Use elaborated item bounds for alias types

2023-02-08 02:46:22 +00:00
parent 8dadd54f52
commit 8c67ecd124
2 changed files with 13 additions and 4 deletions
--- a/compiler/rustc_trait_selection/src/solve/assembly.rs
+++ b/compiler/rustc_trait_selection/src/solve/assembly.rs
@@ -399,10 +399,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> {
            ty::Alias(_, alias_ty) => alias_ty,
        };

-        for (assumption, _) in self
-            .tcx()
-            .bound_explicit_item_bounds(alias_ty.def_id)
-            .subst_iter_copied(self.tcx(), alias_ty.substs)
+        for assumption in self.tcx().item_bounds(alias_ty.def_id).subst(self.tcx(), alias_ty.substs)
        {
            match G::consider_assumption(self, goal, assumption) {
                Ok(result) => {