1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/compile-fail/mutable-struct.rs b/src/test/compile-fail/mutable-struct.rs
new file mode 100644
index 00000000000..ee040506c40
--- /dev/null
+++ b/src/test/compile-fail/mutable-struct.rs
@@ -0,0 +1,19 @@
+// Copyright 2013 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.
+
+#[mutable]
+struct Foo { a: int }
+
+fn bar<T: Const>(_: T) {}
+
+fn main() {
+    let x = Foo { a: 5 };
+    bar(x); //~ ERROR instantiating a type parameter with an incompatible type `Foo`, which does not fulfill `Const`
+}