1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/mir/mir_codegen_switch.rs b/tests/ui/mir/mir_codegen_switch.rs
new file mode 100644
index 00000000000..9c93499d948
--- /dev/null
+++ b/tests/ui/mir/mir_codegen_switch.rs
@@ -0,0 +1,35 @@
+// run-pass
+enum Abc {
+    A(#[allow(unused_tuple_struct_fields)] u8),
+    B(#[allow(unused_tuple_struct_fields)] i8),
+    C,
+    D,
+}
+
+fn foo(x: Abc) -> i32 {
+    match x {
+        Abc::C => 3,
+        Abc::D => 4,
+        Abc::B(_) => 2,
+        Abc::A(_) => 1,
+    }
+}
+
+fn foo2(x: Abc) -> bool {
+    match x {
+        Abc::D => true,
+        _ => false
+    }
+}
+
+fn main() {
+    assert_eq!(1, foo(Abc::A(42)));
+    assert_eq!(2, foo(Abc::B(-100)));
+    assert_eq!(3, foo(Abc::C));
+    assert_eq!(4, foo(Abc::D));
+
+    assert_eq!(false, foo2(Abc::A(1)));
+    assert_eq!(false, foo2(Abc::B(2)));
+    assert_eq!(false, foo2(Abc::C));
+    assert_eq!(true, foo2(Abc::D));
+}