1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/wf-cycle.rs b/src/test/ui/associated-types/wf-cycle.rs
new file mode 100644
index 000000000..cf6508551
--- /dev/null
+++ b/src/test/ui/associated-types/wf-cycle.rs
@@ -0,0 +1,13 @@
+// check-pass
+
+trait A {
+    type U: Copy;
+}
+
+trait B where
+    <Self::V as A>::U: Copy,
+{
+    type V: A;
+}
+
+fn main() {}