1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/empty/empty-struct-tuple-pat.rs b/tests/ui/empty/empty-struct-tuple-pat.rs
new file mode 100644
index 00000000000..47da8a306a4
--- /dev/null
+++ b/tests/ui/empty/empty-struct-tuple-pat.rs
@@ -0,0 +1,37 @@
+// Can't use unit struct as enum pattern
+
+// aux-build:empty-struct.rs
+
+extern crate empty_struct;
+use empty_struct::*;
+
+struct Empty2();
+
+enum E {
+    Empty4()
+}
+
+// remove attribute after warning cycle and promoting warnings to errors
+fn main() {
+    let e2 = Empty2();
+    let e4 = E::Empty4();
+    let xe6 = XEmpty6();
+    let xe5 = XE::XEmpty5();
+
+    match e2 {
+        Empty2 => () //~ ERROR match bindings cannot shadow tuple structs
+    }
+    match xe6 {
+        XEmpty6 => () //~ ERROR match bindings cannot shadow tuple structs
+    }
+
+    match e4 {
+        E::Empty4 => ()
+        //~^ ERROR expected unit struct, unit variant or constant, found tuple variant `E::Empty4`
+    }
+    match xe5 {
+        XE::XEmpty5 => (),
+        //~^ ERROR expected unit struct, unit variant or constant, found tuple variant `XE::XEmpty5`
+        _ => {},
+    }
+}