1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/empty-tag.rs b/tests/ui/structs-enums/empty-tag.rs
new file mode 100644
index 000000000..271ab72c7
--- /dev/null
+++ b/tests/ui/structs-enums/empty-tag.rs
@@ -0,0 +1,22 @@
+// run-pass
+#![allow(unused_braces)]
+#![allow(non_camel_case_types)]
+
+#[derive(Copy, Clone, Debug)]
+enum chan { chan_t, }
+
+impl PartialEq for chan {
+    fn eq(&self, other: &chan) -> bool {
+        ((*self) as usize) == ((*other) as usize)
+    }
+    fn ne(&self, other: &chan) -> bool { !(*self).eq(other) }
+}
+
+fn wrapper3(i: chan) {
+    assert_eq!(i, chan::chan_t);
+}
+
+pub fn main() {
+    let wrapped = {||wrapper3(chan::chan_t)};
+    wrapped();
+}