1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/query-visibility.rs b/tests/ui/query-visibility.rs
new file mode 100644
index 000000000..09a289d85
--- /dev/null
+++ b/tests/ui/query-visibility.rs
@@ -0,0 +1,9 @@
+// check-pass
+// Check that it doesn't panic when `Input` gets its visibility checked.
+
+#![crate_type = "lib"]
+
+pub trait Layer<
+    /// Hello.
+    Input,
+> {}