diff options
Diffstat (limited to 'src/librustc_trait_selection/traits/select.rs')
| -rw-r--r-- | src/librustc_trait_selection/traits/select.rs | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/librustc_trait_selection/traits/select.rs b/src/librustc_trait_selection/traits/select.rs index b402aba65cd..05402fe3c19 100644 --- a/src/librustc_trait_selection/traits/select.rs +++ b/src/librustc_trait_selection/traits/select.rs @@ -415,13 +415,13 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } match obligation.predicate.kind() { - ty::PredicateKind::Trait(t, _) => { + &ty::PredicateKind::Trait(t, _) => { debug_assert!(!t.has_escaping_bound_vars()); - let obligation = obligation.with(*t); + let obligation = obligation.with(t); self.evaluate_trait_predicate_recursively(previous_stack, obligation) } - ty::PredicateKind::Subtype(p) => { + &ty::PredicateKind::Subtype(p) => { // Does this code ever run? match self.infcx.subtype_predicate(&obligation.cause, obligation.param_env, p) { Some(Ok(InferOk { mut obligations, .. })) => { @@ -463,8 +463,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } } - ty::PredicateKind::Projection(data) => { - let project_obligation = obligation.with(*data); + &ty::PredicateKind::Projection(data) => { + let project_obligation = obligation.with(data); match project::poly_project_and_unify_type(self, &project_obligation) { Ok(Some(mut subobligations)) => { self.add_depth(subobligations.iter_mut(), obligation.recursion_depth); @@ -962,7 +962,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { debug_assert!(!stack.obligation.predicate.has_escaping_bound_vars()); if let Some(c) = - self.check_candidate_cache(stack.obligation.param_env, &cache_fresh_trait_pred) + self.check_candidate_cache(stack.obligation.param_env, cache_fresh_trait_pred) { debug!("CACHE HIT: SELECT({:?})={:?}", cache_fresh_trait_pred, c); return c; @@ -1247,7 +1247,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { fn check_candidate_cache( &mut self, param_env: ty::ParamEnv<'tcx>, - cache_fresh_trait_pred: &ty::PolyTraitPredicate<'tcx>, + cache_fresh_trait_pred: ty::PolyTraitPredicate<'tcx>, ) -> Option<SelectionResult<'tcx, SelectionCandidate<'tcx>>> { let tcx = self.tcx(); let trait_ref = &cache_fresh_trait_pred.skip_binder().trait_ref; |