Replace `tcx.mk_trait_ref` with `ty::TraitRef::new`

2 files changed, 11 insertions, 6 deletions

diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs
index c1ea0a0d95e..c9c1f0aeaac 100644
--- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs
+++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs
@@ -261,11 +261,16 @@ impl<'tcx> NiceRegionError<'_, 'tcx> {
                 (false, None, None, Some(span), String::new())
             };
 
-        let expected_trait_ref = self
-            .cx
-            .resolve_vars_if_possible(self.cx.tcx.mk_trait_ref(trait_def_id, expected_substs));
-        let actual_trait_ref =
-            self.cx.resolve_vars_if_possible(self.cx.tcx.mk_trait_ref(trait_def_id, actual_substs));
+        let expected_trait_ref = self.cx.resolve_vars_if_possible(ty::TraitRef::new(
+            self.cx.tcx,
+            trait_def_id,
+            expected_substs,
+        ));
+        let actual_trait_ref = self.cx.resolve_vars_if_possible(ty::TraitRef::new(
+            self.cx.tcx,
+            trait_def_id,
+            actual_substs,
+        ));
 
         // Search the expected and actual trait references to see (a)
         // whether the sub/sup placeholders appear in them (sometimes
diff --git a/compiler/rustc_infer/src/traits/engine.rs b/compiler/rustc_infer/src/traits/engine.rs
index b8940e2f045..11f43469400 100644
--- a/compiler/rustc_infer/src/traits/engine.rs
+++ b/compiler/rustc_infer/src/traits/engine.rs
@@ -18,7 +18,7 @@ pub trait TraitEngine<'tcx>: 'tcx {
         def_id: DefId,
         cause: ObligationCause<'tcx>,
     ) {
-        let trait_ref = infcx.tcx.mk_trait_ref(def_id, [ty]);
+        let trait_ref = ty::TraitRef::new(infcx.tcx, def_id, [ty]);
         self.register_predicate_obligation(
             infcx,
             Obligation {