Use SolverRelating in favor of TypeRelating in the old solver where possible

2024-10-04 13:30:51 -04:00
parent 30a2ecddb4
commit a4cd2202ef
4 changed files with 92 additions and 39 deletions
--- a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs
+++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs
@@ -836,7 +836,7 @@ where
        lhs: T,
        rhs: T,
    ) -> Result<Vec<Goal<I, I::Predicate>>, NoSolution> {
-        self.delegate.relate(param_env, lhs, ty::Variance::Invariant, rhs)
+        Ok(self.delegate.relate(param_env, lhs, ty::Variance::Invariant, rhs)?)
    }

    pub(super) fn instantiate_binder_with_infer<T: TypeFoldable<I> + Copy>(