CHANGES and tests for with Definition @{univs}

2 files changed, 17 insertions, 0 deletions

diff --git a/CHANGES b/CHANGES
index 466b4cde51..ab6aab0eef 100644
--- a/CHANGES
+++ b/CHANGES
@@ -86,6 +86,8 @@ Universes
   more information.
 - Fix #5726: Notations that start with `Type` now support universe instances
   with `@{u}`.
+- `with Definition` now understands universe declarations
+  (like `@{u| Set < u}`).
 
 Checker
 
diff --git a/test-suite/modules/WithDefUBinders.v b/test-suite/modules/WithDefUBinders.v
new file mode 100644
index 0000000000..e683455162
--- /dev/null
+++ b/test-suite/modules/WithDefUBinders.v
@@ -0,0 +1,15 @@
+
+Set Universe Polymorphism.
+Module Type T.
+  Axiom foo@{u v|u < v} : Type@{v}.
+End T.
+
+Module M : T with Definition foo@{u v} := Type@{u} : Type@{v}.
+  Definition foo@{u v} := Type@{u} : Type@{v}.
+End M.
+
+Fail Module M' : T with Definition foo := Type.
+
+(* Without the binder expression we have to do trickery to get the
+   universes in the right order. *)
+Module M' : T with Definition foo := let t := Type in t.