Auto merge of #12200 - flip1995:rustup, r=flip1995

Rustup

r? `@ghost`

changelog: none

clippy.toml

@@ -2,6 +2,6 @@ avoid-breaking-exported-api = false
 
 # use the various `span_lint_*` methods instead, which also add a link to the docs
 disallowed-methods = [
-    "rustc_lint::context::LintContext::struct_span_lint",
+    "rustc_lint::context::LintContext::span_lint",
-    "rustc_middle::ty::context::TyCtxt::struct_span_lint_hir"
+    "rustc_middle::ty::context::TyCtxt::node_span_lint"
 ]

clippy_lints/src/async_yields_async.rs

@@ -45,25 +45,49 @@ declare_lint_pass!(AsyncYieldsAsync => [ASYNC_YIELDS_ASYNC]);
 
 impl<'tcx> LateLintPass<'tcx> for AsyncYieldsAsync {
     fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) {
-        // For functions, with explicitly defined types, don't warn.
+        let ExprKind::Closure(Closure {
-        // XXXkhuey maybe we should?
+            kind: ClosureKind::Coroutine(CoroutineKind::Desugared(CoroutineDesugaring::Async, kind)),
-        if let ExprKind::Closure(Closure {
-            kind:
-                ClosureKind::Coroutine(CoroutineKind::Desugared(
-                    CoroutineDesugaring::Async,
-                    CoroutineSource::Block | CoroutineSource::Closure,
-                )),
             body: body_id,
             ..
         }) = expr.kind
-        {
+        else {
-            if let Some(future_trait_def_id) = cx.tcx.lang_items().future_trait() {
+            return;
+        };
+
+        let body_expr = match kind {
+            CoroutineSource::Fn => {
+                // For functions, with explicitly defined types, don't warn.
+                // XXXkhuey maybe we should?
+                return;
+            },
+            CoroutineSource::Block => cx.tcx.hir().body(*body_id).value,
+            CoroutineSource::Closure => {
+                // Like `async fn`, async closures are wrapped in an additional block
+                // to move all of the closure's arguments into the future.
+
+                let async_closure_body = cx.tcx.hir().body(*body_id).value;
+                let ExprKind::Block(block, _) = async_closure_body.kind else {
+                    return;
+                };
+                let Some(block_expr) = block.expr else {
+                    return;
+                };
+                let ExprKind::DropTemps(body_expr) = block_expr.kind else {
+                    return;
+                };
+                body_expr
+            },
+        };
+
+        let Some(future_trait_def_id) = cx.tcx.lang_items().future_trait() else {
+            return;
+        };
+
         let typeck_results = cx.tcx.typeck_body(*body_id);
-                let body = cx.tcx.hir().body(*body_id);
+        let expr_ty = typeck_results.expr_ty(body_expr);
-                let expr_ty = typeck_results.expr_ty(body.value);
 
         if implements_trait(cx, expr_ty, future_trait_def_id, &[]) {
-                    let return_expr_span = match &body.value.kind {
+            let return_expr_span = match &body_expr.kind {
                 // XXXkhuey there has to be a better way.
                 ExprKind::Block(block, _) => block.expr.map(|e| e.span),
                 ExprKind::Path(QPath::Resolved(_, path)) => Some(path.span),
@@ -73,11 +97,11 @@ impl<'tcx> LateLintPass<'tcx> for AsyncYieldsAsync {
                 span_lint_hir_and_then(
                     cx,
                     ASYNC_YIELDS_ASYNC,
-                            body.value.hir_id,
+                    body_expr.hir_id,
                     return_expr_span,
                     "an async construct yields a type which is itself awaitable",
                     |db| {
-                                db.span_label(body.value.span, "outer async construct");
+                        db.span_label(body_expr.span, "outer async construct");
                         db.span_label(return_expr_span, "awaitable value not awaited");
                         db.span_suggestion(
                             return_expr_span,
@@ -90,6 +114,4 @@ impl<'tcx> LateLintPass<'tcx> for AsyncYieldsAsync {
             }
         }
     }
-        }
-    }
 }

clippy_lints/src/casts/unnecessary_cast.rs

@@ -107,7 +107,7 @@ pub(super) fn check<'tcx>(
             && let Some(src) = snippet_opt(cx, cast_expr.span)
             && cast_to.is_floating_point()
             && let Some(num_lit) = NumericLiteral::from_lit_kind(&src, &lit.node)
-            && let from_nbits = 128 - n.leading_zeros()
+            && let from_nbits = 128 - n.get().leading_zeros()
             && let to_nbits = fp_ty_mantissa_nbits(cast_to)
             && from_nbits != 0
             && to_nbits != 0

clippy_lints/src/default_union_representation.rs

@@ -75,7 +75,7 @@ impl<'tcx> LateLintPass<'tcx> for DefaultUnionRepresentation {
 /// (ZST fields having an arbitrary offset is completely inconsequential, and
 /// if there is only one field left after ignoring ZST fields then the offset
 /// of that field does not matter either.)
-fn is_union_with_two_non_zst_fields(cx: &LateContext<'_>, item: &Item<'_>) -> bool {
+fn is_union_with_two_non_zst_fields<'tcx>(cx: &LateContext<'tcx>, item: &Item<'tcx>) -> bool {
     if let ItemKind::Union(..) = &item.kind
         && let ty::Adt(adt_def, args) = cx.tcx.type_of(item.owner_id).instantiate_identity().kind()
     {

clippy_lints/src/dereference.rs

@@ -830,6 +830,7 @@ impl TyCoercionStability {
                 | TyKind::Infer
                 | TyKind::Typeof(..)
                 | TyKind::TraitObject(..)
+                | TyKind::InferDelegation(..)
                 | TyKind::Err(_) => Self::Reborrow,
             };
         }

clippy_lints/src/derive.rs

@@ -386,7 +386,8 @@ fn check_unsafe_derive_deserialize<'tcx>(
         && cx
             .tcx
             .inherent_impls(def.did())
-            .iter()
+            .into_iter()
+            .flatten()
             .map(|imp_did| cx.tcx.hir().expect_item(imp_did.expect_local()))
             .any(|imp| has_unsafe(cx, imp))
     {
@@ -451,12 +452,12 @@ fn check_partial_eq_without_eq<'tcx>(cx: &LateContext<'tcx>, span: Span, trait_r
         && cx.tcx.is_diagnostic_item(sym::PartialEq, def_id)
         && !has_non_exhaustive_attr(cx.tcx, *adt)
         && let param_env = param_env_for_derived_eq(cx.tcx, adt.did(), eq_trait_def_id)
-        && !implements_trait_with_env(cx.tcx, param_env, ty, eq_trait_def_id, adt.did(),&[])
+        && !implements_trait_with_env(cx.tcx, param_env, ty, eq_trait_def_id, None, &[])
         // If all of our fields implement `Eq`, we can implement `Eq` too
         && adt
             .all_fields()
             .map(|f| f.ty(cx.tcx, args))
-            .all(|ty| implements_trait_with_env(cx.tcx, param_env, ty, eq_trait_def_id, adt.did(), &[]))
+            .all(|ty| implements_trait_with_env(cx.tcx, param_env, ty, eq_trait_def_id, None, &[]))
     {
         span_lint_and_sugg(
             cx,

clippy_lints/src/doc/needless_doctest_main.rs

@@ -6,7 +6,7 @@ use clippy_utils::diagnostics::span_lint;
 use rustc_ast::{CoroutineKind, Fn, FnRetTy, Item, ItemKind};
 use rustc_data_structures::sync::Lrc;
 use rustc_errors::emitter::HumanEmitter;
-use rustc_errors::DiagCtxt;
+use rustc_errors::{DiagCtxt, DiagnosticBuilder};
 use rustc_lint::LateContext;
 use rustc_parse::maybe_new_parser_from_source_str;
 use rustc_parse::parser::ForceCollect;
@@ -53,7 +53,7 @@ pub fn check(
                 let mut parser = match maybe_new_parser_from_source_str(&sess, filename, code) {
                     Ok(p) => p,
                     Err(errs) => {
-                        drop(errs);
+                        errs.into_iter().for_each(DiagnosticBuilder::cancel);
                         return (false, test_attr_spans);
                     },
                 };

clippy_lints/src/equatable_if_let.rs

@@ -51,7 +51,8 @@ fn unary_pattern(pat: &Pat<'_>) -> bool {
         | PatKind::Binding(..)
         | PatKind::Wild
         | PatKind::Never
-        | PatKind::Or(_) => false,
+        | PatKind::Or(_)
+        | PatKind::Err(_) => false,
         PatKind::Struct(_, a, etc) => !etc && a.iter().all(|x| unary_pattern(x.pat)),
         PatKind::Tuple(a, etc) | PatKind::TupleStruct(_, a, etc) => etc.as_opt_usize().is_none() && array_rec(a),
         PatKind::Ref(x, _) | PatKind::Box(x) => unary_pattern(x),

clippy_lints/src/implicit_hasher.rs

@@ -210,7 +210,7 @@ enum ImplicitHasherType<'tcx> {
 
 impl<'tcx> ImplicitHasherType<'tcx> {
     /// Checks that `ty` is a target type without a `BuildHasher`.
-    fn new(cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'_>) -> Option<Self> {
+    fn new(cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'tcx>) -> Option<Self> {
         if let TyKind::Path(QPath::Resolved(None, path)) = hir_ty.kind {
             let params: Vec<_> = path
                 .segments

clippy_lints/src/implicit_saturating_add.rs

@@ -3,6 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::get_parent_expr;
 use clippy_utils::source::snippet_with_context;
 use rustc_ast::ast::{LitIntType, LitKind};
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Block, Expr, ExprKind, Stmt, StmtKind};
 use rustc_lint::{LateContext, LateLintPass};
@@ -69,7 +70,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingAdd {
             && clippy_utils::SpanlessEq::new(cx).eq_expr(l, target)
             && BinOpKind::Add == op1.node
             && let ExprKind::Lit(lit) = value.kind
-            && let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node
+            && let LitKind::Int(Pu128(1), LitIntType::Unsuffixed) = lit.node
             && block.expr.is_none()
         {
             let mut app = Applicability::MachineApplicable;

clippy_lints/src/implicit_saturating_sub.rs

@@ -1,6 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::{higher, is_integer_literal, peel_blocks_with_stmt, SpanlessEq};
 use rustc_ast::ast::LitKind;
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind, QPath};
 use rustc_lint::{LateContext, LateLintPass};
@@ -86,7 +87,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingSub {
             match cond_num_val.kind {
                 ExprKind::Lit(cond_lit) => {
                     // Check if the constant is zero
-                    if let LitKind::Int(0, _) = cond_lit.node {
+                    if let LitKind::Int(Pu128(0), _) = cond_lit.node {
                         if cx.typeck_results().expr_ty(cond_left).is_signed() {
                         } else {
                             print_lint_and_sugg(cx, var_name, expr);

clippy_lints/src/inherent_impl.rs

@@ -53,9 +53,12 @@ impl<'tcx> LateLintPass<'tcx> for MultipleInherentImpl {
         // List of spans to lint. (lint_span, first_span)
         let mut lint_spans = Vec::new();
 
+        let Ok(impls) = cx.tcx.crate_inherent_impls(()) else {
+            return;
+        };
         let inherent_impls = cx
             .tcx
-            .with_stable_hashing_context(|hcx| cx.tcx.crate_inherent_impls(()).inherent_impls.to_sorted(&hcx, true));
+            .with_stable_hashing_context(|hcx| impls.inherent_impls.to_sorted(&hcx, true));
 
         for (_, impl_ids) in inherent_impls.into_iter().filter(|(&id, impls)| {
             impls.len() > 1

clippy_lints/src/iter_without_into_iter.rs

@@ -139,7 +139,7 @@ fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl Iter
 
 fn adt_has_inherent_method(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> bool {
     if let Some(ty_did) = ty.ty_adt_def().map(ty::AdtDef::did) {
-        cx.tcx.inherent_impls(ty_did).iter().any(|&did| {
+        cx.tcx.inherent_impls(ty_did).into_iter().flatten().any(|&did| {
             cx.tcx
                 .associated_items(did)
                 .filter_by_name_unhygienic(method_name)

clippy_lints/src/len_zero.rs

@@ -441,7 +441,8 @@ fn check_for_is_empty(
     let is_empty = cx
         .tcx
         .inherent_impls(impl_ty)
-        .iter()
+        .into_iter()
+        .flatten()
         .flat_map(|&id| cx.tcx.associated_items(id).filter_by_name_unhygienic(is_empty))
         .find(|item| item.kind == AssocKind::Fn);
 
@@ -605,7 +606,7 @@ fn has_is_empty(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
     /// Checks the inherent impl's items for an `is_empty(self)` method.
     fn has_is_empty_impl(cx: &LateContext<'_>, id: DefId) -> bool {
         let is_empty = sym!(is_empty);
-        cx.tcx.inherent_impls(id).iter().any(|imp| {
+        cx.tcx.inherent_impls(id).into_iter().flatten().any(|imp| {
             cx.tcx
                 .associated_items(*imp)
                 .filter_by_name_unhygienic(is_empty)

clippy_lints/src/loops/explicit_iter_loop.rs

@@ -118,7 +118,7 @@ fn is_ref_iterable<'tcx>(
             .liberate_late_bound_regions(fn_id, cx.tcx.fn_sig(fn_id).skip_binder())
         && let &[req_self_ty, req_res_ty] = &**sig.inputs_and_output
         && let param_env = cx.tcx.param_env(fn_id)
-        && implements_trait_with_env(cx.tcx, param_env, req_self_ty, trait_id, fn_id, &[])
+        && implements_trait_with_env(cx.tcx, param_env, req_self_ty, trait_id, Some(fn_id), &[])
         && let Some(into_iter_ty) =
             make_normalized_projection_with_regions(cx.tcx, param_env, trait_id, sym!(IntoIter), [req_self_ty])
         && let req_res_ty = normalize_with_regions(cx.tcx, param_env, req_res_ty)

clippy_lints/src/loops/manual_memcpy.rs

@@ -461,7 +461,7 @@ fn is_array_length_equal_to_range(cx: &LateContext<'_>, start: &Expr<'_>, end: &
         if let ExprKind::Lit(lit) = expr.kind
             && let ast::LitKind::Int(value, _) = lit.node
         {
-            Some(value)
+            Some(value.get())
         } else {
             None
         }

clippy_lints/src/loops/needless_range_loop.rs

@@ -209,8 +209,8 @@ fn is_end_eq_array_len<'tcx>(
         && let Some(arr_len) = arr_len_const.try_eval_target_usize(cx.tcx, cx.param_env)
     {
         return match limits {
-            ast::RangeLimits::Closed => end_int + 1 >= arr_len.into(),
+            ast::RangeLimits::Closed => end_int.get() + 1 >= arr_len.into(),
-            ast::RangeLimits::HalfOpen => end_int >= arr_len.into(),
+            ast::RangeLimits::HalfOpen => end_int.get() >= arr_len.into(),
         };
     }
 

clippy_lints/src/manual_bits.rs

@@ -3,6 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::get_parent_expr;
 use clippy_utils::source::snippet_with_context;
 use rustc_ast::ast::LitKind;
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind, GenericArg, QPath};
 use rustc_lint::{LateContext, LateLintPass, LintContext};
@@ -62,7 +63,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualBits {
             && let Some((real_ty, resolved_ty, other_expr)) = get_one_size_of_ty(cx, left_expr, right_expr)
             && matches!(resolved_ty.kind(), ty::Int(_) | ty::Uint(_))
             && let ExprKind::Lit(lit) = &other_expr.kind
-            && let LitKind::Int(8, _) = lit.node
+            && let LitKind::Int(Pu128(8), _) = lit.node
         {
             let mut app = Applicability::MachineApplicable;
             let ty_snip = snippet_with_context(cx, real_ty.span, ctxt, "..", &mut app).0;

clippy_lints/src/manual_range_patterns.rs

@@ -45,7 +45,7 @@ fn expr_as_i128(expr: &Expr<'_>) -> Option<i128> {
         && let LitKind::Int(num, _) = lit.node
     {
         // Intentionally not handling numbers greater than i128::MAX (for u128 literals) for now.
-        num.try_into().ok()
+        num.get().try_into().ok()
     } else {
         None
     }

clippy_lints/src/manual_strip.rs

@@ -161,7 +161,7 @@ fn eq_pattern_length<'tcx>(cx: &LateContext<'tcx>, pattern: &Expr<'_>, expr: &'t
         ..
     }) = expr.kind
     {
-        constant_length(cx, pattern).map_or(false, |length| length == *n)
+        constant_length(cx, pattern).map_or(false, |length| *n == length)
     } else {
         len_arg(cx, expr).map_or(false, |arg| eq_expr_value(cx, pattern, arg))
     }

clippy_lints/src/matches/match_same_arms.rs

@@ -11,7 +11,7 @@ use rustc_hir::{Arm, Expr, ExprKind, HirId, HirIdMap, HirIdMapEntry, HirIdSet, P
 use rustc_lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS;
 use rustc_lint::LateContext;
 use rustc_middle::ty;
-use rustc_span::Symbol;
+use rustc_span::{ErrorGuaranteed, Symbol};
 
 use super::MATCH_SAME_ARMS;
 
@@ -167,6 +167,8 @@ enum NormalizedPat<'a> {
     /// contains everything afterwards. Note that either side, or both sides, may contain zero
     /// patterns.
     Slice(&'a [Self], Option<&'a [Self]>),
+    /// A placeholder for a pattern that wasn't well formed in some way.
+    Err(ErrorGuaranteed),
 }
 
 #[derive(Clone, Copy)]
@@ -291,7 +293,7 @@ impl<'a> NormalizedPat<'a> {
                     LitKind::ByteStr(ref bytes, _) | LitKind::CStr(ref bytes, _) => Self::LitBytes(bytes),
                     LitKind::Byte(val) => Self::LitInt(val.into()),
                     LitKind::Char(val) => Self::LitInt(val.into()),
-                    LitKind::Int(val, _) => Self::LitInt(val),
+                    LitKind::Int(val, _) => Self::LitInt(val.get()),
                     LitKind::Bool(val) => Self::LitBool(val),
                     LitKind::Float(..) | LitKind::Err => Self::Wild,
                 },
@@ -303,7 +305,7 @@ impl<'a> NormalizedPat<'a> {
                     None => 0,
                     Some(e) => match &e.kind {
                         ExprKind::Lit(lit) => match lit.node {
-                            LitKind::Int(val, _) => val,
+                            LitKind::Int(val, _) => val.get(),
                             LitKind::Char(val) => val.into(),
                             LitKind::Byte(val) => val.into(),
                             _ => return Self::Wild,
@@ -315,7 +317,7 @@ impl<'a> NormalizedPat<'a> {
                     None => (u128::MAX, RangeEnd::Included),
                     Some(e) => match &e.kind {
                         ExprKind::Lit(lit) => match lit.node {
-                            LitKind::Int(val, _) => (val, bounds),
+                            LitKind::Int(val, _) => (val.get(), bounds),
                             LitKind::Char(val) => (val.into(), bounds),
                             LitKind::Byte(val) => (val.into(), bounds),
                             _ => return Self::Wild,
@@ -329,6 +331,7 @@ impl<'a> NormalizedPat<'a> {
                 arena.alloc_from_iter(front.iter().map(|pat| Self::from_pat(cx, arena, pat))),
                 wild_pat.map(|_| &*arena.alloc_from_iter(back.iter().map(|pat| Self::from_pat(cx, arena, pat)))),
             ),
+            PatKind::Err(guar) => Self::Err(guar),
         }
     }
 

clippy_lints/src/methods/get_first.rs

@@ -2,6 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::snippet_with_applicability;
 use clippy_utils::ty::is_type_diagnostic_item;
 use rustc_ast::LitKind;
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
@@ -20,7 +21,7 @@ pub(super) fn check<'tcx>(
         && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
         && let identity = cx.tcx.type_of(impl_id).instantiate_identity()
         && let hir::ExprKind::Lit(Spanned {
-            node: LitKind::Int(0, _),
+            node: LitKind::Int(Pu128(0), _),
             ..
         }) = arg.kind
     {

clippy_lints/src/methods/iter_out_of_bounds.rs

@@ -13,7 +13,7 @@ fn expr_as_u128(cx: &LateContext<'_>, e: &Expr<'_>) -> Option<u128> {
     if let ExprKind::Lit(lit) = expr_or_init(cx, e).kind
         && let LitKind::Int(n, _) = lit.node
     {
-        Some(n)
+        Some(n.get())
     } else {
         None
     }

clippy_lints/src/methods/or_fun_call.rs

@@ -73,7 +73,8 @@ pub(super) fn check<'tcx>(
         let has_suggested_method = receiver_ty.ty_adt_def().is_some_and(|adt_def| {
             cx.tcx
                 .inherent_impls(adt_def.did())
-                .iter()
+                .into_iter()
+                .flatten()
                 .flat_map(|impl_id| cx.tcx.associated_items(impl_id).filter_by_name_unhygienic(sugg))
                 .any(|assoc| {
                     assoc.fn_has_self_parameter

clippy_lints/src/methods/seek_from_current.rs

@@ -1,4 +1,5 @@
 use rustc_ast::ast::{LitIntType, LitKind};
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
@@ -41,7 +42,7 @@ fn arg_is_seek_from_current<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>)
         // check if argument of `SeekFrom::Current` is `0`
         if args.len() == 1
             && let ExprKind::Lit(lit) = args[0].kind
-            && let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node
+            && let LitKind::Int(Pu128(0), LitIntType::Unsuffixed) = lit.node
         {
             return true;
         }

clippy_lints/src/methods/seek_to_start_instead_of_rewind.rs

@@ -2,6 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::ty::implements_trait;
 use clippy_utils::{is_expr_used_or_unified, match_def_path, paths};
 use rustc_ast::ast::{LitIntType, LitKind};
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
@@ -31,7 +32,7 @@ pub(super) fn check<'tcx>(
         && match_def_path(cx, def_id, &paths::STD_IO_SEEKFROM_START)
         && args1.len() == 1
         && let ExprKind::Lit(lit) = args1[0].kind
-        && let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node
+        && let LitKind::Int(Pu128(0), LitIntType::Unsuffixed) = lit.node
     {
         let method_call_span = expr.span.with_lo(name_span.lo());
         span_lint_and_then(

clippy_lints/src/methods/unnecessary_fold.rs

@@ -2,6 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::snippet_with_applicability;
 use clippy_utils::{is_trait_method, path_to_local_id, peel_blocks, strip_pat_refs};
 use rustc_ast::ast;
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_hir::PatKind;
@@ -150,7 +151,7 @@ pub(super) fn check(
                     },
                 );
             },
-            ast::LitKind::Int(0, _) => check_fold_with_op(
+            ast::LitKind::Int(Pu128(0), _) => check_fold_with_op(
                 cx,
                 expr,
                 acc,
@@ -162,7 +163,7 @@ pub(super) fn check(
                     method_name: "sum",
                 },
             ),
-            ast::LitKind::Int(1, _) => {
+            ast::LitKind::Int(Pu128(1), _) => {
                 check_fold_with_op(
                     cx,
                     expr,

clippy_lints/src/methods/vec_resize_to_zero.rs

@@ -1,6 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::ty::is_type_diagnostic_item;
 use rustc_ast::LitKind;
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
@@ -20,7 +21,7 @@ pub(super) fn check<'tcx>(
         && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
         && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Vec)
         && let ExprKind::Lit(Spanned {
-            node: LitKind::Int(0, _),
+            node: LitKind::Int(Pu128(0), _),
             ..
         }) = count_arg.kind
         && let ExprKind::Lit(Spanned {

clippy_lints/src/missing_asserts_for_indexing.rs

@@ -7,6 +7,7 @@ use clippy_utils::source::snippet;
 use clippy_utils::visitors::for_each_expr;
 use clippy_utils::{eq_expr_value, hash_expr, higher};
 use rustc_ast::{LitKind, RangeLimits};
+use rustc_data_structures::packed::Pu128;
 use rustc_data_structures::unhash::UnhashMap;
 use rustc_errors::{Applicability, Diagnostic};
 use rustc_hir::{BinOp, Block, Body, Expr, ExprKind, UnOp};
@@ -102,8 +103,8 @@ fn len_comparison<'hir>(
 ) -> Option<(LengthComparison, usize, &'hir Expr<'hir>)> {
     macro_rules! int_lit_pat {
         ($id:ident) => {
-            ExprKind::Lit(Spanned {
+            ExprKind::Lit(&Spanned {
-                node: LitKind::Int($id, _),
+                node: LitKind::Int(Pu128($id), _),
                 ..
             })
         };
@@ -112,13 +113,13 @@ fn len_comparison<'hir>(
     // normalize comparison, `v.len() > 4` becomes `4 < v.len()`
     // this simplifies the logic a bit
     let (op, left, right) = normalize_comparison(bin_op.node, left, right)?;
-    match (op, &left.kind, &right.kind) {
+    match (op, left.kind, right.kind) {
-        (Rel::Lt, int_lit_pat!(left), _) => Some((LengthComparison::IntLessThanLength, *left as usize, right)),
+        (Rel::Lt, int_lit_pat!(left), _) => Some((LengthComparison::IntLessThanLength, left as usize, right)),
-        (Rel::Lt, _, int_lit_pat!(right)) => Some((LengthComparison::LengthLessThanInt, *right as usize, left)),
+        (Rel::Lt, _, int_lit_pat!(right)) => Some((LengthComparison::LengthLessThanInt, right as usize, left)),
-        (Rel::Le, int_lit_pat!(left), _) => Some((LengthComparison::IntLessThanOrEqualLength, *left as usize, right)),
+        (Rel::Le, int_lit_pat!(left), _) => Some((LengthComparison::IntLessThanOrEqualLength, left as usize, right)),
-        (Rel::Le, _, int_lit_pat!(right)) => Some((LengthComparison::LengthLessThanOrEqualInt, *right as usize, left)),
+        (Rel::Le, _, int_lit_pat!(right)) => Some((LengthComparison::LengthLessThanOrEqualInt, right as usize, left)),
-        (Rel::Eq, int_lit_pat!(left), _) => Some((LengthComparison::LengthEqualInt, *left as usize, right)),
+        (Rel::Eq, int_lit_pat!(left), _) => Some((LengthComparison::LengthEqualInt, left as usize, right)),
-        (Rel::Eq, _, int_lit_pat!(right)) => Some((LengthComparison::LengthEqualInt, *right as usize, left)),
+        (Rel::Eq, _, int_lit_pat!(right)) => Some((LengthComparison::LengthEqualInt, right as usize, left)),
         _ => None,
     }
 }
@@ -206,14 +207,14 @@ impl<'hir> IndexEntry<'hir> {
 /// for `..=5` this returns `Some(5)`
 fn upper_index_expr(expr: &Expr<'_>) -> Option<usize> {
     if let ExprKind::Lit(lit) = &expr.kind
-        && let LitKind::Int(index, _) = lit.node
+        && let LitKind::Int(Pu128(index), _) = lit.node
     {
         Some(index as usize)
     } else if let Some(higher::Range {
         end: Some(end), limits, ..
     }) = higher::Range::hir(expr)
         && let ExprKind::Lit(lit) = &end.kind
-        && let LitKind::Int(index @ 1.., _) = lit.node
+        && let LitKind::Int(Pu128(index @ 1..), _) = lit.node
     {
         match limits {
             RangeLimits::HalfOpen => Some(index as usize - 1),

clippy_lints/src/operators/arithmetic_side_effects.rs

@@ -151,7 +151,7 @@ impl ArithmeticSideEffects {
         if let hir::ExprKind::Lit(lit) = actual.kind
             && let ast::LitKind::Int(n, _) = lit.node
         {
-            return Some(n);
+            return Some(n.get());
         }
         if let Some(Constant::Int(n)) = constant(cx, cx.typeck_results(), expr) {
             return Some(n);

clippy_lints/src/operators/verbose_bit_mask.rs

@@ -1,6 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::sugg::Sugg;
 use rustc_ast::ast::LitKind;
+use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind};
 use rustc_lint::LateContext;
@@ -19,9 +20,9 @@ pub(super) fn check<'tcx>(
         && let ExprKind::Binary(op1, left1, right1) = &left.kind
         && BinOpKind::BitAnd == op1.node
         && let ExprKind::Lit(lit) = &right1.kind
-        && let LitKind::Int(n, _) = lit.node
+        && let LitKind::Int(Pu128(n), _) = lit.node
         && let ExprKind::Lit(lit1) = &right.kind
-        && let LitKind::Int(0, _) = lit1.node
+        && let LitKind::Int(Pu128(0), _) = lit1.node
         && n.leading_zeros() == n.count_zeros()
         && n > u128::from(threshold)
     {

clippy_lints/src/redundant_clone.rs

@@ -257,9 +257,9 @@ fn is_call_with_ref_arg<'tcx>(
         ..
     } = kind
         && args.len() == 1
-        && let mir::Operand::Move(mir::Place { local, .. }) = &args[0]
+        && let mir::Operand::Move(mir::Place { local, .. }) = &args[0].node
         && let ty::FnDef(def_id, _) = *func.ty(mir, cx.tcx).kind()
-        && let (inner_ty, 1) = walk_ptrs_ty_depth(args[0].ty(mir, cx.tcx))
+        && let (inner_ty, 1) = walk_ptrs_ty_depth(args[0].node.ty(mir, cx.tcx))
         && !is_copy(cx, inner_ty)
     {
         Some((def_id, *local, inner_ty, destination.as_local()?))

clippy_lints/src/redundant_closure_call.rs

@@ -5,7 +5,9 @@ use clippy_utils::sugg::Sugg;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_hir::intravisit::{Visitor as HirVisitor, Visitor};
-use rustc_hir::{intravisit as hir_visit, ClosureKind, CoroutineDesugaring, CoroutineKind, CoroutineSource, Node};
+use rustc_hir::{
+    intravisit as hir_visit, ClosureKind, CoroutineDesugaring, CoroutineKind, CoroutineSource, ExprKind, Node,
+};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::hir::nested_filter;
 use rustc_middle::lint::in_external_macro;
@@ -166,10 +168,22 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClosureCall {
                         if coroutine_kind.is_async()
                             && let hir::ExprKind::Closure(closure) = body.kind
                         {
-                            let async_closure_body = cx.tcx.hir().body(closure.body);
+                            // Like `async fn`, async closures are wrapped in an additional block
+                            // to move all of the closure's arguments into the future.
+
+                            let async_closure_body = cx.tcx.hir().body(closure.body).value;
+                            let ExprKind::Block(block, _) = async_closure_body.kind else {
+                                return;
+                            };
+                            let Some(block_expr) = block.expr else {
+                                return;
+                            };
+                            let ExprKind::DropTemps(body_expr) = block_expr.kind else {
+                                return;
+                            };
 
                             // `async x` is a syntax error, so it becomes `async { x }`
-                            if !matches!(async_closure_body.value.kind, hir::ExprKind::Block(_, _)) {
+                            if !matches!(body_expr.kind, hir::ExprKind::Block(_, _)) {
                                 hint = hint.blockify();
                             }
 

clippy_lints/src/types/mod.rs

@@ -314,9 +314,9 @@ impl_lint_pass!(Types => [BOX_COLLECTION, VEC_BOX, OPTION_OPTION, LINKEDLIST, BO
 impl<'tcx> LateLintPass<'tcx> for Types {
     fn check_fn(
         &mut self,
-        cx: &LateContext<'_>,
+        cx: &LateContext<'tcx>,
         fn_kind: FnKind<'_>,
-        decl: &FnDecl<'_>,
+        decl: &FnDecl<'tcx>,
         _: &Body<'_>,
         _: Span,
         def_id: LocalDefId,
@@ -346,7 +346,7 @@ impl<'tcx> LateLintPass<'tcx> for Types {
         );
     }
 
-    fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
+    fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) {
         let is_exported = cx.effective_visibilities.is_exported(item.owner_id.def_id);
 
         match item.kind {
@@ -363,7 +363,7 @@ impl<'tcx> LateLintPass<'tcx> for Types {
         }
     }
 
-    fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) {
+    fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'tcx>) {
         match item.kind {
             ImplItemKind::Const(ty, _) => {
                 let is_in_trait_impl = if let Some(hir::Node::Item(item)) = cx
@@ -391,7 +391,7 @@ impl<'tcx> LateLintPass<'tcx> for Types {
         }
     }
 
-    fn check_field_def(&mut self, cx: &LateContext<'_>, field: &hir::FieldDef<'_>) {
+    fn check_field_def(&mut self, cx: &LateContext<'tcx>, field: &hir::FieldDef<'tcx>) {
         let is_exported = cx.effective_visibilities.is_exported(field.def_id);
 
         self.check_ty(
@@ -404,7 +404,7 @@ impl<'tcx> LateLintPass<'tcx> for Types {
         );
     }
 
-    fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &TraitItem<'_>) {
+    fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &TraitItem<'tcx>) {
         let is_exported = cx.effective_visibilities.is_exported(item.owner_id.def_id);
 
         let context = CheckTyContext {
@@ -421,7 +421,7 @@ impl<'tcx> LateLintPass<'tcx> for Types {
         }
     }
 
-    fn check_local(&mut self, cx: &LateContext<'_>, local: &Local<'_>) {
+    fn check_local(&mut self, cx: &LateContext<'tcx>, local: &Local<'tcx>) {
         if let Some(ty) = local.ty {
             self.check_ty(
                 cx,
@@ -444,7 +444,7 @@ impl Types {
         }
     }
 
-    fn check_fn_decl(&mut self, cx: &LateContext<'_>, decl: &FnDecl<'_>, context: CheckTyContext) {
+    fn check_fn_decl<'tcx>(&mut self, cx: &LateContext<'tcx>, decl: &FnDecl<'tcx>, context: CheckTyContext) {
         // Ignore functions in trait implementations as they are usually forced by the trait definition.
         //
         // FIXME: ideally we would like to warn *if the complicated type can be simplified*, but it's hard
@@ -466,7 +466,7 @@ impl Types {
     /// lint found.
     ///
     /// The parameter `is_local` distinguishes the context of the type.
-    fn check_ty(&mut self, cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, mut context: CheckTyContext) {
+    fn check_ty<'tcx>(&mut self, cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'tcx>, mut context: CheckTyContext) {
         if hir_ty.span.from_expansion() {
             return;
         }

clippy_lints/src/types/redundant_allocation.rs

@@ -11,7 +11,7 @@ use rustc_span::symbol::sym;
 
 use super::{utils, REDUNDANT_ALLOCATION};
 
-pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_>, def_id: DefId) -> bool {
+pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'tcx>, qpath: &QPath<'tcx>, def_id: DefId) -> bool {
     let mut applicability = Applicability::MaybeIncorrect;
     let outer_sym = if Some(def_id) == cx.tcx.lang_items().owned_box() {
         "Box"

clippy_lints/src/types/vec_box.rs

@@ -13,10 +13,10 @@ use rustc_span::symbol::sym;
 
 use super::VEC_BOX;
 
-pub(super) fn check(
+pub(super) fn check<'tcx>(
-    cx: &LateContext<'_>,
+    cx: &LateContext<'tcx>,
     hir_ty: &hir::Ty<'_>,
-    qpath: &QPath<'_>,
+    qpath: &QPath<'tcx>,
     def_id: DefId,
     box_size_threshold: u64,
 ) -> bool {

clippy_lints/src/unconditional_recursion.rs

@@ -77,7 +77,7 @@ fn get_ty_def_id(ty: Ty<'_>) -> Option<DefId> {
     }
 }
 
-fn get_hir_ty_def_id(tcx: TyCtxt<'_>, hir_ty: rustc_hir::Ty<'_>) -> Option<DefId> {
+fn get_hir_ty_def_id<'tcx>(tcx: TyCtxt<'tcx>, hir_ty: rustc_hir::Ty<'tcx>) -> Option<DefId> {
     let TyKind::Path(qpath) = hir_ty.kind else { return None };
     match qpath {
         QPath::Resolved(_, path) => path.res.opt_def_id(),
@@ -237,7 +237,7 @@ fn check_to_string(cx: &LateContext<'_>, method_span: Span, method_def_id: Local
     }
 }
 
-fn is_default_method_on_current_ty(tcx: TyCtxt<'_>, qpath: QPath<'_>, implemented_ty_id: DefId) -> bool {
+fn is_default_method_on_current_ty<'tcx>(tcx: TyCtxt<'tcx>, qpath: QPath<'tcx>, implemented_ty_id: DefId) -> bool {
     match qpath {
         QPath::Resolved(_, path) => match path.segments {
             [first, .., last] => last.ident.name == kw::Default && first.res.opt_def_id() == Some(implemented_ty_id),

clippy_lints/src/uninhabited_references.rs

@@ -57,11 +57,11 @@ impl LateLintPass<'_> for UninhabitedReferences {
         }
     }
 
-    fn check_fn(
+    fn check_fn<'tcx>(
         &mut self,
-        cx: &LateContext<'_>,
+        cx: &LateContext<'tcx>,
         kind: FnKind<'_>,
-        fndecl: &'_ FnDecl<'_>,
+        fndecl: &'_ FnDecl<'tcx>,
         _: &'_ Body<'_>,
         span: Span,
         _: LocalDefId,

clippy_lints/src/unnested_or_patterns.rs

@@ -226,7 +226,7 @@ fn transform_with_focus_on_idx(alternatives: &mut ThinVec<P<Pat>>, focus_idx: us
         // Therefore they are not some form of constructor `C`,
         // with which a pattern `C(p_0)` may be formed,
         // which we would want to join with other `C(p_j)`s.
-        Ident(.., None) | Lit(_) | Wild | Never | Path(..) | Range(..) | Rest | MacCall(_)
+        Ident(.., None) | Lit(_) | Wild | Err(_) | Never | Path(..) | Range(..) | Rest | MacCall(_)
         // Skip immutable refs, as grouping them saves few characters,
         // and almost always requires adding parens (increasing noisiness).
         // In the case of only two patterns, replacement adds net characters.

clippy_lints/src/use_self.rs

@@ -207,7 +207,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf {
         }
     }
 
-    fn check_ty(&mut self, cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>) {
+    fn check_ty(&mut self, cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'tcx>) {
         if !hir_ty.span.from_expansion()
             && self.msrv.meets(msrvs::TYPE_ALIAS_ENUM_VARIANTS)
             && let Some(&StackItem::Check {

clippy_lints/src/utils/author.rs

@@ -710,6 +710,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
                 self.slice(start, |pat| self.pat(pat));
                 self.slice(end, |pat| self.pat(pat));
             },
+            PatKind::Err(_) => kind!("Err"),
         }
     }
 

clippy_lints/src/utils/internal_lints/compiler_lint_functions.rs

@@ -41,7 +41,6 @@ impl CompilerLintFunctions {
     pub fn new() -> Self {
         let mut map = FxHashMap::default();
         map.insert("span_lint", "utils::span_lint");
-        map.insert("struct_span_lint", "utils::span_lint");
         map.insert("lint", "utils::span_lint");
         map.insert("span_lint_note", "utils::span_lint_and_note");
         map.insert("span_lint_help", "utils::span_lint_and_help");

clippy_lints/src/utils/internal_lints/invalid_paths.rs

@@ -71,7 +71,9 @@ pub fn check_path(cx: &LateContext<'_>, path: &[&str]) -> bool {
         SimplifiedType::Str,
     ]
     .iter()
-    .flat_map(|&ty| cx.tcx.incoherent_impls(ty).iter().copied());
+    .flat_map(|&ty| cx.tcx.incoherent_impls(ty).into_iter())
+    .flatten()
+    .copied();
     for item_def_id in lang_items.iter().map(|(_, def_id)| def_id).chain(incoherent_impls) {
         let lang_item_path = cx.get_def_path(item_def_id);
         if path_syms.starts_with(&lang_item_path) {

clippy_lints/src/zero_sized_map_values.rs

@@ -44,7 +44,7 @@ declare_clippy_lint! {
 declare_lint_pass!(ZeroSizedMapValues => [ZERO_SIZED_MAP_VALUES]);
 
 impl LateLintPass<'_> for ZeroSizedMapValues {
-    fn check_ty(&mut self, cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>) {
+    fn check_ty<'tcx>(&mut self, cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'tcx>) {
         if !hir_ty.span.from_expansion()
             && !in_trait_impl(cx, hir_ty.hir_id)
             && let ty = ty_from_hir_ty(cx, hir_ty)
@@ -82,7 +82,7 @@ fn in_trait_impl(cx: &LateContext<'_>, hir_id: HirId) -> bool {
     false
 }
 
-fn ty_from_hir_ty<'tcx>(cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'_>) -> Ty<'tcx> {
+fn ty_from_hir_ty<'tcx>(cx: &LateContext<'tcx>, hir_ty: &hir::Ty<'tcx>) -> Ty<'tcx> {
     cx.maybe_typeck_results()
         .and_then(|results| {
             if results.hir_owner == hir_ty.hir_id.owner {

clippy_utils/src/consts.rs

@@ -275,7 +275,7 @@ pub fn lit_to_mir_constant<'tcx>(lit: &LitKind, ty: Option<Ty<'tcx>>) -> Constan
         LitKind::Byte(b) => Constant::Int(u128::from(b)),
         LitKind::ByteStr(ref s, _) | LitKind::CStr(ref s, _) => Constant::Binary(Lrc::clone(s)),
         LitKind::Char(c) => Constant::Char(c),
-        LitKind::Int(n, _) => Constant::Int(n),
+        LitKind::Int(n, _) => Constant::Int(n.get()),
         LitKind::Float(ref is, LitFloatType::Suffixed(fty)) => match fty {
             ast::FloatTy::F32 => Constant::F32(is.as_str().parse().unwrap()),
             ast::FloatTy::F64 => Constant::F64(is.as_str().parse().unwrap()),

clippy_utils/src/diagnostics.rs

@@ -47,7 +47,7 @@ fn docs_link(diag: &mut Diagnostic, lint: &'static Lint) {
 /// ```
 pub fn span_lint<T: LintContext>(cx: &T, lint: &'static Lint, sp: impl Into<MultiSpan>, msg: &str) {
     #[expect(clippy::disallowed_methods)]
-    cx.struct_span_lint(lint, sp, msg.to_string(), |diag| {
+    cx.span_lint(lint, sp, msg.to_string(), |diag| {
         docs_link(diag, lint);
     });
 }
@@ -81,7 +81,7 @@ pub fn span_lint_and_help<T: LintContext>(
     help: &str,
 ) {
     #[expect(clippy::disallowed_methods)]
-    cx.struct_span_lint(lint, span, msg.to_string(), |diag| {
+    cx.span_lint(lint, span, msg.to_string(), |diag| {
         let help = help.to_string();
         if let Some(help_span) = help_span {
             diag.span_help(help_span, help);
@@ -124,7 +124,7 @@ pub fn span_lint_and_note<T: LintContext>(
     note: &str,
 ) {
     #[expect(clippy::disallowed_methods)]
-    cx.struct_span_lint(lint, span, msg.to_string(), |diag| {
+    cx.span_lint(lint, span, msg.to_string(), |diag| {
         let note = note.to_string();
         if let Some(note_span) = note_span {
             diag.span_note(note_span, note);
@@ -146,7 +146,7 @@ where
     F: FnOnce(&mut Diagnostic),
 {
     #[expect(clippy::disallowed_methods)]
-    cx.struct_span_lint(lint, sp, msg.to_string(), |diag| {
+    cx.span_lint(lint, sp, msg.to_string(), |diag| {
         f(diag);
         docs_link(diag, lint);
     });
@@ -154,7 +154,7 @@ where
 
 pub fn span_lint_hir(cx: &LateContext<'_>, lint: &'static Lint, hir_id: HirId, sp: Span, msg: &str) {
     #[expect(clippy::disallowed_methods)]
-    cx.tcx.struct_span_lint_hir(lint, hir_id, sp, msg.to_string(), |diag| {
+    cx.tcx.node_span_lint(lint, hir_id, sp, msg.to_string(), |diag| {
         docs_link(diag, lint);
     });
 }
@@ -168,7 +168,7 @@ pub fn span_lint_hir_and_then(
     f: impl FnOnce(&mut Diagnostic),
 ) {
     #[expect(clippy::disallowed_methods)]
-    cx.tcx.struct_span_lint_hir(lint, hir_id, sp, msg.to_string(), |diag| {
+    cx.tcx.node_span_lint(lint, hir_id, sp, msg.to_string(), |diag| {
         f(diag);
         docs_link(diag, lint);
     });

clippy_utils/src/hir_utils.rs

@@ -1007,7 +1007,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
                 }
                 e.hash(&mut self.s);
             },
-            PatKind::Never | PatKind::Wild => {},
+            PatKind::Never | PatKind::Wild | PatKind::Err(_) => {},
         }
     }
 
@@ -1108,7 +1108,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
             TyKind::Typeof(anon_const) => {
                 self.hash_body(anon_const.body);
             },
-            TyKind::Err(_) | TyKind::Infer | TyKind::Never => {},
+            TyKind::Err(_) | TyKind::Infer | TyKind::Never | TyKind::InferDelegation(..) => {},
         }
     }
 

clippy_utils/src/lib.rs

@@ -80,6 +80,7 @@ use std::sync::{Mutex, MutexGuard, OnceLock};
 use itertools::Itertools;
 use rustc_ast::ast::{self, LitKind, RangeLimits};
 use rustc_data_structures::fx::FxHashMap;
+use rustc_data_structures::packed::Pu128;
 use rustc_data_structures::unhash::UnhashMap;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, LocalModDefId, LOCAL_CRATE};
@@ -534,10 +535,16 @@ fn find_primitive_impls<'tcx>(tcx: TyCtxt<'tcx>, name: &str) -> impl Iterator<It
         "u128" => SimplifiedType::Uint(UintTy::U128),
         "f32" => SimplifiedType::Float(FloatTy::F32),
         "f64" => SimplifiedType::Float(FloatTy::F64),
-        _ => return [].iter().copied(),
+        #[allow(trivial_casts)]
+        _ => {
+            return Result::<_, rustc_errors::ErrorGuaranteed>::Ok(&[] as &[_])
+                .into_iter()
+                .flatten()
+                .copied();
+        },
     };
 
-    tcx.incoherent_impls(ty).iter().copied()
+    tcx.incoherent_impls(ty).into_iter().flatten().copied()
 }
 
 fn non_local_item_children_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Vec<Res> {
@@ -663,7 +670,8 @@ pub fn def_path_res(cx: &LateContext<'_>, path: &[&str]) -> Vec<Res> {
                 // `impl S { ... }`
                 let inherent_impl_children = tcx
                     .inherent_impls(def_id)
-                    .iter()
+                    .into_iter()
+                    .flatten()
                     .flat_map(|&impl_def_id| item_children_by_name(tcx, impl_def_id, segment));
 
                 let direct_children = item_children_by_name(tcx, def_id, segment);
@@ -836,7 +844,7 @@ pub fn is_default_equivalent_call(cx: &LateContext<'_>, repl_func: &Expr<'_>) ->
 pub fn is_default_equivalent(cx: &LateContext<'_>, e: &Expr<'_>) -> bool {
     match &e.kind {
         ExprKind::Lit(lit) => match lit.node {
-            LitKind::Bool(false) | LitKind::Int(0, _) => true,
+            LitKind::Bool(false) | LitKind::Int(Pu128(0), _) => true,
             LitKind::Str(s, _) => s.is_empty(),
             _ => false,
         },
@@ -1709,7 +1717,6 @@ pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool {
         PatKind::Wild | PatKind::Never => false, // If `!` typechecked then the type is empty, so not refutable.
         PatKind::Binding(_, _, _, pat) => pat.map_or(false, |pat| is_refutable(cx, pat)),
         PatKind::Box(pat) | PatKind::Ref(pat, _) => is_refutable(cx, pat),
-        PatKind::Lit(..) | PatKind::Range(..) => true,
         PatKind::Path(ref qpath) => is_enum_variant(cx, qpath, pat.hir_id),
         PatKind::Or(pats) => {
             // TODO: should be the honest check, that pats is exhaustive set
@@ -1733,6 +1740,7 @@ pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool {
                 },
             }
         },
+        PatKind::Lit(..) | PatKind::Range(..) | PatKind::Err(_) => true,
     }
 }
 

clippy_utils/src/mir/possible_borrower.rs

@@ -104,7 +104,7 @@ impl<'a, 'b, 'tcx> mir::visit::Visitor<'tcx> for PossibleBorrowerVisitor<'a, 'b,
             let mut mutable_borrowers = vec![];
 
             for op in args {
-                match op {
+                match &op.node {
                     mir::Operand::Copy(p) | mir::Operand::Move(p) => {
                         if let ty::Ref(_, _, Mutability::Mut) = self.body.local_decls[p.local].ty.kind() {
                             mutable_borrowers.push(p.local);

clippy_utils/src/qualify_min_const_fn.rs

@@ -345,7 +345,7 @@ fn check_terminator<'tcx>(
                 check_operand(tcx, func, span, body)?;
 
                 for arg in args {
-                    check_operand(tcx, arg, span, body)?;
+                    check_operand(tcx, &arg.node, span, body)?;
                 }
                 Ok(())
             } else {

clippy_utils/src/ty.rs

@@ -214,36 +214,22 @@ pub fn implements_trait<'tcx>(
     trait_id: DefId,
     args: &[GenericArg<'tcx>],
 ) -> bool {
-    let callee_id = cx
+    implements_trait_with_env_from_iter(cx.tcx, cx.param_env, ty, trait_id, None, args.iter().map(|&x| Some(x)))
-        .enclosing_body
-        .map(|body| cx.tcx.hir().body_owner(body).owner.to_def_id());
-    implements_trait_with_env_from_iter(
-        cx.tcx,
-        cx.param_env,
-        ty,
-        trait_id,
-        callee_id,
-        args.iter().map(|&x| Some(x)),
-    )
 }
 
 /// Same as `implements_trait` but allows using a `ParamEnv` different from the lint context.
+///
+/// The `callee_id` argument is used to determine whether this is a function call in a `const fn`
+/// environment, used for checking const traits.
 pub fn implements_trait_with_env<'tcx>(
     tcx: TyCtxt<'tcx>,
     param_env: ParamEnv<'tcx>,
     ty: Ty<'tcx>,
     trait_id: DefId,
-    callee_id: DefId,
+    callee_id: Option<DefId>,
     args: &[GenericArg<'tcx>],
 ) -> bool {
-    implements_trait_with_env_from_iter(
+    implements_trait_with_env_from_iter(tcx, param_env, ty, trait_id, callee_id, args.iter().map(|&x| Some(x)))
-        tcx,
-        param_env,
-        ty,
-        trait_id,
-        Some(callee_id),
-        args.iter().map(|&x| Some(x)),
-    )
 }
 
 /// Same as `implements_trait_from_env` but takes the arguments as an iterator.
@@ -258,6 +244,13 @@ pub fn implements_trait_with_env_from_iter<'tcx>(
     // Clippy shouldn't have infer types
     assert!(!ty.has_infer());
 
+    // If a `callee_id` is passed, then we assert that it is a body owner
+    // through calling `body_owner_kind`, which would panic if the callee
+    // does not have a body.
+    if let Some(callee_id) = callee_id {
+        let _ = tcx.hir().body_owner_kind(callee_id);
+    }
+
     let ty = tcx.erase_regions(ty);
     if ty.has_escaping_bound_vars() {
         return false;

rust-toolchain

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2024-01-11"
+channel = "nightly-2024-01-25"
 components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"]

tests/ui-internal/disallow_span_lint.rs

@@ -11,7 +11,7 @@ use rustc_lint::{Lint, LintContext};
 use rustc_middle::ty::TyCtxt;
 
 pub fn a(cx: impl LintContext, lint: &'static Lint, span: impl Into<MultiSpan>, msg: impl Into<DiagnosticMessage>) {
-    cx.struct_span_lint(lint, span, msg, |_| {});
+    cx.span_lint(lint, span, msg, |_| {});
 }
 
 pub fn b(
@@ -21,7 +21,7 @@ pub fn b(
     span: impl Into<MultiSpan>,
     msg: impl Into<DiagnosticMessage>,
 ) {
-    tcx.struct_span_lint_hir(lint, hir_id, span, msg, |_| {});
+    tcx.node_span_lint(lint, hir_id, span, msg, |_| {});
 }
 
 fn main() {}

tests/ui-internal/disallow_span_lint.stderr

@@ -0,0 +1,17 @@
+error: use of a disallowed method `rustc_lint::context::LintContext::span_lint`
+  --> $DIR/disallow_span_lint.rs:14:5
+   |
+LL |     cx.span_lint(lint, span, msg, |_| {});
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `-D clippy::disallowed-methods` implied by `-D warnings`
+   = help: to override `-D warnings` add `#[allow(clippy::disallowed_methods)]`
+
+error: use of a disallowed method `rustc_middle::ty::context::TyCtxt::node_span_lint`
+  --> $DIR/disallow_span_lint.rs:24:5
+   |
+LL |     tcx.node_span_lint(lint, hir_id, span, msg, |_| {});
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+

tests/ui-internal/disallow_struct_span_lint.stderr

@@ -1,17 +0,0 @@
-error: use of a disallowed method `rustc_lint::context::LintContext::struct_span_lint`
-  --> $DIR/disallow_struct_span_lint.rs:14:5
-   |
-LL |     cx.struct_span_lint(lint, span, msg, |_| {});
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: `-D clippy::disallowed-methods` implied by `-D warnings`
-   = help: to override `-D warnings` add `#[allow(clippy::disallowed_methods)]`
-
-error: use of a disallowed method `rustc_middle::ty::context::TyCtxt::struct_span_lint_hir`
-  --> $DIR/disallow_struct_span_lint.rs:24:5
-   |
-LL |     tcx.struct_span_lint_hir(lint, hir_id, span, msg, |_| {});
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to 2 previous errors
-

tests/ui/author/blocks.stdout

@@ -48,7 +48,11 @@ if let ExprKind::Closure { capture_clause: CaptureBy::Value { .. }, fn_decl: fn_
     && expr2 = &cx.tcx.hir().body(body_id1).value
     && let ExprKind::Block(block, None) = expr2.kind
     && block.stmts.is_empty()
-    && block.expr.is_none()
+    && let Some(trailing_expr) = block.expr
+    && let ExprKind::DropTemps(expr3) = trailing_expr.kind
+    && let ExprKind::Block(block1, None) = expr3.kind
+    && block1.stmts.is_empty()
+    && block1.expr.is_none()
 {
     // report your lint here
 }

tests/ui/let_underscore_lock.rs

@@ -26,6 +26,7 @@ fn main() {
     let _ = p_rw;
 }
 
+#[allow(let_underscore_lock)]
 fn uplifted() {
     // shouldn't lint std locks as they were uplifted as rustc's `let_underscore_lock`
 

tests/ui/unknown_clippy_lints.fixed

@@ -7,10 +7,12 @@
 #[warn(clippy::if_not_else)]
 #[warn(clippy::unnecessary_cast)]
 #[warn(clippy::useless_transmute)]
-// Shouldn't suggest rustc lint name(`dead_code`)
+// Should suggest rustc lint name(`dead_code`)
-#[warn(clippy::eq_op)]
+#[warn(dead_code)]
 // Shouldn't suggest removed/deprecated clippy lint name(`unused_collect`)
 #[warn(clippy::unused_self)]
 // Shouldn't suggest renamed clippy lint name(`const_static_lifetime`)
 #[warn(clippy::redundant_static_lifetimes)]
+// issue #118183, should report `missing_docs` from rustc lint
+#[warn(missing_docs)]
 fn main() {}

tests/ui/unknown_clippy_lints.rs

@@ -7,10 +7,12 @@
 #[warn(clippy::if_not_els)]
 #[warn(clippy::UNNecsaRy_cAst)]
 #[warn(clippy::useles_transute)]
-// Shouldn't suggest rustc lint name(`dead_code`)
+// Should suggest rustc lint name(`dead_code`)
 #[warn(clippy::dead_cod)]
 // Shouldn't suggest removed/deprecated clippy lint name(`unused_collect`)
 #[warn(clippy::unused_colle)]
 // Shouldn't suggest renamed clippy lint name(`const_static_lifetime`)
 #[warn(clippy::const_static_lifetim)]
+// issue #118183, should report `missing_docs` from rustc lint
+#[warn(clippy::missing_docs)]
 fn main() {}

tests/ui/unknown_clippy_lints.stderr

@@ -35,7 +35,12 @@ error: unknown lint: `clippy::dead_cod`
   --> $DIR/unknown_clippy_lints.rs:11:8
    |
 LL | #[warn(clippy::dead_cod)]
-   |        ^^^^^^^^^^^^^^^^ help: did you mean: `clippy::eq_op`
+   |        ^^^^^^^^^^^^^^^^
+   |
+help: a lint with a similar name exists in `rustc` lints
+   |
+LL | #[warn(dead_code)]
+   |        ~~~~~~~~~
 
 error: unknown lint: `clippy::unused_colle`
   --> $DIR/unknown_clippy_lints.rs:13:8
@@ -49,5 +54,16 @@ error: unknown lint: `clippy::const_static_lifetim`
 LL | #[warn(clippy::const_static_lifetim)]
    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::redundant_static_lifetimes`
 
-error: aborting due to 8 previous errors
+error: unknown lint: `clippy::missing_docs`
+  --> $DIR/unknown_clippy_lints.rs:17:8
+   |
+LL | #[warn(clippy::missing_docs)]
+   |        ^^^^^^^^^^^^^^^^^^^^
+   |
+help: a lint with a similar name exists in `rustc` lints
+   |
+LL | #[warn(missing_docs)]
+   |        ~~~~~~~~~~~~
+
+error: aborting due to 9 previous errors