Adapt to latest master changes by using PredicateKind

Author: spastorino

compiler/rustc_infer/src/traits/util.rs

@@ -301,7 +301,7 @@ pub fn transitive_bounds_that_define_assoc_type<'tcx>(
             let super_predicates =
                 tcx.super_predicates_that_define_assoc_type((trait_ref.def_id(), Some(assoc_name)));
             for (super_predicate, _) in super_predicates.predicates {
-                let bound_predicate = super_predicate.bound_atom();
+                let bound_predicate = super_predicate.kind();
                 let subst_predicate = super_predicate
                     .subst_supertrait(tcx, &bound_predicate.rebind(trait_ref.skip_binder()));
                 if let Some(binder) = subst_predicate.to_opt_poly_trait_ref() {

compiler/rustc_middle/src/ty/context.rs

@@ -2078,7 +2078,7 @@ impl<'tcx> TyCtxt<'tcx> {
             let generic_predicates = self.super_predicates_of(trait_did);
 
             for (predicate, _) in generic_predicates.predicates {
-                if let ty::PredicateAtom::Trait(data, _) = predicate.skip_binders() {
+                if let ty::PredicateKind::Trait(data, _) = predicate.kind().skip_binder() {
                     if set.insert(data.def_id()) {
                         stack.push(data.def_id());
                     }

compiler/rustc_typeck/src/collect.rs

@@ -578,7 +578,7 @@ fn type_param_predicates(
         )
         .into_iter()
         .filter(|(predicate, _)| match predicate.kind().skip_binder() {
-            ty::PredicateAtom::Trait(data, _) => data.self_ty().is_param(index),
+            ty::PredicateKind::Trait(data, _) => data.self_ty().is_param(index),
             _ => false,
         }),
     );