Get associated consts working in match patterns.

src/test/compile-fail/method-resolvable-path-in-pattern.rs

@@ -0,0 +1,26 @@
+// Copyright 2015 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.
+
+use std::marker::MarkerTrait;
+
+struct Foo;
+
+trait MyTrait: MarkerTrait {
+    fn trait_bar() {}
+}
+
+impl MyTrait for Foo {}
+
+fn main() {
+    match 0u32 {
+        <Foo as MyTrait>::trait_bar => {}
+        //~^ ERROR `trait_bar` is not an associated const
+    }
+}