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-rw-r--r--tests/ui/traits/reservation-impl/non-lattice-ok.rs6
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/ui/traits/reservation-impl/non-lattice-ok.rs b/tests/ui/traits/reservation-impl/non-lattice-ok.rs
index a71051243..7787904d9 100644
--- a/tests/ui/traits/reservation-impl/non-lattice-ok.rs
+++ b/tests/ui/traits/reservation-impl/non-lattice-ok.rs
@@ -30,6 +30,12 @@
//
// [ii]: https://smallcultfollowing.com/babysteps/blog/2016/09/24/intersection-impls/
+
+// check that reservation impls can't be used as normal impls in positive reasoning.
+
+// revisions: old next
+//[next] compile-flags: -Ztrait-solver=next
+
#![feature(rustc_attrs, never_type)]
trait MyTrait {}