_ssa/src/mir/naked_asm.rs2
-rw-r--r--compiler/rustc_codegen_ssa/src/target_features.rs2
-rw-r--r--compiler/rustc_const_eval/Cargo.toml2
-rw-r--r--compiler/rustc_const_eval/src/check_consts/check.rs17
-rw-r--r--compiler/rustc_const_eval/src/check_consts/mod.rs5
-rw-r--r--compiler/rustc_expand/Cargo.toml1
-rw-r--r--compiler/rustc_expand/src/base.rs2
-rw-r--r--compiler/rustc_expand/src/mbe/macro_rules.rs2
-rw-r--r--compiler/rustc_hir_analysis/Cargo.toml2
-rw-r--r--compiler/rustc_hir_analysis/src/check/check.rs11
-rw-r--r--compiler/rustc_hir_typeck/Cargo.toml2
-rw-r--r--compiler/rustc_hir_typeck/src/coercion.rs2
-rw-r--r--compiler/rustc_hir_typeck/src/method/suggest.rs2
-rw-r--r--compiler/rustc_lint/Cargo.toml1
-rw-r--r--compiler/rustc_lint/src/nonstandard_style.rs3
-rw-r--r--compiler/rustc_lint/src/types/literal.rs12
-rw-r--r--compiler/rustc_metadata/Cargo.toml1
-rw-r--r--compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs2
-rw-r--r--compiler/rustc_metadata/src/rmeta/mod.rs12
-rw-r--r--compiler/rustc_middle/src/middle/stability.rs8
-rw-r--r--compiler/rustc_mir_transform/Cargo.toml2
-rw-r--r--compiler/rustc_mir_transform/src/check_inline.rs2
-rw-r--r--compiler/rustc_mir_transform/src/cross_crate_inline.rs2
-rw-r--r--compiler/rustc_mir_transform/src/inline.rs2
-rw-r--r--compiler/rustc_mir_transform/src/validate.rs2
-rw-r--r--compiler/rustc_monomorphize/Cargo.toml2
-rw-r--r--compiler/rustc_monomorphize/src/collector.rs2
-rw-r--r--compiler/rustc_monomorphize/src/partitioning.rs7
-rw-r--r--compiler/rustc_passes/Cargo.toml2
-rw-r--r--compiler/rustc_passes/src/check_attr.rs2
-rw-r--r--compiler/rustc_passes/src/lib_features.rs2
-rw-r--r--compiler/rustc_passes/src/stability.rs24
-rw-r--r--compiler/rustc_privacy/Cargo.toml2
-rw-r--r--compiler/rustc_privacy/src/lib.rs5
-rw-r--r--compiler/rustc_resolve/src/macros.rs2
-rw-r--r--src/librustdoc/clean/types.rs14
-rw-r--r--src/librustdoc/formats/cache.rs2
-rw-r--r--src/librustdoc/html/format.rs2
-rw-r--r--src/librustdoc/html/render/mod.rs2
-rw-r--r--src/librustdoc/json/conversions.rs6
-rw-r--r--src/librustdoc/lib.rs1
-rw-r--r--src/librustdoc/passes/propagate_stability.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/approx_const.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/booleans.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/default_union_representation.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/format_args.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/incompatible_msrv.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/lib.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/std_instead_of_core.rs2
-rw-r--r--src/tools/clippy/clippy_lints_internal/src/lib.rs1
-rw-r--r--src/tools/clippy/clippy_utils/src/lib.rs3
-rw-r--r--src/tools/clippy/clippy_utils/src/msrvs.rs3
-rw-r--r--src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs4
-rw-r--r--src/tools/miri/src/lib.rs2
-rw-r--r--src/tools/miri/src/machine.rs2
72 files changed, 142 insertions, 125 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 59f7f3dda8f..e2b7b58c372 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3390,6 +3390,7 @@ version = "0.0.0"
 dependencies = [
  "rustc_ast",
  "rustc_ast_pretty",
+ "rustc_attr_data_structures",
  "rustc_attr_parsing",
  "rustc_data_structures",
  "rustc_errors",
@@ -3424,7 +3425,7 @@ dependencies = [
  "rustc-demangle",
  "rustc_abi",
  "rustc_ast",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_codegen_ssa",
  "rustc_data_structures",
  "rustc_errors",
@@ -3467,6 +3468,7 @@ dependencies = [
  "rustc_abi",
  "rustc_arena",
  "rustc_ast",
+ "rustc_attr_data_structures",
  "rustc_attr_parsing",
  "rustc_data_structures",
  "rustc_errors",
@@ -3504,7 +3506,7 @@ dependencies = [
  "rustc_abi",
  "rustc_apfloat",
  "rustc_ast",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fluent_macro",
@@ -3680,6 +3682,7 @@ dependencies = [
  "rustc_ast",
  "rustc_ast_passes",
  "rustc_ast_pretty",
+ "rustc_attr_data_structures",
  "rustc_attr_parsing",
  "rustc_data_structures",
  "rustc_errors",
@@ -3768,7 +3771,7 @@ dependencies = [
  "rustc_abi",
  "rustc_arena",
  "rustc_ast",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_feature",
@@ -3805,7 +3808,7 @@ dependencies = [
  "itertools",
  "rustc_abi",
  "rustc_ast",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fluent_macro",
@@ -3950,6 +3953,7 @@ dependencies = [
  "rustc_abi",
  "rustc_ast",
  "rustc_ast_pretty",
+ "rustc_attr_data_structures",
  "rustc_attr_parsing",
  "rustc_data_structures",
  "rustc_errors",
@@ -4023,6 +4027,7 @@ dependencies = [
  "odht",
  "rustc_abi",
  "rustc_ast",
+ "rustc_attr_data_structures",
  "rustc_attr_parsing",
  "rustc_data_structures",
  "rustc_errors",
@@ -4136,7 +4141,7 @@ dependencies = [
  "rustc_abi",
  "rustc_arena",
  "rustc_ast",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_const_eval",
  "rustc_data_structures",
  "rustc_errors",
@@ -4162,7 +4167,7 @@ version = "0.0.0"
 dependencies = [
  "rustc_abi",
  "rustc_ast",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fluent_macro",
@@ -4232,7 +4237,7 @@ dependencies = [
  "rustc_ast",
  "rustc_ast_lowering",
  "rustc_ast_pretty",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_expand",
@@ -4278,7 +4283,7 @@ name = "rustc_privacy"
 version = "0.0.0"
 dependencies = [
  "rustc_ast",
- "rustc_attr_parsing",
+ "rustc_attr_data_structures",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fluent_macro",
diff --git a/compiler/rustc_attr_parsing/src/lib.rs b/compiler/rustc_attr_parsing/src/lib.rs
index 177df356742..da683ad58c1 100644
--- a/compiler/rustc_attr_parsing/src/lib.rs
+++ b/compiler/rustc_attr_parsing/src/lib.rs
@@ -60,7 +60,8 @@
 //! `#[stable(...)]` and `#[unstable()]` cannot occur together, and both semantically define
 //! a "stability" of an item. So, the stability attribute has an
 //! [`AttributeParser`](attributes::AttributeParser) that recognizes both the `#[stable()]`
-//! and `#[unstable()]` syntactic attributes, and at the end produce a single [`AttributeKind::Stability`].
+//! and `#[unstable()]` syntactic attributes, and at the end produce a single
+//! [`AttributeKind::Stability`](rustc_attr_data_structures::AttributeKind::Stability).
 //!
 //! As a rule of thumb, when a syntactical attribute can be applied more than once, they should be
 //! combined into a single semantic attribute. For example:
@@ -91,6 +92,5 @@ mod session_diagnostics;
 pub use attributes::cfg::*;
 pub use attributes::util::{find_crate_name, is_builtin_attr, parse_version};
 pub use context::{AttributeParser, OmitDoc};
-pub use rustc_attr_data_structures::*;
 
 rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
diff --git a/compiler/rustc_builtin_macros/Cargo.toml b/compiler/rustc_builtin_macros/Cargo.toml
index 1289d21308b..5c1ae90f729 100644
--- a/compiler/rustc_builtin_macros/Cargo.toml
+++ b/compiler/rustc_builtin_macros/Cargo.toml
@@ -10,6 +10,7 @@ doctest = false
 # tidy-alphabetical-start
 rustc_ast = { path = "../rustc_ast" }
 rustc_ast_pretty = { path = "../rustc_ast_pretty" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_attr_parsing = { path = "../rustc_attr_parsing" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
index d9aac54ee73..9aa53f9e4f7 100644
--- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
+++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
@@ -185,7 +185,8 @@ use rustc_ast::{
     self as ast, AnonConst, BindingMode, ByRef, EnumDef, Expr, GenericArg, GenericParamKind,
     Generics, Mutability, PatKind, VariantData,
 };
-use rustc_attr_parsing::{AttributeKind, AttributeParser, ReprPacked};
+use rustc_attr_data_structures::{AttributeKind, ReprPacked};
+use rustc_attr_parsing::AttributeParser;
 use rustc_expand::base::{Annotatable, ExtCtxt};
 use rustc_hir::Attribute;
 use rustc_span::{DUMMY_SP, Ident, Span, Symbol, kw, sym};
diff --git a/compiler/rustc_codegen_gcc/src/attributes.rs b/compiler/rustc_codegen_gcc/src/attributes.rs
index e63091c6082..c853c88a6ea 100644
--- a/compiler/rustc_codegen_gcc/src/attributes.rs
+++ b/compiler/rustc_codegen_gcc/src/attributes.rs
@@ -2,8 +2,8 @@
 use gccjit::FnAttribute;
 use gccjit::Function;
 #[cfg(feature = "master")]
-use rustc_attr_parsing::InlineAttr;
-use rustc_attr_parsing::InstructionSetAttr;
+use rustc_attr_data_structures::InlineAttr;
+use rustc_attr_data_structures::InstructionSetAttr;
 #[cfg(feature = "master")]
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 #[cfg(feature = "master")]
diff --git a/compiler/rustc_codegen_gcc/src/callee.rs b/compiler/rustc_codegen_gcc/src/callee.rs
index c133ae4fcdd..c8130b7c010 100644
--- a/compiler/rustc_codegen_gcc/src/callee.rs
+++ b/compiler/rustc_codegen_gcc/src/callee.rs
@@ -106,7 +106,7 @@ pub fn get_fn<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, instance: Instance<'tcx>)
                 // This is a monomorphization of a generic function.
                 if !(cx.tcx.sess.opts.share_generics()
                     || tcx.codegen_fn_attrs(instance_def_id).inline
-                        == rustc_attr_parsing::InlineAttr::Never)
+                        == rustc_attr_data_structures::InlineAttr::Never)
                 {
                     // When not sharing generics, all instances are in the same
                     // crate and have hidden visibility.
diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs
index 6e2a50d745a..6994c385fc8 100644
--- a/compiler/rustc_codegen_gcc/src/lib.rs
+++ b/compiler/rustc_codegen_gcc/src/lib.rs
@@ -37,7 +37,7 @@ extern crate tracing;
 extern crate rustc_abi;
 extern crate rustc_apfloat;
 extern crate rustc_ast;
-extern crate rustc_attr_parsing;
+extern crate rustc_attr_data_structures;
 extern crate rustc_codegen_ssa;
 extern crate rustc_data_structures;
 extern crate rustc_errors;
diff --git a/compiler/rustc_codegen_llvm/Cargo.toml b/compiler/rustc_codegen_llvm/Cargo.toml
index 3185993c207..bf8ec8c3b91 100644
--- a/compiler/rustc_codegen_llvm/Cargo.toml
+++ b/compiler/rustc_codegen_llvm/Cargo.toml
@@ -19,7 +19,7 @@ object = { version = "0.36.3", default-features = false, features = ["std", "rea
 rustc-demangle = "0.1.21"
 rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_codegen_ssa = { path = "../rustc_codegen_ssa" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs
index 176fb72dfdc..443c2eace55 100644
--- a/compiler/rustc_codegen_llvm/src/attributes.rs
+++ b/compiler/rustc_codegen_llvm/src/attributes.rs
@@ -1,5 +1,5 @@
 //! Set and unset common attributes on LLVM values.
-use rustc_attr_parsing::{InlineAttr, InstructionSetAttr, OptimizeAttr};
+use rustc_attr_data_structures::{InlineAttr, InstructionSetAttr, OptimizeAttr};
 use rustc_codegen_ssa::traits::*;
 use rustc_hir::def_id::DefId;
 use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, PatchableFunctionEntry};
diff --git a/compiler/rustc_codegen_llvm/src/callee.rs b/compiler/rustc_codegen_llvm/src/callee.rs
index ea9ab5c02bd..6d68eca60af 100644
--- a/compiler/rustc_codegen_llvm/src/callee.rs
+++ b/compiler/rustc_codegen_llvm/src/callee.rs
@@ -103,7 +103,7 @@ pub(crate) fn get_fn<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'t
             // This is a monomorphization of a generic function.
             if !(cx.tcx.sess.opts.share_generics()
                 || tcx.codegen_fn_attrs(instance_def_id).inline
-                    == rustc_attr_parsing::InlineAttr::Never)
+                    == rustc_attr_data_structures::InlineAttr::Never)
             {
                 // When not sharing generics, all instances are in the same
                 // crate and have hidden visibility.
diff --git a/compiler/rustc_codegen_ssa/Cargo.toml b/compiler/rustc_codegen_ssa/Cargo.toml
index d4c8ab80a33..337c6944177 100644
--- a/compiler/rustc_codegen_ssa/Cargo.toml
+++ b/compiler/rustc_codegen_ssa/Cargo.toml
@@ -19,6 +19,7 @@ regex = "1.4"
 rustc_abi = { path = "../rustc_abi" }
 rustc_arena = { path = "../rustc_arena" }
 rustc_ast = { path = "../rustc_ast" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_attr_parsing = { path = "../rustc_attr_parsing" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
index 5f0a0cf922a..96aec9769d2 100644
--- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
+++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
@@ -370,7 +370,7 @@ fn exported_symbols_provider_local<'tcx>(
 
             if !tcx.sess.opts.share_generics() {
                 if tcx.codegen_fn_attrs(mono_item.def_id()).inline
-                    == rustc_attr_parsing::InlineAttr::Never
+                    == rustc_attr_data_structures::InlineAttr::Never
                 {
                     // this is OK, we explicitly allow sharing inline(never) across crates even
                     // without share-generics.
diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs
index 775ab9071e7..1890119dca7 100644
--- a/compiler/rustc_codegen_ssa/src/base.rs
+++ b/compiler/rustc_codegen_ssa/src/base.rs
@@ -7,7 +7,7 @@ use itertools::Itertools;
 use rustc_abi::FIRST_VARIANT;
 use rustc_ast as ast;
 use rustc_ast::expand::allocator::{ALLOCATOR_METHODS, AllocatorKind, global_fn_name};
-use rustc_attr_parsing::OptimizeAttr;
+use rustc_attr_data_structures::OptimizeAttr;
 use rustc_data_structures::fx::{FxHashMap, FxIndexSet};
 use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry};
 use rustc_data_structures::sync::{IntoDynSyncSend, par_map};
diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
index 835ffb7d4fc..aa55a0e0f14 100644
--- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
+++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
@@ -3,8 +3,8 @@ use std::str::FromStr;
 use rustc_abi::ExternAbi;
 use rustc_ast::expand::autodiff_attrs::{AutoDiffAttrs, DiffActivity, DiffMode};
 use rustc_ast::{LitKind, MetaItem, MetaItemInner, attr};
-use rustc_attr_parsing::ReprAttr::ReprAlign;
-use rustc_attr_parsing::{AttributeKind, InlineAttr, InstructionSetAttr, OptimizeAttr};
+use rustc_attr_data_structures::ReprAttr::ReprAlign;
+use rustc_attr_data_structures::{AttributeKind, InlineAttr, InstructionSetAttr, OptimizeAttr};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::{DefId, LOCAL_CRATE, LocalDefId};
diff --git a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
index d2a687359e0..46fb9a89513 100644
--- a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
@@ -1,5 +1,5 @@
 use rustc_abi::{BackendRepr, Float, Integer, Primitive, RegKind};
-use rustc_attr_parsing::InstructionSetAttr;
+use rustc_attr_data_structures::InstructionSetAttr;
 use rustc_hir::def_id::DefId;
 use rustc_middle::mir::mono::{Linkage, MonoItemData, Visibility};
 use rustc_middle::mir::{InlineAsmOperand, START_BLOCK};
diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs
index 8058cd1b178..3ecea522837 100644
--- a/compiler/rustc_codegen_ssa/src/target_features.rs
+++ b/compiler/rustc_codegen_ssa/src/target_features.rs
@@ -1,4 +1,4 @@
-use rustc_attr_parsing::InstructionSetAttr;
+use rustc_attr_data_structures::InstructionSetAttr;
 use rustc_data_structures::fx::FxIndexSet;
 use rustc_data_structures::unord::{UnordMap, UnordSet};
 use rustc_errors::Applicability;
diff --git a/compiler/rustc_const_eval/Cargo.toml b/compiler/rustc_const_eval/Cargo.toml
index 02be8762d6f..93d0d5b9a71 100644
--- a/compiler/rustc_const_eval/Cargo.toml
+++ b/compiler/rustc_const_eval/Cargo.toml
@@ -9,7 +9,7 @@ either = "1"
 rustc_abi = { path = "../rustc_abi" }
 rustc_apfloat = "0.2.0"
 rustc_ast = { path = "../rustc_ast" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_fluent_macro = { path = "../rustc_fluent_macro" }
diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs
index b600b8918dd..b67a3ce03a9 100644
--- a/compiler/rustc_const_eval/src/check_consts/check.rs
+++ b/compiler/rustc_const_eval/src/check_consts/check.rs
@@ -6,7 +6,7 @@ use std::mem;
 use std::num::NonZero;
 use std::ops::Deref;
 
-use rustc_attr_parsing::{ConstStability, StabilityLevel};
+use rustc_attr_data_structures as attrs;
 use rustc_errors::{Diag, ErrorGuaranteed};
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::DefId;
@@ -475,7 +475,7 @@ impl<'mir, 'tcx> Checker<'mir, 'tcx> {
     /// Check the const stability of the given item (fn or trait).
     fn check_callee_stability(&mut self, def_id: DefId) {
         match self.tcx.lookup_const_stability(def_id) {
-            Some(ConstStability { level: StabilityLevel::Stable { .. }, .. }) => {
+            Some(attrs::ConstStability { level: attrs::StabilityLevel::Stable { .. }, .. }) => {
                 // All good.
             }
             None => {
@@ -491,8 +491,8 @@ impl<'mir, 'tcx> Checker<'mir, 'tcx> {
                     });
                 }
             }
-            Some(ConstStability {
-                level: StabilityLevel::Unstable { implied_by: implied_feature, issue, .. },
+            Some(attrs::ConstStability {
+                level: attrs::StabilityLevel::Unstable { implied_by: implied_feature, issue, .. },
                 feature,
                 ..
             }) => {
@@ -918,8 +918,8 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> {
                                 });
                             }
                         }
-                        Some(ConstStability {
-                            level: StabilityLevel::Unstable { .. },
+                        Some(attrs::ConstStability {
+                            level: attrs::StabilityLevel::Unstable { .. },
                             feature,
                             ..
                         }) => {
@@ -930,7 +930,10 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> {
                                 suggestion: self.crate_inject_span(),
                             });
                         }
-                        Some(ConstStability { level: StabilityLevel::Stable { .. }, .. }) => {
+                        Some(attrs::ConstStability {
+                            level: attrs::StabilityLevel::Stable { .. },
+                            ..
+                        }) => {
                             // All good. Note that a `#[rustc_const_stable]` intrinsic (meaning it
                             // can be *directly* invoked from stable const code) does not always
                             // have the `#[rustc_intrinsic_const_stable_indirect]` attribute (which controls
diff --git a/compiler/rustc_const_eval/src/check_consts/mod.rs b/compiler/rustc_const_eval/src/check_consts/mod.rs
index 06ee7075170..d8421415225 100644
--- a/compiler/rustc_const_eval/src/check_consts/mod.rs
+++ b/compiler/rustc_const_eval/src/check_consts/mod.rs
@@ -4,13 +4,12 @@
 //! has interior mutability or needs to be dropped, as well as the visitor that emits errors when
 //! it finds operations that are invalid in a certain context.
 
-use rustc_attr_parsing::{AttributeKind, find_attr};
 use rustc_errors::DiagCtxtHandle;
-use rustc_hir as hir;
 use rustc_hir::def_id::{DefId, LocalDefId};
 use rustc_middle::ty::{self, PolyFnSig, TyCtxt};
 use rustc_middle::{bug, mir};
 use rustc_span::Symbol;
+use {rustc_attr_data_structures as attrs, rustc_hir as hir};
 
 pub use self::qualifs::Qualif;
 
@@ -83,7 +82,7 @@ pub fn rustc_allow_const_fn_unstable(
 ) -> bool {
     let attrs = tcx.hir_attrs(tcx.local_def_id_to_hir_id(def_id));
 
-    find_attr!(attrs, AttributeKind::AllowConstFnUnstable(syms) if syms.contains(&feature_gate))
+    attrs::find_attr!(attrs, attrs::AttributeKind::AllowConstFnUnstable(syms) if syms.contains(&feature_gate))
 }
 
 /// Returns `true` if the given `def_id` (trait or function) is "safe to expose on stable".
diff --git a/compiler/rustc_expand/Cargo.toml b/compiler/rustc_expand/Cargo.toml
index 0ba139ea5cc..e8fd2f54d76 100644
--- a/compiler/rustc_expand/Cargo.toml
+++ b/compiler/rustc_expand/Cargo.toml
@@ -12,6 +12,7 @@ doctest = false
 rustc_ast = { path = "../rustc_ast" }
 rustc_ast_passes = { path = "../rustc_ast_passes" }
 rustc_ast_pretty = { path = "../rustc_ast_pretty" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_attr_parsing = { path = "../rustc_attr_parsing" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs
index f5eaf7d616b..55751aa4908 100644
--- a/compiler/rustc_expand/src/base.rs
+++ b/compiler/rustc_expand/src/base.rs
@@ -11,7 +11,7 @@ use rustc_ast::token::MetaVarKind;
 use rustc_ast::tokenstream::TokenStream;
 use rustc_ast::visit::{AssocCtxt, Visitor};
 use rustc_ast::{self as ast, AttrVec, Attribute, HasAttrs, Item, NodeId, PatKind};
-use rustc_attr_parsing::{AttributeKind, Deprecation, Stability, find_attr};
+use rustc_attr_data_structures::{AttributeKind, Deprecation, Stability, find_attr};
 use rustc_data_structures::fx::FxIndexMap;
 use rustc_data_structures::sync;
 use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed, PResult};
diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs
index 93604a149f1..783f061ec6c 100644
--- a/compiler/rustc_expand/src/mbe/macro_rules.rs
+++ b/compiler/rustc_expand/src/mbe/macro_rules.rs
@@ -10,7 +10,7 @@ use rustc_ast::token::{self, NonterminalKind, Token, TokenKind};
 use rustc_ast::tokenstream::{DelimSpan, TokenStream};
 use rustc_ast::{self as ast, DUMMY_NODE_ID, NodeId};
 use rustc_ast_pretty::pprust;
-use rustc_attr_parsing::{AttributeKind, find_attr};
+use rustc_attr_data_structures::{AttributeKind, find_attr};
 use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
 use rustc_errors::{Applicability, Diag, ErrorGuaranteed};
 use rustc_feature::Features;
diff --git a/compiler/rustc_hir_analysis/Cargo.toml b/compiler/rustc_hir_analysis/Cargo.toml
index 58213c4f4e4..f2b82c679b9 100644
--- a/compiler/rustc_hir_analysis/Cargo.toml
+++ b/compiler/rustc_hir_analysis/Cargo.toml
@@ -13,7 +13,7 @@ itertools = "0.12"
 rustc_abi = { path = "../rustc_abi" }
 rustc_arena = { path = "../rustc_arena" }
 rustc_ast = { path = "../rustc_ast" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_feature = { path = "../rustc_feature" }
diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs
index da94331aa26..06814eaefe8 100644
--- a/compiler/rustc_hir_analysis/src/check/check.rs
+++ b/compiler/rustc_hir_analysis/src/check/check.rs
@@ -2,8 +2,7 @@ use std::cell::LazyCell;
 use std::ops::ControlFlow;
 
 use rustc_abi::FieldIdx;
-use rustc_attr_parsing::AttributeKind;
-use rustc_attr_parsing::ReprAttr::ReprPacked;
+use rustc_attr_data_structures::ReprAttr::ReprPacked;
 use rustc_data_structures::unord::{UnordMap, UnordSet};
 use rustc_errors::MultiSpan;
 use rustc_errors::codes::*;
@@ -31,7 +30,7 @@ use rustc_trait_selection::traits;
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt;
 use tracing::{debug, instrument};
 use ty::TypingMode;
-use {rustc_attr_parsing as attr, rustc_hir as hir};
+use {rustc_attr_data_structures as attrs, rustc_hir as hir};
 
 use super::compare_impl_item::check_type_bounds;
 use super::*;
@@ -1154,7 +1153,7 @@ pub(super) fn check_packed(tcx: TyCtxt<'_>, sp: Span, def: ty::AdtDef<'_>) {
     let repr = def.repr();
     if repr.packed() {
         if let Some(reprs) =
-            attr::find_attr!(tcx.get_all_attrs(def.did()), AttributeKind::Repr(r) => r)
+            attrs::find_attr!(tcx.get_all_attrs(def.did()), attrs::AttributeKind::Repr(r) => r)
         {
             for (r, _) in reprs {
                 if let ReprPacked(pack) = r
@@ -1371,9 +1370,9 @@ fn check_enum(tcx: TyCtxt<'_>, def_id: LocalDefId) {
     def.destructor(tcx); // force the destructor to be evaluated
 
     if def.variants().is_empty() {
-        attr::find_attr!(
+        attrs::find_attr!(
             tcx.get_all_attrs(def_id),
-            AttributeKind::Repr(rs) => {
+            attrs::AttributeKind::Repr(rs) => {
                 struct_span_code_err!(
                     tcx.dcx(),
                     rs.first().unwrap().1,
diff --git a/compiler/rustc_hir_typeck/Cargo.toml b/compiler/rustc_hir_typeck/Cargo.toml
index f00125c3e09..40fb2d6a106 100644
--- a/compiler/rustc_hir_typeck/Cargo.toml
+++ b/compiler/rustc_hir_typeck/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2024"
 itertools = "0.12"
 rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_fluent_macro = { path = "../rustc_fluent_macro" }
diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs
index fd899425f62..d2fc5ae0543 100644
--- a/compiler/rustc_hir_typeck/src/coercion.rs
+++ b/compiler/rustc_hir_typeck/src/coercion.rs
@@ -37,7 +37,7 @@
 
 use std::ops::Deref;
 
-use rustc_attr_parsing::InlineAttr;
+use rustc_attr_data_structures::InlineAttr;
 use rustc_errors::codes::*;
 use rustc_errors::{Applicability, Diag, struct_span_code_err};
 use rustc_hir as hir;
diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs
index 6a9fd7cdd48..342eed751a5 100644
--- a/compiler/rustc_hir_typeck/src/method/suggest.rs
+++ b/compiler/rustc_hir_typeck/src/method/suggest.rs
@@ -9,7 +9,7 @@ use std::path::PathBuf;
 
 use hir::Expr;
 use rustc_ast::ast::Mutability;
-use rustc_attr_parsing::{AttributeKind, find_attr};
+use rustc_attr_data_structures::{AttributeKind, find_attr};
 use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
 use rustc_data_structures::sorted_map::SortedMap;
 use rustc_data_structures::unord::UnordSet;
diff --git a/compiler/rustc_lint/Cargo.toml b/compiler/rustc_lint/Cargo.toml
index 7718f16984d..64751eaf1fe 100644
--- a/compiler/rustc_lint/Cargo.toml
+++ b/compiler/rustc_lint/Cargo.toml
@@ -8,6 +8,7 @@ edition = "2024"
 rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_ast_pretty = { path = "../rustc_ast_pretty" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_attr_parsing = { path = "../rustc_attr_parsing" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_lint/src/nonstandard_style.rs b/compiler/rustc_lint/src/nonstandard_style.rs
index d1138e8f1fa..048d377b78f 100644
--- a/compiler/rustc_lint/src/nonstandard_style.rs
+++ b/compiler/rustc_lint/src/nonstandard_style.rs
@@ -1,5 +1,6 @@
 use rustc_abi::ExternAbi;
-use rustc_attr_parsing::{AttributeKind, AttributeParser, ReprAttr};
+use rustc_attr_data_structures::{AttributeKind, ReprAttr};
+use rustc_attr_parsing::AttributeParser;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::intravisit::FnKind;
 use rustc_hir::{AttrArgs, AttrItem, Attribute, GenericParamKind, PatExprKind, PatKind};
diff --git a/compiler/rustc_lint/src/types/literal.rs b/compiler/rustc_lint/src/types/literal.rs
index 7cb00262b6f..d44f45177bd 100644
--- a/compiler/rustc_lint/src/types/literal.rs
+++ b/compiler/rustc_lint/src/types/literal.rs
@@ -5,7 +5,7 @@ use rustc_middle::ty::Ty;
 use rustc_middle::ty::layout::IntegerExt;
 use rustc_middle::{bug, ty};
 use rustc_span::Span;
-use {rustc_ast as ast, rustc_attr_parsing as attr, rustc_hir as hir};
+use {rustc_ast as ast, rustc_attr_data_structures as attrs, rustc_hir as hir};
 
 use crate::LateContext;
 use crate::context::LintContext;
@@ -131,18 +131,18 @@ fn report_bin_hex_error(
     cx: &LateContext<'_>,
     hir_id: HirId,
     span: Span,
-    ty: attr::IntType,
+    ty: attrs::IntType,
     size: Size,
     repr_str: String,
     val: u128,
     negative: bool,
 ) {
     let (t, actually) = match ty {
-        attr::IntType::SignedInt(t) => {
+        attrs::IntType::SignedInt(t) => {
             let actually = if negative { -(size.sign_extend(val)) } else { size.sign_extend(val) };
             (t.name_str(), actually.to_string())
         }
-        attr::IntType::UnsignedInt(t) => {
+        attrs::IntType::UnsignedInt(t) => {
             let actually = size.truncate(val);
             (t.name_str(), actually.to_string())
         }
@@ -264,7 +264,7 @@ fn lint_int_literal<'tcx>(
                 cx,
                 hir_id,
                 span,
-                attr::IntType::SignedInt(ty::ast_int_ty(t)),
+                attrs::IntType::SignedInt(ty::ast_int_ty(t)),
                 Integer::from_int_ty(cx, t).size(),
                 repr_str,
                 v,
@@ -336,7 +336,7 @@ fn lint_uint_literal<'tcx>(
                 cx,
                 hir_id,
                 span,
-                attr::IntType::UnsignedInt(ty::ast_uint_ty(t)),
+                attrs::IntType::UnsignedInt(ty::ast_uint_ty(t)),
                 Integer::from_uint_ty(cx, t).size(),
                 repr_str,
                 lit_val,
diff --git a/compiler/rustc_metadata/Cargo.toml b/compiler/rustc_metadata/Cargo.toml
index 26878c488b7..cfe412e99d8 100644
--- a/compiler/rustc_metadata/Cargo.toml
+++ b/compiler/rustc_metadata/Cargo.toml
@@ -10,6 +10,7 @@ libloading = "0.8.0"
 odht = { version = "0.3.1", features = ["nightly"] }
 rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_attr_parsing = { path = "../rustc_attr_parsing" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
index 76bae39ef8c..97d31565733 100644
--- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
+++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
@@ -2,7 +2,7 @@ use std::any::Any;
 use std::mem;
 use std::sync::Arc;
 
-use rustc_attr_parsing::Deprecation;
+use rustc_attr_data_structures::Deprecation;
 use rustc_hir::def::{CtorKind, DefKind, Res};
 use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LOCAL_CRATE};
 use rustc_hir::definitions::{DefKey, DefPath, DefPathHash};
diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs
index c86cf567283..d3d928aa88e 100644
--- a/compiler/rustc_metadata/src/rmeta/mod.rs
+++ b/compiler/rustc_metadata/src/rmeta/mod.rs
@@ -40,7 +40,7 @@ use rustc_span::hygiene::{ExpnIndex, MacroKind, SyntaxContextKey};
 use rustc_span::{self, ExpnData, ExpnHash, ExpnId, Ident, Span, Symbol};
 use rustc_target::spec::{PanicStrategy, TargetTuple};
 use table::TableBuilder;
-use {rustc_ast as ast, rustc_attr_parsing as attr, rustc_hir as hir};
+use {rustc_ast as ast, rustc_attr_data_structures as attrs, rustc_hir as hir};
 
 use crate::creader::CrateMetadataRef;
 
@@ -200,7 +200,7 @@ type ExpnHashTable = LazyTable<ExpnIndex, Option<LazyValue<ExpnHash>>>;
 #[derive(MetadataEncodable, MetadataDecodable)]
 pub(crate) struct ProcMacroData {
     proc_macro_decls_static: DefIndex,
-    stability: Option<attr::Stability>,
+    stability: Option<attrs::Stability>,
     macros: LazyArray<DefIndex>,
 }
 
@@ -422,10 +422,10 @@ define_tables! {
     safety: Table<DefIndex, hir::Safety>,
     def_span: Table<DefIndex, LazyValue<Span>>,
     def_ident_span: Table<DefIndex, LazyValue<Span>>,
-    lookup_stability: Table<DefIndex, LazyValue<attr::Stability>>,
-    lookup_const_stability: Table<DefIndex, LazyValue<attr::ConstStability>>,
-    lookup_default_body_stability: Table<DefIndex, LazyValue<attr::DefaultBodyStability>>,
-    lookup_deprecation_entry: Table<DefIndex, LazyValue<attr::Deprecation>>,
+    lookup_stability: Table<DefIndex, LazyValue<attrs::Stability>>,
+    lookup_const_stability: Table<DefIndex, LazyValue<attrs::ConstStability>>,
+    lookup_default_body_stability: Table<DefIndex, LazyValue<attrs::DefaultBodyStability>>,
+    lookup_deprecation_entry: Table<DefIndex, LazyValue<attrs::Deprecation>>,
     explicit_predicates_of: Table<DefIndex, LazyValue<ty::GenericPredicates<'static>>>,
     generics_of: Table<DefIndex, LazyValue<ty::Generics>>,
     type_of: Table<DefIndex, LazyValue<ty::EarlyBinder<'static, Ty<'static>>>>,
diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs
index 9912e659b05..454ab8c107f 100644
--- a/compiler/rustc_middle/src/middle/stability.rs
+++ b/compiler/rustc_middle/src/middle/stability.rs
@@ -5,7 +5,7 @@ use std::num::NonZero;
 
 use rustc_ast::NodeId;
 use rustc_attr_data_structures::{
-    self as attr, ConstStability, DefaultBodyStability, DeprecatedSince, Deprecation, Stability,
+    self as attrs, ConstStability, DefaultBodyStability, DeprecatedSince, Deprecation, Stability,
 };
 use rustc_data_structures::unord::UnordMap;
 use rustc_errors::{Applicability, Diag, EmissionGuarantee};
@@ -411,7 +411,7 @@ impl<'tcx> TyCtxt<'tcx> {
 
         match stability {
             Some(Stability {
-                level: attr::StabilityLevel::Unstable { reason, issue, is_soft, implied_by },
+                level: attrs::StabilityLevel::Unstable { reason, issue, is_soft, implied_by },
                 feature,
                 ..
             }) => {
@@ -494,7 +494,7 @@ impl<'tcx> TyCtxt<'tcx> {
 
         match stability {
             Some(DefaultBodyStability {
-                level: attr::StabilityLevel::Unstable { reason, issue, is_soft, .. },
+                level: attrs::StabilityLevel::Unstable { reason, issue, is_soft, .. },
                 feature,
             }) => {
                 if span.allows_unstable(feature) {
@@ -643,7 +643,7 @@ impl<'tcx> TyCtxt<'tcx> {
 
         match stability {
             Some(ConstStability {
-                level: attr::StabilityLevel::Unstable { reason, issue, is_soft, implied_by, .. },
+                level: attrs::StabilityLevel::Unstable { reason, issue, is_soft, implied_by, .. },
                 feature,
                 ..
             }) => {
diff --git a/compiler/rustc_mir_transform/Cargo.toml b/compiler/rustc_mir_transform/Cargo.toml
index 9e4b4534dcc..a7d0b3acbe4 100644
--- a/compiler/rustc_mir_transform/Cargo.toml
+++ b/compiler/rustc_mir_transform/Cargo.toml
@@ -10,7 +10,7 @@ itertools = "0.12"
 rustc_abi = { path = "../rustc_abi" }
 rustc_arena = { path = "../rustc_arena" }
 rustc_ast = { path = "../rustc_ast" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_const_eval = { path = "../rustc_const_eval" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_mir_transform/src/check_inline.rs b/compiler/rustc_mir_transform/src/check_inline.rs
index 83c3cda5a50..14d9532894f 100644
--- a/compiler/rustc_mir_transform/src/check_inline.rs
+++ b/compiler/rustc_mir_transform/src/check_inline.rs
@@ -1,7 +1,7 @@
 //! Check that a body annotated with `#[rustc_force_inline]` will not fail to inline based on its
 //! definition alone (irrespective of any specific caller).
 
-use rustc_attr_parsing::InlineAttr;
+use rustc_attr_data_structures::InlineAttr;
 use rustc_hir::def_id::DefId;
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::mir::{Body, TerminatorKind};
diff --git a/compiler/rustc_mir_transform/src/cross_crate_inline.rs b/compiler/rustc_mir_transform/src/cross_crate_inline.rs
index 4f45d9588a8..727d4a126d2 100644
--- a/compiler/rustc_mir_transform/src/cross_crate_inline.rs
+++ b/compiler/rustc_mir_transform/src/cross_crate_inline.rs
@@ -1,4 +1,4 @@
-use rustc_attr_parsing::InlineAttr;
+use rustc_attr_data_structures::InlineAttr;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::LocalDefId;
 use rustc_middle::mir::visit::Visitor;
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs
index 9785c039d53..f48dba9663a 100644
--- a/compiler/rustc_mir_transform/src/inline.rs
+++ b/compiler/rustc_mir_transform/src/inline.rs
@@ -5,7 +5,7 @@ use std::iter;
 use std::ops::{Range, RangeFrom};
 
 use rustc_abi::{ExternAbi, FieldIdx};
-use rustc_attr_parsing::{InlineAttr, OptimizeAttr};
+use rustc_attr_data_structures::{InlineAttr, OptimizeAttr};
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::DefId;
 use rustc_index::Idx;
diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs
index f8d1629b0e2..c8aa7588d03 100644
--- a/compiler/rustc_mir_transform/src/validate.rs
+++ b/compiler/rustc_mir_transform/src/validate.rs
@@ -1,7 +1,7 @@
 //! Validates the MIR to ensure that invariants are upheld.
 
 use rustc_abi::{ExternAbi, FIRST_VARIANT, Size};
-use rustc_attr_parsing::InlineAttr;
+use rustc_attr_data_structures::InlineAttr;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_hir::LangItem;
 use rustc_index::IndexVec;
diff --git a/compiler/rustc_monomorphize/Cargo.toml b/compiler/rustc_monomorphize/Cargo.toml
index 36b76d261de..063fc8f1c74 100644
--- a/compiler/rustc_monomorphize/Cargo.toml
+++ b/compiler/rustc_monomorphize/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2024"
 # tidy-alphabetical-start
 rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_fluent_macro = { path = "../rustc_fluent_macro" }
diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index c6a81e60b2b..b3d7eaf332b 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -208,7 +208,7 @@
 use std::cell::OnceCell;
 use std::path::PathBuf;
 
-use rustc_attr_parsing::InlineAttr;
+use rustc_attr_data_structures::InlineAttr;
 use rustc_data_structures::fx::FxIndexMap;
 use rustc_data_structures::sync::{MTLock, par_for_each_in};
 use rustc_data_structures::unord::{UnordMap, UnordSet};
diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs
index c3a41529794..b4169a060d4 100644
--- a/compiler/rustc_monomorphize/src/partitioning.rs
+++ b/compiler/rustc_monomorphize/src/partitioning.rs
@@ -100,6 +100,7 @@ use std::fs::{self, File};
 use std::io::Write;
 use std::path::{Path, PathBuf};
 
+use rustc_attr_data_structures::InlineAttr;
 use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
 use rustc_data_structures::sync;
 use rustc_data_structures::unord::{UnordMap, UnordSet};
@@ -845,8 +846,7 @@ fn mono_item_visibility<'tcx>(
         return if is_generic
             && (always_export_generics
                 || (can_export_generics
-                    && tcx.codegen_fn_attrs(def_id).inline
-                        == rustc_attr_parsing::InlineAttr::Never))
+                    && tcx.codegen_fn_attrs(def_id).inline == InlineAttr::Never))
         {
             // If it is an upstream monomorphization and we export generics, we must make
             // it available to downstream crates.
@@ -859,8 +859,7 @@ fn mono_item_visibility<'tcx>(
 
     if is_generic {
         if always_export_generics
-            || (can_export_generics
-                && tcx.codegen_fn_attrs(def_id).inline == rustc_attr_parsing::InlineAttr::Never)
+            || (can_export_generics && tcx.codegen_fn_attrs(def_id).inline == InlineAttr::Never)
         {
             if tcx.is_unreachable_local_definition(def_id) {
                 // This instance cannot be used from another crate.
diff --git a/compiler/rustc_passes/Cargo.toml b/compiler/rustc_passes/Cargo.toml
index ba81ef3103b..b9167489076 100644
--- a/compiler/rustc_passes/Cargo.toml
+++ b/compiler/rustc_passes/Cargo.toml
@@ -9,7 +9,7 @@ rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_ast_lowering = { path = "../rustc_ast_lowering" }
 rustc_ast_pretty = { path = "../rustc_ast_pretty" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_expand = { path = "../rustc_expand" }
diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs
index c68f8df49fc..5c0d0cf4796 100644
--- a/compiler/rustc_passes/src/check_attr.rs
+++ b/compiler/rustc_passes/src/check_attr.rs
@@ -10,7 +10,7 @@ use std::collections::hash_map::Entry;
 
 use rustc_abi::{Align, ExternAbi, Size};
 use rustc_ast::{AttrStyle, LitKind, MetaItemInner, MetaItemKind, MetaItemLit, ast};
-use rustc_attr_parsing::{AttributeKind, ReprAttr, find_attr};
+use rustc_attr_data_structures::{AttributeKind, ReprAttr, find_attr};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_errors::{Applicability, DiagCtxtHandle, IntoDiagArg, MultiSpan, StashKey};
 use rustc_feature::{AttributeDuplicates, AttributeType, BUILTIN_ATTRIBUTE_MAP, BuiltinAttribute};
diff --git a/compiler/rustc_passes/src/lib_features.rs b/compiler/rustc_passes/src/lib_features.rs
index 7353c1ead5a..b3e6ee9512c 100644
--- a/compiler/rustc_passes/src/lib_features.rs
+++ b/compiler/rustc_passes/src/lib_features.rs
@@ -4,7 +4,7 @@
 //! but are not declared in one single location (unlike lang features), which means we need to
 //! collect them instead.
 
-use rustc_attr_parsing::{AttributeKind, StabilityLevel, StableSince};
+use rustc_attr_data_structures::{AttributeKind, StabilityLevel, StableSince};
 use rustc_hir::Attribute;
 use rustc_hir::intravisit::Visitor;
 use rustc_middle::hir::nested_filter;
diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs
index d7baad69c78..9884386d68f 100644
--- a/compiler/rustc_passes/src/stability.rs
+++ b/compiler/rustc_passes/src/stability.rs
@@ -5,9 +5,9 @@ use std::mem::replace;
 use std::num::NonZero;
 
 use rustc_ast_lowering::stability::extern_abi_stability;
-use rustc_attr_parsing::{
-    self as attr, AttributeKind, ConstStability, DeprecatedSince, PartialConstStability, Stability,
-    StabilityLevel, StableSince, UnstableReason, VERSION_PLACEHOLDER, find_attr,
+use rustc_attr_data_structures::{
+    self as attrs, AttributeKind, ConstStability, DeprecatedSince, PartialConstStability,
+    Stability, StabilityLevel, StableSince, UnstableReason, VERSION_PLACEHOLDER, find_attr,
 };
 use rustc_data_structures::fx::FxIndexMap;
 use rustc_data_structures::unord::{ExtendUnord, UnordMap, UnordSet};
@@ -121,7 +121,7 @@ impl<'a, 'tcx> Annotator<'a, 'tcx> {
         let attrs = self.tcx.hir_attrs(self.tcx.local_def_id_to_hir_id(def_id));
         debug!("annotate(id = {:?}, attrs = {:?})", def_id, attrs);
 
-        let depr = attr::find_attr!(attrs, AttributeKind::Deprecation{deprecation, span} => (*deprecation, *span));
+        let depr = attrs::find_attr!(attrs, AttributeKind::Deprecation{deprecation, span} => (*deprecation, *span));
         let const_stability_indirect = find_attr!(attrs, AttributeKind::ConstStabilityIndirect);
 
         let mut is_deprecated = false;
@@ -174,9 +174,9 @@ impl<'a, 'tcx> Annotator<'a, 'tcx> {
         }
 
         // # Regular and body stability
-        let stab = attr::find_attr!(attrs, AttributeKind::Stability { stability, span } => (*stability, *span));
+        let stab = attrs::find_attr!(attrs, AttributeKind::Stability { stability, span } => (*stability, *span));
         let body_stab =
-            attr::find_attr!(attrs, AttributeKind::BodyStability { stability, .. } => *stability);
+            attrs::find_attr!(attrs, AttributeKind::BodyStability { stability, .. } => *stability);
 
         if let Some((depr, span)) = &depr
             && depr.is_since_rustc_version()
@@ -206,7 +206,7 @@ impl<'a, 'tcx> Annotator<'a, 'tcx> {
             // this is *almost surely* an accident.
             if let (
                 &Some(DeprecatedSince::RustcVersion(dep_since)),
-                &attr::StabilityLevel::Stable { since: stab_since, .. },
+                &attrs::StabilityLevel::Stable { since: stab_since, .. },
             ) = (&depr.as_ref().map(|(d, _)| d.since), &stab.level)
             {
                 match stab_since {
@@ -263,7 +263,7 @@ impl<'a, 'tcx> Annotator<'a, 'tcx> {
 
         // # Const stability
 
-        let const_stab = attr::find_attr!(attrs, AttributeKind::ConstStability { stability, span } => (*stability, *span));
+        let const_stab = attrs::find_attr!(attrs, AttributeKind::ConstStability { stability, span } => (*stability, *span));
 
         // If the current node is a function with const stability attributes (directly given or
         // implied), check if the function/method is const or the parent impl block is const.
@@ -713,7 +713,7 @@ fn stability_index(tcx: TyCtxt<'_>, (): ()) -> Index {
         // by default and are unable to be used.
         if tcx.sess.opts.unstable_opts.force_unstable_if_unmarked {
             let stability = Stability {
-                level: attr::StabilityLevel::Unstable {
+                level: attrs::StabilityLevel::Unstable {
                     reason: UnstableReason::Default,
                     issue: NonZero::new(27812),
                     is_soft: false,
@@ -796,17 +796,17 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> {
                 let features = self.tcx.features();
                 if features.staged_api() {
                     let attrs = self.tcx.hir_attrs(item.hir_id());
-                    let stab = attr::find_attr!(attrs, AttributeKind::Stability{stability, span} => (*stability, *span));
+                    let stab = attrs::find_attr!(attrs, AttributeKind::Stability{stability, span} => (*stability, *span));
 
                     // FIXME(jdonszelmann): make it impossible to miss the or_else in the typesystem
-                    let const_stab = attr::find_attr!(attrs, AttributeKind::ConstStability{stability, ..} => *stability);
+                    let const_stab = attrs::find_attr!(attrs, AttributeKind::ConstStability{stability, ..} => *stability);
 
                     // If this impl block has an #[unstable] attribute, give an
                     // error if all involved types and traits are stable, because
                     // it will have no effect.
                     // See: https://github.com/rust-lang/rust/issues/55436
                     if let Some((
-                        Stability { level: attr::StabilityLevel::Unstable { .. }, .. },
+                        Stability { level: attrs::StabilityLevel::Unstable { .. }, .. },
                         span,
                     )) = stab
                     {
diff --git a/compiler/rustc_privacy/Cargo.toml b/compiler/rustc_privacy/Cargo.toml
index 242c67d732a..109a7bf49fe 100644
--- a/compiler/rustc_privacy/Cargo.toml
+++ b/compiler/rustc_privacy/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2024"
 [dependencies]
 # tidy-alphabetical-start
 rustc_ast = { path = "../rustc_ast" }
-rustc_attr_parsing = { path = "../rustc_attr_parsing" }
+rustc_attr_data_structures = { path = "../rustc_attr_data_structures" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_fluent_macro = { path = "../rustc_fluent_macro" }
diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs
index 9c2921cd5b2..e2dfaec61b3 100644
--- a/compiler/rustc_privacy/src/lib.rs
+++ b/compiler/rustc_privacy/src/lib.rs
@@ -20,7 +20,6 @@ use errors::{
 };
 use rustc_ast::MacroDef;
 use rustc_ast::visit::{VisitorResult, try_visit};
-use rustc_attr_parsing::AttributeKind;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_data_structures::intern::Interned;
 use rustc_errors::{MultiSpan, listify};
@@ -40,7 +39,7 @@ use rustc_session::lint;
 use rustc_span::hygiene::Transparency;
 use rustc_span::{Ident, Span, Symbol, sym};
 use tracing::debug;
-use {rustc_attr_parsing as attr, rustc_hir as hir};
+use {rustc_attr_data_structures as attrs, rustc_hir as hir};
 
 rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
 
@@ -497,7 +496,7 @@ impl<'tcx> EmbargoVisitor<'tcx> {
         let hir_id = self.tcx.local_def_id_to_hir_id(local_def_id);
         let attrs = self.tcx.hir_attrs(hir_id);
 
-        if attr::find_attr!(attrs, AttributeKind::MacroTransparency(x) => *x)
+        if attrs::find_attr!(attrs, attrs::AttributeKind::MacroTransparency(x) => *x)
             .unwrap_or(Transparency::fallback(md.macro_rules))
             != Transparency::Opaque
         {
diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs
index c58f8480572..ee905065b96 100644
--- a/compiler/rustc_resolve/src/macros.rs
+++ b/compiler/rustc_resolve/src/macros.rs
@@ -8,7 +8,7 @@ use std::sync::Arc;
 use rustc_ast::expand::StrippedCfgItem;
 use rustc_ast::{self as ast, Crate, NodeId, attr};
 use rustc_ast_pretty::pprust;
-use rustc_attr_parsing::StabilityLevel;
+use rustc_attr_data_structures::StabilityLevel;
 use rustc_data_structures::intern::Interned;
 use rustc_errors::{Applicability, DiagCtxtHandle, StashKey};
 use rustc_expand::base::{
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
index 75f1bc9549c..e45f28444fe 100644
--- a/src/librustdoc/clean/types.rs
+++ b/src/librustdoc/clean/types.rs
@@ -5,7 +5,9 @@ use std::{fmt, iter};
 
 use arrayvec::ArrayVec;
 use rustc_abi::{ExternAbi, VariantIdx};
-use rustc_attr_parsing::{AttributeKind, ConstStability, Deprecation, Stability, StableSince};
+use rustc_attr_data_structures::{
+    AttributeKind, ConstStability, Deprecation, Stability, StableSince,
+};
 use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet};
 use rustc_hir::def::{CtorKind, DefKind, Res};
 use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE, LocalDefId};
@@ -403,13 +405,13 @@ impl Item {
             // versions; the paths that are exposed through it are "deprecated" because they
             // were never supposed to work at all.
             let stab = self.stability(tcx)?;
-            if let rustc_attr_parsing::StabilityLevel::Stable {
+            if let rustc_attr_data_structures::StabilityLevel::Stable {
                 allowed_through_unstable_modules: Some(note),
                 ..
             } = stab.level
             {
                 Some(Deprecation {
-                    since: rustc_attr_parsing::DeprecatedSince::Unspecified,
+                    since: rustc_attr_data_structures::DeprecatedSince::Unspecified,
                     note: Some(note),
                     suggestion: None,
                 })
@@ -777,9 +779,9 @@ impl Item {
                             // don't want it it `Item::attrs`.
                             None
                         }
-                        rustc_hir::Attribute::Parsed(rustc_attr_parsing::AttributeKind::Repr(
-                            ..,
-                        )) => {
+                        rustc_hir::Attribute::Parsed(
+                            rustc_attr_data_structures::AttributeKind::Repr(..),
+                        ) => {
                             // We have separate pretty-printing logic for `#[repr(..)]` attributes.
                             // For example, there are circumstances where `#[repr(transparent)]`
                             // is applied but should not be publicly shown in rustdoc
diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs
index 19402004ed5..4989bd718c9 100644
--- a/src/librustdoc/formats/cache.rs
+++ b/src/librustdoc/formats/cache.rs
@@ -1,6 +1,6 @@
 use std::mem;
 
-use rustc_attr_parsing::StabilityLevel;
+use rustc_attr_data_structures::StabilityLevel;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet};
 use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, DefIdSet};
 use rustc_middle::ty::{self, TyCtxt};
diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs
index 8c7ab640bed..486d4ae932d 100644
--- a/src/librustdoc/html/format.rs
+++ b/src/librustdoc/html/format.rs
@@ -15,7 +15,7 @@ use std::slice;
 
 use itertools::Either;
 use rustc_abi::ExternAbi;
-use rustc_attr_parsing::{ConstStability, StabilityLevel, StableSince};
+use rustc_attr_data_structures::{ConstStability, StabilityLevel, StableSince};
 use rustc_data_structures::fx::FxHashSet;
 use rustc_hir as hir;
 use rustc_hir::def::DefKind;
diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index beaa6497b8c..3492df99955 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -49,7 +49,7 @@ use std::{fs, str};
 
 use askama::Template;
 use itertools::Either;
-use rustc_attr_parsing::{
+use rustc_attr_data_structures::{
     ConstStability, DeprecatedSince, Deprecation, RustcVersion, StabilityLevel, StableSince,
 };
 use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet};
diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs
index f446c9fbbd8..705f9b2202c 100644
--- a/src/librustdoc/json/conversions.rs
+++ b/src/librustdoc/json/conversions.rs
@@ -6,7 +6,7 @@
 
 use rustc_abi::ExternAbi;
 use rustc_ast::ast;
-use rustc_attr_parsing::DeprecatedSince;
+use rustc_attr_data_structures::{self as attrs, DeprecatedSince};
 use rustc_hir::def::CtorKind;
 use rustc_hir::def_id::DefId;
 use rustc_metadata::rendered_const;
@@ -153,8 +153,8 @@ where
     }
 }
 
-pub(crate) fn from_deprecation(deprecation: rustc_attr_parsing::Deprecation) -> Deprecation {
-    let rustc_attr_parsing::Deprecation { since, note, suggestion: _ } = deprecation;
+pub(crate) fn from_deprecation(deprecation: attrs::Deprecation) -> Deprecation {
+    let attrs::Deprecation { since, note, suggestion: _ } = deprecation;
     let since = match since {
         DeprecatedSince::RustcVersion(version) => Some(version.to_string()),
         DeprecatedSince::Future => Some("TBD".to_owned()),
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index b4003044e20..001668c54a7 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -36,6 +36,7 @@ extern crate pulldown_cmark;
 extern crate rustc_abi;
 extern crate rustc_ast;
 extern crate rustc_ast_pretty;
+extern crate rustc_attr_data_structures;
 extern crate rustc_attr_parsing;
 extern crate rustc_data_structures;
 extern crate rustc_driver;
diff --git a/src/librustdoc/passes/propagate_stability.rs b/src/librustdoc/passes/propagate_stability.rs
index fdab2b08779..7b3da8d7c0f 100644
--- a/src/librustdoc/passes/propagate_stability.rs
+++ b/src/librustdoc/passes/propagate_stability.rs
@@ -6,7 +6,7 @@
 //! [`core::error`] module is marked as stable since 1.81.0, so we want to show
 //! [`core::error::Error`] as stable since 1.81.0 as well.
 
-use rustc_attr_parsing::{Stability, StabilityLevel};
+use rustc_attr_data_structures::{Stability, StabilityLevel};
 use rustc_hir::def_id::CRATE_DEF_ID;
 
 use crate::clean::{Crate, Item, ItemId, ItemKind};
diff --git a/src/tools/clippy/clippy_lints/src/approx_const.rs b/src/tools/clippy/clippy_lints/src/approx_const.rs
index 9ae746c13b2..852e48cbcae 100644
--- a/src/tools/clippy/clippy_lints/src/approx_const.rs
+++ b/src/tools/clippy/clippy_lints/src/approx_const.rs
@@ -2,7 +2,7 @@ use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_help;
 use clippy_utils::msrvs::{self, Msrv};
 use rustc_ast::ast::{FloatTy, LitFloatType, LitKind};
-use rustc_attr_parsing::RustcVersion;
+use rustc_attr_data_structures::RustcVersion;
 use rustc_hir::{HirId, Lit};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
diff --git a/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs b/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs
index df01c7fde18..05d8a8c26d1 100644
--- a/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs
+++ b/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs
@@ -1,4 +1,4 @@
-use rustc_attr_parsing::{AttributeKind, ReprAttr, find_attr};
+use rustc_attr_data_structures::{AttributeKind, ReprAttr, find_attr};
 use rustc_hir::Attribute;
 use rustc_lint::LateContext;
 use rustc_span::Span;
diff --git a/src/tools/clippy/clippy_lints/src/booleans.rs b/src/tools/clippy/clippy_lints/src/booleans.rs
index bc6ba84772b..7c6fd91ca67 100644
--- a/src/tools/clippy/clippy_lints/src/booleans.rs
+++ b/src/tools/clippy/clippy_lints/src/booleans.rs
@@ -6,7 +6,7 @@ use clippy_utils::source::SpanRangeExt;
 use clippy_utils::sugg::Sugg;
 use clippy_utils::ty::{implements_trait, is_type_diagnostic_item};
 use rustc_ast::ast::LitKind;
-use rustc_attr_parsing::RustcVersion;
+use rustc_attr_data_structures::RustcVersion;
 use rustc_errors::Applicability;
 use rustc_hir::intravisit::{FnKind, Visitor, walk_expr};
 use rustc_hir::{BinOpKind, Body, Expr, ExprKind, FnDecl, UnOp};
diff --git a/src/tools/clippy/clippy_lints/src/default_union_representation.rs b/src/tools/clippy/clippy_lints/src/default_union_representation.rs
index 7c64bf46e7b..615421f3a40 100644
--- a/src/tools/clippy/clippy_lints/src/default_union_representation.rs
+++ b/src/tools/clippy/clippy_lints/src/default_union_representation.rs
@@ -1,5 +1,5 @@
 use clippy_utils::diagnostics::span_lint_and_then;
-use rustc_attr_parsing::{AttributeKind, ReprAttr, find_attr};
+use rustc_attr_data_structures::{AttributeKind, ReprAttr, find_attr};
 use rustc_hir::{HirId, Item, ItemKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty::layout::LayoutOf;
diff --git a/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs b/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs
index 9637546b868..ebfc9972aef 100644
--- a/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs
+++ b/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs
@@ -1,7 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use rustc_ast::AttrStyle;
 use rustc_ast::token::CommentKind;
-use rustc_attr_parsing::AttributeKind;
+use rustc_attr_data_structures::AttributeKind;
 use rustc_errors::Applicability;
 use rustc_hir::Attribute;
 use rustc_lint::LateContext;
diff --git a/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs b/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs
index dc6cbb42543..7f7224ecfc6 100644
--- a/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs
+++ b/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs
@@ -1,4 +1,4 @@
-use rustc_attr_parsing::AttributeKind;
+use rustc_attr_data_structures::AttributeKind;
 use rustc_errors::Applicability;
 use rustc_hir::{Attribute, Item, ItemKind};
 use rustc_lint::LateContext;
diff --git a/src/tools/clippy/clippy_lints/src/format_args.rs b/src/tools/clippy/clippy_lints/src/format_args.rs
index 8a3f8e1c587..a26e736c7ae 100644
--- a/src/tools/clippy/clippy_lints/src/format_args.rs
+++ b/src/tools/clippy/clippy_lints/src/format_args.rs
@@ -15,7 +15,7 @@ use rustc_ast::{
     FormatArgPosition, FormatArgPositionKind, FormatArgsPiece, FormatArgumentKind, FormatCount, FormatOptions,
     FormatPlaceholder, FormatTrait,
 };
-use rustc_attr_parsing::RustcVersion;
+use rustc_attr_data_structures::RustcVersion;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_errors::Applicability;
 use rustc_errors::SuggestionStyle::{CompletelyHidden, ShowCode};
diff --git a/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs b/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs
index e55edb1fcaa..5d0bd3e8ca3 100644
--- a/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs
+++ b/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs
@@ -2,7 +2,7 @@ use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint;
 use clippy_utils::is_in_test;
 use clippy_utils::msrvs::Msrv;
-use rustc_attr_parsing::{RustcVersion, StabilityLevel, StableSince};
+use rustc_attr_data_structures::{RustcVersion, StabilityLevel, StableSince};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_hir::{Expr, ExprKind, HirId, QPath};
 use rustc_lint::{LateContext, LateLintPass};
diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs
index 006145cc623..ff028713bf0 100644
--- a/src/tools/clippy/clippy_lints/src/lib.rs
+++ b/src/tools/clippy/clippy_lints/src/lib.rs
@@ -35,7 +35,7 @@ extern crate rustc_abi;
 extern crate rustc_arena;
 extern crate rustc_ast;
 extern crate rustc_ast_pretty;
-extern crate rustc_attr_parsing;
+extern crate rustc_attr_data_structures;
 extern crate rustc_data_structures;
 extern crate rustc_driver;
 extern crate rustc_errors;
diff --git a/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs b/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs
index d68ac8bab12..3d39386ecf9 100644
--- a/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs
+++ b/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs
@@ -2,7 +2,7 @@ use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::is_from_proc_macro;
 use clippy_utils::msrvs::Msrv;
-use rustc_attr_parsing::{StabilityLevel, StableSince};
+use rustc_attr_data_structures::{StabilityLevel, StableSince};
 use rustc_errors::Applicability;
 use rustc_hir::def::Res;
 use rustc_hir::def_id::DefId;
diff --git a/src/tools/clippy/clippy_lints_internal/src/lib.rs b/src/tools/clippy/clippy_lints_internal/src/lib.rs
index 43cde86504f..0c94d100c41 100644
--- a/src/tools/clippy/clippy_lints_internal/src/lib.rs
+++ b/src/tools/clippy/clippy_lints_internal/src/lib.rs
@@ -20,6 +20,7 @@
 #![allow(clippy::missing_clippy_version_attribute)]
 
 extern crate rustc_ast;
+extern crate rustc_attr_data_structures;
 extern crate rustc_attr_parsing;
 extern crate rustc_data_structures;
 extern crate rustc_errors;
diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs
index 0a9c39c41bd..4fb608a6482 100644
--- a/src/tools/clippy/clippy_utils/src/lib.rs
+++ b/src/tools/clippy/clippy_utils/src/lib.rs
@@ -27,6 +27,7 @@
 // (Currently there is no way to opt into sysroot crates without `extern crate`.)
 extern crate rustc_abi;
 extern crate rustc_ast;
+extern crate rustc_attr_data_structures;
 extern crate rustc_attr_parsing;
 extern crate rustc_const_eval;
 extern crate rustc_data_structures;
@@ -88,7 +89,7 @@ use std::sync::{Mutex, MutexGuard, OnceLock};
 use itertools::Itertools;
 use rustc_abi::Integer;
 use rustc_ast::ast::{self, LitKind, RangeLimits};
-use rustc_attr_parsing::{AttributeKind, find_attr};
+use rustc_attr_data_structures::{AttributeKind, find_attr};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::packed::Pu128;
 use rustc_data_structures::unhash::UnhashMap;
diff --git a/src/tools/clippy/clippy_utils/src/msrvs.rs b/src/tools/clippy/clippy_utils/src/msrvs.rs
index 223a8649eb3..599c6f3a4ff 100644
--- a/src/tools/clippy/clippy_utils/src/msrvs.rs
+++ b/src/tools/clippy/clippy_utils/src/msrvs.rs
@@ -1,7 +1,8 @@
 use crate::sym;
 use rustc_ast::Attribute;
 use rustc_ast::attr::AttributeExt;
-use rustc_attr_parsing::{RustcVersion, parse_version};
+use rustc_attr_data_structures::RustcVersion;
+use rustc_attr_parsing::parse_version;
 use rustc_lint::LateContext;
 use rustc_session::Session;
 use rustc_span::Symbol;
diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
index 5d0401010db..45da266fd8a 100644
--- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
+++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
@@ -5,7 +5,7 @@
 
 use crate::msrvs::{self, Msrv};
 use hir::LangItem;
-use rustc_attr_parsing::{RustcVersion, StableSince};
+use rustc_attr_data_structures::{RustcVersion, StableSince};
 use rustc_const_eval::check_consts::ConstCx;
 use rustc_hir as hir;
 use rustc_hir::def_id::DefId;
@@ -404,7 +404,7 @@ fn is_stable_const_fn(cx: &LateContext<'_>, def_id: DefId, msrv: Msrv) -> bool {
                     .and_then(|trait_def_id| cx.tcx.lookup_const_stability(trait_def_id))
             })
             .is_none_or(|const_stab| {
-                if let rustc_attr_parsing::StabilityLevel::Stable { since, .. } = const_stab.level {
+                if let rustc_attr_data_structures::StabilityLevel::Stable { since, .. } = const_stab.level {
                     // Checking MSRV is manually necessary because `rustc` has no such concept. This entire
                     // function could be removed if `rustc` provided a MSRV-aware version of `is_stable_const_fn`.
                     // as a part of an unimplemented MSRV check https://github.com/rust-lang/rust/issues/65262.
diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs
index 0b7a067058b..329a7e56bc0 100644
--- a/src/tools/miri/src/lib.rs
+++ b/src/tools/miri/src/lib.rs
@@ -60,7 +60,7 @@ extern crate tracing;
 extern crate rustc_abi;
 extern crate rustc_apfloat;
 extern crate rustc_ast;
-extern crate rustc_attr_parsing;
+extern crate rustc_attr_data_structures;
 extern crate rustc_const_eval;
 extern crate rustc_data_structures;
 extern crate rustc_errors;
diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs
index dbde415170c..1c6c7894cb4 100644
--- a/src/tools/miri/src/machine.rs
+++ b/src/tools/miri/src/machine.rs
@@ -13,7 +13,7 @@ use rand::rngs::StdRng;
 use rand::{Rng, SeedableRng};
 use rustc_abi::{Align, ExternAbi, Size};
 use rustc_apfloat::{Float, FloatConvert};
-use rustc_attr_parsing::InlineAttr;
+use rustc_attr_data_structures::InlineAttr;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 #[allow(unused)]
 use rustc_data_structures::static_assert_size;