change impl_trait_ref query to return EarlyBinder; remove bound_impl_trait_ref query; add EarlyBinder to impl_trait_ref in metadata

Author: kylematsuda

clippy_lints/src/derive.rs

@@ -247,7 +247,7 @@ fn check_hash_peq<'tcx>(
                     return;
                 }
 
-                let trait_ref = cx.tcx.bound_impl_trait_ref(impl_id).expect("must be a trait implementation");
+                let trait_ref = cx.tcx.impl_trait_ref(impl_id).expect("must be a trait implementation");
 
                 // Only care about `impl PartialEq<Foo> for Foo`
                 // For `impl PartialEq<B> for A, input_types is [A, B]
@@ -295,7 +295,7 @@ fn check_ord_partial_ord<'tcx>(
                     return;
                 }
 
-                let trait_ref = cx.tcx.bound_impl_trait_ref(impl_id).expect("must be a trait implementation");
+                let trait_ref = cx.tcx.impl_trait_ref(impl_id).expect("must be a trait implementation");
 
                 // Only care about `impl PartialOrd<Foo> for Foo`
                 // For `impl PartialOrd<B> for A, input_types is [A, B]

clippy_lints/src/fallible_impl_from.rs

@@ -55,7 +55,7 @@ impl<'tcx> LateLintPass<'tcx> for FallibleImplFrom {
         // check for `impl From<???> for ..`
         if_chain! {
             if let hir::ItemKind::Impl(impl_) = &item.kind;
-            if let Some(impl_trait_ref) = cx.tcx.bound_impl_trait_ref(item.owner_id.to_def_id());
+            if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id);
             if cx.tcx.is_diagnostic_item(sym::From, impl_trait_ref.skip_binder().def_id);
             then {
                 lint_impl_body(cx, item.span, impl_.items);

clippy_lints/src/from_over_into.rs

@@ -76,7 +76,7 @@ impl<'tcx> LateLintPass<'tcx> for FromOverInto {
             && let Some(into_trait_seg) = hir_trait_ref.path.segments.last()
             // `impl Into<target_ty> for self_ty`
             && let Some(GenericArgs { args: [GenericArg::Type(target_ty)], .. }) = into_trait_seg.args
-            && let Some(middle_trait_ref) = cx.tcx.bound_impl_trait_ref(item.owner_id.to_def_id()).map(ty::EarlyBinder::subst_identity)
+            && let Some(middle_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id).map(ty::EarlyBinder::subst_identity)
             && cx.tcx.is_diagnostic_item(sym::Into, middle_trait_ref.def_id)
             && !matches!(middle_trait_ref.substs.type_at(1).kind(), ty::Alias(ty::Opaque, _))
         {

clippy_lints/src/implicit_saturating_sub.rs

@@ -101,7 +101,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingSub {
                             if name.ident.as_str() == "MIN";
                             if let Some(const_id) = cx.typeck_results().type_dependent_def_id(cond_num_val.hir_id);
                             if let Some(impl_id) = cx.tcx.impl_of_method(const_id);
-                            if let None = cx.tcx.bound_impl_trait_ref(impl_id); // An inherent impl
+                            if let None = cx.tcx.impl_trait_ref(impl_id); // An inherent impl
                             if cx.tcx.type_of(impl_id).is_integral();
                             then {
                                 print_lint_and_sugg(cx, var_name, expr)
@@ -114,7 +114,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingSub {
                             if name.ident.as_str() == "min_value";
                             if let Some(func_id) = cx.typeck_results().type_dependent_def_id(func.hir_id);
                             if let Some(impl_id) = cx.tcx.impl_of_method(func_id);
-                            if let None = cx.tcx.bound_impl_trait_ref(impl_id); // An inherent impl
+                            if let None = cx.tcx.impl_trait_ref(impl_id); // An inherent impl
                             if cx.tcx.type_of(impl_id).is_integral();
                             then {
                                 print_lint_and_sugg(cx, var_name, expr)

clippy_lints/src/methods/implicit_clone.rs

@@ -53,7 +53,7 @@ pub fn is_clone_like(cx: &LateContext<'_>, method_name: &str, method_def_id: hir
         "to_vec" => cx
             .tcx
             .impl_of_method(method_def_id)
-            .filter(|&impl_did| cx.tcx.type_of(impl_did).is_slice() && cx.tcx.bound_impl_trait_ref(impl_did).is_none())
+            .filter(|&impl_did| cx.tcx.type_of(impl_did).is_slice() && cx.tcx.impl_trait_ref(impl_did).is_none())
             .is_some(),
         _ => false,
     }

clippy_lints/src/methods/suspicious_splitn.rs

@@ -12,7 +12,7 @@ pub(super) fn check(cx: &LateContext<'_>, method_name: &str, expr: &Expr<'_>, se
         if count <= 1;
         if let Some(call_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id);
         if let Some(impl_id) = cx.tcx.impl_of_method(call_id);
-        if cx.tcx.bound_impl_trait_ref(impl_id).is_none();
+        if cx.tcx.impl_trait_ref(impl_id).is_none();
         let self_ty = cx.tcx.type_of(impl_id);
         if self_ty.is_slice() || self_ty.is_str();
         then {

clippy_lints/src/missing_doc.rs

@@ -175,7 +175,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
     fn check_impl_item(&mut self, cx: &LateContext<'tcx>, impl_item: &'tcx hir::ImplItem<'_>) {
         // If the method is an impl for a trait, don't doc.
         if let Some(cid) = cx.tcx.associated_item(impl_item.owner_id).impl_container(cx.tcx) {
-            if cx.tcx.bound_impl_trait_ref(cid).is_some() {
+            if cx.tcx.impl_trait_ref(cid).is_some() {
                 return;
             }
         } else {

clippy_lints/src/missing_inline.rs

@@ -155,7 +155,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
         let container_id = assoc_item.container_id(cx.tcx);
         let trait_def_id = match assoc_item.container {
             TraitContainer => Some(container_id),
-            ImplContainer => cx.tcx.bound_impl_trait_ref(container_id).map(|t| t.skip_binder().def_id),
+            ImplContainer => cx.tcx.impl_trait_ref(container_id).map(|t| t.skip_binder().def_id),
         };
 
         if let Some(trait_def_id) = trait_def_id {

clippy_lints/src/non_send_fields_in_send_ty.rs

@@ -89,7 +89,7 @@ impl<'tcx> LateLintPass<'tcx> for NonSendFieldInSendTy {
             if let Some(trait_id) = trait_ref.trait_def_id();
             if send_trait == trait_id;
             if hir_impl.polarity == ImplPolarity::Positive;
-            if let Some(ty_trait_ref) = cx.tcx.bound_impl_trait_ref(item.owner_id.to_def_id());
+            if let Some(ty_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id);
             if let self_ty = ty_trait_ref.subst_identity().self_ty();
             if let ty::Adt(adt_def, impl_trait_substs) = self_ty.kind();
             then {

clippy_lints/src/only_used_in_recursion.rs

@@ -244,7 +244,7 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion {
             })) => {
                 #[allow(trivial_casts)]
                 if let Some(Node::Item(item)) = get_parent_node(cx.tcx, owner_id.into())
-                    && let Some(trait_ref) = cx.tcx.bound_impl_trait_ref(item.owner_id.to_def_id()).map(|t| t.subst_identity())
+                    && let Some(trait_ref) = cx.tcx.impl_trait_ref(item.owner_id).map(|t| t.subst_identity())
                     && let Some(trait_item_id) = cx.tcx.associated_item(owner_id).trait_item_def_id
                 {
                     (

clippy_lints/src/use_self.rs

@@ -133,7 +133,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf {
                 ref mut types_to_skip,
                 ..
             }) = self.stack.last_mut();
-            if let Some(impl_trait_ref) = cx.tcx.bound_impl_trait_ref(impl_id.to_def_id());
+            if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(impl_id);
             then {
                 // `self_ty` is the semantic self type of `impl <trait> for <type>`. This cannot be
                 // `Self`.