avoid more ty::Binder:dummy

compiler/rustc_trait_selection/src/solve/trait_goals.rs

@@ -857,12 +857,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> {
             ecx.add_goals(
                 constituent_tys(ecx, goal.predicate.self_ty())?
                     .into_iter()
-                    .map(|ty| {
-                        goal.with(
-                            ecx.tcx(),
-                            ty::Binder::dummy(goal.predicate.with_self_ty(ecx.tcx(), ty)),
-                        )
-                    })
+                    .map(|ty| goal.with(ecx.tcx(), goal.predicate.with_self_ty(ecx.tcx(), ty)))
                     .collect::<Vec<_>>(),
             );
             ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)
@@ -905,10 +900,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> {
                 let normalizes_to_goal = Goal::new(
                     ecx.tcx(),
                     param_env,
-                    ty::Binder::dummy(ty::ProjectionPredicate {
-                        projection_ty,
-                        term: normalized_ty.into(),
-                    }),
+                    ty::ProjectionPredicate { projection_ty, term: normalized_ty.into() },
                 );
                 ecx.add_goal(normalizes_to_goal);
                 if let Err(err) = ecx.try_evaluate_added_goals() {