1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/chalkify/super_trait.rs b/src/test/ui/chalkify/super_trait.rs
new file mode 100644
index 000000000..eeff9fd9b
--- /dev/null
+++ b/src/test/ui/chalkify/super_trait.rs
@@ -0,0 +1,19 @@
+// run-pass
+// compile-flags: -Z chalk
+
+trait Foo { }
+trait Bar: Foo { }
+
+impl Foo for i32 { }
+impl Bar for i32 { }
+
+fn only_foo<T: Foo>() { }
+
+fn only_bar<T: Bar>() {
+    // `T` implements `Bar` hence `T` must also implement `Foo`
+    only_foo::<T>()
+}
+
+fn main() {
+    only_bar::<i32>()
+}