Fix lint findings in librustc_mir

6 files changed, 21 insertions, 21 deletions

diff --git a/src/librustc_mir/borrow_check/error_reporting.rs b/src/librustc_mir/borrow_check/error_reporting.rs
index a883ae40dbf..a8ebe85e251 100644
--- a/src/librustc_mir/borrow_check/error_reporting.rs
+++ b/src/librustc_mir/borrow_check/error_reporting.rs
@@ -12,7 +12,7 @@ use rustc::mir::{
     Place, PlaceBase, PlaceProjection, ProjectionElem, Rvalue, Statement, StatementKind,
     Static, StaticKind, TerminatorKind, VarBindingForm,
 };
-use rustc::ty::{self, DefIdTree};
+use rustc::ty::{self, DefIdTree, Ty};
 use rustc::ty::layout::VariantIdx;
 use rustc::ty::print::Print;
 use rustc_data_structures::fx::FxHashSet;
@@ -918,7 +918,7 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
         borrow: &BorrowData<'tcx>,
         (place, drop_span): (&Place<'tcx>, Span),
         kind: Option<WriteKind>,
-        dropped_ty: ty::Ty<'tcx>,
+        dropped_ty: Ty<'tcx>,
     ) {
         debug!(
             "report_borrow_conflicts_with_destructor(\
@@ -1483,7 +1483,7 @@ pub(super) struct IncludingDowncast(bool);
 enum StorageDeadOrDrop<'tcx> {
     LocalStorageDead,
     BoxedStorageDead,
-    Destructor(ty::Ty<'tcx>),
+    Destructor(Ty<'tcx>),
 }
 
 impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
@@ -1787,7 +1787,7 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
     /// End-user visible description of the `field_index`nth field of `ty`
     fn describe_field_from_ty(
         &self,
-        ty: &ty::Ty<'_>,
+        ty: Ty<'_>,
         field: Field,
         variant_index: Option<VariantIdx>
     ) -> String {
@@ -2258,18 +2258,18 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
 #[derive(Debug)]
 enum AnnotatedBorrowFnSignature<'tcx> {
     NamedFunction {
-        arguments: Vec<(ty::Ty<'tcx>, Span)>,
-        return_ty: ty::Ty<'tcx>,
+        arguments: Vec<(Ty<'tcx>, Span)>,
+        return_ty: Ty<'tcx>,
         return_span: Span,
     },
     AnonymousFunction {
-        argument_ty: ty::Ty<'tcx>,
+        argument_ty: Ty<'tcx>,
         argument_span: Span,
-        return_ty: ty::Ty<'tcx>,
+        return_ty: Ty<'tcx>,
         return_span: Span,
     },
     Closure {
-        argument_ty: ty::Ty<'tcx>,
+        argument_ty: Ty<'tcx>,
         argument_span: Span,
     },
 }
@@ -2355,7 +2355,7 @@ impl<'tcx> AnnotatedBorrowFnSignature<'tcx> {
 impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
     /// Return the name of the provided `Ty` (that must be a reference) with a synthesized lifetime
     /// name where required.
-    fn get_name_for_ty(&self, ty: ty::Ty<'tcx>, counter: usize) -> String {
+    fn get_name_for_ty(&self, ty: Ty<'tcx>, counter: usize) -> String {
         let mut s = String::new();
         let mut printer = ty::print::FmtPrinter::new(self.infcx.tcx, &mut s, Namespace::TypeNS);
 
@@ -2378,7 +2378,7 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
 
     /// Returns the name of the provided `Ty` (that must be a reference)'s region with a
     /// synthesized lifetime name where required.
-    fn get_region_name_for_ty(&self, ty: ty::Ty<'tcx>, counter: usize) -> String {
+    fn get_region_name_for_ty(&self, ty: Ty<'tcx>, counter: usize) -> String {
         let mut s = String::new();
         let mut printer = ty::print::FmtPrinter::new(self.infcx.tcx, &mut s, Namespace::TypeNS);
 
diff --git a/src/librustc_mir/borrow_check/mod.rs b/src/librustc_mir/borrow_check/mod.rs
index 14cafdef67d..aa6c152a37f 100644
--- a/src/librustc_mir/borrow_check/mod.rs
+++ b/src/librustc_mir/borrow_check/mod.rs
@@ -1076,7 +1076,7 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
                 (Read(kind), BorrowKind::Unique) | (Read(kind), BorrowKind::Mut { .. }) => {
                     // Reading from mere reservations of mutable-borrows is OK.
                     if !is_active(&this.dominators, borrow, context.loc) {
-                        assert!(allow_two_phase_borrow(&tcx, borrow.kind));
+                        assert!(allow_two_phase_borrow(tcx, borrow.kind));
                         return Control::Continue;
                     }
 
@@ -1233,7 +1233,7 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
                     BorrowKind::Shared => (Deep, Read(ReadKind::Borrow(bk))),
                     BorrowKind::Unique | BorrowKind::Mut { .. } => {
                         let wk = WriteKind::MutableBorrow(bk);
-                        if allow_two_phase_borrow(&self.infcx.tcx, bk) {
+                        if allow_two_phase_borrow(self.infcx.tcx, bk) {
                             (Deep, Reservation(wk))
                         } else {
                             (Deep, Write(wk))
diff --git a/src/librustc_mir/borrow_check/mutability_errors.rs b/src/librustc_mir/borrow_check/mutability_errors.rs
index c5ad2b18c23..32088ff9f61 100644
--- a/src/librustc_mir/borrow_check/mutability_errors.rs
+++ b/src/librustc_mir/borrow_check/mutability_errors.rs
@@ -5,7 +5,7 @@ use rustc::mir::{
     Mutability, Operand, Place, PlaceBase, Projection, ProjectionElem, Static, StaticKind,
 };
 use rustc::mir::{Terminator, TerminatorKind};
-use rustc::ty::{self, Const, DefIdTree, TyS, TyCtxt};
+use rustc::ty::{self, Const, DefIdTree, Ty, TyS, TyCtxt};
 use rustc_data_structures::indexed_vec::Idx;
 use syntax_pos::Span;
 use syntax_pos::symbol::keywords;
@@ -613,7 +613,7 @@ fn suggest_ampmut<'cx, 'gcx, 'tcx>(
      })
 }
 
-fn is_closure_or_generator(ty: ty::Ty<'_>) -> bool {
+fn is_closure_or_generator(ty: Ty<'_>) -> bool {
     ty.is_closure() || ty.is_generator()
 }
 
@@ -626,7 +626,7 @@ fn is_closure_or_generator(ty: ty::Ty<'_>) -> bool {
 /// ```
 fn annotate_struct_field(
     tcx: TyCtxt<'cx, 'gcx, 'tcx>,
-    ty: ty::Ty<'tcx>,
+    ty: Ty<'tcx>,
     field: &mir::Field,
 ) -> Option<(Span, String)> {
     // Expect our local to be a reference to a struct of some kind.
diff --git a/src/librustc_mir/borrow_check/nll/constraint_generation.rs b/src/librustc_mir/borrow_check/nll/constraint_generation.rs
index cc753252758..ec2555886ce 100644
--- a/src/librustc_mir/borrow_check/nll/constraint_generation.rs
+++ b/src/librustc_mir/borrow_check/nll/constraint_generation.rs
@@ -10,7 +10,7 @@ use rustc::mir::{BasicBlock, BasicBlockData, Location, Mir, Place, PlaceBase, Rv
 use rustc::mir::{SourceInfo, Statement, Terminator};
 use rustc::mir::UserTypeProjection;
 use rustc::ty::fold::TypeFoldable;
-use rustc::ty::{self, ClosureSubsts, GeneratorSubsts, RegionVid};
+use rustc::ty::{self, ClosureSubsts, GeneratorSubsts, RegionVid, Ty};
 use rustc::ty::subst::SubstsRef;
 
 pub(super) fn generate_constraints<'cx, 'gcx, 'tcx>(
@@ -64,7 +64,7 @@ impl<'cg, 'cx, 'gcx, 'tcx> Visitor<'tcx> for ConstraintGeneration<'cg, 'cx, 'gcx
 
     /// We sometimes have `ty` within an rvalue, or within a
     /// call. Make them live at the location where they appear.
-    fn visit_ty(&mut self, ty: ty::Ty<'tcx>, ty_context: TyContext) {
+    fn visit_ty(&mut self, ty: Ty<'tcx>, ty_context: TyContext) {
         match ty_context {
             TyContext::ReturnTy(SourceInfo { span, .. })
             | TyContext::YieldTy(SourceInfo { span, .. })
diff --git a/src/librustc_mir/borrow_check/nll/invalidation.rs b/src/librustc_mir/borrow_check/nll/invalidation.rs
index 8cbf68c476a..5008627972a 100644
--- a/src/librustc_mir/borrow_check/nll/invalidation.rs
+++ b/src/librustc_mir/borrow_check/nll/invalidation.rs
@@ -321,7 +321,7 @@ impl<'cg, 'cx, 'tcx, 'gcx> InvalidationGenerator<'cx, 'tcx, 'gcx> {
                     BorrowKind::Shared => (Deep, Read(ReadKind::Borrow(bk))),
                     BorrowKind::Unique | BorrowKind::Mut { .. } => {
                         let wk = WriteKind::MutableBorrow(bk);
-                        if allow_two_phase_borrow(&self.tcx, bk) {
+                        if allow_two_phase_borrow(self.tcx, bk) {
                             (Deep, Reservation(wk))
                         } else {
                             (Deep, Write(wk))
@@ -439,7 +439,7 @@ impl<'cg, 'cx, 'tcx, 'gcx> InvalidationGenerator<'cx, 'tcx, 'gcx> {
                         // Reading from mere reservations of mutable-borrows is OK.
                         if !is_active(&this.dominators, borrow, context.loc) {
                             // If the borrow isn't active yet, reads don't invalidate it
-                            assert!(allow_two_phase_borrow(&this.tcx, borrow.kind));
+                            assert!(allow_two_phase_borrow(this.tcx, borrow.kind));
                             return Control::Continue;
                         }
 
diff --git a/src/librustc_mir/borrow_check/path_utils.rs b/src/librustc_mir/borrow_check/path_utils.rs
index f6a22cf0407..ec3c0bf68ad 100644
--- a/src/librustc_mir/borrow_check/path_utils.rs
+++ b/src/librustc_mir/borrow_check/path_utils.rs
@@ -12,7 +12,7 @@ use rustc_data_structures::graph::dominators::Dominators;
 /// allowed to be split into separate Reservation and
 /// Activation phases.
 pub(super) fn allow_two_phase_borrow<'a, 'tcx, 'gcx: 'tcx>(
-    _tcx: &TyCtxt<'a, 'gcx, 'tcx>,
+    _tcx: TyCtxt<'a, 'gcx, 'tcx>,
     kind: BorrowKind
 ) -> bool {
     kind.allows_two_phase_borrow()