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-rw-r--r--compiler/rustc_trait_selection/src/traits/object_safety.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs
index 08355ef55c4..fc5a2875b67 100644
--- a/compiler/rustc_trait_selection/src/traits/object_safety.rs
+++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs
@@ -194,7 +194,7 @@ fn predicates_reference_self(
     predicates
         .predicates
         .iter()
-        .map(|&(predicate, sp)| (predicate.instantiate_supertrait(tcx, &trait_ref), sp))
+        .map(|&(predicate, sp)| (predicate.instantiate_supertrait(tcx, trait_ref), sp))
         .filter_map(|predicate| predicate_references_self(tcx, predicate))
         .collect()
 }