move Constness into TraitPredicate

2021-07-22 21:56:07 +08:00
parent 04c9901a08
commit 32390a0df6
49 changed files with 157 additions and 124 deletions
--- a/compiler/rustc_lint/src/unused.rs
+++ b/compiler/rustc_lint/src/unused.rs
@@ -211,7 +211,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
                    let mut has_emitted = false;
                    for &(predicate, _) in cx.tcx.explicit_item_bounds(def) {
                        // We only look at the `DefId`, so it is safe to skip the binder here.
-                        if let ty::PredicateKind::Trait(ref poly_trait_predicate, _) =
+                        if let ty::PredicateKind::Trait(ref poly_trait_predicate) =
                            predicate.kind().skip_binder()
                        {
                            let def_id = poly_trait_predicate.trait_ref.def_id;