X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_trait_selection%2Fsrc%2Ftraits%2Fwf.rs;h=74c4ae8854c34e4d9fb628808f5523a4f4707c65;hb=8ed0384ca4651e914793dd8a05c9cdec9b2089b4;hp=ab678e4d98f81bec6ba72efd4918826eb37accb7;hpb=7f3af726065d9eaabf93d87f22d97f60cca7a5f1;p=rust.git

diff --git a/compiler/rustc_trait_selection/src/traits/wf.rs b/compiler/rustc_trait_selection/src/traits/wf.rs
index ab678e4d98f..74c4ae8854c 100644
--- a/compiler/rustc_trait_selection/src/traits/wf.rs
+++ b/compiler/rustc_trait_selection/src/traits/wf.rs
@@ -234,9 +234,9 @@ fn extend_cause_with_original_assoc_item_obligation<'tcx>(
             // projection coming from another associated type. See
             // `src/test/ui/associated-types/point-at-type-on-obligation-failure.rs` and
             // `traits-assoc-type-in-supertrait-bad.rs`.
-            if let Some(ty::Projection(projection_ty)) = proj.term.ty().map(|ty| ty.kind())
+            if let Some(ty::Alias(ty::Projection, projection_ty)) = proj.term.ty().map(|ty| ty.kind())
                 && let Some(&impl_item_id) =
-                    tcx.impl_item_implementor_ids(impl_def_id).get(&projection_ty.item_def_id)
+                    tcx.impl_item_implementor_ids(impl_def_id).get(&projection_ty.def_id)
                 && let Some(impl_item_span) = items
                     .iter()
                     .find(|item| item.id.owner_id.to_def_id() == impl_item_id)
@@ -249,9 +249,9 @@ fn extend_cause_with_original_assoc_item_obligation<'tcx>(
             // An associated item obligation born out of the `trait` failed to be met. An example
             // can be seen in `ui/associated-types/point-at-type-on-obligation-failure-2.rs`.
             debug!("extended_cause_with_original_assoc_item_obligation trait proj {:?}", pred);
-            if let ty::Projection(ty::ProjectionTy { item_def_id, .. }) = *pred.self_ty().kind()
+            if let ty::Alias(ty::Projection, ty::AliasTy { def_id, .. }) = *pred.self_ty().kind()
                 && let Some(&impl_item_id) =
-                    tcx.impl_item_implementor_ids(impl_def_id).get(&item_def_id)
+                    tcx.impl_item_implementor_ids(impl_def_id).get(&def_id)
                 && let Some(impl_item_span) = items
                     .iter()
                     .find(|item| item.id.owner_id.to_def_id() == impl_item_id)
@@ -369,7 +369,7 @@ fn compute_trait_pred(&mut self, trait_pred: &ty::TraitPredicate<'tcx>, elaborat
 
     /// Pushes the obligations required for `trait_ref::Item` to be WF
     /// into `self.out`.
-    fn compute_projection(&mut self, data: ty::ProjectionTy<'tcx>) {
+    fn compute_projection(&mut self, data: ty::AliasTy<'tcx>) {
         // A projection is well-formed if
         //
         // (a) its predicates hold (*)
@@ -392,7 +392,7 @@ fn compute_projection(&mut self, data: ty::ProjectionTy<'tcx>) {
         //     `i32: Copy`
         // ]
         // Projection types do not require const predicates.
-        let obligations = self.nominal_obligations_without_const(data.item_def_id, data.substs);
+        let obligations = self.nominal_obligations_without_const(data.def_id, data.substs);
         self.out.extend(obligations);
 
         let tcx = self.tcx();
@@ -556,7 +556,7 @@ fn compute(&mut self, arg: GenericArg<'tcx>) {
                     // Simple cases that are WF if their type args are WF.
                 }
 
-                ty::Projection(data) => {
+                ty::Alias(ty::Projection, data) => {
                     walker.skip_current_subtree(); // Subtree handled by compute_projection.
                     self.compute_projection(data);
                 }
@@ -648,7 +648,7 @@ fn compute(&mut self, arg: GenericArg<'tcx>) {
                     // types appearing in the fn signature
                 }
 
-                ty::Opaque(ty::OpaqueTy { def_id, substs }) => {
+                ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs }) => {
                     // All of the requirements on type parameters
                     // have already been checked for `impl Trait` in
                     // return position. We do need to check type-alias-impl-trait though.