Rollup merge of #40588 - topecongiro:add-missing-tests, r=alexcrichton

Add a test for issue 34571

Closes #34571.

src/test/run-pass/issue-34571.rs

@@ -0,0 +1,20 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[repr(u8)]
+enum Foo {
+    Foo(u8),
+}
+
+fn main() {
+    match Foo::Foo(1) {
+        _ => ()
+    }
+}