let bound_predicate = predicate.bound_atom();
match bound_predicate.skip_binder() {
ty::PredicateAtom::Trait(p, _) => {
- if self.is_param_no_infer(p.trait_ref.substs)
- && !only_projections
- && is_new_pred
- {
- self.add_user_pred(computed_preds, predicate);
- }
+ // Add this to `predicates` so that we end up calling `select`
+ // with it. If this predicate ends up being unimplemented,
+ // then `evaluate_predicates` will handle adding it the `ParamEnv`
+ // if possible.
predicates.push_back(bound_predicate.rebind(p));
}
ty::PredicateAtom::Projection(p) => {
--- /dev/null
+// Regression test for issue #80233
+// Tests that we don't ICE when processing auto traits
+
+#![crate_type = "lib"]
+pub trait Trait1 {}
+
+pub trait Trait2 {
+ type Type2;
+}
+
+pub trait Trait3 {
+ type Type3;
+}
+
+impl Trait2 for Struct1 {
+ type Type2 = Struct1;
+}
+
+impl<I: Trait2> Trait2 for Vec<I> {
+ type Type2 = Vec<I::Type2>;
+}
+
+impl<T: Trait1> Trait3 for T {
+ type Type3 = Struct1;
+}
+
+impl<T: Trait3> Trait3 for Vec<T> {
+ type Type3 = Vec<T::Type3>;
+}
+
+pub struct Struct1 {}
+
+// @has issue_80233_normalize_auto_trait/struct.Question.html
+// @has - '//code' 'impl<T> Send for Question<T>'
+pub struct Question<T: Trait1> {
+ pub ins: <<Vec<T> as Trait3>::Type3 as Trait2>::Type2,
+}