X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_hir_typeck%2Fsrc%2Ffn_ctxt%2Fsuggestions.rs;h=e6e1098e33d74057a0615355aaacc1f7a497c3a8;hb=6cd8d1d4e386482941b63b5ec85465c4d2af8e57;hp=4f92477b5d87ef221239c71054742025efb7bf32;hpb=be3ad5d6b0d3292d53599b3325cb9e6bdf656749;p=rust.git

diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs
index 4f92477b5d8..e6e1098e33d 100644
--- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs
+++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs
@@ -174,10 +174,10 @@ pub(in super::super) fn extract_callable_info(
                     let fn_sig = substs.as_closure().sig();
                     Some((DefIdOrName::DefId(def_id), fn_sig.output(), fn_sig.inputs().map_bound(|inputs| &inputs[1..])))
                 }
-                ty::Opaque(def_id, substs) => {
+                ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs }) => {
                     self.tcx.bound_item_bounds(def_id).subst(self.tcx, substs).iter().find_map(|pred| {
                         if let ty::PredicateKind::Clause(ty::Clause::Projection(proj)) = pred.kind().skip_binder()
-                        && Some(proj.projection_ty.item_def_id) == self.tcx.lang_items().fn_once_output()
+                        && Some(proj.projection_ty.def_id) == self.tcx.lang_items().fn_once_output()
                         // args tuple will always be substs[1]
                         && let ty::Tuple(args) = proj.projection_ty.substs.type_at(1).kind()
                         {
@@ -194,7 +194,7 @@ pub(in super::super) fn extract_callable_info(
                 ty::Dynamic(data, _, ty::Dyn) => {
                     data.iter().find_map(|pred| {
                         if let ty::ExistentialPredicate::Projection(proj) = pred.skip_binder()
-                        && Some(proj.item_def_id) == self.tcx.lang_items().fn_once_output()
+                        && Some(proj.def_id) == self.tcx.lang_items().fn_once_output()
                         // for existential projection, substs are shifted over by 1
                         && let ty::Tuple(args) = proj.substs.type_at(0).kind()
                         {
@@ -212,7 +212,7 @@ pub(in super::super) fn extract_callable_info(
                     let def_id = self.tcx.generics_of(self.body_id.owner).type_param(&param, self.tcx).def_id;
                     self.tcx.predicates_of(self.body_id.owner).predicates.iter().find_map(|(pred, _)| {
                         if let ty::PredicateKind::Clause(ty::Clause::Projection(proj)) = pred.kind().skip_binder()
-                        && Some(proj.projection_ty.item_def_id) == self.tcx.lang_items().fn_once_output()
+                        && Some(proj.projection_ty.def_id) == self.tcx.lang_items().fn_once_output()
                         && proj.projection_ty.self_ty() == found
                         // args tuple will always be substs[1]
                         && let ty::Tuple(args) = proj.projection_ty.substs.type_at(1).kind()