don't clone types that are copy (clippy::clone_on_copy)

2020-09-10 13:20:33 +02:00 · 2020-09-10 13:20:33 +02:00 · e11c667e4a
commit e11c667e4a
parent e2a511fe20
1 changed files with 1 additions and 1 deletions
--- a/compiler/rustc_infer/src/infer/lub.rs
+++ b/compiler/rustc_infer/src/infer/lub.rs
@ -50,7 +50,7 @@ impl TypeRelation<'tcx> for Lub<'combine, 'infcx, 'tcx> {
            ty::Invariant => self.fields.equate(self.a_is_expected).relate(a, b),
            ty::Covariant => self.relate(a, b),
            // FIXME(#41044) -- not correct, need test
-            ty::Bivariant => Ok(a.clone()),
+            ty::Bivariant => Ok(a),
            ty::Contravariant => self.fields.glb(self.a_is_expected).relate(a, b),
        }
    }