Check representation of unnamed fields

compiler/rustc_trait_selection/src/traits/select/mod.rs

@@ -2216,11 +2216,9 @@ impl<'tcx> SelectionContext<'_, 'tcx> {
             // if all of its fields are `Copy` and `Clone`
             ty::Adt(adt, args) if adt.is_anonymous() => {
                 // (*) binder moved here
-                Where(
-                    obligation
-                        .predicate
-                        .rebind(adt.non_enum_variant().fields.iter().map(|f| f.ty(self.tcx(), args)).collect()),
-                )
+                Where(obligation.predicate.rebind(
+                    adt.non_enum_variant().fields.iter().map(|f| f.ty(self.tcx(), args)).collect(),
+                ))
             }
 
             ty::Adt(..) | ty::Alias(..) | ty::Param(..) | ty::Placeholder(..) => {