New upstream version 1.70.0+dfsg1

[rustc.git] / compiler / rustc_passes / src / liveness.rs

diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs
index df5c8f53ec1c5ae1566d2f90a11a7a9011853346..a8471ce3b6fb2c6fac7aa6c5aadf085b7afce6a3 100644 (file)
--- a/compiler/rustc_passes/src/liveness.rs
+++ b/compiler/rustc_passes/src/liveness.rs
@@ -95,7 +95,7 @@ use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{Expr, HirId, HirIdMap, HirIdSet};
 use rustc_index::vec::IndexVec;
 use rustc_middle::ty::query::Providers;
-use rustc_middle::ty::{self, DefIdTree, RootVariableMinCaptureList, Ty, TyCtxt};
+use rustc_middle::ty::{self, RootVariableMinCaptureList, Ty, TyCtxt};
 use rustc_session::lint;
 use rustc_span::symbol::{kw, sym, Symbol};
 use rustc_span::{BytePos, Span};
@@ -146,7 +146,7 @@ fn check_liveness(tcx: TyCtxt<'_>, def_id: DefId) {
     // Don't run unused pass for #[derive()]
     let parent = tcx.local_parent(local_def_id);
     if let DefKind::Impl { .. } = tcx.def_kind(parent)
-        && tcx.has_attr(parent.to_def_id(), sym::automatically_derived)
+        && tcx.has_attr(parent, sym::automatically_derived)
     {
         return;
     }
@@ -473,7 +473,6 @@ impl<'tcx> Visitor<'tcx> for IrMaps<'tcx> {
             | hir::ExprKind::Struct(..)
             | hir::ExprKind::Repeat(..)
             | hir::ExprKind::InlineAsm(..)
-            | hir::ExprKind::Box(..)
             | hir::ExprKind::Type(..)
             | hir::ExprKind::Err(_)
             | hir::ExprKind::Path(hir::QPath::TypeRelative(..))
@@ -1059,8 +1058,7 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
                 self.propagate_through_expr(&l, r_succ)
             }
 
-            hir::ExprKind::Box(ref e)
-            | hir::ExprKind::AddrOf(_, _, ref e)
+            hir::ExprKind::AddrOf(_, _, ref e)
             | hir::ExprKind::Cast(ref e, _)
             | hir::ExprKind::Type(ref e, _)
             | hir::ExprKind::DropTemps(ref e)
@@ -1425,7 +1423,6 @@ fn check_expr<'tcx>(this: &mut Liveness<'_, 'tcx>, expr: &'tcx Expr<'tcx>) {
         | hir::ExprKind::Closure { .. }
         | hir::ExprKind::Path(_)
         | hir::ExprKind::Yield(..)
-        | hir::ExprKind::Box(..)
         | hir::ExprKind::Type(..)
         | hir::ExprKind::Err(_) => {}
     }