1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/chalkify/lower_trait_where_clause.rs b/tests/ui/chalkify/lower_trait_where_clause.rs
new file mode 100644
index 000000000..a21d2f319
--- /dev/null
+++ b/tests/ui/chalkify/lower_trait_where_clause.rs
@@ -0,0 +1,16 @@
+// check-pass
+// compile-flags: -Z trait-solver=chalk
+
+use std::borrow::Borrow;
+
+trait Foo<'a, 'b, T, U>
+where
+    T: Borrow<U> + ?Sized,
+    U: ?Sized + 'b,
+    'a: 'b,
+    Box<T>:, // NOTE(#53696) this checks an empty list of bounds.
+{
+}
+
+fn main() {
+}