Auto merge of #12813 - flip1995:rustup, r=flip1995

Rustup

r? `@ghost`

changelog: None

Author: bors

clippy_lints/src/default_union_representation.rs

@@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_help;
 use rustc_hir::{HirId, Item, ItemKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty::layout::LayoutOf;
-use rustc_middle::ty::{self, FieldDef, GenericArg, List};
+use rustc_middle::ty::{self, FieldDef};
 use rustc_session::declare_lint_pass;
 use rustc_span::sym;
 
@@ -85,7 +85,7 @@ fn is_union_with_two_non_zst_fields<'tcx>(cx: &LateContext<'tcx>, item: &Item<'t
     }
 }
 
-fn is_zst<'tcx>(cx: &LateContext<'tcx>, field: &FieldDef, args: &'tcx List<GenericArg<'tcx>>) -> bool {
+fn is_zst<'tcx>(cx: &LateContext<'tcx>, field: &FieldDef, args: ty::GenericArgsRef<'tcx>) -> bool {
     let ty = field.ty(cx.tcx, args);
     if let Ok(layout) = cx.layout_of(ty) {
         layout.is_zst()

clippy_lints/src/dereference.rs

@@ -382,7 +382,7 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> {
                                         cx,
                                         impl_ty,
                                         trait_id,
-                                        &args[..cx.tcx.generics_of(trait_id).params.len() - 1],
+                                        &args[..cx.tcx.generics_of(trait_id).own_params.len() - 1],
                                     )
                                 {
                                     false

clippy_lints/src/derive.rs

@@ -480,7 +480,7 @@ fn param_env_for_derived_eq(tcx: TyCtxt<'_>, did: DefId, eq_trait_id: DefId) ->
     // Vec<(param_def, needs_eq)>
     let mut params = tcx
         .generics_of(did)
-        .params
+        .own_params
         .iter()
         .map(|p| (p, matches!(p.kind, GenericParamDefKind::Type { .. })))
         .collect::<Vec<_>>();

clippy_lints/src/escape.rs

@@ -1,7 +1,6 @@
 use clippy_utils::diagnostics::span_lint_hir;
 use rustc_hir::{intravisit, AssocItemKind, Body, FnDecl, HirId, HirIdSet, Impl, ItemKind, Node, Pat, PatKind};
 use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId};
-use rustc_infer::infer::TyCtxtInferExt;
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::mir::FakeReadCause;
 use rustc_middle::ty::layout::LayoutOf;
@@ -105,8 +104,9 @@ impl<'tcx> LateLintPass<'tcx> for BoxedLocal {
             too_large_for_stack: self.too_large_for_stack,
         };
 
-        let infcx = cx.tcx.infer_ctxt().build();
-        ExprUseVisitor::new(&mut v, &infcx, fn_def_id, cx.param_env, cx.typeck_results()).consume_body(body);
+        ExprUseVisitor::for_clippy(cx, fn_def_id, &mut v)
+            .consume_body(body)
+            .into_ok();
 
         for node in v.set {
             span_lint_hir(

clippy_lints/src/future_not_send.rs

@@ -4,6 +4,7 @@ use rustc_hir::intravisit::FnKind;
 use rustc_hir::{Body, FnDecl};
 use rustc_infer::infer::TyCtxtInferExt;
 use rustc_lint::{LateContext, LateLintPass};
+use rustc_middle::ty::print::PrintTraitRefExt;
 use rustc_middle::ty::{self, AliasTy, ClauseKind, PredicateKind};
 use rustc_session::declare_lint_pass;
 use rustc_span::def_id::LocalDefId;

clippy_lints/src/implied_bounds_in_impls.rs

@@ -148,7 +148,7 @@ fn try_resolve_type<'tcx>(
     match args.get(index - 1) {
         Some(GenericArg::Type(ty)) => Some(lower_ty(tcx, ty)),
         Some(_) => None,
-        None => Some(tcx.type_of(generics.params[index].def_id).skip_binder()),
+        None => Some(tcx.type_of(generics.own_params[index].def_id).skip_binder()),
     }
 }
 

clippy_lints/src/iter_without_into_iter.rs

@@ -225,7 +225,7 @@ impl {self_ty_without_ref} {{
             && let ImplItemKind::Fn(sig, _) = item.kind
             && let FnRetTy::Return(ret) = sig.decl.output
             && is_nameable_in_impl_trait(ret)
-            && cx.tcx.generics_of(item_did).params.is_empty()
+            && cx.tcx.generics_of(item_did).own_params.is_empty()
             && sig.decl.implicit_self == expected_implicit_self
             && sig.decl.inputs.len() == 1
             && let Some(imp) = get_parent_as_impl(cx.tcx, item.hir_id())

clippy_lints/src/lib.rs

@@ -8,6 +8,7 @@
 #![feature(never_type)]
 #![feature(rustc_private)]
 #![feature(stmt_expr_attributes)]
+#![feature(unwrap_infallible)]
 #![recursion_limit = "512"]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 #![allow(

clippy_lints/src/loops/mut_range_bound.rs

@@ -4,7 +4,6 @@ use clippy_utils::{get_enclosing_block, higher, path_to_local};
 use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{BindingMode, Expr, ExprKind, HirId, Node, PatKind};
 use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId};
-use rustc_infer::infer::TyCtxtInferExt;
 use rustc_lint::LateContext;
 use rustc_middle::mir::FakeReadCause;
 use rustc_middle::ty;
@@ -61,15 +60,9 @@ fn check_for_mutation(
         span_low: None,
         span_high: None,
     };
-    let infcx = cx.tcx.infer_ctxt().build();
-    ExprUseVisitor::new(
-        &mut delegate,
-        &infcx,
-        body.hir_id.owner.def_id,
-        cx.param_env,
-        cx.typeck_results(),
-    )
-    .walk_expr(body);
+    ExprUseVisitor::for_clippy(cx, body.hir_id.owner.def_id, &mut delegate)
+        .walk_expr(body)
+        .into_ok();
 
     delegate.mutation_span()
 }

clippy_lints/src/manual_assert.rs

@@ -1,10 +1,9 @@
-use crate::rustc_lint::LintContext;
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::macros::{is_panic, root_macro_call};
 use clippy_utils::{is_else_clause, is_parent_stmt, peel_blocks_with_stmt, span_extract_comment, sugg};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, UnOp};
-use rustc_lint::{LateContext, LateLintPass};
+use rustc_lint::{LateContext, LateLintPass, LintContext};
 use rustc_session::declare_lint_pass;
 
 declare_clippy_lint! {