Merge from rustc

1 files changed, 9 insertions, 12 deletions

diff --git a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs
index 207f2ef4563..a443043bef9 100644
--- a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs
+++ b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs
@@ -9,7 +9,6 @@ use rustc_hir::intravisit::{FnKind, Visitor, walk_body, walk_expr};
 use rustc_hir::{Body, Expr, ExprKind, FnDecl, HirId, Item, ItemKind, Node, QPath, TyKind};
 use rustc_hir_analysis::lower_ty;
 use rustc_lint::{LateContext, LateLintPass};
-use rustc_middle::hir::map::Map;
 use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::{self, AssocKind, Ty, TyCtxt};
 use rustc_session::impl_lint_pass;
@@ -112,7 +111,7 @@ fn get_impl_trait_def_id(cx: &LateContext<'_>, method_def_id: LocalDefId) -> Opt
             owner_id,
             ..
         }),
-    )) = cx.tcx.hir().parent_iter(hir_id).next()
+    )) = cx.tcx.hir_parent_iter(hir_id).next()
         // We exclude `impl` blocks generated from rustc's proc macros.
         && !cx.tcx.has_attr(*owner_id, sym::automatically_derived)
         // It is a implementation of a trait.
@@ -217,7 +216,7 @@ fn check_to_string(cx: &LateContext<'_>, method_span: Span, method_def_id: Local
                 owner_id,
                 ..
             }),
-        )) = cx.tcx.hir().parent_iter(hir_id).next()
+        )) = cx.tcx.hir_parent_iter(hir_id).next()
         // We exclude `impl` blocks generated from rustc's proc macros.
         && !cx.tcx.has_attr(*owner_id, sym::automatically_derived)
         // It is a implementation of a trait.
@@ -275,7 +274,6 @@ fn is_default_method_on_current_ty<'tcx>(tcx: TyCtxt<'tcx>, qpath: QPath<'tcx>,
 
 struct CheckCalls<'a, 'tcx> {
     cx: &'a LateContext<'tcx>,
-    map: Map<'tcx>,
     implemented_ty_id: DefId,
     method_span: Span,
 }
@@ -287,8 +285,8 @@ where
     type NestedFilter = nested_filter::OnlyBodies;
     type Result = ControlFlow<()>;
 
-    fn nested_visit_map(&mut self) -> Self::Map {
-        self.map
+    fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt {
+        self.cx.tcx
     }
 
     fn visit_expr(&mut self, expr: &'tcx Expr<'tcx>) -> ControlFlow<()> {
@@ -326,15 +324,15 @@ impl UnconditionalRecursion {
                             .find(|item| {
                                 item.kind == AssocKind::Fn && item.def_id.is_local() && item.name == kw::Default
                             })
-                        && let Some(body_node) = cx.tcx.hir().get_if_local(assoc_item.def_id)
+                        && let Some(body_node) = cx.tcx.hir_get_if_local(assoc_item.def_id)
                         && let Some(body_id) = body_node.body_id()
-                        && let body = cx.tcx.hir().body(body_id)
+                        && let body = cx.tcx.hir_body(body_id)
                         // We don't want to keep it if it has conditional return.
                         && let [return_expr] = get_return_calls_in_body(body).as_slice()
                         && let ExprKind::Call(call_expr, _) = return_expr.kind
                         // We need to use typeck here to infer the actual function being called.
-                        && let body_def_id = cx.tcx.hir().enclosing_body_owner(call_expr.hir_id)
-                        && let Some(body_owner) = cx.tcx.hir().maybe_body_owned_by(body_def_id)
+                        && let body_def_id = cx.tcx.hir_enclosing_body_owner(call_expr.hir_id)
+                        && let Some(body_owner) = cx.tcx.hir_maybe_body_owned_by(body_def_id)
                         && let typeck = cx.tcx.typeck_body(body_owner.id())
                         && let Some(call_def_id) = typeck.type_dependent_def_id(call_expr.hir_id)
                     {
@@ -369,7 +367,7 @@ impl UnconditionalRecursion {
                 kind: ItemKind::Impl(impl_),
                 ..
             }),
-        )) = cx.tcx.hir().parent_iter(hir_id).next()
+        )) = cx.tcx.hir_parent_iter(hir_id).next()
             && let Some(implemented_ty_id) = get_hir_ty_def_id(cx.tcx, *impl_.self_ty)
             && {
                 self.init_default_impl_for_type_if_needed(cx);
@@ -380,7 +378,6 @@ impl UnconditionalRecursion {
         {
             let mut c = CheckCalls {
                 cx,
-                map: cx.tcx.hir(),
                 implemented_ty_id,
                 method_span,
             };