Add new test for object method numbering mismatches.

Author: nikomatsakis

src/test/run-pass/object-method-numbering.rs

@@ -0,0 +1,36 @@
+// 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.
+
+// Test for using an object with an associated type binding as the
+// instantiation for a generic type with a bound.
+
+trait SomeTrait {
+    type SomeType;
+
+    fn get(&self) -> Self::SomeType;
+}
+
+fn get_int<T:SomeTrait<SomeType=i32>+?Sized>(x: &T) -> i32 {
+    x.get()
+}
+
+impl SomeTrait for i32 {
+    type SomeType = i32;
+    fn get(&self) -> i32 {
+        *self
+    }
+}
+
+fn main() {
+    let x = 22_i32;
+    let x1: &SomeTrait<SomeType=i32> = &x;
+    let y = get_int(x1);
+    assert_eq!(x, y);
+}