drive-by: use is_const and is_const_if_const

2022-01-26 19:24:01 -08:00
parent 1ab97dbc52
commit c6de4d55aa
7 changed files with 16 additions and 15 deletions
--- a/compiler/rustc_trait_selection/src/traits/select/mod.rs
+++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs
@@ -1173,9 +1173,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
                    ImplCandidate(def_id)
                        if tcx.impl_constness(def_id) == hir::Constness::Const => {}
                    // const param
-                    ParamCandidate(trait_pred)
-                        if trait_pred.skip_binder().constness
-                            == ty::BoundConstness::ConstIfConst => {}
+                    ParamCandidate(trait_pred) if trait_pred.is_const_if_const() => {}
                    // auto trait impl
                    AutoImplCandidate(..) => {}
                    // generator, this will raise error in other places