Test for cross-crate const in match pattern.

src/test/run-pass/cross-crate-const-pat.rs

@@ -0,0 +1,22 @@
+// 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.
+
+// xfail-fast
+// aux-build:cci_const.rs
+
+extern mod cci_const;
+
+fn main() {
+    let x = cci_const::uint_val;
+    match x {
+        cci_const::uint_val => {}
+        _ => {}
+    }
+}