Combine identical alias arms

1 files changed, 1 insertions, 5 deletions

diff --git a/compiler/rustc_hir_analysis/src/variance/constraints.rs b/compiler/rustc_hir_analysis/src/variance/constraints.rs
index 75bb7abf0ed..5e4d82b6fd5 100644
--- a/compiler/rustc_hir_analysis/src/variance/constraints.rs
+++ b/compiler/rustc_hir_analysis/src/variance/constraints.rs
@@ -249,14 +249,10 @@ impl<'a, 'tcx> ConstraintContext<'a, 'tcx> {
                 self.add_constraints_from_substs(current, def.did(), substs, variance);
             }
 
-            ty::Alias(ty::Projection, ref data) => {
+            ty::Alias(_, ref data) => {
                 self.add_constraints_from_invariant_substs(current, data.substs, variance);
             }
 
-            ty::Alias(ty::Opaque, ty::AliasTy { def_id: _, substs }) => {
-                self.add_constraints_from_invariant_substs(current, substs, variance);
-            }
-
             ty::Dynamic(data, r, _) => {
                 // The type `Foo<T+'a>` is contravariant w/r/t `'a`:
                 let contra = self.contravariant(variance);