2 files changed, 5 insertions, 2 deletions
diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs
index 95f312a31b3..26fc3f20b2c 100644
--- a/compiler/rustc_lint/src/levels.rs
+++ b/compiler/rustc_lint/src/levels.rs
@@ -191,7 +191,7 @@ fn shallow_lint_levels_on(tcx: TyCtxt<'_>, owner: hir::OwnerId) -> ShallowLintLe
                 levels.add_id(hir::CRATE_HIR_ID);
                 levels.visit_mod(mod_, mod_.spans.inner_span, hir::CRATE_HIR_ID)
             }
-            hir::OwnerNode::AssocOpaqueTy(..) => unreachable!(),
+            hir::OwnerNode::Synthetic => unreachable!(),
         },
     }
 
@@ -1078,6 +1078,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> {
                         feature,
                         GateIssue::Language,
                         lint_from_cli,
+                        None,
                     );
                 },
             );
diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs
index 3e10879e241..91f907e4567 100644
--- a/compiler/rustc_lint/src/unused.rs
+++ b/compiler/rustc_lint/src/unused.rs
@@ -295,7 +295,9 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
                 ty::Alias(ty::Opaque | ty::Projection, ty::AliasTy { def_id: def, .. }) => {
                     elaborate(
                         cx.tcx,
-                        cx.tcx.explicit_item_bounds(def).instantiate_identity_iter_copied(),
+                        cx.tcx
+                            .explicit_item_super_predicates(def)
+                            .instantiate_identity_iter_copied(),
                     )
                     // We only care about self bounds for the impl-trait
                     .filter_only_self()