Auto merge of #12632 - flip1995:rustup, r=flip1995

Rustup

r? `@ghost`

changelog: none

9 files changed, 52 insertions, 48 deletions

diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs
index 93b0913a6b7..f594a40ff59 100644
--- a/clippy_utils/src/ast_utils.rs
+++ b/clippy_utils/src/ast_utils.rs
@@ -198,7 +198,7 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool {
         },
         (AssignOp(lo, lp, lv), AssignOp(ro, rp, rv)) => lo.node == ro.node && eq_expr(lp, rp) && eq_expr(lv, rv),
         (Field(lp, lf), Field(rp, rf)) => eq_id(*lf, *rf) && eq_expr(lp, rp),
-        (Match(ls, la), Match(rs, ra)) => eq_expr(ls, rs) && over(la, ra, eq_arm),
+        (Match(ls, la, lkind), Match(rs, ra, rkind)) => (lkind == rkind) && eq_expr(ls, rs) && over(la, ra, eq_arm),
         (
             Closure(box ast::Closure {
                 binder: lb,
diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs
index cd22174f5c2..253ae3aca68 100644
--- a/clippy_utils/src/consts.rs
+++ b/clippy_utils/src/consts.rs
@@ -17,7 +17,7 @@ use rustc_span::def_id::DefId;
 use rustc_span::symbol::{Ident, Symbol};
 use rustc_span::SyntaxContext;
 use rustc_target::abi::Size;
-use std::cmp::Ordering::{self, Equal};
+use std::cmp::Ordering;
 use std::hash::{Hash, Hasher};
 use std::iter;
 
@@ -207,7 +207,7 @@ impl<'tcx> Constant<'tcx> {
                     .zip(r)
                     .zip(tys)
                     .map(|((li, ri), cmp_type)| Self::partial_cmp(tcx, cmp_type, li, ri))
-                    .find(|r| r.map_or(true, |o| o != Equal))
+                    .find(|r| r.map_or(true, |o| o != Ordering::Equal))
                     .unwrap_or_else(|| Some(l.len().cmp(&r.len()))),
                 _ => None,
             },
@@ -217,7 +217,7 @@ impl<'tcx> Constant<'tcx> {
                 };
                 iter::zip(l, r)
                     .map(|(li, ri)| Self::partial_cmp(tcx, cmp_type, li, ri))
-                    .find(|r| r.map_or(true, |o| o != Equal))
+                    .find(|r| r.map_or(true, |o| o != Ordering::Equal))
                     .unwrap_or_else(|| Some(l.len().cmp(&r.len())))
             },
             (Self::Repeat(lv, ls), Self::Repeat(rv, rs)) => {
@@ -230,7 +230,7 @@ impl<'tcx> Constant<'tcx> {
                     lv,
                     rv,
                 ) {
-                    Some(Equal) => Some(ls.cmp(rs)),
+                    Some(Ordering::Equal) => Some(ls.cmp(rs)),
                     x => x,
                 }
             },
@@ -361,7 +361,7 @@ pub enum FullInt {
 impl PartialEq for FullInt {
     #[must_use]
     fn eq(&self, other: &Self) -> bool {
-        self.cmp(other) == Equal
+        self.cmp(other) == Ordering::Equal
     }
 }
 
@@ -819,7 +819,7 @@ pub fn mir_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::Const<'tcx>) ->
             ty::Float(FloatTy::F64) => Some(Constant::F64(f64::from_bits(
                 int.try_into().expect("invalid f64 bit representation"),
             ))),
-            ty::RawPtr(_) => Some(Constant::RawPtr(int.assert_bits(int.size()))),
+            ty::RawPtr(_, _) => Some(Constant::RawPtr(int.assert_bits(int.size()))),
             _ => None,
         },
         (_, ty::Ref(_, inner_ty, _)) if matches!(inner_ty.kind(), ty::Str) => {
diff --git a/clippy_utils/src/higher.rs b/clippy_utils/src/higher.rs
index 9f69941cfc7..801a9852159 100644
--- a/clippy_utils/src/higher.rs
+++ b/clippy_utils/src/higher.rs
@@ -102,7 +102,7 @@ impl<'hir> IfLet<'hir> {
         if let ExprKind::If(
             Expr {
                 kind:
-                    ExprKind::Let(&hir::Let {
+                    ExprKind::Let(&hir::LetExpr {
                         pat: let_pat,
                         init: let_expr,
                         span: let_span,
@@ -379,7 +379,7 @@ impl<'hir> WhileLet<'hir> {
                             ExprKind::If(
                                 Expr {
                                     kind:
-                                        ExprKind::Let(&hir::Let {
+                                        ExprKind::Let(&hir::LetExpr {
                                             pat: let_pat,
                                             init: let_expr,
                                             span: let_span,
diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs
index 106d1d0d77f..f8bbe997774 100644
--- a/clippy_utils/src/hir_utils.rs
+++ b/clippy_utils/src/hir_utils.rs
@@ -8,7 +8,7 @@ use rustc_hir::def::Res;
 use rustc_hir::MatchSource::TryDesugar;
 use rustc_hir::{
     ArrayLen, BinOpKind, BindingAnnotation, Block, BodyId, Closure, Expr, ExprField, ExprKind, FnRetTy, GenericArg,
-    GenericArgs, HirId, HirIdMap, InlineAsmOperand, Let, Lifetime, LifetimeName, Pat, PatField, PatKind, Path,
+    GenericArgs, HirId, HirIdMap, InlineAsmOperand, LetExpr, Lifetime, LifetimeName, Pat, PatField, PatKind, Path,
     PathSegment, PrimTy, QPath, Stmt, StmtKind, Ty, TyKind, TypeBinding,
 };
 use rustc_lexer::{tokenize, TokenKind};
@@ -837,7 +837,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
                     }
                 }
             },
-            ExprKind::Let(Let { pat, init, ty, .. }) => {
+            ExprKind::Let(LetExpr { pat, init, ty, .. }) => {
                 self.hash_expr(init);
                 if let Some(ty) = ty {
                     self.hash_ty(ty);
@@ -954,7 +954,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
                     self.hash_pat(pat);
                 }
             },
-            PatKind::Box(pat) => self.hash_pat(pat),
+            PatKind::Box(pat) | PatKind::Deref(pat) => self.hash_pat(pat),
             PatKind::Lit(expr) => self.hash_expr(expr),
             PatKind::Or(pats) => {
                 for pat in pats {
diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs
index 5e356f554ef..37c12dd850c 100644
--- a/clippy_utils/src/lib.rs
+++ b/clippy_utils/src/lib.rs
@@ -99,22 +99,21 @@ use rustc_hir::hir_id::{HirIdMap, HirIdSet};
 use rustc_hir::intravisit::{walk_expr, FnKind, Visitor};
 use rustc_hir::LangItem::{OptionNone, OptionSome, ResultErr, ResultOk};
 use rustc_hir::{
-    self as hir, def, Arm, ArrayLen, BindingAnnotation, Block, BlockCheckMode, Body, Closure, Destination, Expr,
+    self as hir, def, Arm, ArrayLen, BindingAnnotation, Block, BlockCheckMode, Body, ByRef, Closure, Destination, Expr,
     ExprField, ExprKind, FnDecl, FnRetTy, GenericArgs, HirId, Impl, ImplItem, ImplItemKind, ImplItemRef, Item,
-    ItemKind, LangItem, Local, MatchSource, Mutability, Node, OwnerId, Param, Pat, PatKind, Path, PathSegment, PrimTy,
-    QPath, Stmt, StmtKind, TraitItem, TraitItemKind, TraitItemRef, TraitRef, TyKind, UnOp,
+    ItemKind, LangItem, LetStmt, MatchSource, Mutability, Node, OwnerId, Param, Pat, PatKind, Path, PathSegment,
+    PrimTy, QPath, Stmt, StmtKind, TraitItem, TraitItemKind, TraitItemRef, TraitRef, TyKind, UnOp,
 };
 use rustc_lexer::{tokenize, TokenKind};
 use rustc_lint::{LateContext, Level, Lint, LintContext};
 use rustc_middle::hir::place::PlaceBase;
 use rustc_middle::mir::Const;
 use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow};
-use rustc_middle::ty::binding::BindingMode;
 use rustc_middle::ty::fast_reject::SimplifiedType;
 use rustc_middle::ty::layout::IntegerExt;
 use rustc_middle::ty::{
     self as rustc_ty, Binder, BorrowKind, ClosureKind, EarlyBinder, FloatTy, GenericArgsRef, IntTy, ParamEnv,
-    ParamEnvAnd, Ty, TyCtxt, TypeAndMut, TypeVisitableExt, UintTy, UpvarCapture,
+    ParamEnvAnd, Ty, TyCtxt, TypeVisitableExt, UintTy, UpvarCapture,
 };
 use rustc_span::hygiene::{ExpnKind, MacroKind};
 use rustc_span::source_map::SourceMap;
@@ -133,14 +132,14 @@ use rustc_middle::hir::nested_filter;
 #[macro_export]
 macro_rules! extract_msrv_attr {
     ($context:ident) => {
-        fn enter_lint_attrs(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
+        fn check_attributes(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
             let sess = rustc_lint::LintContext::sess(cx);
-            self.msrv.enter_lint_attrs(sess, attrs);
+            self.msrv.check_attributes(sess, attrs);
         }
 
-        fn exit_lint_attrs(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
+        fn check_attributes_post(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
             let sess = rustc_lint::LintContext::sess(cx);
-            self.msrv.exit_lint_attrs(sess, attrs);
+            self.msrv.check_attributes_post(sess, attrs);
         }
     };
 }
@@ -186,7 +185,7 @@ pub fn expr_or_init<'a, 'b, 'tcx: 'b>(cx: &LateContext<'tcx>, mut expr: &'a Expr
 pub fn find_binding_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Expr<'tcx>> {
     if let Node::Pat(pat) = cx.tcx.hir_node(hir_id)
         && matches!(pat.kind, PatKind::Binding(BindingAnnotation::NONE, ..))
-        && let Node::Local(local) = cx.tcx.parent_hir_node(hir_id)
+        && let Node::LetStmt(local) = cx.tcx.parent_hir_node(hir_id)
     {
         return local.init;
     }
@@ -1009,11 +1008,12 @@ pub fn capture_local_usage(cx: &LateContext<'_>, e: &Expr<'_>) -> CaptureKind {
             .typeck_results()
             .extract_binding_mode(cx.sess(), id, span)
             .unwrap()
+            .0
         {
-            BindingMode::BindByValue(_) if !is_copy(cx, cx.typeck_results().node_type(id)) => {
+            ByRef::No if !is_copy(cx, cx.typeck_results().node_type(id)) => {
                 capture = CaptureKind::Value;
             },
-            BindingMode::BindByReference(Mutability::Mut) if capture != CaptureKind::Value => {
+            ByRef::Yes(Mutability::Mut) if capture != CaptureKind::Value => {
                 capture = CaptureKind::Ref(Mutability::Mut);
             },
             _ => (),
@@ -1043,7 +1043,7 @@ pub fn capture_local_usage(cx: &LateContext<'_>, e: &Expr<'_>) -> CaptureKind {
             .get(child_id)
             .map_or(&[][..], |x| &**x)
         {
-            if let rustc_ty::RawPtr(TypeAndMut { mutbl: mutability, .. }) | rustc_ty::Ref(_, _, mutability) =
+            if let rustc_ty::RawPtr(_, mutability) | rustc_ty::Ref(_, _, mutability) =
                 *adjust.last().map_or(target, |a| a.target).kind()
             {
                 return CaptureKind::Ref(mutability);
@@ -1082,7 +1082,7 @@ pub fn capture_local_usage(cx: &LateContext<'_>, e: &Expr<'_>) -> CaptureKind {
                 },
                 _ => break,
             },
-            Node::Local(l) => match pat_capture_kind(cx, l.pat) {
+            Node::LetStmt(l) => match pat_capture_kind(cx, l.pat) {
                 CaptureKind::Value => break,
                 capture @ CaptureKind::Ref(_) => return capture,
             },
@@ -1360,7 +1360,7 @@ pub fn get_enclosing_loop_or_multi_call_closure<'tcx>(
                 ExprKind::Closure { .. } | ExprKind::Loop(..) => return Some(e),
                 _ => (),
             },
-            Node::Stmt(_) | Node::Block(_) | Node::Local(_) | Node::Arm(_) => (),
+            Node::Stmt(_) | Node::Block(_) | Node::LetStmt(_) | Node::Arm(_) => (),
             _ => break,
         }
     }
@@ -1465,7 +1465,7 @@ pub fn is_else_clause(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
 pub fn is_inside_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
     let mut child_id = expr.hir_id;
     for (parent_id, node) in tcx.hir().parent_iter(child_id) {
-        if let Node::Local(Local {
+        if let Node::LetStmt(LetStmt {
             init: Some(init),
             els: Some(els),
             ..
@@ -1485,7 +1485,7 @@ pub fn is_inside_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
 pub fn is_else_clause_in_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
     let mut child_id = expr.hir_id;
     for (parent_id, node) in tcx.hir().parent_iter(child_id) {
-        if let Node::Local(Local { els: Some(els), .. }) = node
+        if let Node::LetStmt(LetStmt { els: Some(els), .. }) = node
             && els.hir_id == child_id
         {
             return true;
@@ -1681,7 +1681,7 @@ pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool {
     match pat.kind {
         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::Box(pat) | PatKind::Deref(pat) | PatKind::Ref(pat, _) => is_refutable(cx, pat),
         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
@@ -2038,7 +2038,7 @@ fn is_body_identity_function(cx: &LateContext<'_>, func: &Body<'_>) -> bool {
             .typeck_results()
             .pat_binding_modes()
             .get(pat.hir_id)
-            .is_some_and(|mode| matches!(mode, BindingMode::BindByReference(_)))
+            .is_some_and(|mode| matches!(mode.0, ByRef::Yes(_)))
         {
             // If a tuple `(x, y)` is of type `&(i32, i32)`, then due to match ergonomics,
             // the inner patterns become references. Don't consider this the identity function
@@ -2161,7 +2161,7 @@ pub fn is_expr_used_or_unified(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
             Node::Stmt(Stmt {
                 kind: StmtKind::Expr(_)
                     | StmtKind::Semi(_)
-                    | StmtKind::Let(Local {
+                    | StmtKind::Let(LetStmt {
                         pat: Pat {
                             kind: PatKind::Wild,
                             ..
@@ -2642,7 +2642,7 @@ pub struct ExprUseCtxt<'tcx> {
 /// The node which consumes a value.
 pub enum ExprUseNode<'tcx> {
     /// Assignment to, or initializer for, a local
-    Local(&'tcx Local<'tcx>),
+    LetStmt(&'tcx LetStmt<'tcx>),
     /// Initializer for a const or static item.
     ConstStatic(OwnerId),
     /// Implicit or explicit return from a function.
@@ -2674,7 +2674,7 @@ impl<'tcx> ExprUseNode<'tcx> {
     /// Gets the needed type as it's defined without any type inference.
     pub fn defined_ty(&self, cx: &LateContext<'tcx>) -> Option<DefinedTy<'tcx>> {
         match *self {
-            Self::Local(Local { ty: Some(ty), .. }) => Some(DefinedTy::Hir(ty)),
+            Self::LetStmt(LetStmt { ty: Some(ty), .. }) => Some(DefinedTy::Hir(ty)),
             Self::ConstStatic(id) => Some(DefinedTy::Mir(
                 cx.param_env
                     .and(Binder::dummy(cx.tcx.type_of(id).instantiate_identity())),
@@ -2734,7 +2734,7 @@ impl<'tcx> ExprUseNode<'tcx> {
                 let sig = cx.tcx.fn_sig(id).skip_binder();
                 Some(DefinedTy::Mir(cx.tcx.param_env(id).and(sig.input(i))))
             },
-            Self::Local(_) | Self::FieldAccess(..) | Self::Callee | Self::Expr | Self::Other => None,
+            Self::LetStmt(_) | Self::FieldAccess(..) | Self::Callee | Self::Expr | Self::Other => None,
         }
     }
 }
@@ -2773,7 +2773,7 @@ pub fn expr_use_ctxt<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) -> Optio
     .continue_value()
     .map(|(use_node, child_id)| {
         let node = match use_node {
-            Node::Local(l) => ExprUseNode::Local(l),
+            Node::LetStmt(l) => ExprUseNode::LetStmt(l),
             Node::ExprField(field) => ExprUseNode::Field(field),
 
             Node::Item(&Item {
@@ -3161,7 +3161,7 @@ pub fn is_never_expr<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> Option<
             }
         }
 
-        fn visit_local(&mut self, l: &'tcx Local<'_>) {
+        fn visit_local(&mut self, l: &'tcx LetStmt<'_>) {
             if let Some(e) = l.init {
                 self.visit_expr(e);
             }
@@ -3238,7 +3238,7 @@ fn get_path_to_ty<'tcx>(tcx: TyCtxt<'tcx>, from: LocalDefId, ty: Ty<'tcx>, args:
         rustc_ty::Array(..)
         | rustc_ty::Dynamic(..)
         | rustc_ty::Never
-        | rustc_ty::RawPtr(_)
+        | rustc_ty::RawPtr(_, _)
         | rustc_ty::Ref(..)
         | rustc_ty::Slice(_)
         | rustc_ty::Tuple(_) => format!("<{}>", EarlyBinder::bind(ty).instantiate(tcx, args)),
diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs
index dadb0d662ce..325c9bee057 100644
--- a/clippy_utils/src/qualify_min_const_fn.rs
+++ b/clippy_utils/src/qualify_min_const_fn.rs
@@ -112,7 +112,7 @@ fn check_rvalue<'tcx>(
         Rvalue::Repeat(operand, _)
         | Rvalue::Use(operand)
         | Rvalue::Cast(
-            CastKind::PointerFromExposedAddress
+            CastKind::PointerWithExposedProvenance
             | CastKind::IntToInt
             | CastKind::FloatToInt
             | CastKind::IntToFloat
@@ -149,7 +149,7 @@ fn check_rvalue<'tcx>(
                 Err((span, "unsizing casts are not allowed in const fn".into()))
             }
         },
-        Rvalue::Cast(CastKind::PointerExposeAddress, _, _) => {
+        Rvalue::Cast(CastKind::PointerExposeProvenance, _, _) => {
             Err((span, "casting pointers to ints is unstable in const fn".into()))
         },
         Rvalue::Cast(CastKind::DynStar, _, _) => {
@@ -174,7 +174,7 @@ fn check_rvalue<'tcx>(
                 ))
             }
         },
-        Rvalue::NullaryOp(NullOp::SizeOf | NullOp::AlignOf | NullOp::OffsetOf(_) | NullOp::UbCheck(_), _)
+        Rvalue::NullaryOp(NullOp::SizeOf | NullOp::AlignOf | NullOp::OffsetOf(_) | NullOp::UbChecks, _)
         | Rvalue::ShallowInitBox(_, _) => Ok(()),
         Rvalue::UnaryOp(_, operand) => {
             let ty = operand.ty(body, tcx);
diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs
index 3924eb5a81c..ab1be66dc78 100644
--- a/clippy_utils/src/ty.rs
+++ b/clippy_utils/src/ty.rs
@@ -96,7 +96,11 @@ pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'
                         return false;
                     }
 
-                    for (predicate, _span) in cx.tcx.explicit_item_bounds(def_id).instantiate_identity_iter_copied() {
+                    for (predicate, _span) in cx
+                        .tcx
+                        .explicit_item_super_predicates(def_id)
+                        .instantiate_identity_iter_copied()
+                    {
                         match predicate.kind().skip_binder() {
                             // For `impl Trait<U>`, it will register a predicate of `T: Trait<U>`, so we go through
                             // and check substitutions to find `U`.
@@ -331,14 +335,14 @@ pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
     match ty.kind() {
         ty::Adt(adt, _) => cx.tcx.has_attr(adt.did(), sym::must_use),
         ty::Foreign(did) => cx.tcx.has_attr(*did, sym::must_use),
-        ty::Slice(ty) | ty::Array(ty, _) | ty::RawPtr(ty::TypeAndMut { ty, .. }) | ty::Ref(_, ty, _) => {
+        ty::Slice(ty) | ty::Array(ty, _) | ty::RawPtr(ty, _) | ty::Ref(_, ty, _) => {
             // for the Array case we don't need to care for the len == 0 case
             // because we don't want to lint functions returning empty arrays
             is_must_use_ty(cx, *ty)
         },
         ty::Tuple(args) => args.iter().any(|ty| is_must_use_ty(cx, ty)),
         ty::Alias(ty::Opaque, AliasTy { def_id, .. }) => {
-            for (predicate, _) in cx.tcx.explicit_item_bounds(def_id).skip_binder() {
+            for (predicate, _) in cx.tcx.explicit_item_super_predicates(def_id).skip_binder() {
                 if let ty::ClauseKind::Trait(trait_predicate) = predicate.kind().skip_binder() {
                     if cx.tcx.has_attr(trait_predicate.trait_ref.def_id, sym::must_use) {
                         return true;
@@ -739,7 +743,7 @@ pub fn ty_sig<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<ExprFnSig<'t
         ty::Alias(ty::Opaque, AliasTy { def_id, args, .. }) => sig_from_bounds(
             cx,
             ty,
-            cx.tcx.item_bounds(def_id).iter_instantiated(cx.tcx, args),
+            cx.tcx.item_super_predicates(def_id).iter_instantiated(cx.tcx, args),
             cx.tcx.opt_parent(def_id),
         ),
         ty::FnPtr(sig) => Some(ExprFnSig::Sig(sig, None)),
diff --git a/clippy_utils/src/ty/type_certainty/mod.rs b/clippy_utils/src/ty/type_certainty/mod.rs
index 7913926928f..762830ffd78 100644
--- a/clippy_utils/src/ty/type_certainty/mod.rs
+++ b/clippy_utils/src/ty/type_certainty/mod.rs
@@ -242,7 +242,7 @@ fn path_segment_certainty(
             Node::Param(..) => Certainty::Certain(None),
             // A local's type is certain if its type annotation is certain or it has an initializer whose
             // type is certain.
-            Node::Local(local) => {
+            Node::LetStmt(local) => {
                 let lhs = local.ty.map_or(Certainty::Uncertain, |ty| type_certainty(cx, ty));
                 let rhs = local
                     .init
diff --git a/clippy_utils/src/visitors.rs b/clippy_utils/src/visitors.rs
index a4c06c0e637..a3f3b32ed37 100644
--- a/clippy_utils/src/visitors.rs
+++ b/clippy_utils/src/visitors.rs
@@ -5,7 +5,7 @@ use rustc_hir as hir;
 use rustc_hir::def::{CtorKind, DefKind, Res};
 use rustc_hir::intravisit::{self, walk_block, walk_expr, Visitor};
 use rustc_hir::{
-    AnonConst, Arm, Block, BlockCheckMode, Body, BodyId, Expr, ExprKind, HirId, ItemId, ItemKind, Let, Pat, QPath,
+    AnonConst, Arm, Block, BlockCheckMode, Body, BodyId, Expr, ExprKind, HirId, ItemId, ItemKind, LetExpr, Pat, QPath,
     Stmt, UnOp, UnsafeSource, Unsafety,
 };
 use rustc_lint::LateContext;
@@ -624,7 +624,7 @@ pub fn for_each_unconsumed_temporary<'tcx, B>(
             | ExprKind::Field(e, _)
             | ExprKind::Unary(UnOp::Deref, e)
             | ExprKind::Match(e, ..)
-            | ExprKind::Let(&Let { init: e, .. }) => {
+            | ExprKind::Let(&LetExpr { init: e, .. }) => {
                 helper(typeck, false, e, f)?;
             },
             ExprKind::Block(&Block { expr: Some(e), .. }, _) | ExprKind::Cast(e, _) | ExprKind::Unary(_, e) => {